Malware Analysis Report

2024-12-07 14:24

Sample ID 241117-lycwvsxenm
Target Slf.msi
SHA256 e483ca3bc78e49f0ceef3406ea963101fe1d2b08b4bace6945ac9298222b8c37
Tags
hijackloader remcos v2 discovery loader persistence privilege_escalation rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e483ca3bc78e49f0ceef3406ea963101fe1d2b08b4bace6945ac9298222b8c37

Threat Level: Known bad

The file Slf.msi was found to be: Known bad.

Malicious Activity Summary

hijackloader remcos v2 discovery loader persistence privilege_escalation rat

Detects HijackLoader (aka IDAT Loader)

Hijackloader family

Remcos family

Remcos

HijackLoader

Enumerates connected drives

Suspicious use of SetThreadContext

Executes dropped EXE

Loads dropped DLL

Drops file in Windows directory

Enumerates physical storage devices

Event Triggered Execution: Installer Packages

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 09:56

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 09:56

Reported

2024-11-17 09:58

Platform

win7-20241023-en

Max time kernel

149s

Max time network

136s

Command Line

msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Slf.msi

Signatures

Detects HijackLoader (aka IDAT Loader)

Description Indicator Process Target
N/A N/A N/A N/A

HijackLoader

loader hijackloader

Hijackloader family

hijackloader

Remcos

rat remcos

Remcos family

remcos

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\I: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\O: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\A: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\G: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\B: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\R: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\U: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\X: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\P: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\S: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\B: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\J: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\J: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\K: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\R: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\H: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\G: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\N: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\E: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\H: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\O: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\X: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\A: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Y: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\I: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\M: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\P: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\V: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\W: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Z: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\W: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\T: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Z: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\L: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Q: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\M: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\L: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Q: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\U: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\V: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\K: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\N: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\S: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\E: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Y: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\T: C:\Windows\system32\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2828 set thread context of 2996 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 2996 set thread context of 1348 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Installer\f76c458.msi C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\MSIC5D0.tmp C:\Windows\system32\msiexec.exe N/A
File created C:\Windows\Installer\f76c45b.ipi C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\ C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\MSIC9F6.tmp C:\Windows\system32\msiexec.exe N/A
File created C:\Windows\Installer\f76c458.msi C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\MSIC4B6.tmp C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\MSIC64D.tmp C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\f76c45b.ipi C:\Windows\system32\msiexec.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe N/A

Enumerates physical storage devices

Event Triggered Execution: Installer Packages

persistence privilege_escalation
Description Indicator Process Target
N/A N/A C:\Windows\system32\msiexec.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\MsiExec.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\msiexec.exe N/A
N/A N/A C:\Windows\system32\msiexec.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeCreatePermanentPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSyncAgentPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeEnableDelegationPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\system32\msiexec.exe N/A
N/A N/A C:\Windows\system32\msiexec.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2340 wrote to memory of 2308 N/A C:\Windows\system32\msiexec.exe C:\Windows\syswow64\MsiExec.exe
PID 2340 wrote to memory of 2308 N/A C:\Windows\system32\msiexec.exe C:\Windows\syswow64\MsiExec.exe
PID 2340 wrote to memory of 2308 N/A C:\Windows\system32\msiexec.exe C:\Windows\syswow64\MsiExec.exe
PID 2340 wrote to memory of 2308 N/A C:\Windows\system32\msiexec.exe C:\Windows\syswow64\MsiExec.exe
PID 2340 wrote to memory of 2308 N/A C:\Windows\system32\msiexec.exe C:\Windows\syswow64\MsiExec.exe
PID 2340 wrote to memory of 2308 N/A C:\Windows\system32\msiexec.exe C:\Windows\syswow64\MsiExec.exe
PID 2340 wrote to memory of 2308 N/A C:\Windows\system32\msiexec.exe C:\Windows\syswow64\MsiExec.exe
PID 2340 wrote to memory of 2828 N/A C:\Windows\system32\msiexec.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2340 wrote to memory of 2828 N/A C:\Windows\system32\msiexec.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2340 wrote to memory of 2828 N/A C:\Windows\system32\msiexec.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2340 wrote to memory of 2828 N/A C:\Windows\system32\msiexec.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2828 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 2828 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 2828 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 2828 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 2828 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 2996 wrote to memory of 1348 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2996 wrote to memory of 1348 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2996 wrote to memory of 1348 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2996 wrote to memory of 1348 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2996 wrote to memory of 1348 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2996 wrote to memory of 1348 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

Processes

C:\Windows\system32\msiexec.exe

msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Slf.msi

C:\Windows\system32\msiexec.exe

C:\Windows\system32\msiexec.exe /V

C:\Windows\syswow64\MsiExec.exe

C:\Windows\syswow64\MsiExec.exe -Embedding 24DFB7C4038E275296F5712499D0D98A

C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

"C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\cmd.exe

C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

Network

Country Destination Domain Proto
NL 185.157.162.126:1995 tcp

Files

C:\Users\Admin\AppData\Local\Temp\MSI6c301.LOG

MD5 58c0b5668b50794829d8023a35399a91
SHA1 1f0c69c7d48bd602981100ff5987d359e7d2dc35
SHA256 4a329ed16d3b469ca3ccd3493add6d142b256ae9eccc7605c32f25db5deaf346
SHA512 e938d9ecd027920a4481eca6476af442a5988045ab51b812f868173f8f123b3e7401f1728b81c80676912cc8f6e29d5b97e035b026e34ec66c8108ffa9e421e0

C:\Windows\Installer\MSIC4B6.tmp

MD5 2c9c51ac508570303c6d46c0571ea3a1
SHA1 e3e0fe08fa11a43c8bca533f212bdf0704c726d5
SHA256 ff86c76a8d5846b3a1ad58ff2fd8e5a06a84eb5899cdee98e59c548d33335550
SHA512 df5f1def5aac44f39a2dfde9c6c73f15f83a7374b4ad42b67e425ccb7ac99a64c5701b676ae46d2f7167a04a955158031a839e7878d100aaf8fab0ce2059f127

C:\Config.Msi\f76c45c.rbs

MD5 fcd27bd669000d7e5f4bd119ebe07ef5
SHA1 5fc9d707df798f405eeb740cb06cff55ff9c5258
SHA256 5cf9c644b3e87f9674cc9bafaa97abbf1bfc1c28ba1c37667a3d6d009bae66af
SHA512 91afb590c5ae496af45d992f824f2106cde37ab2ab87e73cb4291a93162c4db28a324bc78900639601f5f3a3ce7eca14e2972a3998ef0f6248f75b528a15a1f9

C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

MD5 9329ba45c8b97485926a171e34c2abb8
SHA1 20118bc0432b4e8b3660a4b038b20ca28f721e5c
SHA256 effa6fcb8759375b4089ccf61202a5c63243f4102872e64e3eb0a1bdc2727659
SHA512 0af06b5495142ba0632a46be0778a7bd3d507e9848b3159436aa504536919abbcacd8b740ef4b591296e86604b49e0642fee2c273a45e44b41a80f91a1d52acc

C:\Users\Admin\AppData\Local\Temp\http_dll.dll

MD5 4366cd6c5d795811822b9ccc3df3eab4
SHA1 30f6050729b4c08b7657454cb79dd5a3d463c606
SHA256 55497a3eced5d8d190400bcd1a4b43a304ebf74a0d6d098665474ed4b1b0e9da
SHA512 4a56a2da7ded16125c2795d5760c7c08a93362536c9212cff3a31dbf6613cb3fca436efd77c256338f5134da955bc7ccc564b4af0c45ac0dfd645460b922a349

C:\Users\Admin\AppData\Local\Temp\MFC80U.DLL

MD5 686b224b4987c22b153fbb545fee9657
SHA1 684ee9f018fbb0bbf6ffa590f3782ba49d5d096c
SHA256 a2ac851f35066c2f13a7452b7a9a3fee05bfb42907ae77a6b85b212a2227fc36
SHA512 44d65db91ceea351d2b6217eaa27358dbc2ed27c9a83d226b59aecb336a9252b60aec5ce5e646706a2af5631d5ee0f721231ec751e97e47bbbc32d5f40908875

C:\Users\Admin\AppData\Local\Temp\audiogram.tif

MD5 5124236fd955464317fbb1f344a1d2f2
SHA1 fe3a91e252f1dc3c3b4980ade7157369ea6f5097
SHA256 ed1389002cdf96c9b54de35b6e972166ee3296d628943fd594a383e674c5cba6
SHA512 2b2ac23244b16f936ef9a4049586f58c809fcc4391a56390cc5db2e8d96140001e0b977680ed1d8b0ab9c410e865a880209e22add8d42e563dc40bc91236b252

memory/2828-47-0x0000000075240000-0x00000000753B4000-memory.dmp

memory/2828-48-0x0000000075240000-0x00000000753B4000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\a90a78fe

MD5 a42695c3035b6d968018fd5171163327
SHA1 ccb09a3f89fc80f798b072c1a34085ad11a94291
SHA256 fba1091052bb37163d16809b0aefcb304a82dd9cb7698f81017c5f2af4a93d5f
SHA512 4338ce277f8540b28c5c0c6258ac7f6a9ea88b0c00203c2914b397d6e9208f0114cde8f9ceb7f368fff13804e426b892412e8e1ec4c94cf3c369f93e087fd39f

memory/2996-51-0x0000000077A00000-0x0000000077BA9000-memory.dmp

memory/2996-98-0x0000000075240000-0x00000000753B4000-memory.dmp

memory/1348-102-0x0000000072F80000-0x0000000073FE2000-memory.dmp

memory/1348-104-0x0000000077A00000-0x0000000077BA9000-memory.dmp

memory/1348-105-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-109-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-110-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-112-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-113-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-114-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-115-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-116-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-117-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-118-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-119-0x00000000001C0000-0x0000000000244000-memory.dmp

memory/1348-120-0x00000000001C0000-0x0000000000244000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 09:56

Reported

2024-11-17 09:58

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

155s

Command Line

msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Slf.msi

Signatures

Detects HijackLoader (aka IDAT Loader)

Description Indicator Process Target
N/A N/A N/A N/A

HijackLoader

loader hijackloader

Hijackloader family

hijackloader

Remcos

rat remcos

Remcos family

remcos

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\H: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\P: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Q: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\W: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Z: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\G: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\J: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\O: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Z: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\M: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\T: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\U: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\V: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\X: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\V: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\A: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\G: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\B: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\H: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\K: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\L: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\S: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\O: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\E: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\J: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\L: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\M: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Y: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\X: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Y: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\B: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\A: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\P: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\Q: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\T: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\U: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\I: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\N: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\S: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\K: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\R: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\I: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\N: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\R: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\W: C:\Windows\system32\msiexec.exe N/A
File opened (read-only) \??\E: C:\Windows\system32\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5084 set thread context of 4400 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 4400 set thread context of 1852 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Installer\e579308.msi C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\MSI9376.tmp C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\MSI981D.tmp C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\e579308.msi C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\MSI956B.tmp C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\MSI9627.tmp C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\MSI9667.tmp C:\Windows\system32\msiexec.exe N/A
File opened for modification C:\Windows\Installer\ C:\Windows\system32\msiexec.exe N/A
File created C:\Windows\Installer\inprogressinstallinfo.ipi C:\Windows\system32\msiexec.exe N/A
File created C:\Windows\Installer\SourceHash{BB2F3E18-3F04-450F-B8B5-60A9665181A8} C:\Windows\system32\msiexec.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe N/A

Enumerates physical storage devices

Event Triggered Execution: Installer Packages

persistence privilege_escalation
Description Indicator Process Target
N/A N/A C:\Windows\system32\msiexec.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\MsiExec.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\msiexec.exe N/A
N/A N/A C:\Windows\system32\msiexec.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeCreatePermanentPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSyncAgentPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeEnableDelegationPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\system32\msiexec.exe N/A
N/A N/A C:\Windows\system32\msiexec.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2788 wrote to memory of 4216 N/A C:\Windows\system32\msiexec.exe C:\Windows\syswow64\MsiExec.exe
PID 2788 wrote to memory of 4216 N/A C:\Windows\system32\msiexec.exe C:\Windows\syswow64\MsiExec.exe
PID 2788 wrote to memory of 4216 N/A C:\Windows\system32\msiexec.exe C:\Windows\syswow64\MsiExec.exe
PID 2788 wrote to memory of 5084 N/A C:\Windows\system32\msiexec.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2788 wrote to memory of 5084 N/A C:\Windows\system32\msiexec.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 2788 wrote to memory of 5084 N/A C:\Windows\system32\msiexec.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 5084 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 5084 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 5084 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 5084 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe C:\Windows\SysWOW64\cmd.exe
PID 4400 wrote to memory of 1852 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 4400 wrote to memory of 1852 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 4400 wrote to memory of 1852 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 4400 wrote to memory of 1852 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe
PID 4400 wrote to memory of 1852 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

Processes

C:\Windows\system32\msiexec.exe

msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Slf.msi

C:\Windows\system32\msiexec.exe

C:\Windows\system32\msiexec.exe /V

C:\Windows\syswow64\MsiExec.exe

C:\Windows\syswow64\MsiExec.exe -Embedding 54619C228F5CC4784F889B61E4F7A0C0

C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

"C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\cmd.exe

C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 185.157.162.126:1995 tcp
US 8.8.8.8:53 126.162.157.185.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 9.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\MSI78ec3.LOG

MD5 1744f1257fabf550f91c671e78a80622
SHA1 223b94f69b6e0b2f4d119b35d1007a214373d0d6
SHA256 79c91348d78426ddd7599842f7fbc11e23b64f98bec29979bd296a69d7be207d
SHA512 bc85539b36501e104a6164713aaaf955baeffecfadc5969a9aca1493323e37f318a8ef33446e0502d06dc1862c4dde2d714ef11a123f2c77c409f02edf1d26f2

C:\Windows\Installer\MSI9376.tmp

MD5 2c9c51ac508570303c6d46c0571ea3a1
SHA1 e3e0fe08fa11a43c8bca533f212bdf0704c726d5
SHA256 ff86c76a8d5846b3a1ad58ff2fd8e5a06a84eb5899cdee98e59c548d33335550
SHA512 df5f1def5aac44f39a2dfde9c6c73f15f83a7374b4ad42b67e425ccb7ac99a64c5701b676ae46d2f7167a04a955158031a839e7878d100aaf8fab0ce2059f127

C:\Config.Msi\e57930b.rbs

MD5 b0ab1f982dea9c56d2b6ad2fe0455a3e
SHA1 b1fa0082ce85f33680ecfbb18072bc4d06458378
SHA256 84b89df9d7388d23e47aa29e91edce9dc69bde13db1db32bbd36114cbc434607
SHA512 80c4f1e91c58885b545e2df9e9e215143316d1987d0f4e4b502c63d7a3fe16fbfd74bc545040bb8472896c797dd638d88559af2c3b4e01947566ef0cfee81643

C:\Users\Admin\AppData\Local\Temp\EHttpSrv.exe

MD5 9329ba45c8b97485926a171e34c2abb8
SHA1 20118bc0432b4e8b3660a4b038b20ca28f721e5c
SHA256 effa6fcb8759375b4089ccf61202a5c63243f4102872e64e3eb0a1bdc2727659
SHA512 0af06b5495142ba0632a46be0778a7bd3d507e9848b3159436aa504536919abbcacd8b740ef4b591296e86604b49e0642fee2c273a45e44b41a80f91a1d52acc

C:\Users\Admin\AppData\Local\Temp\http_dll.dll

MD5 4366cd6c5d795811822b9ccc3df3eab4
SHA1 30f6050729b4c08b7657454cb79dd5a3d463c606
SHA256 55497a3eced5d8d190400bcd1a4b43a304ebf74a0d6d098665474ed4b1b0e9da
SHA512 4a56a2da7ded16125c2795d5760c7c08a93362536c9212cff3a31dbf6613cb3fca436efd77c256338f5134da955bc7ccc564b4af0c45ac0dfd645460b922a349

C:\Users\Admin\AppData\Local\Temp\MFC80U.DLL

MD5 686b224b4987c22b153fbb545fee9657
SHA1 684ee9f018fbb0bbf6ffa590f3782ba49d5d096c
SHA256 a2ac851f35066c2f13a7452b7a9a3fee05bfb42907ae77a6b85b212a2227fc36
SHA512 44d65db91ceea351d2b6217eaa27358dbc2ed27c9a83d226b59aecb336a9252b60aec5ce5e646706a2af5631d5ee0f721231ec751e97e47bbbc32d5f40908875

C:\Users\Admin\AppData\Local\Temp\audiogram.tif

MD5 5124236fd955464317fbb1f344a1d2f2
SHA1 fe3a91e252f1dc3c3b4980ade7157369ea6f5097
SHA256 ed1389002cdf96c9b54de35b6e972166ee3296d628943fd594a383e674c5cba6
SHA512 2b2ac23244b16f936ef9a4049586f58c809fcc4391a56390cc5db2e8d96140001e0b977680ed1d8b0ab9c410e865a880209e22add8d42e563dc40bc91236b252

memory/5084-45-0x0000000074720000-0x000000007489B000-memory.dmp

memory/5084-51-0x0000000074720000-0x000000007489B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\1d9a37d5

MD5 94928a9d5b29b29a46f940040ceb974d
SHA1 6268587b81138242cf70f5e69f48fef1687243bc
SHA256 74ea278b06c5720f699fbe76527620f783f2695429ae3c3aca9cec55e0c533a2
SHA512 629155878eba536ff1250ef3e28d38cd189b865c2f8c61f9a39bc798595b1d29bdf1885b55bf4559c8f31f2870960d7c5bee0c9984d6bf2ba0ecd4ce6f6739c6

memory/4400-54-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4400-56-0x0000000074720000-0x000000007489B000-memory.dmp

memory/1852-58-0x00000000732E0000-0x0000000074534000-memory.dmp

memory/1852-60-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/1852-61-0x0000000000410000-0x0000000000494000-memory.dmp

memory/1852-64-0x0000000000410000-0x0000000000494000-memory.dmp

memory/1852-65-0x0000000000410000-0x0000000000494000-memory.dmp

memory/1852-67-0x0000000000410000-0x0000000000494000-memory.dmp

memory/1852-68-0x0000000000410000-0x0000000000494000-memory.dmp

memory/1852-69-0x0000000000410000-0x0000000000494000-memory.dmp

memory/1852-70-0x0000000000410000-0x0000000000494000-memory.dmp

memory/1852-71-0x0000000000410000-0x0000000000494000-memory.dmp

memory/1852-72-0x0000000000410000-0x0000000000494000-memory.dmp

memory/1852-73-0x0000000000410000-0x0000000000494000-memory.dmp