latrodectus | f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c

Analysis

max time kernel
95s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 19:49

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General

Target

f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c.msi
Size

1.9MB
MD5

c017277279dada1b9653bc6838019952
SHA1

4d66580dade368ea823c2afc602ad3686c20d4d1
SHA256

f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c
SHA512

cd9fea4bfa73987fb95e4e15ee6fa5c489842b79f8a497ea7dd65ec355db9df6d4af786612e6d9f43e7293723a91841465368728fb1b5361716a9297008adfa2
SSDEEP

49152:QGN3YhW8zBQSc0ZnSKBZKumZr7ANpTdzZfVSlaMBOno:3YY0Zn3K/ANPzbSlaBno

Score

10^/10

latrodectus discovery loader persistence privilege_escalation

Malware Config

Signatures

Detects Latrodectus 4 IoCs

Detects Latrodectus v1.4.

Processes:

resource	yara_rule
behavioral2/memory/1620-44-0x000001B77D380000-0x000001B77D396000-memory.dmp	family_latrodectus_1_4
behavioral2/memory/1620-46-0x000001B77D380000-0x000001B77D396000-memory.dmp	family_latrodectus_1_4
behavioral2/memory/1728-50-0x0000021220670000-0x0000021220686000-memory.dmp	family_latrodectus_1_4
behavioral2/memory/1728-51-0x0000021220670000-0x0000021220686000-memory.dmp	family_latrodectus_1_4

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

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

Processes:

msiexec.exemsiexec.exe

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

Drops file in Windows directory 12 IoCs

Processes:

msiexec.exe

description	ioc	Process
File opened for modification	C:\Windows\Installer\e5796b2.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI9700.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI97EB.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI985B.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI98D9.tmp	msiexec.exe
File created	C:\Windows\Installer\e5796b2.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI984A.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\SourceHash{72A77E3B-B705-4CCF-8F7A-0CB540D0E61A}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI99A5.tmp	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe

Executes dropped EXE 1 IoCs

Processes:

MSI99A5.tmp

pid	Process
232	MSI99A5.tmp

Loads dropped DLL 6 IoCs

Processes:

MsiExec.exerundll32.exerundll32.exe

pid	Process
4536	MsiExec.exe
4536	MsiExec.exe
4536	MsiExec.exe
4536	MsiExec.exe
1620	rundll32.exe
1728	rundll32.exe

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

Msiexec

T1218.007

Processes:

msiexec.exe

pid	Process
544	msiexec.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

MsiExec.exeMSI99A5.tmp

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSI99A5.tmp

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

Processes:

vssvc.exe

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 0000000004000000bf081c85bb6cd1e80000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000c01200000000ffffffff000000002701010000080000bf081c850000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d01200000000000020ed3a000000ffffffff000000000700010000680900bf081c85000000000000d012000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ff3a0000000000000005000000ffffffff000000000700010000f87f1dbf081c85000000000000f0ff3a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff000000000000000000000000bf081c8500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid	Process
1376	msiexec.exe
1376	msiexec.exe

Suspicious use of AdjustPrivilegeToken 63 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exesrtasks.exe

description	pid	Process
Token: SeShutdownPrivilege	544	msiexec.exe
Token: SeIncreaseQuotaPrivilege	544	msiexec.exe
Token: SeSecurityPrivilege	1376	msiexec.exe
Token: SeCreateTokenPrivilege	544	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	544	msiexec.exe
Token: SeLockMemoryPrivilege	544	msiexec.exe
Token: SeIncreaseQuotaPrivilege	544	msiexec.exe
Token: SeMachineAccountPrivilege	544	msiexec.exe
Token: SeTcbPrivilege	544	msiexec.exe
Token: SeSecurityPrivilege	544	msiexec.exe
Token: SeTakeOwnershipPrivilege	544	msiexec.exe
Token: SeLoadDriverPrivilege	544	msiexec.exe
Token: SeSystemProfilePrivilege	544	msiexec.exe
Token: SeSystemtimePrivilege	544	msiexec.exe
Token: SeProfSingleProcessPrivilege	544	msiexec.exe
Token: SeIncBasePriorityPrivilege	544	msiexec.exe
Token: SeCreatePagefilePrivilege	544	msiexec.exe
Token: SeCreatePermanentPrivilege	544	msiexec.exe
Token: SeBackupPrivilege	544	msiexec.exe
Token: SeRestorePrivilege	544	msiexec.exe
Token: SeShutdownPrivilege	544	msiexec.exe
Token: SeDebugPrivilege	544	msiexec.exe
Token: SeAuditPrivilege	544	msiexec.exe
Token: SeSystemEnvironmentPrivilege	544	msiexec.exe
Token: SeChangeNotifyPrivilege	544	msiexec.exe
Token: SeRemoteShutdownPrivilege	544	msiexec.exe
Token: SeUndockPrivilege	544	msiexec.exe
Token: SeSyncAgentPrivilege	544	msiexec.exe
Token: SeEnableDelegationPrivilege	544	msiexec.exe
Token: SeManageVolumePrivilege	544	msiexec.exe
Token: SeImpersonatePrivilege	544	msiexec.exe
Token: SeCreateGlobalPrivilege	544	msiexec.exe
Token: SeBackupPrivilege	1676	vssvc.exe
Token: SeRestorePrivilege	1676	vssvc.exe
Token: SeAuditPrivilege	1676	vssvc.exe
Token: SeBackupPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeTakeOwnershipPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeTakeOwnershipPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeTakeOwnershipPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeTakeOwnershipPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeTakeOwnershipPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeTakeOwnershipPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeTakeOwnershipPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeTakeOwnershipPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeTakeOwnershipPrivilege	1376	msiexec.exe
Token: SeBackupPrivilege	4412	srtasks.exe
Token: SeRestorePrivilege	4412	srtasks.exe
Token: SeSecurityPrivilege	4412	srtasks.exe
Token: SeTakeOwnershipPrivilege	4412	srtasks.exe
Token: SeBackupPrivilege	4412	srtasks.exe
Token: SeRestorePrivilege	4412	srtasks.exe
Token: SeSecurityPrivilege	4412	srtasks.exe
Token: SeTakeOwnershipPrivilege	4412	srtasks.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid	Process
544	msiexec.exe
544	msiexec.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

msiexec.exerundll32.exe

description	pid	Process	procid_target
PID 1376 wrote to memory of 4412	1376	msiexec.exe	99
PID 1376 wrote to memory of 4412	1376	msiexec.exe	99
PID 1376 wrote to memory of 4536	1376	msiexec.exe	101
PID 1376 wrote to memory of 4536	1376	msiexec.exe	101
PID 1376 wrote to memory of 4536	1376	msiexec.exe	101
PID 1376 wrote to memory of 232	1376	msiexec.exe	102
PID 1376 wrote to memory of 232	1376	msiexec.exe	102
PID 1376 wrote to memory of 232	1376	msiexec.exe	102
PID 1620 wrote to memory of 1728	1620	rundll32.exe	104
PID 1620 wrote to memory of 1728	1620	rundll32.exe	104

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\f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:544

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:1376
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4412
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding C18D6DCCFBA4BBA69DCE126F1DA8A06C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4536
- C:\Windows\Installer\MSI99A5.tmp
  "C:\Windows\Installer\MSI99A5.tmp" /DontWait C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Roaming\true.dll, NvPluginGetInfo
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:232

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:1676

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\true.dll, NvPluginGetInfo
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_3a30e489.dll", NvPluginGetInfo
  2⤵
  - Loads dropped DLL
  PID:1728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Installer Packages

T1546.016

Privilege Escalation

Event Triggered Execution

T1546

Installer Packages

T1546.016

Defense Evasion

System Binary Proxy Execution

T1218

Msiexec

T1218.007

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Config.Msi\e5796b5.rbs

Filesize
1KB

MD5
78ec23ff935dd7b625d1b8f60f9f07da

SHA1
605944a2a8ddbdf31e9eb5dba5e14611492dcbe2

SHA256
f09bb9e2563077a8eca15f2b2f18ed0d670e2b1bd08eb8a5750d02521c8f3f27

SHA512
4bf16ab38ffaab047e9efe727c6fd0cd99d0371e17b8686e82052985477d7b4125f752f134c909d371fce7913dd126c175194ef8144397c9685e6bb60d521c1e

Download Submit
C:\Users\Admin\AppData\Roaming\true.dll

Filesize
1.8MB

MD5
6dc0d350d735fd1acc8219cfa5d02b9b

SHA1
7ba0708a4404715fb21a23acfbd88a25b7245ef1

SHA256
2333dd858fc40899a1bff3fb39fbc0b4e65a864bfd4eb73c26b48aaddcca7061

SHA512
99c9b6310363ce3a7d9ff680c4a0ae976553fc4789b12f9b60d9f629608d90cf4d64b4c8a037264f8aaa48fba69ae397236ef4c32c2eb6779fb5d9e0b3b0d52f

Download Submit
C:\Windows\Installer\MSI9700.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Windows\Installer\MSI99A5.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
1df5878624fafdcc367327936354680b

SHA1
a69e1f3abbc0c8c155968b8c0b392661b5cad6b6

SHA256
2a93b19b26664691ea72a47e846c44c8350f6113ed6b340532894331ee9a6242

SHA512
abbe54aeb46e1c3e831164115d7d65ccfd403a668e54b4926df95a8520d0105d132c8c9337ebb5bbe4ce41ea836f9244e6e9d2aaea61f3dd117b55f589829302

Download Submit
\??\Volume{851c08bf-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{8f1b946c-9c91-428e-99fc-8aeefafc40e6}_OnDiskSnapshotProp

Filesize
6KB

MD5
f9cdc8ef073eb192d78b83bb2e7f474f

SHA1
09e333a6a1b53fb6bfa601873f23f96644b9b254

SHA256
89b3c028189c716d1960127db40cc31cd40f67dbd605aca565e298a017c2e65f

SHA512
ad7c0aecbf5bad0b95f1268ac737dff609d0447204abd2006331955a4e0ce190607c0da73f665449a88df81db75de10ac0418d1fbd4d85e1c7dfb1273e0e9556

Download Submit
memory/1620-44-0x000001B77D380000-0x000001B77D396000-memory.dmp

Filesize
88KB

Download
memory/1620-46-0x000001B77D380000-0x000001B77D396000-memory.dmp

Filesize
88KB

Download
memory/1620-47-0x0000000180000000-0x00000001801DC000-memory.dmp

Filesize
1.9MB

Download
memory/1728-50-0x0000021220670000-0x0000021220686000-memory.dmp

Filesize
88KB

Download
memory/1728-51-0x0000021220670000-0x0000021220686000-memory.dmp

Filesize
88KB

Download