latrodectus | de29ff5d531e11ec17eaa1abfb75c3cdf7c2e3e37bfbae61711aee41f20118b0

Analysis

max time kernel
128s
max time network
134s
platform
windows10-1703_x64
resource
win10-20240221-en
resource tags

arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
submitted
02-04-2024 16:01

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General

Target

de29ff5d531e11ec17eaa1abfb75c3cdf7c2e3e37bfbae61711aee41f20118b0.msi
Size

1.8MB
MD5

aadb28cd58585f773265bd1e4fd584a6
SHA1

efa3704afcbd08977b2458e9cf5f05ae6da4fd9a
SHA256

de29ff5d531e11ec17eaa1abfb75c3cdf7c2e3e37bfbae61711aee41f20118b0
SHA512

412ece345ab2876ceccebd21a6e8e4a235708707ec236d9716a3cd1691917322bcff9a0bc79a1a21ff63df4e8ea395dbc61dfdfd392633bbb82a76f6b2a8f0ae
SSDEEP

49152:q6LvYpW8zBQSc0ZnSKeZKumZr7A0ybfpVENl14rrX:5YQ0ZncK/A0qfnEZ4P

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://titnovacrion.top/live/

https://skinnyjeanso.com/live/

Signatures

Latrodectus loader
Latrodectus is a loader written in C++.
loader latrodectus

Detect larodectus Loader variant 2 8 IoCs

loader

resource	yara_rule
behavioral1/memory/4736-56-0x000001B5C1F60000-0x000001B5C1F74000-memory.dmp	family_latrodectus_v2
behavioral1/memory/4736-61-0x000001B5C1F80000-0x000001B5C1F94000-memory.dmp	family_latrodectus_v2
behavioral1/memory/4736-59-0x000001B5C1F40000-0x000001B5C1F52000-memory.dmp	family_latrodectus_v2
behavioral1/memory/4736-62-0x000001B5C1F80000-0x000001B5C1F94000-memory.dmp	family_latrodectus_v2
behavioral1/memory/4736-67-0x000001B5C1F80000-0x000001B5C1F94000-memory.dmp	family_latrodectus_v2
behavioral1/memory/840-84-0x000002576D080000-0x000002576D094000-memory.dmp	family_latrodectus_v2
behavioral1/memory/840-85-0x000002576D080000-0x000002576D094000-memory.dmp	family_latrodectus_v2
behavioral1/memory/840-86-0x000002576D080000-0x000002576D094000-memory.dmp	family_latrodectus_v2

Enumerates connected drives 3 TTPs 46 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)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e5857ef.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI5A13.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\MSI5BD9.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI5CB5.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\e5857ef.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\MSI586C.tmp	msiexec.exe
File created	C:\Windows\Installer\SourceHash{060B5AA5-F33D-4FA0-967E-616346C49B21}	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
2784	MSI5CB5.tmp

Loads dropped DLL 10 IoCs

pid	Process
5084	MsiExec.exe
5084	MsiExec.exe
5084	MsiExec.exe
5084	MsiExec.exe
5084	MsiExec.exe
5084	MsiExec.exe
3456	MsiExec.exe
3456	MsiExec.exe
4736	rundll32.exe
840	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4696	msiexec.exe
4696	msiexec.exe
2784	MSI5CB5.tmp
2784	MSI5CB5.tmp
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
840	rundll32.exe
840	rundll32.exe
840	rundll32.exe
840	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3372	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3372	msiexec.exe
Token: SeSecurityPrivilege	4696	msiexec.exe
Token: SeCreateTokenPrivilege	3372	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3372	msiexec.exe
Token: SeLockMemoryPrivilege	3372	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3372	msiexec.exe
Token: SeMachineAccountPrivilege	3372	msiexec.exe
Token: SeTcbPrivilege	3372	msiexec.exe
Token: SeSecurityPrivilege	3372	msiexec.exe
Token: SeTakeOwnershipPrivilege	3372	msiexec.exe
Token: SeLoadDriverPrivilege	3372	msiexec.exe
Token: SeSystemProfilePrivilege	3372	msiexec.exe
Token: SeSystemtimePrivilege	3372	msiexec.exe
Token: SeProfSingleProcessPrivilege	3372	msiexec.exe
Token: SeIncBasePriorityPrivilege	3372	msiexec.exe
Token: SeCreatePagefilePrivilege	3372	msiexec.exe
Token: SeCreatePermanentPrivilege	3372	msiexec.exe
Token: SeBackupPrivilege	3372	msiexec.exe
Token: SeRestorePrivilege	3372	msiexec.exe
Token: SeShutdownPrivilege	3372	msiexec.exe
Token: SeDebugPrivilege	3372	msiexec.exe
Token: SeAuditPrivilege	3372	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3372	msiexec.exe
Token: SeChangeNotifyPrivilege	3372	msiexec.exe
Token: SeRemoteShutdownPrivilege	3372	msiexec.exe
Token: SeUndockPrivilege	3372	msiexec.exe
Token: SeSyncAgentPrivilege	3372	msiexec.exe
Token: SeEnableDelegationPrivilege	3372	msiexec.exe
Token: SeManageVolumePrivilege	3372	msiexec.exe
Token: SeImpersonatePrivilege	3372	msiexec.exe
Token: SeCreateGlobalPrivilege	3372	msiexec.exe
Token: SeCreateTokenPrivilege	3372	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3372	msiexec.exe
Token: SeLockMemoryPrivilege	3372	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3372	msiexec.exe
Token: SeMachineAccountPrivilege	3372	msiexec.exe
Token: SeTcbPrivilege	3372	msiexec.exe
Token: SeSecurityPrivilege	3372	msiexec.exe
Token: SeTakeOwnershipPrivilege	3372	msiexec.exe
Token: SeLoadDriverPrivilege	3372	msiexec.exe
Token: SeSystemProfilePrivilege	3372	msiexec.exe
Token: SeSystemtimePrivilege	3372	msiexec.exe
Token: SeProfSingleProcessPrivilege	3372	msiexec.exe
Token: SeIncBasePriorityPrivilege	3372	msiexec.exe
Token: SeCreatePagefilePrivilege	3372	msiexec.exe
Token: SeCreatePermanentPrivilege	3372	msiexec.exe
Token: SeBackupPrivilege	3372	msiexec.exe
Token: SeRestorePrivilege	3372	msiexec.exe
Token: SeShutdownPrivilege	3372	msiexec.exe
Token: SeDebugPrivilege	3372	msiexec.exe
Token: SeAuditPrivilege	3372	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3372	msiexec.exe
Token: SeChangeNotifyPrivilege	3372	msiexec.exe
Token: SeRemoteShutdownPrivilege	3372	msiexec.exe
Token: SeUndockPrivilege	3372	msiexec.exe
Token: SeSyncAgentPrivilege	3372	msiexec.exe
Token: SeEnableDelegationPrivilege	3372	msiexec.exe
Token: SeManageVolumePrivilege	3372	msiexec.exe
Token: SeImpersonatePrivilege	3372	msiexec.exe
Token: SeCreateGlobalPrivilege	3372	msiexec.exe
Token: SeCreateTokenPrivilege	3372	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3372	msiexec.exe
Token: SeLockMemoryPrivilege	3372	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3372	msiexec.exe
3372	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 5084	4696	msiexec.exe	75
PID 4696 wrote to memory of 5084	4696	msiexec.exe	75
PID 4696 wrote to memory of 5084	4696	msiexec.exe	75
PID 4696 wrote to memory of 4184	4696	msiexec.exe	78
PID 4696 wrote to memory of 4184	4696	msiexec.exe	78
PID 4696 wrote to memory of 3456	4696	msiexec.exe	80
PID 4696 wrote to memory of 3456	4696	msiexec.exe	80
PID 4696 wrote to memory of 3456	4696	msiexec.exe	80
PID 4696 wrote to memory of 2784	4696	msiexec.exe	81
PID 4696 wrote to memory of 2784	4696	msiexec.exe	81
PID 4696 wrote to memory of 2784	4696	msiexec.exe	81
PID 4736 wrote to memory of 840	4736	rundll32.exe	83
PID 4736 wrote to memory of 840	4736	rundll32.exe	83

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\de29ff5d531e11ec17eaa1abfb75c3cdf7c2e3e37bfbae61711aee41f20118b0.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3372

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:4696
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding B021E2147EDC1051E16C14B144542B6E C
  2⤵
  - Loads dropped DLL
  PID:5084
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4184
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 56BD15E918DA90AF91173705F4F6159B
  2⤵
  - Loads dropped DLL
  PID:3456
- C:\Windows\Installer\MSI5CB5.tmp
  "C:\Windows\Installer\MSI5CB5.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\QUAL\utile.dll, vgml
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2784

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:3016

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\QUAL\utile.dll, vgml
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_1d098612.dll", vgml
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:840

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Config.Msi\e5857f0.rbs

Filesize
1KB

MD5
727bdb65ceaa88771f25848c5807b14e

SHA1
b070646b4b4598df2efe7d2b5605c6fed610e896

SHA256
05c7cd2308bcde39778c657e21b9ffffa689a7b0b997500529b99bc79a6c1210

SHA512
ada27b8dc9fedeb44403f4212fb7d43899d222d4d522d019b6923f88022d7a5ab4088d3b28d0dcf3214cbe137336a1d16c0f8953faa5adeb587b29670c9facfe

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSIE407.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Windows\Installer\MSI5CB5.tmp

Filesize
389KB

MD5
b9545ed17695a32face8c3408a6a3553

SHA1
f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

SHA256
1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

SHA512
f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

Download Submit
\??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

Filesize
25.0MB

MD5
030bd90a1e9eb349e5a664434fc83512

SHA1
a4d53ba021d49ccc509f0cf0b5f813566bcd20dc

SHA256
17366e4566f58844faad3e225b62f5c3a7d45c55ba1547890717a43dff94ca83

SHA512
6f4ef1b54852783f423d8316ed7ea231842d27acecd0fd563ce43fc7b580b0d3b9f27bbea5f6aa10647e4c85dafc147b44ad9e80539845f2b0cbf5bd7a710c21

Download Submit
\??\Volume{357a2a78-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{3367b16c-da7e-4a61-b24c-64faad7fce91}_OnDiskSnapshotProp

Filesize
5KB

MD5
a715c671f0a481731589cf9707f49598

SHA1
90708a0f4d269b867d975dc386d00fc6bb91022e

SHA256
489e99bdc83c1844326c59bd1603f210bc40860dd7360e6d39d00380e21d9b9d

SHA512
adbf2ec171b3db6785f4029e7c5d9df06dd83c0f843b34ff353d94a28009b03a5fc8ae272c7cfd1369bc3dae171ddf3206486f15fdeb84461ad9cb6f809bbfd3

Download Submit
\Users\Admin\AppData\Local\QUAL\utile.dll

Filesize
1.3MB

MD5
fdee9bf7924baa77c55da756b88558e3

SHA1
a751dbcbcda628b68a3592da97d252ee350aa4a6

SHA256
ac851c7c20500893d64adf7522f565d02b443f6ab6173963f1bf18b470355287

SHA512
63ab4da072f1f91d5d1b35a11a9700bb6692dd8f0462e73d8b9d4e1c958eea1f7417ad04dfe7c2032de41afefd48f7f9a9d67b22f393a06355c02df71456995b

Download Submit
memory/840-86-0x000002576D080000-0x000002576D094000-memory.dmp

Filesize
80KB

Download
memory/840-85-0x000002576D080000-0x000002576D094000-memory.dmp

Filesize
80KB

Download
memory/840-84-0x000002576D080000-0x000002576D094000-memory.dmp

Filesize
80KB

Download
memory/4736-56-0x000001B5C1F60000-0x000001B5C1F74000-memory.dmp

Filesize
80KB

Download
memory/4736-67-0x000001B5C1F80000-0x000001B5C1F94000-memory.dmp

Filesize
80KB

Download
memory/4736-64-0x0000000180000000-0x0000000180152000-memory.dmp

Filesize
1.3MB

Download
memory/4736-62-0x000001B5C1F80000-0x000001B5C1F94000-memory.dmp

Filesize
80KB

Download
memory/4736-59-0x000001B5C1F40000-0x000001B5C1F52000-memory.dmp

Filesize
72KB

Download
memory/4736-61-0x000001B5C1F80000-0x000001B5C1F94000-memory.dmp

Filesize
80KB

Download
memory/4736-55-0x000001B5C1F40000-0x000001B5C1F52000-memory.dmp

Filesize
72KB

Download