latrodectus | b9dbe9649c761b0eee38419ac39dcd7e90486ee34cd0eb56adde6b2f645f2960

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 11:43

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General

Target

slack.msi
Size

1.5MB
MD5

3703f47cfa7ce06c14374f173c68daf0
SHA1

11826292538317a69ffffac6fde43418af10c91c
SHA256

b9dbe9649c761b0eee38419ac39dcd7e90486ee34cd0eb56adde6b2f645f2960
SHA512

8126b9819d588253588b360b21a8ec0fbf12e90f7d7c7d8f01c81b730d7993409ef4c7ce044b3bdc066f745d4fd471fb2bd93fb7d8e7565f67d4e086622dce4b
SSDEEP

24576:dFdxLNvYBSMvZCFlp8zBQSc0ZoCvqKwx0ECIgYmfLVYeBZr7AmAyTicXFyiYlHfe:dFtvY/W8zBQSc0ZnSKeZKumZr7AByIi+

Score

10^/10

latrodectus discovery loader persistence privilege_escalation

Malware Config

Extracted

Family

latrodectus

https://titnovacrion.top/live/

https://skinnyjeanso.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
behavioral1/memory/5032-48-0x0000024A374B0000-0x0000024A374C4000-memory.dmp	family_latrodectus_v2
behavioral1/memory/1640-66-0x000001FD01550000-0x000001FD01564000-memory.dmp	family_latrodectus_v2
behavioral1/memory/1640-67-0x000001FD01550000-0x000001FD01564000-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)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	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)	\??\H:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
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)	\??\W:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\e57f201.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF474.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF4E2.tmp	msiexec.exe
File created	C:\Windows\Installer\e57f201.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\MSIF29D.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF34A.tmp	msiexec.exe
File created	C:\Windows\Installer\SourceHash{9ED9545C-B8D6-44B7-9F95-C34BF6189509}	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
2904	MSIF4E2.tmp

Loads dropped DLL 10 IoCs

pid	Process
924	MsiExec.exe
924	MsiExec.exe
924	MsiExec.exe
924	MsiExec.exe
924	MsiExec.exe
924	MsiExec.exe
1292	MsiExec.exe
1292	MsiExec.exe
5032	rundll32.exe
1640	rundll32.exe

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

Msiexec

T1218.007

pid	Process
2692	msiexec.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSIF4E2.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

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
3644	msiexec.exe
3644	msiexec.exe
2904	MSIF4E2.tmp
2904	MSIF4E2.tmp
5032	rundll32.exe
5032	rundll32.exe
5032	rundll32.exe
5032	rundll32.exe
1640	rundll32.exe
1640	rundll32.exe
1640	rundll32.exe
1640	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2692	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2692	msiexec.exe
Token: SeSecurityPrivilege	3644	msiexec.exe
Token: SeCreateTokenPrivilege	2692	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2692	msiexec.exe
Token: SeLockMemoryPrivilege	2692	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2692	msiexec.exe
Token: SeMachineAccountPrivilege	2692	msiexec.exe
Token: SeTcbPrivilege	2692	msiexec.exe
Token: SeSecurityPrivilege	2692	msiexec.exe
Token: SeTakeOwnershipPrivilege	2692	msiexec.exe
Token: SeLoadDriverPrivilege	2692	msiexec.exe
Token: SeSystemProfilePrivilege	2692	msiexec.exe
Token: SeSystemtimePrivilege	2692	msiexec.exe
Token: SeProfSingleProcessPrivilege	2692	msiexec.exe
Token: SeIncBasePriorityPrivilege	2692	msiexec.exe
Token: SeCreatePagefilePrivilege	2692	msiexec.exe
Token: SeCreatePermanentPrivilege	2692	msiexec.exe
Token: SeBackupPrivilege	2692	msiexec.exe
Token: SeRestorePrivilege	2692	msiexec.exe
Token: SeShutdownPrivilege	2692	msiexec.exe
Token: SeDebugPrivilege	2692	msiexec.exe
Token: SeAuditPrivilege	2692	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2692	msiexec.exe
Token: SeChangeNotifyPrivilege	2692	msiexec.exe
Token: SeRemoteShutdownPrivilege	2692	msiexec.exe
Token: SeUndockPrivilege	2692	msiexec.exe
Token: SeSyncAgentPrivilege	2692	msiexec.exe
Token: SeEnableDelegationPrivilege	2692	msiexec.exe
Token: SeManageVolumePrivilege	2692	msiexec.exe
Token: SeImpersonatePrivilege	2692	msiexec.exe
Token: SeCreateGlobalPrivilege	2692	msiexec.exe
Token: SeCreateTokenPrivilege	2692	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2692	msiexec.exe
Token: SeLockMemoryPrivilege	2692	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2692	msiexec.exe
Token: SeMachineAccountPrivilege	2692	msiexec.exe
Token: SeTcbPrivilege	2692	msiexec.exe
Token: SeSecurityPrivilege	2692	msiexec.exe
Token: SeTakeOwnershipPrivilege	2692	msiexec.exe
Token: SeLoadDriverPrivilege	2692	msiexec.exe
Token: SeSystemProfilePrivilege	2692	msiexec.exe
Token: SeSystemtimePrivilege	2692	msiexec.exe
Token: SeProfSingleProcessPrivilege	2692	msiexec.exe
Token: SeIncBasePriorityPrivilege	2692	msiexec.exe
Token: SeCreatePagefilePrivilege	2692	msiexec.exe
Token: SeCreatePermanentPrivilege	2692	msiexec.exe
Token: SeBackupPrivilege	2692	msiexec.exe
Token: SeRestorePrivilege	2692	msiexec.exe
Token: SeShutdownPrivilege	2692	msiexec.exe
Token: SeDebugPrivilege	2692	msiexec.exe
Token: SeAuditPrivilege	2692	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2692	msiexec.exe
Token: SeChangeNotifyPrivilege	2692	msiexec.exe
Token: SeRemoteShutdownPrivilege	2692	msiexec.exe
Token: SeUndockPrivilege	2692	msiexec.exe
Token: SeSyncAgentPrivilege	2692	msiexec.exe
Token: SeEnableDelegationPrivilege	2692	msiexec.exe
Token: SeManageVolumePrivilege	2692	msiexec.exe
Token: SeImpersonatePrivilege	2692	msiexec.exe
Token: SeCreateGlobalPrivilege	2692	msiexec.exe
Token: SeCreateTokenPrivilege	2692	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2692	msiexec.exe
Token: SeLockMemoryPrivilege	2692	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2692	msiexec.exe
2692	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 924	3644	msiexec.exe	87
PID 3644 wrote to memory of 924	3644	msiexec.exe	87
PID 3644 wrote to memory of 924	3644	msiexec.exe	87
PID 3644 wrote to memory of 4884	3644	msiexec.exe	100
PID 3644 wrote to memory of 4884	3644	msiexec.exe	100
PID 3644 wrote to memory of 1292	3644	msiexec.exe	102
PID 3644 wrote to memory of 1292	3644	msiexec.exe	102
PID 3644 wrote to memory of 1292	3644	msiexec.exe	102
PID 3644 wrote to memory of 2904	3644	msiexec.exe	103
PID 3644 wrote to memory of 2904	3644	msiexec.exe	103
PID 3644 wrote to memory of 2904	3644	msiexec.exe	103
PID 5032 wrote to memory of 1640	5032	rundll32.exe	105
PID 5032 wrote to memory of 1640	5032	rundll32.exe	105

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\slack.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2692

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:3644
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding B8653BF86F24C48FD231251CC89D4D40 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:924
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4884
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding AFA35A7C997E6C37E7E47DC7B6D55569
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1292
- C:\Windows\Installer\MSIF4E2.tmp
  "C:\Windows\Installer\MSIF4E2.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\digistamp\mbae-api-na.dll, homi
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2904

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:4832

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\digistamp\mbae-api-na.dll, homi
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_393820d1.dll", homi
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1640

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

Replay Monitor

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Downloads

C:\Config.Msi\e57f202.rbs

Filesize
1KB

MD5
1ac2adf3d8def7a53fb549ce376d75da

SHA1
9f59272e598a4115d4a804565d7b1e7651cc9cca

SHA256
c933a0ed981ee87257c0a6258da4843e52877623595ffc0feecf470e5b7fe54e

SHA512
15978e3f280006e66af4905f10b50dde4ae56d4649dee53b193258734713f2fef83241fa2fdcfe74c076686ceb35bcfda846063da9d0c775c83f0b14c9816547

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSIA911.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Users\Admin\AppData\Local\digistamp\mbae-api-na.dll

Filesize
740KB

MD5
f46e75eb89214e2fbb850b9d29b9f515

SHA1
1f35835a08f96fd9198864b8ded5baa1a27db710

SHA256
9856b816a9d14d3b7db32f30b07624e4bcda7f1e265a7bb7a3e3476bfd54a759

SHA512
9168a57de11da133d0ba98c8b7491520e9c75ad4678a5ac11e9220e483bcf7a2b9cc868ffc19de60094e87a5059303d20bd1f4a30c4f567ab4c3237f5f4c520d

Download Submit
C:\Windows\Installer\MSIF4E2.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
481a0170f7f1e2938ba9c33f38c2fca6

SHA1
3e5380ff7885d1a9fcf932dd2e81a0240370b035

SHA256
9d8ae7ebdafeb35231722a8df0f5dbac581592f4e62c97c279fb1bd7dc315dda

SHA512
172fdf38d442ceb4a6f15fa470de6cf13a021cb37e9711848deba0065d949f08bf8336fbdd7025c3425ae38d69c1c99c4debbbc0c7d8085f81c088b451790fc0

Download Submit
\??\Volume{1a5e5195-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{75d442aa-9871-4fb8-b360-519d4007a494}_OnDiskSnapshotProp

Filesize
6KB

MD5
5d39d7fad0daaeda3cb268e701d6fb62

SHA1
6c261712d7bf3d4f1a8e6352b37225b0cb0abee7

SHA256
ba10534673f7ce103cdffa0ad4c363363f1cb0ab5a0aecae1e2a35b6cda27cc1

SHA512
244daa08c03bd127d0705268b2db42f7a8b12916957758aeca905a6a5a650319da1d1a038cd5acf326c42267dd96453db184637db63e63b6e4bacb2166b02940

Download Submit
memory/1640-54-0x0000000180000000-0x00000001800BF000-memory.dmp

Filesize
764KB

Download
memory/1640-66-0x000001FD01550000-0x000001FD01564000-memory.dmp

Filesize
80KB

Download
memory/1640-67-0x000001FD01550000-0x000001FD01564000-memory.dmp

Filesize
80KB

Download
memory/5032-47-0x0000000180000000-0x00000001800BF000-memory.dmp

Filesize
764KB

Download
memory/5032-48-0x0000024A374B0000-0x0000024A374C4000-memory.dmp

Filesize
80KB

Download
memory/5032-52-0x0000000180000000-0x00000001800BF000-memory.dmp

Filesize
764KB

Download