dridex | 43a761eee15b6636887713dc9a5ae30d8839f1d0405c02b0f839dd56204229a2

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:56

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General

Target

JaffaCakes118_43a761eee15b6636887713dc9a5ae30d8839f1d0405c02b0f839dd56204229a2.dll
Size

171KB
MD5

ba29905b89ec3bc70e51c9e6290373ca
SHA1

fea2dfe0f1c5c36271e1f3995e14880789281c31
SHA256

43a761eee15b6636887713dc9a5ae30d8839f1d0405c02b0f839dd56204229a2
SHA512

e0d4dd4383ef777a4f9d90ba9a413ca9a5d07ae2a7f6c6cc21832b5a4833b6d6cd0d87295ee7a29008bc8bc56ac00af85a1a38a74b982ba887d3580eb2b9f473
SSDEEP

3072:di49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:dH9RVaPEmsdHdbQUbd2H3

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/2644-1-0x0000000074F50000-0x0000000074F80000-memory.dmp	dridex_ldr
behavioral1/memory/2644-2-0x0000000074F50000-0x0000000074F80000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1636	2644	WerFault.exe	31

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 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2644 wrote to memory of 1636	2644	rundll32.exe	32
PID 2644 wrote to memory of 1636	2644	rundll32.exe	32
PID 2644 wrote to memory of 1636	2644	rundll32.exe	32
PID 2644 wrote to memory of 1636	2644	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43a761eee15b6636887713dc9a5ae30d8839f1d0405c02b0f839dd56204229a2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43a761eee15b6636887713dc9a5ae30d8839f1d0405c02b0f839dd56204229a2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 256
    3⤵
    - Program crash
    PID:1636

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/2644-0-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/2644-1-0x0000000074F50000-0x0000000074F80000-memory.dmp

Filesize
192KB

Download
memory/2644-2-0x0000000074F50000-0x0000000074F80000-memory.dmp

Filesize
192KB

Download
memory/2644-3-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

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