latrodectus | a9fa025fe912c8ad5e6566c675e045732c4d89f4187bfd94c4e916dd9fe25417

Analysis

max time kernel
143s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-04-2024 18:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bim.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/2692-66-0x00000297354B0000-0x00000297354C4000-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)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	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)	\??\K:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\N:	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)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e5959bf.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e5959bf.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
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\MSI5D2C.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI5DC9.tmp	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\MSI5AD8.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI5C21.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
972	MSI5DC9.tmp

Loads dropped DLL 11 IoCs

pid	Process
5032	MsiExec.exe
5032	MsiExec.exe
5032	MsiExec.exe
5032	MsiExec.exe
5032	MsiExec.exe
5032	MsiExec.exe
3928	MsiExec.exe
3928	MsiExec.exe
1548	rundll32.exe
2692	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
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
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

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
100	msiexec.exe
100	msiexec.exe
972	MSI5DC9.tmp
972	MSI5DC9.tmp
1548	rundll32.exe
1548	rundll32.exe
1548	rundll32.exe
1548	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	rundll32.exe
2692	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	4904	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4904	msiexec.exe
Token: SeSecurityPrivilege	100	msiexec.exe
Token: SeCreateTokenPrivilege	4904	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4904	msiexec.exe
Token: SeLockMemoryPrivilege	4904	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4904	msiexec.exe
Token: SeMachineAccountPrivilege	4904	msiexec.exe
Token: SeTcbPrivilege	4904	msiexec.exe
Token: SeSecurityPrivilege	4904	msiexec.exe
Token: SeTakeOwnershipPrivilege	4904	msiexec.exe
Token: SeLoadDriverPrivilege	4904	msiexec.exe
Token: SeSystemProfilePrivilege	4904	msiexec.exe
Token: SeSystemtimePrivilege	4904	msiexec.exe
Token: SeProfSingleProcessPrivilege	4904	msiexec.exe
Token: SeIncBasePriorityPrivilege	4904	msiexec.exe
Token: SeCreatePagefilePrivilege	4904	msiexec.exe
Token: SeCreatePermanentPrivilege	4904	msiexec.exe
Token: SeBackupPrivilege	4904	msiexec.exe
Token: SeRestorePrivilege	4904	msiexec.exe
Token: SeShutdownPrivilege	4904	msiexec.exe
Token: SeDebugPrivilege	4904	msiexec.exe
Token: SeAuditPrivilege	4904	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4904	msiexec.exe
Token: SeChangeNotifyPrivilege	4904	msiexec.exe
Token: SeRemoteShutdownPrivilege	4904	msiexec.exe
Token: SeUndockPrivilege	4904	msiexec.exe
Token: SeSyncAgentPrivilege	4904	msiexec.exe
Token: SeEnableDelegationPrivilege	4904	msiexec.exe
Token: SeManageVolumePrivilege	4904	msiexec.exe
Token: SeImpersonatePrivilege	4904	msiexec.exe
Token: SeCreateGlobalPrivilege	4904	msiexec.exe
Token: SeCreateTokenPrivilege	4904	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4904	msiexec.exe
Token: SeLockMemoryPrivilege	4904	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4904	msiexec.exe
Token: SeMachineAccountPrivilege	4904	msiexec.exe
Token: SeTcbPrivilege	4904	msiexec.exe
Token: SeSecurityPrivilege	4904	msiexec.exe
Token: SeTakeOwnershipPrivilege	4904	msiexec.exe
Token: SeLoadDriverPrivilege	4904	msiexec.exe
Token: SeSystemProfilePrivilege	4904	msiexec.exe
Token: SeSystemtimePrivilege	4904	msiexec.exe
Token: SeProfSingleProcessPrivilege	4904	msiexec.exe
Token: SeIncBasePriorityPrivilege	4904	msiexec.exe
Token: SeCreatePagefilePrivilege	4904	msiexec.exe
Token: SeCreatePermanentPrivilege	4904	msiexec.exe
Token: SeBackupPrivilege	4904	msiexec.exe
Token: SeRestorePrivilege	4904	msiexec.exe
Token: SeShutdownPrivilege	4904	msiexec.exe
Token: SeDebugPrivilege	4904	msiexec.exe
Token: SeAuditPrivilege	4904	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4904	msiexec.exe
Token: SeChangeNotifyPrivilege	4904	msiexec.exe
Token: SeRemoteShutdownPrivilege	4904	msiexec.exe
Token: SeUndockPrivilege	4904	msiexec.exe
Token: SeSyncAgentPrivilege	4904	msiexec.exe
Token: SeEnableDelegationPrivilege	4904	msiexec.exe
Token: SeManageVolumePrivilege	4904	msiexec.exe
Token: SeImpersonatePrivilege	4904	msiexec.exe
Token: SeCreateGlobalPrivilege	4904	msiexec.exe
Token: SeCreateTokenPrivilege	4904	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4904	msiexec.exe
Token: SeLockMemoryPrivilege	4904	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4904	msiexec.exe
4904	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 100 wrote to memory of 5032	100	msiexec.exe	93
PID 100 wrote to memory of 5032	100	msiexec.exe	93
PID 100 wrote to memory of 5032	100	msiexec.exe	93
PID 100 wrote to memory of 4280	100	msiexec.exe	106
PID 100 wrote to memory of 4280	100	msiexec.exe	106
PID 100 wrote to memory of 3928	100	msiexec.exe	108
PID 100 wrote to memory of 3928	100	msiexec.exe	108
PID 100 wrote to memory of 3928	100	msiexec.exe	108
PID 100 wrote to memory of 972	100	msiexec.exe	109
PID 100 wrote to memory of 972	100	msiexec.exe	109
PID 100 wrote to memory of 972	100	msiexec.exe	109
PID 1548 wrote to memory of 2692	1548	rundll32.exe	111
PID 1548 wrote to memory of 2692	1548	rundll32.exe	111

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\bim.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4904

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:100
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 52F02C3EBE2866EB936958D49FF071B6 C
  2⤵
  - Loads dropped DLL
  PID:5032
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4280
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 87D511789BB47C9B2045587F41059F63
  2⤵
  - Loads dropped DLL
  PID:3928
- C:\Windows\Installer\MSI5DC9.tmp
  "C:\Windows\Installer\MSI5DC9.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\glosar\beta.dll, homq
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:972

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:2320

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=4116 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:4592

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:1548
- C:\Windows\System32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_b2fa2eb7.dll", homq
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2692

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_b2fa2eb7.dll", homq
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4988

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

Loading Replay Monitor...

Downloads

C:\Config.Msi\e5959c0.rbs

Filesize
1KB

MD5
d770e4207eb8aac22a8b518742793c16

SHA1
6e7a82095331c05d6c0afd59a247961477efdcc3

SHA256
d4e208e9c9d45f1a19fb3f74a9d4e822bb6c2d8e9b8746eba683eb2604c1ebd8

SHA512
1608d7487ab88190caf0a969cc0777df810f9445800f5ab9a0732cabeab757e86f292e21125ce89826892057966d7b56dfc94d75c2c23c0f9c6a2d45ece1e23a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSID5DE.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\MSI5DC9.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
73b02cb6d07c2ff4fe056f9e4f9f6ef4

SHA1
6c425360e7264f6cca5af3d88516ad0c4b896ca8

SHA256
00f62d14449ea4c3902bc59be7e1db5191ac06eaa91377c92d445f88c26f12a7

SHA512
93d9e01379d142b68c687bfb220cdc300b06025891b3a8debc59c0dfe977d2e6077e52f2d97e03bc59789384d718d1eae24486fe53e248624f96280d6326c051

Download Submit
\??\Volume{d2bbef64-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{57e497e7-9b75-4aeb-b1b7-6769890cb435}_OnDiskSnapshotProp

Filesize
6KB

MD5
38ae332f48b294f4374c441ad3d599b4

SHA1
5ec9c39d7d5e6dc678289c9083b24ead2c852204

SHA256
9b1fd894e57a89947f407e78dd218b3537884f23a11471a2901d74e973f533d4

SHA512
e7c373e0ddd5124d2e1d83b92fbd96311aea31e2fbb6a2e37e8bed9f78e2e32a3fb531a40c77e4d607284f49ba7a71518af23737f31057bcf1b1df6b7aeb1e66

Download Submit
memory/1548-52-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/2692-66-0x00000297354B0000-0x00000297354C4000-memory.dmp

Filesize
80KB

Download