dridex | 3364507539c9d1b3f976174f03e4120d03e93602d895e9493a5bbed8e96e86b4

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2024, 21:48

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General

Target
b32f20aaff1cfa63f42af9a327e25f0d.dll
Size 188KB
Sample240304-1n5apafd35
SHA256 3364507539c9d1b3f976174f03e4120d03e93602d895e9493a5bbed8e96e86b4
MD5 b32f20aaff1cfa63f42af9a327e25f0d
SHA1 e40008d288b3cfcd76516b738e430d9014158a94
SHA512 b6dd21d8c5e60226dc44700640b66289f23d2503f857bee58376c723b5e07865782e866f7a6916690e48b589e13300ec435958ff74e2d97ec189acbee3187828
SSDEEP 3072:vA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoSo:vzIqATVfQeV2FZalKq6jtGJWuTmd
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
behavioral2/memory/3236-0-0x0000000074B40000-0x0000000074B70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4920	3236	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 3236	2748	rundll32.exe	87
PID 2748 wrote to memory of 3236	2748	rundll32.exe	87
PID 2748 wrote to memory of 3236	2748	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b32f20aaff1cfa63f42af9a327e25f0d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b32f20aaff1cfa63f42af9a327e25f0d.dll,#1
  2⤵
  PID:3236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 664
    3⤵
    - Program crash
    PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3236 -ip 3236
1⤵
PID:2152

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3236-0-0x0000000074B40000-0x0000000074B70000-memory.dmp

Download

memory/3236-1-0x00000000005F0000-0x00000000005F6000-memory.dmp