dridex | 89e1e241ab61419232cac03da7a04ecd800944cccec2853d590d12531e301327

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/04/2024, 00:43

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General

Target
e63d101a45580764256a272a8a6576bd_JaffaCakes118.dll
Size 188KB
Sample240408-a3a3aabe9x
SHA256 89e1e241ab61419232cac03da7a04ecd800944cccec2853d590d12531e301327
MD5 e63d101a45580764256a272a8a6576bd
SHA1 e4ead729412e4a4bff5b23e3b3b491da0761ba4b
SHA512 0e4772b9c5838a2cc0efc06d26a25c68e834f3d6bd963d56f5bef54b88183d94df00ad2e968fa1e9faa6e17fff6999e8845ab359d9e38d8a32fdbd99586c3669
SSDEEP 3072:gA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoBo:gzIqATVfQeV2FZalKq6jtGJWuTmd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2000-0-0x0000000074990000-0x00000000749C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2784	2000	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2000	1948	rundll32.exe	28
PID 1948 wrote to memory of 2000	1948	rundll32.exe	28
PID 1948 wrote to memory of 2000	1948	rundll32.exe	28
PID 1948 wrote to memory of 2000	1948	rundll32.exe	28
PID 1948 wrote to memory of 2000	1948	rundll32.exe	28
PID 1948 wrote to memory of 2000	1948	rundll32.exe	28
PID 1948 wrote to memory of 2000	1948	rundll32.exe	28
PID 2000 wrote to memory of 2784	2000	rundll32.exe	29
PID 2000 wrote to memory of 2784	2000	rundll32.exe	29
PID 2000 wrote to memory of 2784	2000	rundll32.exe	29
PID 2000 wrote to memory of 2784	2000	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e63d101a45580764256a272a8a6576bd_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e63d101a45580764256a272a8a6576bd_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 300
    3⤵
    - Program crash
    PID:2784

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2000-0-0x0000000074990000-0x00000000749C0000-memory.dmp

Download

memory/2000-2-0x0000000000190000-0x0000000000196000-memory.dmp