latrodectus | a9fa025fe912c8ad5e6566c675e045732c4d89f4187bfd94c4e916dd9fe25417

Analysis

max time kernel
66s
max time network
51s
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 01:45

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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/2432-62-0x000001D9C14C0000-0x000001D9C14D4000-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)	\??\G:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	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)	\??\B:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\Installer\SourceHash{29A8861A-C6FC-4DA7-A825-218C6068F28B}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI75FE.tmp	msiexec.exe
File created	C:\Windows\Installer\e577407.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e577407.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\MSI7465.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI74F2.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI7590.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
4768	MSI75FE.tmp

Loads dropped DLL 11 IoCs

pid	Process
796	MsiExec.exe
796	MsiExec.exe
796	MsiExec.exe
796	MsiExec.exe
796	MsiExec.exe
796	MsiExec.exe
1124	MsiExec.exe
1124	MsiExec.exe
4116	rundll32.exe
2432	rundll32.exe
4292	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 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 16 IoCs

pid	Process
2496	msiexec.exe
2496	msiexec.exe
4768	MSI75FE.tmp
4768	MSI75FE.tmp
4116	rundll32.exe
4116	rundll32.exe
4116	rundll32.exe
4116	rundll32.exe
2432	rundll32.exe
2432	rundll32.exe
2432	rundll32.exe
2432	rundll32.exe
4292	rundll32.exe
4292	rundll32.exe
4292	rundll32.exe
4292	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3380	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3380	msiexec.exe
Token: SeSecurityPrivilege	2496	msiexec.exe
Token: SeCreateTokenPrivilege	3380	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3380	msiexec.exe
Token: SeLockMemoryPrivilege	3380	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3380	msiexec.exe
Token: SeMachineAccountPrivilege	3380	msiexec.exe
Token: SeTcbPrivilege	3380	msiexec.exe
Token: SeSecurityPrivilege	3380	msiexec.exe
Token: SeTakeOwnershipPrivilege	3380	msiexec.exe
Token: SeLoadDriverPrivilege	3380	msiexec.exe
Token: SeSystemProfilePrivilege	3380	msiexec.exe
Token: SeSystemtimePrivilege	3380	msiexec.exe
Token: SeProfSingleProcessPrivilege	3380	msiexec.exe
Token: SeIncBasePriorityPrivilege	3380	msiexec.exe
Token: SeCreatePagefilePrivilege	3380	msiexec.exe
Token: SeCreatePermanentPrivilege	3380	msiexec.exe
Token: SeBackupPrivilege	3380	msiexec.exe
Token: SeRestorePrivilege	3380	msiexec.exe
Token: SeShutdownPrivilege	3380	msiexec.exe
Token: SeDebugPrivilege	3380	msiexec.exe
Token: SeAuditPrivilege	3380	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3380	msiexec.exe
Token: SeChangeNotifyPrivilege	3380	msiexec.exe
Token: SeRemoteShutdownPrivilege	3380	msiexec.exe
Token: SeUndockPrivilege	3380	msiexec.exe
Token: SeSyncAgentPrivilege	3380	msiexec.exe
Token: SeEnableDelegationPrivilege	3380	msiexec.exe
Token: SeManageVolumePrivilege	3380	msiexec.exe
Token: SeImpersonatePrivilege	3380	msiexec.exe
Token: SeCreateGlobalPrivilege	3380	msiexec.exe
Token: SeCreateTokenPrivilege	3380	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3380	msiexec.exe
Token: SeLockMemoryPrivilege	3380	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3380	msiexec.exe
Token: SeMachineAccountPrivilege	3380	msiexec.exe
Token: SeTcbPrivilege	3380	msiexec.exe
Token: SeSecurityPrivilege	3380	msiexec.exe
Token: SeTakeOwnershipPrivilege	3380	msiexec.exe
Token: SeLoadDriverPrivilege	3380	msiexec.exe
Token: SeSystemProfilePrivilege	3380	msiexec.exe
Token: SeSystemtimePrivilege	3380	msiexec.exe
Token: SeProfSingleProcessPrivilege	3380	msiexec.exe
Token: SeIncBasePriorityPrivilege	3380	msiexec.exe
Token: SeCreatePagefilePrivilege	3380	msiexec.exe
Token: SeCreatePermanentPrivilege	3380	msiexec.exe
Token: SeBackupPrivilege	3380	msiexec.exe
Token: SeRestorePrivilege	3380	msiexec.exe
Token: SeShutdownPrivilege	3380	msiexec.exe
Token: SeDebugPrivilege	3380	msiexec.exe
Token: SeAuditPrivilege	3380	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3380	msiexec.exe
Token: SeChangeNotifyPrivilege	3380	msiexec.exe
Token: SeRemoteShutdownPrivilege	3380	msiexec.exe
Token: SeUndockPrivilege	3380	msiexec.exe
Token: SeSyncAgentPrivilege	3380	msiexec.exe
Token: SeEnableDelegationPrivilege	3380	msiexec.exe
Token: SeManageVolumePrivilege	3380	msiexec.exe
Token: SeImpersonatePrivilege	3380	msiexec.exe
Token: SeCreateGlobalPrivilege	3380	msiexec.exe
Token: SeCreateTokenPrivilege	3380	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3380	msiexec.exe
Token: SeLockMemoryPrivilege	3380	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3380	msiexec.exe
3380	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 796	2496	msiexec.exe	86
PID 2496 wrote to memory of 796	2496	msiexec.exe	86
PID 2496 wrote to memory of 796	2496	msiexec.exe	86
PID 2496 wrote to memory of 3412	2496	msiexec.exe	93
PID 2496 wrote to memory of 3412	2496	msiexec.exe	93
PID 2496 wrote to memory of 1124	2496	msiexec.exe	95
PID 2496 wrote to memory of 1124	2496	msiexec.exe	95
PID 2496 wrote to memory of 1124	2496	msiexec.exe	95
PID 2496 wrote to memory of 4768	2496	msiexec.exe	96
PID 2496 wrote to memory of 4768	2496	msiexec.exe	96
PID 2496 wrote to memory of 4768	2496	msiexec.exe	96
PID 4116 wrote to memory of 2432	4116	rundll32.exe	98
PID 4116 wrote to memory of 2432	4116	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:3380

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:2496
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding B8B7CF0B4DB0B5C144CE0077E2020D45 C
  2⤵
  - Loads dropped DLL
  PID:796
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:3412
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding CE9ECC47CDF6DD3809F85DAD5C8E9CCF
  2⤵
  - Loads dropped DLL
  PID:1124
- C:\Windows\Installer\MSI75FE.tmp
  "C:\Windows\Installer\MSI75FE.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\glosar\beta.dll, homq
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:4768

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:1784

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:4116
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_9400da51.dll", homq
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2432

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_9400da51.dll", homq
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4292

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\e577408.rbs

Filesize
1KB

MD5
6c9475ab250eb521e49fe938515a6028

SHA1
3c30925fc81b2d095a5879d1d6875728f39254a7

SHA256
f2d5e7d196ccf8d5eab220d0c7cc44695243a2b3b573eee0124de240f0b734a6

SHA512
575d8db48e33ba655fc7ecbf24a29983e7a2ff4906d606491294b9583c65ed262b9e6821073961af7fd47064d6581f07aaecd858bcf2b3b6884dcf10f8582354

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI418D.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\MSI75FE.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
37276964e4c093077a5c4a0e9f2427ea

SHA1
235f85c0188da309f264f4efc986d854898313f6

SHA256
47134393ff9dd2f78c390c274b2078203c84dffc1c60a7862071577c38a1f0b3

SHA512
71288594fc9eb7ac86cb22cdd962124119f87f2a954791573bb5e44b2b82ad84738699271ac5141af9a5e05d06ac90b67757a77cffb2ae4be553a673d6c0421c

Download Submit
\??\Volume{bb0c4c32-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{6c006639-70ef-4b66-a13d-57fbd595fa53}_OnDiskSnapshotProp

Filesize
6KB

MD5
a7c21dad041a5ede406eb907a7ee5b81

SHA1
1847ec64d5e908f12cfbddcfd30956c8d32f3b2d

SHA256
f3d4fb90048c2eaebc9ce71820e1bf996d4e87bd624b332d168726ca156897c2

SHA512
e1022334304a591f03650518a536d1e6972624f14ad8b1a5f3776bb3d0dc1202a3f0a0010e22193f410612b25cd9fb14764ef8238b4f283757b5e1f7ac9090a6

Download Submit
memory/2432-62-0x000001D9C14C0000-0x000001D9C14D4000-memory.dmp

Filesize
80KB

Download
memory/4116-48-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download