dridex | b2dd2eef8d1e4db27125ffab609568c5df059c7d49f4664eedaf63aef96a99fc

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 17:36

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General

Target

JaffaCakes118_b2dd2eef8d1e4db27125ffab609568c5df059c7d49f4664eedaf63aef96a99fc.dll
Size

171KB
MD5

61aa58b4ed4d65287a5809798bbf6fe7
SHA1

d8aeee668ce302cac1ddd59b7265ed56164cc5b3
SHA256

b2dd2eef8d1e4db27125ffab609568c5df059c7d49f4664eedaf63aef96a99fc
SHA512

085bf41c804a20394830409b8418cdcb7213f2d03df0de5c51e54951c0ba381a3ad5e633c057dbd4905ef257fd3d5c8d62326b4eb48b38477dd997fefda43764
SSDEEP

3072:ti49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:tH9RVaPEmsdHdbQUbd2H3

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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
behavioral1/memory/1620-1-0x00000000745F0000-0x0000000074620000-memory.dmp	dridex_ldr
behavioral1/memory/1620-2-0x00000000745F0000-0x0000000074620000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1892	1620	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1620	2340	rundll32.exe	30
PID 2340 wrote to memory of 1620	2340	rundll32.exe	30
PID 2340 wrote to memory of 1620	2340	rundll32.exe	30
PID 2340 wrote to memory of 1620	2340	rundll32.exe	30
PID 2340 wrote to memory of 1620	2340	rundll32.exe	30
PID 2340 wrote to memory of 1620	2340	rundll32.exe	30
PID 2340 wrote to memory of 1620	2340	rundll32.exe	30
PID 1620 wrote to memory of 1892	1620	rundll32.exe	31
PID 1620 wrote to memory of 1892	1620	rundll32.exe	31
PID 1620 wrote to memory of 1892	1620	rundll32.exe	31
PID 1620 wrote to memory of 1892	1620	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2dd2eef8d1e4db27125ffab609568c5df059c7d49f4664eedaf63aef96a99fc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2dd2eef8d1e4db27125ffab609568c5df059c7d49f4664eedaf63aef96a99fc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 256
    3⤵
    - Program crash
    PID:1892

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

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Downloads

memory/1620-0-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/1620-1-0x00000000745F0000-0x0000000074620000-memory.dmp

Filesize
192KB

Download
memory/1620-3-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/1620-2-0x00000000745F0000-0x0000000074620000-memory.dmp

Filesize
192KB

Download