latrodectus | de29ff5d531e11ec17eaa1abfb75c3cdf7c2e3e37bfbae61711aee41f20118b0

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
02-04-2024 16:01

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General

Target

de29ff5d531e11ec17eaa1abfb75c3cdf7c2e3e37bfbae61711aee41f20118b0.msi
Size

1.8MB
MD5

aadb28cd58585f773265bd1e4fd584a6
SHA1

efa3704afcbd08977b2458e9cf5f05ae6da4fd9a
SHA256

de29ff5d531e11ec17eaa1abfb75c3cdf7c2e3e37bfbae61711aee41f20118b0
SHA512

412ece345ab2876ceccebd21a6e8e4a235708707ec236d9716a3cd1691917322bcff9a0bc79a1a21ff63df4e8ea395dbc61dfdfd392633bbb82a76f6b2a8f0ae
SSDEEP

49152:q6LvYpW8zBQSc0ZnSKeZKumZr7A0ybfpVENl14rrX:5YQ0ZncK/A0qfnEZ4P

Score

10^/10

latrodectus loader

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 8 IoCs

loader

resource	yara_rule
behavioral2/memory/224-48-0x00000269B5AF0000-0x00000269B5B04000-memory.dmp	family_latrodectus_v2
behavioral2/memory/224-50-0x00000269B5AD0000-0x00000269B5AE2000-memory.dmp	family_latrodectus_v2
behavioral2/memory/224-53-0x00000269B5B10000-0x00000269B5B24000-memory.dmp	family_latrodectus_v2
behavioral2/memory/224-54-0x00000269B5B10000-0x00000269B5B24000-memory.dmp	family_latrodectus_v2
behavioral2/memory/224-59-0x00000269B5B10000-0x00000269B5B24000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4988-76-0x000001F060BA0000-0x000001F060BB4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4988-77-0x000001F060BA0000-0x000001F060BB4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4988-78-0x000001F060BA0000-0x000001F060BB4000-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)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\O:	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)	\??\L:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\e57ddec.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIDF45.tmp	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\MSIE07F.tmp	msiexec.exe
File created	C:\Windows\Installer\e57ddec.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\MSIDE89.tmp	msiexec.exe
File created	C:\Windows\Installer\SourceHash{060B5AA5-F33D-4FA0-967E-616346C49B21}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIE10C.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
5044	MSIE10C.tmp

Loads dropped DLL 10 IoCs

pid	Process
1296	MsiExec.exe
1296	MsiExec.exe
1296	MsiExec.exe
1296	MsiExec.exe
1296	MsiExec.exe
1296	MsiExec.exe
2944	MsiExec.exe
2944	MsiExec.exe
224	rundll32.exe
4988	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_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 00000000040000003820acb1425541bc0000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000c01200000000ffffffff0000000027010100000800003820acb10000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d01200000000000020ed3a000000ffffffff0000000007000100006809003820acb1000000000000d012000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ff3a0000000000000005000000ffffffff000000000700010000f87f1d3820acb1000000000000f0ff3a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0000000000000000000000003820acb100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	vssvc.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1368	msiexec.exe
1368	msiexec.exe
5044	MSIE10C.tmp
5044	MSIE10C.tmp
224	rundll32.exe
224	rundll32.exe
224	rundll32.exe
224	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4204	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4204	msiexec.exe
Token: SeSecurityPrivilege	1368	msiexec.exe
Token: SeCreateTokenPrivilege	4204	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4204	msiexec.exe
Token: SeLockMemoryPrivilege	4204	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4204	msiexec.exe
Token: SeMachineAccountPrivilege	4204	msiexec.exe
Token: SeTcbPrivilege	4204	msiexec.exe
Token: SeSecurityPrivilege	4204	msiexec.exe
Token: SeTakeOwnershipPrivilege	4204	msiexec.exe
Token: SeLoadDriverPrivilege	4204	msiexec.exe
Token: SeSystemProfilePrivilege	4204	msiexec.exe
Token: SeSystemtimePrivilege	4204	msiexec.exe
Token: SeProfSingleProcessPrivilege	4204	msiexec.exe
Token: SeIncBasePriorityPrivilege	4204	msiexec.exe
Token: SeCreatePagefilePrivilege	4204	msiexec.exe
Token: SeCreatePermanentPrivilege	4204	msiexec.exe
Token: SeBackupPrivilege	4204	msiexec.exe
Token: SeRestorePrivilege	4204	msiexec.exe
Token: SeShutdownPrivilege	4204	msiexec.exe
Token: SeDebugPrivilege	4204	msiexec.exe
Token: SeAuditPrivilege	4204	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4204	msiexec.exe
Token: SeChangeNotifyPrivilege	4204	msiexec.exe
Token: SeRemoteShutdownPrivilege	4204	msiexec.exe
Token: SeUndockPrivilege	4204	msiexec.exe
Token: SeSyncAgentPrivilege	4204	msiexec.exe
Token: SeEnableDelegationPrivilege	4204	msiexec.exe
Token: SeManageVolumePrivilege	4204	msiexec.exe
Token: SeImpersonatePrivilege	4204	msiexec.exe
Token: SeCreateGlobalPrivilege	4204	msiexec.exe
Token: SeCreateTokenPrivilege	4204	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4204	msiexec.exe
Token: SeLockMemoryPrivilege	4204	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4204	msiexec.exe
Token: SeMachineAccountPrivilege	4204	msiexec.exe
Token: SeTcbPrivilege	4204	msiexec.exe
Token: SeSecurityPrivilege	4204	msiexec.exe
Token: SeTakeOwnershipPrivilege	4204	msiexec.exe
Token: SeLoadDriverPrivilege	4204	msiexec.exe
Token: SeSystemProfilePrivilege	4204	msiexec.exe
Token: SeSystemtimePrivilege	4204	msiexec.exe
Token: SeProfSingleProcessPrivilege	4204	msiexec.exe
Token: SeIncBasePriorityPrivilege	4204	msiexec.exe
Token: SeCreatePagefilePrivilege	4204	msiexec.exe
Token: SeCreatePermanentPrivilege	4204	msiexec.exe
Token: SeBackupPrivilege	4204	msiexec.exe
Token: SeRestorePrivilege	4204	msiexec.exe
Token: SeShutdownPrivilege	4204	msiexec.exe
Token: SeDebugPrivilege	4204	msiexec.exe
Token: SeAuditPrivilege	4204	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4204	msiexec.exe
Token: SeChangeNotifyPrivilege	4204	msiexec.exe
Token: SeRemoteShutdownPrivilege	4204	msiexec.exe
Token: SeUndockPrivilege	4204	msiexec.exe
Token: SeSyncAgentPrivilege	4204	msiexec.exe
Token: SeEnableDelegationPrivilege	4204	msiexec.exe
Token: SeManageVolumePrivilege	4204	msiexec.exe
Token: SeImpersonatePrivilege	4204	msiexec.exe
Token: SeCreateGlobalPrivilege	4204	msiexec.exe
Token: SeCreateTokenPrivilege	4204	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4204	msiexec.exe
Token: SeLockMemoryPrivilege	4204	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4204	msiexec.exe
4204	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 1296	1368	msiexec.exe	96
PID 1368 wrote to memory of 1296	1368	msiexec.exe	96
PID 1368 wrote to memory of 1296	1368	msiexec.exe	96
PID 1368 wrote to memory of 2492	1368	msiexec.exe	112
PID 1368 wrote to memory of 2492	1368	msiexec.exe	112
PID 1368 wrote to memory of 2944	1368	msiexec.exe	114
PID 1368 wrote to memory of 2944	1368	msiexec.exe	114
PID 1368 wrote to memory of 2944	1368	msiexec.exe	114
PID 1368 wrote to memory of 5044	1368	msiexec.exe	115
PID 1368 wrote to memory of 5044	1368	msiexec.exe	115
PID 1368 wrote to memory of 5044	1368	msiexec.exe	115
PID 224 wrote to memory of 4988	224	rundll32.exe	117
PID 224 wrote to memory of 4988	224	rundll32.exe	117

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\de29ff5d531e11ec17eaa1abfb75c3cdf7c2e3e37bfbae61711aee41f20118b0.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4204

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:1368
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding E68C2A94EACB5EA8096D29D6DE0138A5 C
  2⤵
  - Loads dropped DLL
  PID:1296
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:2492
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding ADF59F54A285FA3991EBF0767B3EDE29
  2⤵
  - Loads dropped DLL
  PID:2944
- C:\Windows\Installer\MSIE10C.tmp
  "C:\Windows\Installer\MSIE10C.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\QUAL\utile.dll, vgml
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:5044

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:2092

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\QUAL\utile.dll, vgml
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:224
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_532752bf.dll", vgml
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:4988

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2320,i,3025503729105798828,9325691672526736153,262144 --variations-seed-version /prefetch:8
1⤵
PID:3816

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\e57dded.rbs

Filesize
1KB

MD5
b6626bd0b5d211396af4f3ab737266ef

SHA1
c421102839577612c79171fbaa49bb267baf840f

SHA256
39a276c7f7ce87aa021ced7bbbd7e3bd4a7d2dd23fe0bad5e7b0f60725d64bac

SHA512
f0c474431a0dc7efa7eaa385ff014bd05022f0625d8144f1129bc2259b51a2e7706322b76f4cf44daccc31c8f250cb17410d9c1e8230b8d5d1e36cddd1ecf2ad

Download Submit
C:\Users\Admin\AppData\Local\QUAL\utile.dll

Filesize
1.3MB

MD5
fdee9bf7924baa77c55da756b88558e3

SHA1
a751dbcbcda628b68a3592da97d252ee350aa4a6

SHA256
ac851c7c20500893d64adf7522f565d02b443f6ab6173963f1bf18b470355287

SHA512
63ab4da072f1f91d5d1b35a11a9700bb6692dd8f0462e73d8b9d4e1c958eea1f7417ad04dfe7c2032de41afefd48f7f9a9d67b22f393a06355c02df71456995b

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI689D.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Windows\Installer\MSIE10C.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
bdacc1ea8e5ea04ea466277f148710ea

SHA1
4bdd32507903071c717dc2c75b7a359fc05e6d3b

SHA256
4503e14cf74478e0e64baa97f0296f05ba4e4b432bde269575022f2a26043b6a

SHA512
c2661d5cd79621a8551ae0c1972c8dde07a913699cc3326fc78ff37da6e710143320bbe06cffd96dafc2d93b943dbf1df836dbc1c7158f0d7c62e0da92b83940

Download Submit
\??\Volume{b1ac2038-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{16363cb7-4a3f-4899-bf5d-c220c24ad6d2}_OnDiskSnapshotProp

Filesize
6KB

MD5
118527c7ede1005729a451fc23fe1797

SHA1
45c65f59913e60898eaca1b6cea891be8f160b8a

SHA256
74a691f3b8f7ece981bf21fb6fe73bf971237158bb0f54e331fbee06e635b03e

SHA512
84579ff159467a9a8c6eec7ac65be147fe16136b0cb6b09d305cec94b83b36934e38f670f9ec7adab04e9345a77c06ef4bc68b5ad7a0c5a09d90637f77c8c773

Download Submit
memory/224-57-0x0000000180000000-0x0000000180152000-memory.dmp

Filesize
1.3MB

Download
memory/224-54-0x00000269B5B10000-0x00000269B5B24000-memory.dmp

Filesize
80KB

Download
memory/224-53-0x00000269B5B10000-0x00000269B5B24000-memory.dmp

Filesize
80KB

Download
memory/224-59-0x00000269B5B10000-0x00000269B5B24000-memory.dmp

Filesize
80KB

Download
memory/224-50-0x00000269B5AD0000-0x00000269B5AE2000-memory.dmp

Filesize
72KB

Download
memory/224-48-0x00000269B5AF0000-0x00000269B5B04000-memory.dmp

Filesize
80KB

Download
memory/224-47-0x00000269B5AD0000-0x00000269B5AE2000-memory.dmp

Filesize
72KB

Download
memory/4988-76-0x000001F060BA0000-0x000001F060BB4000-memory.dmp

Filesize
80KB

Download
memory/4988-77-0x000001F060BA0000-0x000001F060BB4000-memory.dmp

Filesize
80KB

Download
memory/4988-78-0x000001F060BA0000-0x000001F060BB4000-memory.dmp

Filesize
80KB

Download