latrodectus | b9dbe9649c761b0eee38419ac39dcd7e90486ee34cd0eb56adde6b2f645f2960

Analysis

max time kernel
142s
max time network
173s
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 17:38

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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/3688-52-0x0000012DDA910000-0x0000012DDA924000-memory.dmp	family_latrodectus_v2
behavioral2/memory/3688-53-0x0000012DDA8F0000-0x0000012DDA904000-memory.dmp	family_latrodectus_v2
behavioral2/memory/3688-54-0x0000012DDA910000-0x0000012DDA924000-memory.dmp	family_latrodectus_v2
behavioral2/memory/3688-59-0x0000012DDA910000-0x0000012DDA924000-memory.dmp	family_latrodectus_v2
behavioral2/memory/3704-72-0x0000021823840000-0x0000021823854000-memory.dmp	family_latrodectus_v2
behavioral2/memory/3704-73-0x0000021823820000-0x0000021823834000-memory.dmp	family_latrodectus_v2
behavioral2/memory/3704-74-0x0000021823840000-0x0000021823854000-memory.dmp	family_latrodectus_v2
behavioral2/memory/3704-75-0x0000021823840000-0x0000021823854000-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)	\??\J:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	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)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSI4B2B.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\e594685.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\MSI4711.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI47DE.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\SourceHash{9ED9545C-B8D6-44B7-9F95-C34BF6189509}	msiexec.exe
File created	C:\Windows\Installer\e594685.msi	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI4A21.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
3740	MSI4B2B.tmp

Loads dropped DLL 10 IoCs

pid	Process
4316	MsiExec.exe
4316	MsiExec.exe
4316	MsiExec.exe
4316	MsiExec.exe
4316	MsiExec.exe
4316	MsiExec.exe
4276	MsiExec.exe
4276	MsiExec.exe
3688	rundll32.exe
3704	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\PartitionTableCache = 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	vssvc.exe
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

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
228	msiexec.exe
228	msiexec.exe
3740	MSI4B2B.tmp
3740	MSI4B2B.tmp
3688	rundll32.exe
3688	rundll32.exe
3688	rundll32.exe
3688	rundll32.exe
3704	rundll32.exe
3704	rundll32.exe
3704	rundll32.exe
3704	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4124	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4124	msiexec.exe
Token: SeSecurityPrivilege	228	msiexec.exe
Token: SeCreateTokenPrivilege	4124	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4124	msiexec.exe
Token: SeLockMemoryPrivilege	4124	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4124	msiexec.exe
Token: SeMachineAccountPrivilege	4124	msiexec.exe
Token: SeTcbPrivilege	4124	msiexec.exe
Token: SeSecurityPrivilege	4124	msiexec.exe
Token: SeTakeOwnershipPrivilege	4124	msiexec.exe
Token: SeLoadDriverPrivilege	4124	msiexec.exe
Token: SeSystemProfilePrivilege	4124	msiexec.exe
Token: SeSystemtimePrivilege	4124	msiexec.exe
Token: SeProfSingleProcessPrivilege	4124	msiexec.exe
Token: SeIncBasePriorityPrivilege	4124	msiexec.exe
Token: SeCreatePagefilePrivilege	4124	msiexec.exe
Token: SeCreatePermanentPrivilege	4124	msiexec.exe
Token: SeBackupPrivilege	4124	msiexec.exe
Token: SeRestorePrivilege	4124	msiexec.exe
Token: SeShutdownPrivilege	4124	msiexec.exe
Token: SeDebugPrivilege	4124	msiexec.exe
Token: SeAuditPrivilege	4124	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4124	msiexec.exe
Token: SeChangeNotifyPrivilege	4124	msiexec.exe
Token: SeRemoteShutdownPrivilege	4124	msiexec.exe
Token: SeUndockPrivilege	4124	msiexec.exe
Token: SeSyncAgentPrivilege	4124	msiexec.exe
Token: SeEnableDelegationPrivilege	4124	msiexec.exe
Token: SeManageVolumePrivilege	4124	msiexec.exe
Token: SeImpersonatePrivilege	4124	msiexec.exe
Token: SeCreateGlobalPrivilege	4124	msiexec.exe
Token: SeCreateTokenPrivilege	4124	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4124	msiexec.exe
Token: SeLockMemoryPrivilege	4124	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4124	msiexec.exe
Token: SeMachineAccountPrivilege	4124	msiexec.exe
Token: SeTcbPrivilege	4124	msiexec.exe
Token: SeSecurityPrivilege	4124	msiexec.exe
Token: SeTakeOwnershipPrivilege	4124	msiexec.exe
Token: SeLoadDriverPrivilege	4124	msiexec.exe
Token: SeSystemProfilePrivilege	4124	msiexec.exe
Token: SeSystemtimePrivilege	4124	msiexec.exe
Token: SeProfSingleProcessPrivilege	4124	msiexec.exe
Token: SeIncBasePriorityPrivilege	4124	msiexec.exe
Token: SeCreatePagefilePrivilege	4124	msiexec.exe
Token: SeCreatePermanentPrivilege	4124	msiexec.exe
Token: SeBackupPrivilege	4124	msiexec.exe
Token: SeRestorePrivilege	4124	msiexec.exe
Token: SeShutdownPrivilege	4124	msiexec.exe
Token: SeDebugPrivilege	4124	msiexec.exe
Token: SeAuditPrivilege	4124	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4124	msiexec.exe
Token: SeChangeNotifyPrivilege	4124	msiexec.exe
Token: SeRemoteShutdownPrivilege	4124	msiexec.exe
Token: SeUndockPrivilege	4124	msiexec.exe
Token: SeSyncAgentPrivilege	4124	msiexec.exe
Token: SeEnableDelegationPrivilege	4124	msiexec.exe
Token: SeManageVolumePrivilege	4124	msiexec.exe
Token: SeImpersonatePrivilege	4124	msiexec.exe
Token: SeCreateGlobalPrivilege	4124	msiexec.exe
Token: SeCreateTokenPrivilege	4124	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4124	msiexec.exe
Token: SeLockMemoryPrivilege	4124	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4124	msiexec.exe
4124	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 4316	228	msiexec.exe	92
PID 228 wrote to memory of 4316	228	msiexec.exe	92
PID 228 wrote to memory of 4316	228	msiexec.exe	92
PID 228 wrote to memory of 5036	228	msiexec.exe	104
PID 228 wrote to memory of 5036	228	msiexec.exe	104
PID 228 wrote to memory of 4276	228	msiexec.exe	106
PID 228 wrote to memory of 4276	228	msiexec.exe	106
PID 228 wrote to memory of 4276	228	msiexec.exe	106
PID 228 wrote to memory of 3740	228	msiexec.exe	107
PID 228 wrote to memory of 3740	228	msiexec.exe	107
PID 228 wrote to memory of 3740	228	msiexec.exe	107
PID 3688 wrote to memory of 3704	3688	rundll32.exe	109
PID 3688 wrote to memory of 3704	3688	rundll32.exe	109

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:4124

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:228
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 231DE7F0CF3FD7039A68E8A51D0073FE C
  2⤵
  - Loads dropped DLL
  PID:4316
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:5036
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding DB1ACB572E73F4CAA7CFCA7F8A4F8AB7
  2⤵
  - Loads dropped DLL
  PID:4276
- C:\Windows\Installer\MSI4B2B.tmp
  "C:\Windows\Installer\MSI4B2B.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:3740

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:2116

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:3688
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_660c9e20.dll", homi
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:3704

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\e594686.rbs

Filesize
1KB

MD5
a25eb1d2539c403a126b7db292f257d2

SHA1
89c480871f0961c0cbc9a7b946c415bd37c84520

SHA256
40be001fb4a073efdef0790496e1483a19c35e473f334b9ed2347a4c398f44fc

SHA512
d15aaea058c99630f1dfa81d1323e9345981a25ec30e2c78bcecbe138ab4bce5b386e47448519e9f190983ad791422e61b25f1952726488020ad34f7992285b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSIE2CE.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\MSI4B2B.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
01309017c949ade0a324425da7c5b61b

SHA1
dfc44e48371e5ccd6c60081909cfee5ad4bb8408

SHA256
2a6342b9b8901f36335c2bd152eec595b6b5fe9cacb83d901abe777ea52857b4

SHA512
0d8c85ed28b3b1a2234739d0d3de83dbf0f5c5397e9ac5fe1441428470147b78ad4ef90022ca13009450acdb7cd60ab1fb8927fd25d77976ae02e50f077921e9

Download Submit
\??\Volume{0e54dc8f-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{cbfc875b-094a-4859-933c-39a3b057b937}_OnDiskSnapshotProp

Filesize
6KB

MD5
a2cedd19839825e1ad6bbcc60838538f

SHA1
935b7139c7174968bbe3676d240e7c08c684d59a

SHA256
bf61d22a902f0e9ff1e5fd89ad04b6feb252534561cc38620b71e836431e888f

SHA512
3bdb88718b27433565ed51f4a85baa611e4ed1000bef3c78fe385b9eeaee1989f1c117726aafd0d98f87134832a2a06e79b236dfd8ff75cf0479bb42d80a96d9

Download Submit
memory/3688-51-0x0000000180000000-0x00000001800BF000-memory.dmp

Filesize
764KB

Download
memory/3688-52-0x0000012DDA910000-0x0000012DDA924000-memory.dmp

Filesize
80KB

Download
memory/3688-53-0x0000012DDA8F0000-0x0000012DDA904000-memory.dmp

Filesize
80KB

Download
memory/3688-54-0x0000012DDA910000-0x0000012DDA924000-memory.dmp

Filesize
80KB

Download
memory/3688-56-0x0000000180000000-0x00000001800BF000-memory.dmp

Filesize
764KB

Download
memory/3688-59-0x0000012DDA910000-0x0000012DDA924000-memory.dmp

Filesize
80KB

Download
memory/3704-60-0x0000000180000000-0x00000001800BF000-memory.dmp

Filesize
764KB

Download
memory/3704-74-0x0000021823840000-0x0000021823854000-memory.dmp

Filesize
80KB

Download
memory/3704-75-0x0000021823840000-0x0000021823854000-memory.dmp

Filesize
80KB

Download
memory/3704-73-0x0000021823820000-0x0000021823834000-memory.dmp

Filesize
80KB

Download
memory/3704-72-0x0000021823840000-0x0000021823854000-memory.dmp

Filesize
80KB

Download