dridex | 548241c1a16bde3abdf99b6e920e0678788ef171b41aba55e919ee4789513e5a

Analysis

max time kernel
115s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2024 15:11

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General

Target

3d2d99b418c9266697bb8bf1966eaf8c.dll
Size

188KB
MD5

3d2d99b418c9266697bb8bf1966eaf8c
SHA1

19bf8b3bdf11b04f20375590b518acc052678fb8
SHA256

548241c1a16bde3abdf99b6e920e0678788ef171b41aba55e919ee4789513e5a
SHA512

9569d9676c29a308bb730fc3c70f1c86bc0d877e906276e09437fba73df7e8c0ffd01df5a53975eb60fb3c1a4c6c4c4847b2586e0974aab21b216b7a0673e560
SSDEEP

3072:SA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoCo:SzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1772-0-0x0000000074910000-0x0000000074940000-memory.dmp	dridex_ldr
behavioral2/memory/1772-2-0x0000000074910000-0x0000000074940000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2736	1772	WerFault.exe	79

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 1772	4976	rundll32.exe	79
PID 4976 wrote to memory of 1772	4976	rundll32.exe	79
PID 4976 wrote to memory of 1772	4976	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d2d99b418c9266697bb8bf1966eaf8c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d2d99b418c9266697bb8bf1966eaf8c.dll,#1
  2⤵
  PID:1772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 688
    3⤵
    - Program crash
    PID:2736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1772 -ip 1772
1⤵
PID:3012

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1772-1-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/1772-0-0x0000000074910000-0x0000000074940000-memory.dmp

Filesize
192KB

Download
memory/1772-2-0x0000000074910000-0x0000000074940000-memory.dmp

Filesize
192KB

Download