dridex | aea71f0c5991ec473c04585a508bb069348d828922ec32744275b566ddb84901

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
24-12-2024 10:35

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General

Target

JaffaCakes118_aea71f0c5991ec473c04585a508bb069348d828922ec32744275b566ddb84901.dll
Size

171KB
MD5

f427f9b491e0141824eb3407b877a03e
SHA1

b4880fb76703f23cfcd0c16839e260020c12cedd
SHA256

aea71f0c5991ec473c04585a508bb069348d828922ec32744275b566ddb84901
SHA512

342d9093b4ba75ed4b6bfcaf00787f6411d87e32744af226ade4bbd84c087b9c049523eb5da2949efcf85a87e0241ecc7959e1b26acdb4891be7506092c137f2
SSDEEP

3072:/i49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:/H9RVaPEmsdHdbQUbd2H3

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/1696-1-0x0000000074BA0000-0x0000000074BD0000-memory.dmp	dridex_ldr
behavioral1/memory/1696-2-0x0000000074BA0000-0x0000000074BD0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2088	1696	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 1128 wrote to memory of 1696	1128	rundll32.exe	31
PID 1128 wrote to memory of 1696	1128	rundll32.exe	31
PID 1128 wrote to memory of 1696	1128	rundll32.exe	31
PID 1128 wrote to memory of 1696	1128	rundll32.exe	31
PID 1128 wrote to memory of 1696	1128	rundll32.exe	31
PID 1128 wrote to memory of 1696	1128	rundll32.exe	31
PID 1128 wrote to memory of 1696	1128	rundll32.exe	31
PID 1696 wrote to memory of 2088	1696	rundll32.exe	32
PID 1696 wrote to memory of 2088	1696	rundll32.exe	32
PID 1696 wrote to memory of 2088	1696	rundll32.exe	32
PID 1696 wrote to memory of 2088	1696	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aea71f0c5991ec473c04585a508bb069348d828922ec32744275b566ddb84901.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aea71f0c5991ec473c04585a508bb069348d828922ec32744275b566ddb84901.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 256
    3⤵
    - Program crash
    PID:2088

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/1696-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1696-1-0x0000000074BA0000-0x0000000074BD0000-memory.dmp

Filesize
192KB

Download
memory/1696-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1696-2-0x0000000074BA0000-0x0000000074BD0000-memory.dmp

Filesize
192KB

Download