latrodectus | a9fa025fe912c8ad5e6566c675e045732c4d89f4187bfd94c4e916dd9fe25417

Analysis

max time kernel
56s
max time network
53s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
30/04/2024, 09:00

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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/4920-60-0x000001EA3F080000-0x000001EA3F094000-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)	\??\U:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	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)	\??\M:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\B:	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)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\J:	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)	\??\E:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e576c85.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI6CC4.tmp	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\MSI6DCF.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI6E1E.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\e576c85.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\MSI6D22.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
4648	MSI6E1E.tmp

Loads dropped DLL 10 IoCs

pid	Process
1856	MsiExec.exe
1856	MsiExec.exe
1856	MsiExec.exe
1856	MsiExec.exe
1856	MsiExec.exe
1856	MsiExec.exe
3672	MsiExec.exe
3672	MsiExec.exe
3740	rundll32.exe
4920	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 = 0000000004000000828eb54ef8e6371f0000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000c01200000000ffffffff000000002701010000080000828eb54e0000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d01200000000000020ed3a000000ffffffff000000000700010000680900828eb54e000000000000d012000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ff3a0000000000000005000000ffffffff000000000700010000f87f1d828eb54e000000000000f0ff3a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff000000000000000000000000828eb54e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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
4356	msiexec.exe
4356	msiexec.exe
4648	MSI6E1E.tmp
4648	MSI6E1E.tmp
3740	rundll32.exe
3740	rundll32.exe
3740	rundll32.exe
3740	rundll32.exe
4920	rundll32.exe
4920	rundll32.exe
4920	rundll32.exe
4920	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	5108	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5108	msiexec.exe
Token: SeSecurityPrivilege	4356	msiexec.exe
Token: SeCreateTokenPrivilege	5108	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5108	msiexec.exe
Token: SeLockMemoryPrivilege	5108	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5108	msiexec.exe
Token: SeMachineAccountPrivilege	5108	msiexec.exe
Token: SeTcbPrivilege	5108	msiexec.exe
Token: SeSecurityPrivilege	5108	msiexec.exe
Token: SeTakeOwnershipPrivilege	5108	msiexec.exe
Token: SeLoadDriverPrivilege	5108	msiexec.exe
Token: SeSystemProfilePrivilege	5108	msiexec.exe
Token: SeSystemtimePrivilege	5108	msiexec.exe
Token: SeProfSingleProcessPrivilege	5108	msiexec.exe
Token: SeIncBasePriorityPrivilege	5108	msiexec.exe
Token: SeCreatePagefilePrivilege	5108	msiexec.exe
Token: SeCreatePermanentPrivilege	5108	msiexec.exe
Token: SeBackupPrivilege	5108	msiexec.exe
Token: SeRestorePrivilege	5108	msiexec.exe
Token: SeShutdownPrivilege	5108	msiexec.exe
Token: SeDebugPrivilege	5108	msiexec.exe
Token: SeAuditPrivilege	5108	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5108	msiexec.exe
Token: SeChangeNotifyPrivilege	5108	msiexec.exe
Token: SeRemoteShutdownPrivilege	5108	msiexec.exe
Token: SeUndockPrivilege	5108	msiexec.exe
Token: SeSyncAgentPrivilege	5108	msiexec.exe
Token: SeEnableDelegationPrivilege	5108	msiexec.exe
Token: SeManageVolumePrivilege	5108	msiexec.exe
Token: SeImpersonatePrivilege	5108	msiexec.exe
Token: SeCreateGlobalPrivilege	5108	msiexec.exe
Token: SeCreateTokenPrivilege	5108	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5108	msiexec.exe
Token: SeLockMemoryPrivilege	5108	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5108	msiexec.exe
Token: SeMachineAccountPrivilege	5108	msiexec.exe
Token: SeTcbPrivilege	5108	msiexec.exe
Token: SeSecurityPrivilege	5108	msiexec.exe
Token: SeTakeOwnershipPrivilege	5108	msiexec.exe
Token: SeLoadDriverPrivilege	5108	msiexec.exe
Token: SeSystemProfilePrivilege	5108	msiexec.exe
Token: SeSystemtimePrivilege	5108	msiexec.exe
Token: SeProfSingleProcessPrivilege	5108	msiexec.exe
Token: SeIncBasePriorityPrivilege	5108	msiexec.exe
Token: SeCreatePagefilePrivilege	5108	msiexec.exe
Token: SeCreatePermanentPrivilege	5108	msiexec.exe
Token: SeBackupPrivilege	5108	msiexec.exe
Token: SeRestorePrivilege	5108	msiexec.exe
Token: SeShutdownPrivilege	5108	msiexec.exe
Token: SeDebugPrivilege	5108	msiexec.exe
Token: SeAuditPrivilege	5108	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5108	msiexec.exe
Token: SeChangeNotifyPrivilege	5108	msiexec.exe
Token: SeRemoteShutdownPrivilege	5108	msiexec.exe
Token: SeUndockPrivilege	5108	msiexec.exe
Token: SeSyncAgentPrivilege	5108	msiexec.exe
Token: SeEnableDelegationPrivilege	5108	msiexec.exe
Token: SeManageVolumePrivilege	5108	msiexec.exe
Token: SeImpersonatePrivilege	5108	msiexec.exe
Token: SeCreateGlobalPrivilege	5108	msiexec.exe
Token: SeCreateTokenPrivilege	5108	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5108	msiexec.exe
Token: SeLockMemoryPrivilege	5108	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5108	msiexec.exe
5108	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 1856	4356	msiexec.exe	87
PID 4356 wrote to memory of 1856	4356	msiexec.exe	87
PID 4356 wrote to memory of 1856	4356	msiexec.exe	87
PID 4356 wrote to memory of 4272	4356	msiexec.exe	93
PID 4356 wrote to memory of 4272	4356	msiexec.exe	93
PID 4356 wrote to memory of 3672	4356	msiexec.exe	95
PID 4356 wrote to memory of 3672	4356	msiexec.exe	95
PID 4356 wrote to memory of 3672	4356	msiexec.exe	95
PID 4356 wrote to memory of 4648	4356	msiexec.exe	96
PID 4356 wrote to memory of 4648	4356	msiexec.exe	96
PID 4356 wrote to memory of 4648	4356	msiexec.exe	96
PID 3740 wrote to memory of 4920	3740	rundll32.exe	98
PID 3740 wrote to memory of 4920	3740	rundll32.exe	98

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:5108

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:4356
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding DA419AE8C5B98BB0F409BD94CC239571 C
  2⤵
  - Loads dropped DLL
  PID:1856
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4272
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding E69597EF51111EC09298D7421A6BC9C1
  2⤵
  - Loads dropped DLL
  PID:3672
- C:\Windows\Installer\MSI6E1E.tmp
  "C:\Windows\Installer\MSI6E1E.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\glosar\beta.dll, homq
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:4648

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:3904

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:3740
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_a14cd700.dll", homq
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:4920

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\e576c86.rbs

Filesize
1KB

MD5
0658d18f64c7ccab0822aa677bb0648f

SHA1
b460bdd47f5926eabe7fd62dd53c78d24fd91a53

SHA256
ebe8125a3b4fa33e0c2aba9e7220170fc7a84556ea72bd756aa63800358b1af1

SHA512
264dff10a8d4933ee4c32cca68d3714524c30ad72ae80e13b14a8b3c08cf38884345cc48727026ff77f236af21103d225719e62d5c0e1273d253ebdf8b3a000c

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI39EC.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\MSI6E1E.tmp

Filesize
389KB

MD5
b9545ed17695a32face8c3408a6a3553

SHA1
f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

SHA256
1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

SHA512
f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

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

Filesize
24.1MB

MD5
8dea01945a986ccb4c9a6e97b2622407

SHA1
cf5c94273df05860a5daa867abc05fde7ee85e62

SHA256
749f309958eb47edb1861ff4c678ac7a2655763399f021b004256361c3a97c8d

SHA512
5565722312d8106a8a27031afa213e9ffabcd91d272d5e8a2eac739c684e696d4f1b7e6a65ccdf0a393ffcdbabeb13f1722d803d7b0ea830bf590b6bffffc6b4

Download Submit
\??\Volume{4eb58e82-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{63d5cae0-9abc-4138-baf8-6c8a4722e918}_OnDiskSnapshotProp

Filesize
6KB

MD5
27ecc7222a76ce38afe40e141aec4f56

SHA1
a9150a943d1e9bdfc9e7e1634d233c8bd0b9cd66

SHA256
52d84dc97a935dbfe112c829269d38bbbb63abaf0764abee125f4a1d815dca72

SHA512
abe788b41179a3f0d708da3cdabfa2b8d0f8d4ca5f46c219b16fbd9018c9e433702f14ac44fa89aaf4f83ef8ae62475d13027601e85ac60a72255bd40d6b45cd

Download Submit
memory/3740-48-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/4920-60-0x000001EA3F080000-0x000001EA3F094000-memory.dmp

Filesize
80KB

Download