bruteratel | e0a3474e1dc05f8806de5443e69e1ede79ddcfe649e0a1e68f0ccefb86dcca09

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2025, 23:06

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General

Target

JaffaCakes118_262f89892b35c08d058d376c36289237.exe
Size

88KB
MD5

262f89892b35c08d058d376c36289237
SHA1

b5e1a9c5a72c9352fef615ce874a96a6dfd82704
SHA256

e0a3474e1dc05f8806de5443e69e1ede79ddcfe649e0a1e68f0ccefb86dcca09
SHA512

508a6ee10390501f3a3d789ce2d7ff13c8a9208b7b5e0696e1df8a29544153e7484810627d2ca9d02ab3018261e900db7a731edf2a40aadf4c09664759b05fb9
SSDEEP

1536:esrUFJekIsMnOCaRIj0oCudDF9DXQIdgikEH7m0:B4FJekXYjaRU0/IDFNQIdgrI

Score

10^/10

bruteratel backdoor discovery upx

Malware Config

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/4480-0-0x00000000005D0000-0x00000000005DD000-memory.dmp	family_bruteratel

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_262f89892b35c08d058d376c36289237.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4480-1-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4480-3-0x0000000000400000-0x0000000000425000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_262f89892b35c08d058d376c36289237.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4480	JaffaCakes118_262f89892b35c08d058d376c36289237.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 3584	4480	JaffaCakes118_262f89892b35c08d058d376c36289237.exe	85
PID 4480 wrote to memory of 3584	4480	JaffaCakes118_262f89892b35c08d058d376c36289237.exe	85
PID 4480 wrote to memory of 3584	4480	JaffaCakes118_262f89892b35c08d058d376c36289237.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_262f89892b35c08d058d376c36289237.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_262f89892b35c08d058d376c36289237.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Lhp..bat" > nul 2> nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Lhp..bat

Filesize
238B

MD5
b22ed51c804fdccf988d97677de791a2

SHA1
b4472295cf477927c6939ee243a383a1f7449849

SHA256
3ccf6bb6553eaa0b28de2637327e226f85c4348d22154b8decbe8e0ddf054ae6

SHA512
dc494fe429127bf73a6aa9598b2198c1ef55431bad00bf58717094f119102d120c212528e9825a3bccb53fd7da427246e35572d2615f974d19541e7c61dc8c1f

Download Submit
memory/4480-0-0x00000000005D0000-0x00000000005DD000-memory.dmp

Filesize
52KB

Download
memory/4480-1-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4480-3-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

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