dridex | b1c1b1d7c0f1a761277f6ca73476834ed76ad9c3b9b0015347993531b97b15f9

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 03:20

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General

Target

JaffaCakes118_b1c1b1d7c0f1a761277f6ca73476834ed76ad9c3b9b0015347993531b97b15f9.dll
Size

171KB
MD5

1b065985cda6c8e1c6235bc7577125f6
SHA1

fb414f3ad7670f87b9e0bddb3f5d3a3970e9df1f
SHA256

b1c1b1d7c0f1a761277f6ca73476834ed76ad9c3b9b0015347993531b97b15f9
SHA512

e67c3301bbaf6cae6f9557bddd2be5e4a10d48446ab38a9d589ca0b0387e7c0a249125925d97b7f9ddc9b4cdb0aef1c0b0221365ec8e81f1d6d3ed3dd14cb40f
SSDEEP

3072:Ni49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:NH9RVaPEmsdHdbQUbd2H3

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/2072-0-0x00000000749E0000-0x0000000074A10000-memory.dmp	dridex_ldr
behavioral1/memory/2072-2-0x00000000749E0000-0x0000000074A10000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1452	2072	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 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2072 wrote to memory of 1452	2072	rundll32.exe	32
PID 2072 wrote to memory of 1452	2072	rundll32.exe	32
PID 2072 wrote to memory of 1452	2072	rundll32.exe	32
PID 2072 wrote to memory of 1452	2072	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c1b1d7c0f1a761277f6ca73476834ed76ad9c3b9b0015347993531b97b15f9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c1b1d7c0f1a761277f6ca73476834ed76ad9c3b9b0015347993531b97b15f9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 256
    3⤵
    - Program crash
    PID:1452

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/2072-0-0x00000000749E0000-0x0000000074A10000-memory.dmp

Filesize
192KB

Download
memory/2072-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2072-2-0x00000000749E0000-0x0000000074A10000-memory.dmp

Filesize
192KB

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