bruteratel | eb164525c66c559aec32c119a9e2fa54444caefcd32b944a12c459e80fd568c4

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2025, 18:01

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General

Target

Doc171836.js
Size

412KB
MD5

da7ed43b68df0e3a40b48e1fbb8b539b
SHA1

c53936f0811fe54dd3f57e525c1dd31f04bf249d
SHA256

eb164525c66c559aec32c119a9e2fa54444caefcd32b944a12c459e80fd568c4
SHA512

bcadaf98784a8ef2b5fef711cf2f6402a932e9241220fc337294aeeaa08e3be9d98545b30a286dac4a0fdf51a462b7ca6930e44341f92fdad8a8035015c1ff41
SSDEEP

3072:D5RU5Rv5RjiL2wiL2niL2WGyTGyR3d54+e0ekewer:VRkRRRj2T2m23GyTGydXJ5S

Score

10^/10

bruteratel latrodectus backdoor discovery execution loader

Malware Config

Extracted

Family

latrodectus

Version

1.4

https://tynifinilam.com/test/

https://horetimodual.com/test/

aes.hex

Signatures

Brute Ratel C4
A customized command and control framework for red teaming and adversary simulation.
backdoor bruteratel
Bruteratel family
bruteratel

Detect BruteRatel badger 1 IoCs

resource	yara_rule
behavioral2/memory/4392-77-0x00000276C4620000-0x00000276C465E000-memory.dmp	family_bruteratel

Detects Latrodectus 3 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral2/memory/4392-113-0x00007FF468630000-0x00007FF468645000-memory.dmp	family_latrodectus_1_4
behavioral2/memory/3452-118-0x0000000002B10000-0x0000000002B25000-memory.dmp	family_latrodectus_1_4
behavioral2/memory/3452-119-0x0000000002B10000-0x0000000002B25000-memory.dmp	family_latrodectus_1_4

Latrodectus family
latrodectus
Latrodectus loader
Latrodectus is a loader written in C++.
loader latrodectus

Executes dropped EXE 1 IoCs

pid	Process
4392	NVIDIA Notification.exe

Loads dropped DLL 6 IoCs

pid	Process
844	MsiExec.exe
844	MsiExec.exe
844	MsiExec.exe
844	MsiExec.exe
844	MsiExec.exe
4392	NVIDIA Notification.exe

Blocklisted process makes network request 6 IoCs

flow	pid	Process
2	4584	msiexec.exe
16	4584	msiexec.exe
20	4584	msiexec.exe
22	4584	msiexec.exe
24	844	MsiExec.exe
26	844	MsiExec.exe

Enumerates connected drives 3 TTPs 23 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)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	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)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB675.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIA642.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\MSIB1EE.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB22D.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB5F7.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB017.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB17F.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4584	msiexec.exe
4584	msiexec.exe
4392	NVIDIA Notification.exe
4392	NVIDIA Notification.exe
4392	NVIDIA Notification.exe
4392	NVIDIA Notification.exe
4392	NVIDIA Notification.exe
4392	NVIDIA Notification.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1096	wscript.exe
Token: SeIncreaseQuotaPrivilege	1096	wscript.exe
Token: SeSecurityPrivilege	4584	msiexec.exe
Token: SeCreateTokenPrivilege	1096	wscript.exe
Token: SeAssignPrimaryTokenPrivilege	1096	wscript.exe
Token: SeLockMemoryPrivilege	1096	wscript.exe
Token: SeIncreaseQuotaPrivilege	1096	wscript.exe
Token: SeMachineAccountPrivilege	1096	wscript.exe
Token: SeTcbPrivilege	1096	wscript.exe
Token: SeSecurityPrivilege	1096	wscript.exe
Token: SeTakeOwnershipPrivilege	1096	wscript.exe
Token: SeLoadDriverPrivilege	1096	wscript.exe
Token: SeSystemProfilePrivilege	1096	wscript.exe
Token: SeSystemtimePrivilege	1096	wscript.exe
Token: SeProfSingleProcessPrivilege	1096	wscript.exe
Token: SeIncBasePriorityPrivilege	1096	wscript.exe
Token: SeCreatePagefilePrivilege	1096	wscript.exe
Token: SeCreatePermanentPrivilege	1096	wscript.exe
Token: SeBackupPrivilege	1096	wscript.exe
Token: SeRestorePrivilege	1096	wscript.exe
Token: SeShutdownPrivilege	1096	wscript.exe
Token: SeDebugPrivilege	1096	wscript.exe
Token: SeAuditPrivilege	1096	wscript.exe
Token: SeSystemEnvironmentPrivilege	1096	wscript.exe
Token: SeChangeNotifyPrivilege	1096	wscript.exe
Token: SeRemoteShutdownPrivilege	1096	wscript.exe
Token: SeUndockPrivilege	1096	wscript.exe
Token: SeSyncAgentPrivilege	1096	wscript.exe
Token: SeEnableDelegationPrivilege	1096	wscript.exe
Token: SeManageVolumePrivilege	1096	wscript.exe
Token: SeImpersonatePrivilege	1096	wscript.exe
Token: SeCreateGlobalPrivilege	1096	wscript.exe
Token: SeRestorePrivilege	4584	msiexec.exe
Token: SeTakeOwnershipPrivilege	4584	msiexec.exe
Token: SeRestorePrivilege	4584	msiexec.exe
Token: SeTakeOwnershipPrivilege	4584	msiexec.exe
Token: SeRestorePrivilege	4584	msiexec.exe
Token: SeTakeOwnershipPrivilege	4584	msiexec.exe
Token: SeRestorePrivilege	4584	msiexec.exe
Token: SeTakeOwnershipPrivilege	4584	msiexec.exe
Token: SeRestorePrivilege	4584	msiexec.exe
Token: SeTakeOwnershipPrivilege	4584	msiexec.exe
Token: SeRestorePrivilege	4584	msiexec.exe
Token: SeTakeOwnershipPrivilege	4584	msiexec.exe
Token: SeRestorePrivilege	4584	msiexec.exe
Token: SeTakeOwnershipPrivilege	4584	msiexec.exe
Token: SeRestorePrivilege	4584	msiexec.exe
Token: SeTakeOwnershipPrivilege	4584	msiexec.exe
Token: SeRestorePrivilege	4584	msiexec.exe
Token: SeTakeOwnershipPrivilege	4584	msiexec.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 844	4584	msiexec.exe	94
PID 4584 wrote to memory of 844	4584	msiexec.exe	94
PID 4584 wrote to memory of 844	4584	msiexec.exe	94
PID 4584 wrote to memory of 4392	4584	msiexec.exe	95
PID 4584 wrote to memory of 4392	4584	msiexec.exe	95
PID 4392 wrote to memory of 3452	4392	NVIDIA Notification.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3452
- C:\Windows\system32\wscript.exe
  wscript.exe C:\Users\Admin\AppData\Local\Temp\Doc171836.js
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1096

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding A8CA35A3098D5A2F9A986014F851B614
  2⤵
  - Loads dropped DLL
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  PID:844
- C:\Users\Admin\AppData\Roaming\nvidia\NVIDIA Notification.exe
  "C:\Users\Admin\AppData\Roaming\nvidia\NVIDIA Notification.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Privilege Escalation

Defense Evasion

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\e57b632.rbs

Filesize
2KB

MD5
f3cf643301ab821c7610b0cee130b759

SHA1
80d70d23d7b90dd2fcd152f6780e07c11ca987ca

SHA256
56c10197480461cced425fab2b13cd51a0a949ecdda11c40e33deba68172c961

SHA512
de6b734c8fe7e9963ca6db3c642a5129917c8fb9d48c926068f46bf6b4c857c987bbe17181a81c219d74fa56b79e4986d5fac67d4e7b11c57d05b52fe8ce1e76

Download Submit
C:\Users\Admin\AppData\Roaming\nvidia\NVIDIA Notification.exe

Filesize
3.2MB

MD5
07459a0b5f524ad62b5b5401133d4d55

SHA1
bcaec0c106f7f97c09618870e0d4868a156c93ec

SHA256
6c94c9d7e231523e06b41275ab208e42cdd39278f341123b066b05a0a6830e4d

SHA512
5133970b743eaa730e97baf9c4f52c05af469b880cd158900e62447daab45445112b41cc31c330fb90ee1e274d85e444ab86cfffc3e4fea7380d4217c446e9b5

Download Submit
C:\Users\Admin\AppData\Roaming\nvidia\libcef.dll

Filesize
3.2MB

MD5
c6bb7631c35b6a8fc21077ca49aa8559

SHA1
240d2d8e8da0bba108ee831bcc7a17a92d190db2

SHA256
6b3854e74a1ec9a70f14d124c9ae8456129c0b5968f3781b95e430940c64fad4

SHA512
1cc5f67413727ea12b0ff0c26ef822fe689b15c674ee4bb03789b949879cfd0f84ad76bd8b93db53ef35160c751344134fc36d8bb3995be658ca7c268bdada72

Download Submit
C:\Windows\Installer\MSIA642.tmp

Filesize
4.6MB

MD5
27708977fc83f3b70177d6cf68900eba

SHA1
f679bb77e2876b17da2276017df6cf252aa5bd22

SHA256
ec3ca0877e599ae9c40cbcec51a9a4718114e33d9e2d9d8c72f5f24d7cebdcbf

SHA512
831ccd1e4fdda16ff7cd16096e3291b9fa986f814e56aec9d8d0c6a36ae402002940a9d9aa7c1c5c8cf1b8e65c2d9ee529956f9cae3832e513a37bff3839c8ac

Download Submit
C:\Windows\Installer\MSIB017.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Windows\Installer\MSIB22D.tmp

Filesize
355KB

MD5
cac65e61b287555ea0e2a7f1aa0645cc

SHA1
0c93bdbfddd7e00ec30c81dbff8f3a1bfaf62519

SHA256
57c0d90010d3a476770c8085d2641cbf234b0ca47ec687ca4aabbf4db92df737

SHA512
e80076eb7e632e40f8dcb013b854a5825e7a19dd451505aa121a47a110032a1c571cd6d9e3e5aeacdb8f5897cb17ece4e65846b5d9080605e81176fe0811456a

Download Submit
memory/3452-119-0x0000000002B10000-0x0000000002B25000-memory.dmp

Filesize
84KB

Download
memory/3452-118-0x0000000002B10000-0x0000000002B25000-memory.dmp

Filesize
84KB

Download
memory/4392-95-0x00000276C4E40000-0x00000276C4E8B000-memory.dmp

Filesize
300KB

Download
memory/4392-103-0x00000276C5360000-0x00000276C53AB000-memory.dmp

Filesize
300KB

Download
memory/4392-79-0x00000276C46B0000-0x00000276C46FB000-memory.dmp

Filesize
300KB

Download
memory/4392-80-0x00000276C4750000-0x00000276C479B000-memory.dmp

Filesize
300KB

Download
memory/4392-81-0x00000276C47A0000-0x00000276C47EC000-memory.dmp

Filesize
304KB

Download
memory/4392-90-0x00000276C4840000-0x00000276C488B000-memory.dmp

Filesize
300KB

Download
memory/4392-91-0x00000003A6450000-0x00000003A649B000-memory.dmp

Filesize
300KB

Download
memory/4392-92-0x00000276C48E0000-0x00000276C492B000-memory.dmp

Filesize
300KB

Download
memory/4392-93-0x00000276C4CC0000-0x00000276C4D0B000-memory.dmp

Filesize
300KB

Download
memory/4392-94-0x00000276C4D90000-0x00000276C4DDB000-memory.dmp

Filesize
300KB

Download
memory/4392-78-0x00000003A6450000-0x00000003A649B000-memory.dmp

Filesize
300KB

Download
memory/4392-96-0x00000276C4F40000-0x00000276C4F8B000-memory.dmp

Filesize
300KB

Download
memory/4392-97-0x00000276C5000000-0x00000276C504B000-memory.dmp

Filesize
300KB

Download
memory/4392-98-0x00000276C50B0000-0x00000276C50FB000-memory.dmp

Filesize
300KB

Download
memory/4392-102-0x00000276C52B0000-0x00000276C52FB000-memory.dmp

Filesize
300KB

Download
memory/4392-77-0x00000276C4620000-0x00000276C465E000-memory.dmp

Filesize
248KB

Download
memory/4392-107-0x00000276C5410000-0x00000276C545B000-memory.dmp

Filesize
300KB

Download
memory/4392-111-0x00000276C54C0000-0x00000276C550B000-memory.dmp

Filesize
300KB

Download
memory/4392-115-0x00007FF468610000-0x00007FF468611000-memory.dmp

Filesize
4KB

Download
memory/4392-117-0x00007FF4685F0000-0x00007FF4685F1000-memory.dmp

Filesize
4KB

Download
memory/4392-116-0x00007FF468600000-0x00007FF468601000-memory.dmp

Filesize
4KB

Download
memory/4392-114-0x00007FF468620000-0x00007FF468621000-memory.dmp

Filesize
4KB

Download
memory/4392-113-0x00007FF468630000-0x00007FF468645000-memory.dmp

Filesize
84KB

Download
memory/4392-112-0x00007FF468650000-0x00007FF468651000-memory.dmp

Filesize
4KB

Download
memory/4392-76-0x00007FFD69AE0000-0x00007FFD69AF8000-memory.dmp

Filesize
96KB

Download
memory/4392-74-0x00000003A6450000-0x00000003A649B000-memory.dmp

Filesize
300KB

Download
memory/4392-123-0x00000276C4290000-0x00000276C42DB000-memory.dmp

Filesize
300KB

Download
memory/4392-125-0x00000276C47A0000-0x00000276C47EC000-memory.dmp

Filesize
304KB

Download
memory/4392-124-0x00000276C4340000-0x00000276C438B000-memory.dmp

Filesize
300KB

Download
memory/4392-127-0x00000276C43F0000-0x00000276C443B000-memory.dmp

Filesize
300KB

Download
memory/4392-128-0x00000276C44A0000-0x00000276C44EB000-memory.dmp

Filesize
300KB

Download