dridex | 371b65aa0f46e8f501f5127cd3e36481a3b7f7b063c2ff597580b937babc96c6

Analysis

max time kernel
93s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 01:06

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General

Target

JaffaCakes118_371b65aa0f46e8f501f5127cd3e36481a3b7f7b063c2ff597580b937babc96c6.dll
Size

184KB
MD5

0f5cf343ed688e0c825721118a175402
SHA1

9cc845cd9366461a1d9c7532cefc910fd1b08c3c
SHA256

371b65aa0f46e8f501f5127cd3e36481a3b7f7b063c2ff597580b937babc96c6
SHA512

903469418fa867c91164e9ffd83725a82ce664ca9a9b344706013c5a6592984f5b439976c8f1d4671f9683f8045854fc75fe93185208f9295cdacbd174d80e11
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jqa//2uFrSc:mfYOX+wTScR/Xzku9LVwhuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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/4456-1-0x0000000075810000-0x000000007583F000-memory.dmp	dridex_ldr
behavioral2/memory/4456-2-0x0000000075810000-0x000000007583F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3020	4456	WerFault.exe	81

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 4088 wrote to memory of 4456	4088	rundll32.exe	81
PID 4088 wrote to memory of 4456	4088	rundll32.exe	81
PID 4088 wrote to memory of 4456	4088	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_371b65aa0f46e8f501f5127cd3e36481a3b7f7b063c2ff597580b937babc96c6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_371b65aa0f46e8f501f5127cd3e36481a3b7f7b063c2ff597580b937babc96c6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 616
    3⤵
    - Program crash
    PID:3020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4456 -ip 4456
1⤵
PID:868

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/4456-0-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/4456-1-0x0000000075810000-0x000000007583F000-memory.dmp

Filesize
188KB

Download
memory/4456-3-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/4456-2-0x0000000075810000-0x000000007583F000-memory.dmp

Filesize
188KB

Download