dridex | d831a3d73f3732db975b9e4f92dec0d4051334d88d17daf3931da1df45ee5b46

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:18

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General

Target

JaffaCakes118_d831a3d73f3732db975b9e4f92dec0d4051334d88d17daf3931da1df45ee5b46.dll
Size

171KB
MD5

d040330564bd544b4f76bbc51ca799a9
SHA1

cab803970ccb03a33e3990747678743401ff34c3
SHA256

d831a3d73f3732db975b9e4f92dec0d4051334d88d17daf3931da1df45ee5b46
SHA512

d2d4ed7bd7b581202d156efe03ae113d036b57dc410929f862a29eeaa2b79b1cfbfe5d795b6c8efd22d62583b04e05a43fd5620fa5a78881381628f5c6392cb7
SSDEEP

3072:vi49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:vH9RVaPEmsdHdbQUbd2H3

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/2364-1-0x0000000074630000-0x0000000074660000-memory.dmp	dridex_ldr
behavioral1/memory/2364-2-0x0000000074630000-0x0000000074660000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	2364	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 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2364 wrote to memory of 2352	2364	rundll32.exe	31
PID 2364 wrote to memory of 2352	2364	rundll32.exe	31
PID 2364 wrote to memory of 2352	2364	rundll32.exe	31
PID 2364 wrote to memory of 2352	2364	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d831a3d73f3732db975b9e4f92dec0d4051334d88d17daf3931da1df45ee5b46.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d831a3d73f3732db975b9e4f92dec0d4051334d88d17daf3931da1df45ee5b46.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 256
    3⤵
    - Program crash
    PID:2352

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/2364-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2364-1-0x0000000074630000-0x0000000074660000-memory.dmp

Filesize
192KB

Download
memory/2364-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2364-2-0x0000000074630000-0x0000000074660000-memory.dmp

Filesize
192KB

Download