latrodectus | 8041a15e27c785f2adcce9e8c643f5cc619b52e50cd36ff043d13c4089ce1cad

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
26-04-2024 01:20

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General

Target

8041a15e27c785f2adcce9e8c643f5cc619b52e50cd36ff043d13c4089ce1cad.msi
Size

1.5MB
MD5

666151c11b7899a0c764abe711d3f9b3
SHA1

35462114e096f4d307607d713136bfe38479870d
SHA256

8041a15e27c785f2adcce9e8c643f5cc619b52e50cd36ff043d13c4089ce1cad
SHA512

835fee905d540f1e3b4d32a0645041c9add6ea488675a8ca99dbe571cfaaef5781bed8c1277dd7942be7d672945d68a1016c2ab5cb645d539e07893d69672adc
SSDEEP

49152:QZH3YuW8zBQSc0ZnSKmZKumZr7A2BQTBG:+Y90Zn0K/A2OF

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://jarinamaers.shop/live/

https://wrankaget.site/live/

Signatures

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

Detect larodectus Loader variant 2 4 IoCs

loader

resource	yara_rule
behavioral2/memory/1868-49-0x000002487FC10000-0x000002487FC24000-memory.dmp	family_latrodectus_v2
behavioral2/memory/1868-53-0x000002487FC10000-0x000002487FC24000-memory.dmp	family_latrodectus_v2
behavioral2/memory/1792-66-0x000002A0BA030000-0x000002A0BA044000-memory.dmp	family_latrodectus_v2
behavioral2/memory/1792-67-0x000002A0BA030000-0x000002A0BA044000-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)	\??\Z:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e575d81.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI5DCF.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI5FA7.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI5F1A.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\e575d81.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\MSI5ECA.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\SourceHash{B135729E-0574-44D1-B7A1-6E44550F506B}	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
4660	MSI5FA7.tmp

Loads dropped DLL 10 IoCs

pid	Process
4024	MsiExec.exe
4024	MsiExec.exe
4024	MsiExec.exe
4024	MsiExec.exe
4024	MsiExec.exe
4024	MsiExec.exe
1628	MsiExec.exe
1628	MsiExec.exe
1868	rundll32.exe
1792	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
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
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

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2268	msiexec.exe
2268	msiexec.exe
4660	MSI5FA7.tmp
4660	MSI5FA7.tmp
1868	rundll32.exe
1868	rundll32.exe
1868	rundll32.exe
1868	rundll32.exe
1792	rundll32.exe
1792	rundll32.exe
1792	rundll32.exe
1792	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3164	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3164	msiexec.exe
Token: SeSecurityPrivilege	2268	msiexec.exe
Token: SeCreateTokenPrivilege	3164	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3164	msiexec.exe
Token: SeLockMemoryPrivilege	3164	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3164	msiexec.exe
Token: SeMachineAccountPrivilege	3164	msiexec.exe
Token: SeTcbPrivilege	3164	msiexec.exe
Token: SeSecurityPrivilege	3164	msiexec.exe
Token: SeTakeOwnershipPrivilege	3164	msiexec.exe
Token: SeLoadDriverPrivilege	3164	msiexec.exe
Token: SeSystemProfilePrivilege	3164	msiexec.exe
Token: SeSystemtimePrivilege	3164	msiexec.exe
Token: SeProfSingleProcessPrivilege	3164	msiexec.exe
Token: SeIncBasePriorityPrivilege	3164	msiexec.exe
Token: SeCreatePagefilePrivilege	3164	msiexec.exe
Token: SeCreatePermanentPrivilege	3164	msiexec.exe
Token: SeBackupPrivilege	3164	msiexec.exe
Token: SeRestorePrivilege	3164	msiexec.exe
Token: SeShutdownPrivilege	3164	msiexec.exe
Token: SeDebugPrivilege	3164	msiexec.exe
Token: SeAuditPrivilege	3164	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3164	msiexec.exe
Token: SeChangeNotifyPrivilege	3164	msiexec.exe
Token: SeRemoteShutdownPrivilege	3164	msiexec.exe
Token: SeUndockPrivilege	3164	msiexec.exe
Token: SeSyncAgentPrivilege	3164	msiexec.exe
Token: SeEnableDelegationPrivilege	3164	msiexec.exe
Token: SeManageVolumePrivilege	3164	msiexec.exe
Token: SeImpersonatePrivilege	3164	msiexec.exe
Token: SeCreateGlobalPrivilege	3164	msiexec.exe
Token: SeCreateTokenPrivilege	3164	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3164	msiexec.exe
Token: SeLockMemoryPrivilege	3164	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3164	msiexec.exe
Token: SeMachineAccountPrivilege	3164	msiexec.exe
Token: SeTcbPrivilege	3164	msiexec.exe
Token: SeSecurityPrivilege	3164	msiexec.exe
Token: SeTakeOwnershipPrivilege	3164	msiexec.exe
Token: SeLoadDriverPrivilege	3164	msiexec.exe
Token: SeSystemProfilePrivilege	3164	msiexec.exe
Token: SeSystemtimePrivilege	3164	msiexec.exe
Token: SeProfSingleProcessPrivilege	3164	msiexec.exe
Token: SeIncBasePriorityPrivilege	3164	msiexec.exe
Token: SeCreatePagefilePrivilege	3164	msiexec.exe
Token: SeCreatePermanentPrivilege	3164	msiexec.exe
Token: SeBackupPrivilege	3164	msiexec.exe
Token: SeRestorePrivilege	3164	msiexec.exe
Token: SeShutdownPrivilege	3164	msiexec.exe
Token: SeDebugPrivilege	3164	msiexec.exe
Token: SeAuditPrivilege	3164	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3164	msiexec.exe
Token: SeChangeNotifyPrivilege	3164	msiexec.exe
Token: SeRemoteShutdownPrivilege	3164	msiexec.exe
Token: SeUndockPrivilege	3164	msiexec.exe
Token: SeSyncAgentPrivilege	3164	msiexec.exe
Token: SeEnableDelegationPrivilege	3164	msiexec.exe
Token: SeManageVolumePrivilege	3164	msiexec.exe
Token: SeImpersonatePrivilege	3164	msiexec.exe
Token: SeCreateGlobalPrivilege	3164	msiexec.exe
Token: SeCreateTokenPrivilege	3164	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3164	msiexec.exe
Token: SeLockMemoryPrivilege	3164	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3164	msiexec.exe
3164	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 4024	2268	msiexec.exe	87
PID 2268 wrote to memory of 4024	2268	msiexec.exe	87
PID 2268 wrote to memory of 4024	2268	msiexec.exe	87
PID 2268 wrote to memory of 2880	2268	msiexec.exe	102
PID 2268 wrote to memory of 2880	2268	msiexec.exe	102
PID 2268 wrote to memory of 1628	2268	msiexec.exe	104
PID 2268 wrote to memory of 1628	2268	msiexec.exe	104
PID 2268 wrote to memory of 1628	2268	msiexec.exe	104
PID 2268 wrote to memory of 4660	2268	msiexec.exe	106
PID 2268 wrote to memory of 4660	2268	msiexec.exe	106
PID 2268 wrote to memory of 4660	2268	msiexec.exe	106
PID 1868 wrote to memory of 1792	1868	rundll32.exe	108
PID 1868 wrote to memory of 1792	1868	rundll32.exe	108

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\8041a15e27c785f2adcce9e8c643f5cc619b52e50cd36ff043d13c4089ce1cad.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3164

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:2268
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding B8AC615352B958A2D2FE095FD0447DD0 C
  2⤵
  - Loads dropped DLL
  PID:4024
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:2880
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 017B426FE5A5A13BAF1E2696A8FB0CAB
  2⤵
  - Loads dropped DLL
  PID:1628
- C:\Windows\Installer\MSI5FA7.tmp
  "C:\Windows\Installer\MSI5FA7.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\sharepoint\360total.dll, homq
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:4660

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:2648

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\sharepoint\360total.dll, homq
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_e0b1f82e.dll", homq
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1792

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\e575d82.rbs

Filesize
1KB

MD5
a7282083b3c86ba10a5e30a254bbe204

SHA1
d30ffef38156cc2d57791ba09c6cccc8b5fd253e

SHA256
d1fafcea92b47b41f5b6f70e837655cb4e20efabcce30943cff01e0c3342e252

SHA512
2d329ee5c0b7f634190ba8a0dbd73c477fd86152e93b6bcdfa3cc4bb338770480cb5eb2cdd7553b826d320e56273568a643065f6f6012f760a56138f096082a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI321C.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Users\Admin\AppData\Local\sharepoint\360total.dll

Filesize
885KB

MD5
74143402c40ac2e61e9f040a2d7e2d00

SHA1
4053dc85bb86c47c63f96681d6a62c21cd6342a3

SHA256
1625ac230aa5ca950573f3ba0b1a7bd4c7fbd3e3686f9ecd4a40f1504bf33a11

SHA512
4aa55b859f15be8b14c4a0ff6f3971f49b47c1c8c8427f179eb4ab0c76e321441adfd173469facb12aae1e81e25f1328fd621214b42e66f690ba4e9ee1e54cf9

Download Submit
C:\Windows\Installer\MSI5FA7.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
23d68f14b08783806c5d33017aea09a6

SHA1
a8afdb99b2ab657ca61c59cdc3631ea90ec57808

SHA256
1ed63612605967663a5ab61b98496cb225f4021f04b48d5d97f5c72d4a9d2390

SHA512
fbc5d74a2f599a64df7b51ff17565112d4431a4de9f95092ec2c6c399667ec86776b0eb57bcdfa5dc3370115618bcb12c9d332bac0e3fe84f06f57ce45dc5ef0

Download Submit
\??\Volume{dfbd5e8b-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f5b6edf5-aafa-40f6-83e4-d99537176bdd}_OnDiskSnapshotProp

Filesize
6KB

MD5
5ad35e143c94ea709a26e3a040b1ae60

SHA1
9fa49d4abfefce8f203b96ff8d81f16ff12a02b4

SHA256
1cdb85cdeaf8b4bcb5bb03259ca5c4daaff244bf44d8b72d5d77b2120b4768fc

SHA512
f93e8f4dcf1d3cc9a1cd9fa6c7f42fcae1ac673e53a073ea3db1193761b5ccd8d1429109a6514cbe0481fdca7cdd5f999fe049f151127569bf9189dc6a0f8fb0

Download Submit
memory/1792-66-0x000002A0BA030000-0x000002A0BA044000-memory.dmp

Filesize
80KB

Download
memory/1792-67-0x000002A0BA030000-0x000002A0BA044000-memory.dmp

Filesize
80KB

Download
memory/1868-49-0x000002487FC10000-0x000002487FC24000-memory.dmp

Filesize
80KB

Download
memory/1868-51-0x0000000180000000-0x0000000180184000-memory.dmp

Filesize
1.5MB

Download
memory/1868-53-0x000002487FC10000-0x000002487FC24000-memory.dmp

Filesize
80KB

Download