dridex | 54cc02677ead7f7d7d77c372feec70c097dfc6a48ac765d8a97ad642f53592e8

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20/03/2024, 11:39

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General

Target
d8b549150f14b0b3a37b7c44aa78ef07.dll
Size 184KB
Sample240320-nsdx3sff53
SHA256 54cc02677ead7f7d7d77c372feec70c097dfc6a48ac765d8a97ad642f53592e8
MD5 d8b549150f14b0b3a37b7c44aa78ef07
SHA1 9e5766e3808be3f495a37fba08c40a78b63c4d8c
SHA512 8c72773b126cbe59b5b32e410d7b3d29eaeb112305cc89b423e81c8c8b8607e685019b1d7f9695ec5368158ba3eef80ae2aaea908be6db9b57b7a2f6e899ed4e
SSDEEP 3072:Hhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33J6VQcY:H3fOeIv54W6SFKfc9me9v9/J6V
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

51.79.50.122:443
222.124.142.67:10443
138.201.222.158:4664

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/4488-0-0x00000000754A0000-0x00000000754D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4392	4488	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 4488	1696	rundll32.exe	87
PID 1696 wrote to memory of 4488	1696	rundll32.exe	87
PID 1696 wrote to memory of 4488	1696	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8b549150f14b0b3a37b7c44aa78ef07.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8b549150f14b0b3a37b7c44aa78ef07.dll,#1
  2⤵
  PID:4488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 668
    3⤵
    - Program crash
    PID:4392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4488 -ip 4488
1⤵
PID:1388

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4488-0-0x00000000754A0000-0x00000000754D0000-memory.dmp

Download

memory/4488-1-0x00000000005D0000-0x00000000005D6000-memory.dmp