dridex | fb9b1d2fe574c679d2d0f7e2117260c0d294e4544fa33d1093f1a984cf6a1c53

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
17/01/2024, 01:10

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General

Target
6159a64054bfeb584b01d1ce233880ba.dll
Size 188KB
Sample240117-bjs97aeadn
SHA256 fb9b1d2fe574c679d2d0f7e2117260c0d294e4544fa33d1093f1a984cf6a1c53
MD5 6159a64054bfeb584b01d1ce233880ba
SHA1 85c70614311d5d741a0cb31979a1d4e80f128aa1
SHA512 b3d567ec5b0731155403d100c31a4ddf8b5614834d1134d02ad17a8ed1615f913cbba3f069b9b247ac10a2dea4f39e67650187ca74fae4cf7d640fcba9ab8d53
SSDEEP 3072:GA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoxo: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
behavioral2/memory/1200-0-0x0000000075790000-0x00000000757C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5112	1200	WerFault.exe	86

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 1200	1484	rundll32.exe	86
PID 1484 wrote to memory of 1200	1484	rundll32.exe	86
PID 1484 wrote to memory of 1200	1484	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6159a64054bfeb584b01d1ce233880ba.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6159a64054bfeb584b01d1ce233880ba.dll,#1
  2⤵
  PID:1200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 692
    3⤵
    - Program crash
    PID:5112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1200 -ip 1200
1⤵
PID:4224

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1200-0-0x0000000075790000-0x00000000757C0000-memory.dmp

Download

memory/1200-1-0x00000000008E0000-0x00000000008E6000-memory.dmp