dridex | e0424a3e48ca0698a6ab29e8781434bcccfa6cfc809357ab1d76134a94f40ae6

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 02:29

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General

Target
c4bf0acc42236d429d642775e63409a6.dll
Size 188KB
Sample240313-cy2qjscc88
SHA256 e0424a3e48ca0698a6ab29e8781434bcccfa6cfc809357ab1d76134a94f40ae6
MD5 c4bf0acc42236d429d642775e63409a6
SHA1 e7ddb925314759c11c39c47bb8ca026a8894809f
SHA512 1a0f185c5c7fb05c95561aabd78ebe38c9596acb069792714a184e1f58224bef09a1cda2a2fb8eca7c94ad23aab6a6ebcd36d4988179f330ac5e5fb20e9fe5b9
SSDEEP 3072:/A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoAo:/zIqATVfQeV2FZalKq6jtGJWuTmd
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/5068-0-0x00000000757E0000-0x0000000075810000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4828	5068	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 5068	4932	rundll32.exe	88
PID 4932 wrote to memory of 5068	4932	rundll32.exe	88
PID 4932 wrote to memory of 5068	4932	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4bf0acc42236d429d642775e63409a6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4bf0acc42236d429d642775e63409a6.dll,#1
  2⤵
  PID:5068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 692
    3⤵
    - Program crash
    PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5068 -ip 5068
1⤵
PID:1976

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/5068-0-0x00000000757E0000-0x0000000075810000-memory.dmp

Download

memory/5068-1-0x00000000004E0000-0x00000000004E6000-memory.dmp