latrodectus | 08075e8a6dcc6a5fca089348edbd5fc07b2b0b26a26a46e0dd401121fdaa88d3

Analysis

max time kernel
91s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
16/07/2024, 13:45

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General

Target

08075e8a6dcc6a5fca089348edbd5fc07b2b0b26a26a46e0dd401121fdaa88d3.msi
Size

1.6MB
MD5

b1532277024424c2071f0293eb39431a
SHA1

ca7b962b28407f02f715a1cd8e027146184342a2
SHA256

08075e8a6dcc6a5fca089348edbd5fc07b2b0b26a26a46e0dd401121fdaa88d3
SHA512

30c1e2468a8277d41befda9d855be34617d3cb143e047a4aaeb070e948ccb615d636c5942a45278bd947f14dae78c1c92126fd8cc88224c5c132a7440e8de1f1
SSDEEP

49152:6VUvYIW8zBQSc0ZnSKeZKumZr7A4iTBdx:BYP0ZncK/A4iFf

Score

10^/10

latrodectus loader persistence privilege_escalation

Malware Config

Extracted

Family

latrodectus

https://winarkamaps.com/live/

https://stratimasesstr.com/live/

Signatures

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

Detect larodectus Loader variant 2 3 IoCs

loader

resource	yara_rule
behavioral2/memory/1164-50-0x00000257DCA70000-0x00000257DCA84000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4428-68-0x000002F5041D0000-0x000002F5041E4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4428-69-0x000002F5041D0000-0x000002F5041E4000-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)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	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)	\??\E:	msiexec.exe
File opened (read-only)	\??\B:	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)	\??\G:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI11C1.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\e580c6f.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIDA8.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\SourceHash{047DE866-B607-4C89-980D-D3B11925F8D7}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIE26.tmp	msiexec.exe
File created	C:\Windows\Installer\e580c6f.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\MSICCC.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
5048	MSI11C1.tmp

Loads dropped DLL 10 IoCs

pid	Process
4736	MsiExec.exe
4736	MsiExec.exe
4736	MsiExec.exe
4736	MsiExec.exe
4736	MsiExec.exe
4736	MsiExec.exe
4724	MsiExec.exe
4724	MsiExec.exe
1164	rundll32.exe
4428	rundll32.exe

Event Triggered Execution: Installer Packages 1 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

pid	Process
4868	msiexec.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 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
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

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3232	msiexec.exe
3232	msiexec.exe
5048	MSI11C1.tmp
5048	MSI11C1.tmp
1164	rundll32.exe
1164	rundll32.exe
1164	rundll32.exe
1164	rundll32.exe
4428	rundll32.exe
4428	rundll32.exe
4428	rundll32.exe
4428	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4868	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4868	msiexec.exe
Token: SeSecurityPrivilege	3232	msiexec.exe
Token: SeCreateTokenPrivilege	4868	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4868	msiexec.exe
Token: SeLockMemoryPrivilege	4868	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4868	msiexec.exe
Token: SeMachineAccountPrivilege	4868	msiexec.exe
Token: SeTcbPrivilege	4868	msiexec.exe
Token: SeSecurityPrivilege	4868	msiexec.exe
Token: SeTakeOwnershipPrivilege	4868	msiexec.exe
Token: SeLoadDriverPrivilege	4868	msiexec.exe
Token: SeSystemProfilePrivilege	4868	msiexec.exe
Token: SeSystemtimePrivilege	4868	msiexec.exe
Token: SeProfSingleProcessPrivilege	4868	msiexec.exe
Token: SeIncBasePriorityPrivilege	4868	msiexec.exe
Token: SeCreatePagefilePrivilege	4868	msiexec.exe
Token: SeCreatePermanentPrivilege	4868	msiexec.exe
Token: SeBackupPrivilege	4868	msiexec.exe
Token: SeRestorePrivilege	4868	msiexec.exe
Token: SeShutdownPrivilege	4868	msiexec.exe
Token: SeDebugPrivilege	4868	msiexec.exe
Token: SeAuditPrivilege	4868	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4868	msiexec.exe
Token: SeChangeNotifyPrivilege	4868	msiexec.exe
Token: SeRemoteShutdownPrivilege	4868	msiexec.exe
Token: SeUndockPrivilege	4868	msiexec.exe
Token: SeSyncAgentPrivilege	4868	msiexec.exe
Token: SeEnableDelegationPrivilege	4868	msiexec.exe
Token: SeManageVolumePrivilege	4868	msiexec.exe
Token: SeImpersonatePrivilege	4868	msiexec.exe
Token: SeCreateGlobalPrivilege	4868	msiexec.exe
Token: SeCreateTokenPrivilege	4868	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4868	msiexec.exe
Token: SeLockMemoryPrivilege	4868	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4868	msiexec.exe
Token: SeMachineAccountPrivilege	4868	msiexec.exe
Token: SeTcbPrivilege	4868	msiexec.exe
Token: SeSecurityPrivilege	4868	msiexec.exe
Token: SeTakeOwnershipPrivilege	4868	msiexec.exe
Token: SeLoadDriverPrivilege	4868	msiexec.exe
Token: SeSystemProfilePrivilege	4868	msiexec.exe
Token: SeSystemtimePrivilege	4868	msiexec.exe
Token: SeProfSingleProcessPrivilege	4868	msiexec.exe
Token: SeIncBasePriorityPrivilege	4868	msiexec.exe
Token: SeCreatePagefilePrivilege	4868	msiexec.exe
Token: SeCreatePermanentPrivilege	4868	msiexec.exe
Token: SeBackupPrivilege	4868	msiexec.exe
Token: SeRestorePrivilege	4868	msiexec.exe
Token: SeShutdownPrivilege	4868	msiexec.exe
Token: SeDebugPrivilege	4868	msiexec.exe
Token: SeAuditPrivilege	4868	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4868	msiexec.exe
Token: SeChangeNotifyPrivilege	4868	msiexec.exe
Token: SeRemoteShutdownPrivilege	4868	msiexec.exe
Token: SeUndockPrivilege	4868	msiexec.exe
Token: SeSyncAgentPrivilege	4868	msiexec.exe
Token: SeEnableDelegationPrivilege	4868	msiexec.exe
Token: SeManageVolumePrivilege	4868	msiexec.exe
Token: SeImpersonatePrivilege	4868	msiexec.exe
Token: SeCreateGlobalPrivilege	4868	msiexec.exe
Token: SeCreateTokenPrivilege	4868	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4868	msiexec.exe
Token: SeLockMemoryPrivilege	4868	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4868	msiexec.exe
4868	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 4736	3232	msiexec.exe	86
PID 3232 wrote to memory of 4736	3232	msiexec.exe	86
PID 3232 wrote to memory of 4736	3232	msiexec.exe	86
PID 3232 wrote to memory of 2520	3232	msiexec.exe	92
PID 3232 wrote to memory of 2520	3232	msiexec.exe	92
PID 3232 wrote to memory of 4724	3232	msiexec.exe	94
PID 3232 wrote to memory of 4724	3232	msiexec.exe	94
PID 3232 wrote to memory of 4724	3232	msiexec.exe	94
PID 3232 wrote to memory of 5048	3232	msiexec.exe	95
PID 3232 wrote to memory of 5048	3232	msiexec.exe	95
PID 3232 wrote to memory of 5048	3232	msiexec.exe	95
PID 1164 wrote to memory of 4428	1164	rundll32.exe	97
PID 1164 wrote to memory of 4428	1164	rundll32.exe	97

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\08075e8a6dcc6a5fca089348edbd5fc07b2b0b26a26a46e0dd401121fdaa88d3.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4868

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:3232
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 3F4E0F0239442EF9E71208DA62B5A650 C
  2⤵
  - Loads dropped DLL
  PID:4736
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:2520
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding C7F7F5DEEC52B04D863C76F1665F1F0D
  2⤵
  - Loads dropped DLL
  PID:4724
- C:\Windows\Installer\MSI11C1.tmp
  "C:\Windows\Installer\MSI11C1.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\digistamp\360Util.dll, homq
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:5048

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:3568

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\digistamp\360Util.dll, homq
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_426632be.dll", homq
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:4428

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

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\e580c70.rbs

Filesize
1KB

MD5
758217f6f2eef71b51c959b7cc0ab0a9

SHA1
f368d6d8b3a0f7f99d764b51a817a6eb350edefc

SHA256
93dae3b6540ca05733b3cfe18433bd70f6dd49feca9d7216b0892a39455e9359

SHA512
bec7c664db50f2e788d87e06a2493c6d8bb7c2590ba6de42b53076d0925801001ab6b9bd71e7c5a6066ecafca9dc99b0885cb51ab17e9afe5d843810a766e83f

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSID92A.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Users\Admin\AppData\Local\digistamp\360Util.dll

Filesize
895KB

MD5
d158665d5beda7f0fd02fe0a0b78d0a3

SHA1
2decd5a2fb6f85414a2b7b0c0d314a60c517e562

SHA256
8ed1ba513b298c2dea57d5d47b3bdb8dc3d622e8e8b64ed244633ae8ccab8cfc

SHA512
78499c3d04d7cc2a24aaead4644530647f8c6d5ce5fb03fa88b99f58429d86208371a92e138405948c47ff7672fc37bc3418f52d2b1ff924c262b207c8785b18

Download Submit
C:\Windows\Installer\MSI11C1.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
ba9517aba2e9ea518fbfb7faf1192201

SHA1
d3158105732a2c1dee200c7ef433f0f5faeb7f44

SHA256
d80dd8482d1b2941cf79982fdd1cdf65d2c041685b873c39a124fbcafa1d663d

SHA512
c332ccc617583147e4f09529afce94b7d4e75b11949a0c8a2f86b5ef5f1d73ad14b21d6b0aaa8435570212639a6242bfa877339854918021ccd9f2380cb218bf

Download Submit
\??\Volume{1d5b03bd-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{b43f47f8-86ac-4d9f-917d-a60c6c8a593e}_OnDiskSnapshotProp

Filesize
6KB

MD5
477358b4990ceadc7e6a2c2d0342779f

SHA1
6b5fa21587d292e8f13ad6cc6740529442f63c8b

SHA256
0432c7f63be5ffa17fdb77aa7b6195ad1c5b5bd85fa78923629a18d5e27c4d77

SHA512
f62aba0db6b00c3759dc90972a2daac4e95b3a3c595fde20f7c1bad440918e93cfdee7cd39d334cb8db0311a635a28378f50a341bb216d2846dd72ce21d99459

Download Submit
memory/1164-49-0x0000000180000000-0x0000000180186000-memory.dmp

Filesize
1.5MB

Download
memory/1164-50-0x00000257DCA70000-0x00000257DCA84000-memory.dmp

Filesize
80KB

Download
memory/1164-55-0x0000000180000000-0x0000000180186000-memory.dmp

Filesize
1.5MB

Download
memory/4428-56-0x0000000180000000-0x0000000180186000-memory.dmp

Filesize
1.5MB

Download
memory/4428-68-0x000002F5041D0000-0x000002F5041E4000-memory.dmp

Filesize
80KB

Download
memory/4428-69-0x000002F5041D0000-0x000002F5041E4000-memory.dmp

Filesize
80KB

Download