f4fa70d77ab278eb01159e39eb1da4c0e231a958c15e13ee5ff695e1a4bf9e0a

Analysis

max time kernel
508s
max time network
400s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2023, 05:24

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General

Target

RECIB_VNT-895.msi
Size

3.2MB
MD5

815cba7b075fee8259e422b541dfe370
SHA1

c1b6d78ca160e849524e2f94727f695dbe3630e1
SHA256

f0f4b15613e70b2a0f8e754647f67cd38b9f3e1c49a1fc98af69d016b56ece48
SHA512

ae56fc184fb31ac1b3821bf37da12cf8dc38e1ba909ba7fe503a06c99d55f24f5ca5cd380af163a2de8a1cb7f235c429700647a4651157cd74d342295387d13e
SSDEEP

49152:7zfauo8Jc1dkX3rqlu01QZN5viOfL5yPFpeHAkdQVgQnJiG2TT2e/g7jizoL5lai:etrAOP1WDjFyPzvkd6n1QTn/M0

Score

7^/10

upx

Malware Config

Signatures

Loads dropped DLL 5 IoCs

pid	Process
4764	MsiExec.exe
4764	MsiExec.exe
4764	MsiExec.exe
4764	MsiExec.exe
3752	MsiExec.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0006000000023177-157.dat	upx
behavioral2/files/0x0006000000023177-158.dat	upx
behavioral2/memory/3752-159-0x0000000062FA0000-0x0000000063925000-memory.dmp	upx

Enumerates connected drives 3 TTPs 48 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)	\??\M:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSI6C7B.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI6D18.tmp	msiexec.exe
File created	C:\Windows\Installer\SourceHash{YCF1EX0S-3F2H-VKN3-Z986-CXI4KA9WTJVC}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI6E53.tmp	msiexec.exe
File created	C:\Windows\Installer\e56695d.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e56695d.msi	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\MSI6A28.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI6D68.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI6EC1.tmp	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1528	msiexec.exe
1528	msiexec.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4616	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4616	msiexec.exe
Token: SeSecurityPrivilege	1528	msiexec.exe
Token: SeCreateTokenPrivilege	4616	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4616	msiexec.exe
Token: SeLockMemoryPrivilege	4616	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4616	msiexec.exe
Token: SeMachineAccountPrivilege	4616	msiexec.exe
Token: SeTcbPrivilege	4616	msiexec.exe
Token: SeSecurityPrivilege	4616	msiexec.exe
Token: SeTakeOwnershipPrivilege	4616	msiexec.exe
Token: SeLoadDriverPrivilege	4616	msiexec.exe
Token: SeSystemProfilePrivilege	4616	msiexec.exe
Token: SeSystemtimePrivilege	4616	msiexec.exe
Token: SeProfSingleProcessPrivilege	4616	msiexec.exe
Token: SeIncBasePriorityPrivilege	4616	msiexec.exe
Token: SeCreatePagefilePrivilege	4616	msiexec.exe
Token: SeCreatePermanentPrivilege	4616	msiexec.exe
Token: SeBackupPrivilege	4616	msiexec.exe
Token: SeRestorePrivilege	4616	msiexec.exe
Token: SeShutdownPrivilege	4616	msiexec.exe
Token: SeDebugPrivilege	4616	msiexec.exe
Token: SeAuditPrivilege	4616	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4616	msiexec.exe
Token: SeChangeNotifyPrivilege	4616	msiexec.exe
Token: SeRemoteShutdownPrivilege	4616	msiexec.exe
Token: SeUndockPrivilege	4616	msiexec.exe
Token: SeSyncAgentPrivilege	4616	msiexec.exe
Token: SeEnableDelegationPrivilege	4616	msiexec.exe
Token: SeManageVolumePrivilege	4616	msiexec.exe
Token: SeImpersonatePrivilege	4616	msiexec.exe
Token: SeCreateGlobalPrivilege	4616	msiexec.exe
Token: SeRestorePrivilege	1528	msiexec.exe
Token: SeTakeOwnershipPrivilege	1528	msiexec.exe
Token: SeRestorePrivilege	1528	msiexec.exe
Token: SeTakeOwnershipPrivilege	1528	msiexec.exe
Token: SeRestorePrivilege	1528	msiexec.exe
Token: SeTakeOwnershipPrivilege	1528	msiexec.exe
Token: SeRestorePrivilege	1528	msiexec.exe
Token: SeTakeOwnershipPrivilege	1528	msiexec.exe
Token: SeRestorePrivilege	1528	msiexec.exe
Token: SeTakeOwnershipPrivilege	1528	msiexec.exe
Token: SeRestorePrivilege	1528	msiexec.exe
Token: SeTakeOwnershipPrivilege	1528	msiexec.exe
Token: SeRestorePrivilege	1528	msiexec.exe
Token: SeTakeOwnershipPrivilege	1528	msiexec.exe
Token: SeRestorePrivilege	1528	msiexec.exe
Token: SeTakeOwnershipPrivilege	1528	msiexec.exe
Token: SeRestorePrivilege	1528	msiexec.exe
Token: SeTakeOwnershipPrivilege	1528	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4616	msiexec.exe
4616	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 4764	1528	msiexec.exe	84
PID 1528 wrote to memory of 4764	1528	msiexec.exe	84
PID 1528 wrote to memory of 4764	1528	msiexec.exe	84
PID 1528 wrote to memory of 3752	1528	msiexec.exe	85
PID 1528 wrote to memory of 3752	1528	msiexec.exe	85

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\RECIB_VNT-895.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4616

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding E2A0A30BC036DEE19EF9E3D41DDD5A62
  2⤵
  - Loads dropped DLL
  PID:4764
- C:\Windows\System32\MsiExec.exe
  C:\Windows\System32\MsiExec.exe -Embedding B4D503AD64CEB65CEF02BA5826D6351C
  2⤵
  - Loads dropped DLL
  PID:3752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\e56695f.rbs

Filesize
559B

MD5
5b69061bd46ae9319eb7a691b0d4891f

SHA1
d5e78acf57ee815a98ea5b3c3de2272cdff31255

SHA256
68b0f40a39d4e840b27f3bac3160615ead28ab909e928f0d1fe699374dbbaa8e

SHA512
3e02823600be53868a59f8a6dfc8214ac8cc374caf3ce3717762ed888fcf0544474b776c09907a36438e7a702b85935d9749682c424c973a8238090b777256ba

Download Submit
C:\Windows\Installer\MSI6A28.tmp

Filesize
554KB

MD5
3b171ce087bb799aafcbbd93bab27f71

SHA1
7bd69efbc7797bdff5510830ca2cc817c8b86d08

SHA256
bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4

SHA512
7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38

Download Submit
C:\Windows\Installer\MSI6A28.tmp

Filesize
554KB

MD5
3b171ce087bb799aafcbbd93bab27f71

SHA1
7bd69efbc7797bdff5510830ca2cc817c8b86d08

SHA256
bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4

SHA512
7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38

Download Submit
C:\Windows\Installer\MSI6C7B.tmp

Filesize
554KB

MD5
3b171ce087bb799aafcbbd93bab27f71

SHA1
7bd69efbc7797bdff5510830ca2cc817c8b86d08

SHA256
bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4

SHA512
7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38

Download Submit
C:\Windows\Installer\MSI6C7B.tmp

Filesize
554KB

MD5
3b171ce087bb799aafcbbd93bab27f71

SHA1
7bd69efbc7797bdff5510830ca2cc817c8b86d08

SHA256
bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4

SHA512
7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38

Download Submit
C:\Windows\Installer\MSI6D18.tmp

Filesize
554KB

MD5
3b171ce087bb799aafcbbd93bab27f71

SHA1
7bd69efbc7797bdff5510830ca2cc817c8b86d08

SHA256
bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4

SHA512
7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38

Download Submit
C:\Windows\Installer\MSI6D18.tmp

Filesize
554KB

MD5
3b171ce087bb799aafcbbd93bab27f71

SHA1
7bd69efbc7797bdff5510830ca2cc817c8b86d08

SHA256
bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4

SHA512
7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38

Download Submit
C:\Windows\Installer\MSI6D18.tmp

Filesize
554KB

MD5
3b171ce087bb799aafcbbd93bab27f71

SHA1
7bd69efbc7797bdff5510830ca2cc817c8b86d08

SHA256
bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4

SHA512
7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38

Download Submit
C:\Windows\Installer\MSI6D68.tmp

Filesize
554KB

MD5
3b171ce087bb799aafcbbd93bab27f71

SHA1
7bd69efbc7797bdff5510830ca2cc817c8b86d08

SHA256
bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4

SHA512
7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38

Download Submit
C:\Windows\Installer\MSI6D68.tmp

Filesize
554KB

MD5
3b171ce087bb799aafcbbd93bab27f71

SHA1
7bd69efbc7797bdff5510830ca2cc817c8b86d08

SHA256
bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4

SHA512
7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38

Download Submit
C:\Windows\Installer\MSI6EC1.tmp

Filesize
2.2MB

MD5
85c345e8c8f651490ee12b84f639e88d

SHA1
4ffefe1585ba65cd1e5d9c8a1c5b2e01f02e74b4

SHA256
eaaa54dfde8ebeac59b260fc49e154be5570e0a48174666151bd1a9b3ee375c8

SHA512
787c82b4192c9b72b712baf3552036837de4f418bed65190fc2329d7a09f37ecaf5b6b3d0b1406c6de938ae49c08eab845081b4381b73328cbe7b7ed879139e6

Download Submit
C:\Windows\Installer\MSI6EC1.tmp

Filesize
2.2MB

MD5
85c345e8c8f651490ee12b84f639e88d

SHA1
4ffefe1585ba65cd1e5d9c8a1c5b2e01f02e74b4

SHA256
eaaa54dfde8ebeac59b260fc49e154be5570e0a48174666151bd1a9b3ee375c8

SHA512
787c82b4192c9b72b712baf3552036837de4f418bed65190fc2329d7a09f37ecaf5b6b3d0b1406c6de938ae49c08eab845081b4381b73328cbe7b7ed879139e6

Download Submit
memory/3752-159-0x0000000062FA0000-0x0000000063925000-memory.dmp

Filesize
9.5MB

Download
memory/3752-160-0x00000180E1E90000-0x00000180E1E91000-memory.dmp

Filesize
4KB

Download