latrodectus | dfe4c07ad337c05558f831d5a78b5fd4137015eb440498e0b2e0f401a1642a07

Analysis

max time kernel
66s
max time network
55s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01-05-2024 02:02

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General

Target

a9fa025fe912c8ad5e6566c675e045732c4d89f4187bfd94c4e916dd9fe25417.msi
Size

1.3MB
MD5

f83ed040b4e52088817df73ef51fe0d3
SHA1

3d011c54ae9a66ef2a865afd694712b338feed5d
SHA256

a9fa025fe912c8ad5e6566c675e045732c4d89f4187bfd94c4e916dd9fe25417
SHA512

c4fe6171f4590a3f588bba5818d05ed525619fc3333f911ea785bebea11788f144b71974254f6dbf270a2b89f9c21698d882d378274cf63005223fe5618d15f0
SSDEEP

24576:ezTxLN3YlMvZCFlp8zBQSc0ZoCvqKox0ECIgYmfLVYeBZr7AL7EveuFPY:ezz3YuW8zBQSc0ZnSKmZKumZr7AfEvLY

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://jarinamaers.shop/live/

https://startmast.shop/live/

Signatures

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

Detect larodectus Loader variant 2 1 IoCs

loader

resource	yara_rule
behavioral2/memory/3056-62-0x000001C644D90000-0x000001C644DA4000-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)	\??\M:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\O:	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)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\e576793.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\SourceHash{29A8861A-C6FC-4DA7-A825-218C6068F28B}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI68FD.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI69B9.tmp	msiexec.exe
File created	C:\Windows\Installer\e576793.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\MSI67D2.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI6850.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	MSI69B9.tmp

Loads dropped DLL 10 IoCs

pid	Process
1740	MsiExec.exe
1740	MsiExec.exe
1740	MsiExec.exe
1740	MsiExec.exe
1740	MsiExec.exe
1740	MsiExec.exe
2856	MsiExec.exe
2856	MsiExec.exe
4568	rundll32.exe
3056	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
3592	msiexec.exe
3592	msiexec.exe
2376	MSI69B9.tmp
2376	MSI69B9.tmp
4568	rundll32.exe
4568	rundll32.exe
4568	rundll32.exe
4568	rundll32.exe
3056	rundll32.exe
3056	rundll32.exe
3056	rundll32.exe
3056	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	5052	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5052	msiexec.exe
Token: SeSecurityPrivilege	3592	msiexec.exe
Token: SeCreateTokenPrivilege	5052	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5052	msiexec.exe
Token: SeLockMemoryPrivilege	5052	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5052	msiexec.exe
Token: SeMachineAccountPrivilege	5052	msiexec.exe
Token: SeTcbPrivilege	5052	msiexec.exe
Token: SeSecurityPrivilege	5052	msiexec.exe
Token: SeTakeOwnershipPrivilege	5052	msiexec.exe
Token: SeLoadDriverPrivilege	5052	msiexec.exe
Token: SeSystemProfilePrivilege	5052	msiexec.exe
Token: SeSystemtimePrivilege	5052	msiexec.exe
Token: SeProfSingleProcessPrivilege	5052	msiexec.exe
Token: SeIncBasePriorityPrivilege	5052	msiexec.exe
Token: SeCreatePagefilePrivilege	5052	msiexec.exe
Token: SeCreatePermanentPrivilege	5052	msiexec.exe
Token: SeBackupPrivilege	5052	msiexec.exe
Token: SeRestorePrivilege	5052	msiexec.exe
Token: SeShutdownPrivilege	5052	msiexec.exe
Token: SeDebugPrivilege	5052	msiexec.exe
Token: SeAuditPrivilege	5052	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5052	msiexec.exe
Token: SeChangeNotifyPrivilege	5052	msiexec.exe
Token: SeRemoteShutdownPrivilege	5052	msiexec.exe
Token: SeUndockPrivilege	5052	msiexec.exe
Token: SeSyncAgentPrivilege	5052	msiexec.exe
Token: SeEnableDelegationPrivilege	5052	msiexec.exe
Token: SeManageVolumePrivilege	5052	msiexec.exe
Token: SeImpersonatePrivilege	5052	msiexec.exe
Token: SeCreateGlobalPrivilege	5052	msiexec.exe
Token: SeCreateTokenPrivilege	5052	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5052	msiexec.exe
Token: SeLockMemoryPrivilege	5052	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5052	msiexec.exe
Token: SeMachineAccountPrivilege	5052	msiexec.exe
Token: SeTcbPrivilege	5052	msiexec.exe
Token: SeSecurityPrivilege	5052	msiexec.exe
Token: SeTakeOwnershipPrivilege	5052	msiexec.exe
Token: SeLoadDriverPrivilege	5052	msiexec.exe
Token: SeSystemProfilePrivilege	5052	msiexec.exe
Token: SeSystemtimePrivilege	5052	msiexec.exe
Token: SeProfSingleProcessPrivilege	5052	msiexec.exe
Token: SeIncBasePriorityPrivilege	5052	msiexec.exe
Token: SeCreatePagefilePrivilege	5052	msiexec.exe
Token: SeCreatePermanentPrivilege	5052	msiexec.exe
Token: SeBackupPrivilege	5052	msiexec.exe
Token: SeRestorePrivilege	5052	msiexec.exe
Token: SeShutdownPrivilege	5052	msiexec.exe
Token: SeDebugPrivilege	5052	msiexec.exe
Token: SeAuditPrivilege	5052	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5052	msiexec.exe
Token: SeChangeNotifyPrivilege	5052	msiexec.exe
Token: SeRemoteShutdownPrivilege	5052	msiexec.exe
Token: SeUndockPrivilege	5052	msiexec.exe
Token: SeSyncAgentPrivilege	5052	msiexec.exe
Token: SeEnableDelegationPrivilege	5052	msiexec.exe
Token: SeManageVolumePrivilege	5052	msiexec.exe
Token: SeImpersonatePrivilege	5052	msiexec.exe
Token: SeCreateGlobalPrivilege	5052	msiexec.exe
Token: SeCreateTokenPrivilege	5052	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5052	msiexec.exe
Token: SeLockMemoryPrivilege	5052	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5052	msiexec.exe
5052	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 1740	3592	msiexec.exe	87
PID 3592 wrote to memory of 1740	3592	msiexec.exe	87
PID 3592 wrote to memory of 1740	3592	msiexec.exe	87
PID 3592 wrote to memory of 4032	3592	msiexec.exe	94
PID 3592 wrote to memory of 4032	3592	msiexec.exe	94
PID 3592 wrote to memory of 2856	3592	msiexec.exe	96
PID 3592 wrote to memory of 2856	3592	msiexec.exe	96
PID 3592 wrote to memory of 2856	3592	msiexec.exe	96
PID 3592 wrote to memory of 2376	3592	msiexec.exe	97
PID 3592 wrote to memory of 2376	3592	msiexec.exe	97
PID 3592 wrote to memory of 2376	3592	msiexec.exe	97
PID 4568 wrote to memory of 3056	4568	rundll32.exe	99
PID 4568 wrote to memory of 3056	4568	rundll32.exe	99

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\a9fa025fe912c8ad5e6566c675e045732c4d89f4187bfd94c4e916dd9fe25417.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:5052

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:3592
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 814F7C66C5AE8B8A1CC7AF7177464666 C
  2⤵
  - Loads dropped DLL
  PID:1740
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4032
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 2FD24A723E956339047864FD423960C4
  2⤵
  - Loads dropped DLL
  PID:2856
- C:\Windows\Installer\MSI69B9.tmp
  "C:\Windows\Installer\MSI69B9.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\glosar\beta.dll, homq
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2376

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:772

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\glosar\beta.dll, homq
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_f8571f7.dll", homq
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:3056

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\e576794.rbs

Filesize
1KB

MD5
a219c515de48e1ef24e5362ed0727931

SHA1
8c5f7e12cb7508c2796da696825c07b7baf86eb3

SHA256
f6105cd177f64021cf58a78752db5c82b63f62087856469bc6744aa3d8d0ff45

SHA512
97f5ac74323f8983f3f15fad6ef2fc4b9ba0ecdfb7b1914d056cc333c45cd0678ff9841ee45ae677194e91054acb2ab3540d3f7cea9b5f6d14ad874c2c19540a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI2EE0.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Users\Admin\AppData\Local\glosar\beta.dll

Filesize
364KB

MD5
a1c84c14a82f2cbb7e9a5f253d721159

SHA1
3aa5e70111c290c45daac06984281dfb5439115b

SHA256
53e65d071870f127bc6bf6c8e8ddfd131558153513976744ee7460eeb766d081

SHA512
f76691853fa45d93246dfd8569af5ec7e66fdd7536241b92ee10bb9202b0502e66dfd030fe539956fb28fe20e71b33cae524038c356facf555d4a130c64665ed

Download Submit
C:\Windows\Installer\MSI69B9.tmp

Filesize
389KB

MD5
b9545ed17695a32face8c3408a6a3553

SHA1
f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

SHA256
1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

SHA512
f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

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

Filesize
24.1MB

MD5
c62d41c3446863e12ea3688930260b31

SHA1
938658196c3a2625acb05229eeb24d51d1717b7d

SHA256
9ca688fea21b3d91e443cad73cb0608af77b5999073e59d248563490039e60eb

SHA512
e864c3b67324612578d51c7c537c907684632bbbb347228ef869bc8d97b738b01d9343af72764f924a6e4881a0aa0bb89225f9af7b7d635923c789aa29aac686

Download Submit
\??\Volume{42d85be4-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{65541368-1443-442b-8798-273c84d37ec7}_OnDiskSnapshotProp

Filesize
6KB

MD5
ef6aa04cd99b1ca0ac6e4eeb61647cb5

SHA1
8aebaac7b930c1032ec06526cdea05f02a40322b

SHA256
d18adb5eba5d9fb395fb8db9c8084e89ae3eac32e2dcca60152bd5f2a6fc7879

SHA512
2439c34ac18ccf65c64c6746c1e9d47b081fbcd60ed1067fb46a16105e612c9cc04640e5d7bf2489cf0d707dff7b783a0574e730e4679a3941c556656c549a15

Download Submit
memory/3056-62-0x000001C644D90000-0x000001C644DA4000-memory.dmp

Filesize
80KB

Download
memory/4568-48-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download