latrodectus | b9dbe9649c761b0eee38419ac39dcd7e90486ee34cd0eb56adde6b2f645f2960

Analysis

max time kernel
146s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04-04-2024 17:39

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General

Target

slack.msi
Size

1.5MB
MD5

3703f47cfa7ce06c14374f173c68daf0
SHA1

11826292538317a69ffffac6fde43418af10c91c
SHA256

b9dbe9649c761b0eee38419ac39dcd7e90486ee34cd0eb56adde6b2f645f2960
SHA512

8126b9819d588253588b360b21a8ec0fbf12e90f7d7c7d8f01c81b730d7993409ef4c7ce044b3bdc066f745d4fd471fb2bd93fb7d8e7565f67d4e086622dce4b
SSDEEP

24576:dFdxLNvYBSMvZCFlp8zBQSc0ZoCvqKwx0ECIgYmfLVYeBZr7AmAyTicXFyiYlHfe:dFtvY/W8zBQSc0ZnSKeZKumZr7AByIi+

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
behavioral2/memory/4988-48-0x000002546FDD0000-0x000002546FDE4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4988-49-0x000002546FDB0000-0x000002546FDC4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4988-50-0x000002546FDD0000-0x000002546FDE4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4988-55-0x000002546FDD0000-0x000002546FDE4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/2732-61-0x0000028F80040000-0x0000028F80054000-memory.dmp	family_latrodectus_v2
behavioral2/memory/2732-68-0x0000028F80040000-0x0000028F80054000-memory.dmp	family_latrodectus_v2
behavioral2/memory/2732-67-0x0000028F80020000-0x0000028F80034000-memory.dmp	family_latrodectus_v2
behavioral2/memory/2732-69-0x0000028F80040000-0x0000028F80054000-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)	\??\B:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\e57fc32.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\MSIFCA0.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIFD6C.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\Installer\SourceHash{9ED9545C-B8D6-44B7-9F95-C34BF6189509}	msiexec.exe
File created	C:\Windows\Installer\e57fc32.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIFF04.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIFE86.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
4260	MSIFF04.tmp

Loads dropped DLL 10 IoCs

pid	Process
3580	MsiExec.exe
3580	MsiExec.exe
3580	MsiExec.exe
3580	MsiExec.exe
3580	MsiExec.exe
3580	MsiExec.exe
4448	MsiExec.exe
4448	MsiExec.exe
4988	rundll32.exe
2732	rundll32.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	vssvc.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3656	msiexec.exe
3656	msiexec.exe
4260	MSIFF04.tmp
4260	MSIFF04.tmp
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
2732	rundll32.exe
2732	rundll32.exe
2732	rundll32.exe
2732	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1840	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1840	msiexec.exe
Token: SeSecurityPrivilege	3656	msiexec.exe
Token: SeCreateTokenPrivilege	1840	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1840	msiexec.exe
Token: SeLockMemoryPrivilege	1840	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1840	msiexec.exe
Token: SeMachineAccountPrivilege	1840	msiexec.exe
Token: SeTcbPrivilege	1840	msiexec.exe
Token: SeSecurityPrivilege	1840	msiexec.exe
Token: SeTakeOwnershipPrivilege	1840	msiexec.exe
Token: SeLoadDriverPrivilege	1840	msiexec.exe
Token: SeSystemProfilePrivilege	1840	msiexec.exe
Token: SeSystemtimePrivilege	1840	msiexec.exe
Token: SeProfSingleProcessPrivilege	1840	msiexec.exe
Token: SeIncBasePriorityPrivilege	1840	msiexec.exe
Token: SeCreatePagefilePrivilege	1840	msiexec.exe
Token: SeCreatePermanentPrivilege	1840	msiexec.exe
Token: SeBackupPrivilege	1840	msiexec.exe
Token: SeRestorePrivilege	1840	msiexec.exe
Token: SeShutdownPrivilege	1840	msiexec.exe
Token: SeDebugPrivilege	1840	msiexec.exe
Token: SeAuditPrivilege	1840	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1840	msiexec.exe
Token: SeChangeNotifyPrivilege	1840	msiexec.exe
Token: SeRemoteShutdownPrivilege	1840	msiexec.exe
Token: SeUndockPrivilege	1840	msiexec.exe
Token: SeSyncAgentPrivilege	1840	msiexec.exe
Token: SeEnableDelegationPrivilege	1840	msiexec.exe
Token: SeManageVolumePrivilege	1840	msiexec.exe
Token: SeImpersonatePrivilege	1840	msiexec.exe
Token: SeCreateGlobalPrivilege	1840	msiexec.exe
Token: SeCreateTokenPrivilege	1840	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1840	msiexec.exe
Token: SeLockMemoryPrivilege	1840	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1840	msiexec.exe
Token: SeMachineAccountPrivilege	1840	msiexec.exe
Token: SeTcbPrivilege	1840	msiexec.exe
Token: SeSecurityPrivilege	1840	msiexec.exe
Token: SeTakeOwnershipPrivilege	1840	msiexec.exe
Token: SeLoadDriverPrivilege	1840	msiexec.exe
Token: SeSystemProfilePrivilege	1840	msiexec.exe
Token: SeSystemtimePrivilege	1840	msiexec.exe
Token: SeProfSingleProcessPrivilege	1840	msiexec.exe
Token: SeIncBasePriorityPrivilege	1840	msiexec.exe
Token: SeCreatePagefilePrivilege	1840	msiexec.exe
Token: SeCreatePermanentPrivilege	1840	msiexec.exe
Token: SeBackupPrivilege	1840	msiexec.exe
Token: SeRestorePrivilege	1840	msiexec.exe
Token: SeShutdownPrivilege	1840	msiexec.exe
Token: SeDebugPrivilege	1840	msiexec.exe
Token: SeAuditPrivilege	1840	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1840	msiexec.exe
Token: SeChangeNotifyPrivilege	1840	msiexec.exe
Token: SeRemoteShutdownPrivilege	1840	msiexec.exe
Token: SeUndockPrivilege	1840	msiexec.exe
Token: SeSyncAgentPrivilege	1840	msiexec.exe
Token: SeEnableDelegationPrivilege	1840	msiexec.exe
Token: SeManageVolumePrivilege	1840	msiexec.exe
Token: SeImpersonatePrivilege	1840	msiexec.exe
Token: SeCreateGlobalPrivilege	1840	msiexec.exe
Token: SeCreateTokenPrivilege	1840	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1840	msiexec.exe
Token: SeLockMemoryPrivilege	1840	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1840	msiexec.exe
1840	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 3580	3656	msiexec.exe	86
PID 3656 wrote to memory of 3580	3656	msiexec.exe	86
PID 3656 wrote to memory of 3580	3656	msiexec.exe	86
PID 3656 wrote to memory of 4376	3656	msiexec.exe	101
PID 3656 wrote to memory of 4376	3656	msiexec.exe	101
PID 3656 wrote to memory of 4448	3656	msiexec.exe	103
PID 3656 wrote to memory of 4448	3656	msiexec.exe	103
PID 3656 wrote to memory of 4448	3656	msiexec.exe	103
PID 3656 wrote to memory of 4260	3656	msiexec.exe	104
PID 3656 wrote to memory of 4260	3656	msiexec.exe	104
PID 3656 wrote to memory of 4260	3656	msiexec.exe	104
PID 4988 wrote to memory of 2732	4988	rundll32.exe	106
PID 4988 wrote to memory of 2732	4988	rundll32.exe	106

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\slack.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1840

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:3656
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 22FE58B01B259CE03CFED25967BA85B2 C
  2⤵
  - Loads dropped DLL
  PID:3580
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4376
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding D4BB380143790DA312465B5CE4E65CEC
  2⤵
  - Loads dropped DLL
  PID:4448
- C:\Windows\Installer\MSIFF04.tmp
  "C:\Windows\Installer\MSIFF04.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\digistamp\mbae-api-na.dll, homi
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:4260

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:4832

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\digistamp\mbae-api-na.dll, homi
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_dcb32c2b.dll", homi
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2732

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

Replay Monitor

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Downloads

C:\Config.Msi\e57fc33.rbs

Filesize
1KB

MD5
5cf15c760e4497e51e6da3add80b2161

SHA1
32e69a87c7d31dc6decd83f4fcd5687cbe0f6803

SHA256
b335eec9536e6ee90a3e1a0ce62b6578f1f92d91f69ca85bb98ecd9e685f5141

SHA512
a971dee5d0e369778fd07623e711a81953c86ad268cc6421e506da05ac7d3e1493ca5c503dcf733e889fd232b1b197b90ab26e660c1998ac08ea3d2f48fd3edf

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI8889.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Users\Admin\AppData\Local\digistamp\mbae-api-na.dll

Filesize
740KB

MD5
f46e75eb89214e2fbb850b9d29b9f515

SHA1
1f35835a08f96fd9198864b8ded5baa1a27db710

SHA256
9856b816a9d14d3b7db32f30b07624e4bcda7f1e265a7bb7a3e3476bfd54a759

SHA512
9168a57de11da133d0ba98c8b7491520e9c75ad4678a5ac11e9220e483bcf7a2b9cc868ffc19de60094e87a5059303d20bd1f4a30c4f567ab4c3237f5f4c520d

Download Submit
C:\Windows\Installer\MSIFF04.tmp

Filesize
389KB

MD5
b9545ed17695a32face8c3408a6a3553

SHA1
f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

SHA256
1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

SHA512
f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

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

Filesize
23.7MB

MD5
a826ba1ff8c43b434c8484927e239454

SHA1
a90b8cbdfedeb54f59435a25776b7a290ba6c683

SHA256
7dd873e5068c2c429e098e5d1b3b36ecc230088972df9eb0772d83970d832279

SHA512
9bf6b9559ce68dff723919c8b93310a00fac7823189084827f5fd54de3db3865ab27f14319940c51fa64229da7b2fc9e24b440cc2dac91814a35e768788881b2

Download Submit
\??\Volume{ef76cfc2-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{6ea0e7b5-abfc-4bd8-a2ba-b1c1bdf82015}_OnDiskSnapshotProp

Filesize
6KB

MD5
11f9b7a9430d050c2ea148e31a1c1c0a

SHA1
daaab21299333655618336049ebb45567cedafec

SHA256
e7245d0b1ee73c0d1bc6826b9500460a63acf8c95c093c3505eb09059c06811c

SHA512
1183769e90b99814b6c23a1d0184a32d23f77c14c1a0bbe90877d7dd51a487ad2d6839686fc7ef8e5d477527c30e5d5204cd907edda754b76f250e068d2a03a2

Download Submit
memory/2732-69-0x0000028F80040000-0x0000028F80054000-memory.dmp

Filesize
80KB

Download
memory/2732-67-0x0000028F80020000-0x0000028F80034000-memory.dmp

Filesize
80KB

Download
memory/2732-68-0x0000028F80040000-0x0000028F80054000-memory.dmp

Filesize
80KB

Download
memory/2732-56-0x0000000180000000-0x00000001800BF000-memory.dmp

Filesize
764KB

Download
memory/2732-61-0x0000028F80040000-0x0000028F80054000-memory.dmp

Filesize
80KB

Download
memory/4988-48-0x000002546FDD0000-0x000002546FDE4000-memory.dmp

Filesize
80KB

Download
memory/4988-55-0x000002546FDD0000-0x000002546FDE4000-memory.dmp

Filesize
80KB

Download
memory/4988-52-0x0000000180000000-0x00000001800BF000-memory.dmp

Filesize
764KB

Download
memory/4988-50-0x000002546FDD0000-0x000002546FDE4000-memory.dmp

Filesize
80KB

Download
memory/4988-49-0x000002546FDB0000-0x000002546FDC4000-memory.dmp

Filesize
80KB

Download
memory/4988-47-0x0000000180000000-0x00000001800BF000-memory.dmp

Filesize
764KB

Download