dridex | 51f8b5cc7424e6667e4df5d1c8b459fb69c53c28970b7e70290535ba74b19a1f

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 21:40

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General

Target

JaffaCakes118_51f8b5cc7424e6667e4df5d1c8b459fb69c53c28970b7e70290535ba74b19a1f.dll
Size

184KB
MD5

b81b69885a6231d4eb7e16da2a9b511d
SHA1

9c7b2f8c3b0548e03ef0b322fd01fb0369566298
SHA256

51f8b5cc7424e6667e4df5d1c8b459fb69c53c28970b7e70290535ba74b19a1f
SHA512

e497d6dfb8f5f1936c02cee089ff61096dc70fa7318696e8553d9a218fe2d4250122e681be73d105dd079b04103809c34df5fe1d47a305bf33438e3fbde56638
SSDEEP

3072:x92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMT6rLA:x9NSMOEpQ1Q3ODAr+Vu

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3156-1-0x00000000756D0000-0x00000000756FF000-memory.dmp	dridex_ldr
behavioral2/memory/3156-2-0x00000000756D0000-0x00000000756FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2636	3156	WerFault.exe	82

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 3156	2328	rundll32.exe	82
PID 2328 wrote to memory of 3156	2328	rundll32.exe	82
PID 2328 wrote to memory of 3156	2328	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51f8b5cc7424e6667e4df5d1c8b459fb69c53c28970b7e70290535ba74b19a1f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51f8b5cc7424e6667e4df5d1c8b459fb69c53c28970b7e70290535ba74b19a1f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3156
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 616
    3⤵
    - Program crash
    PID:2636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3156 -ip 3156
1⤵
PID:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3156-0-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/3156-1-0x00000000756D0000-0x00000000756FF000-memory.dmp

Filesize
188KB

Download
memory/3156-2-0x00000000756D0000-0x00000000756FF000-memory.dmp

Filesize
188KB

Download
memory/3156-3-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download