dridex | a5be075d6f86ee564bb4ce0e2c232df887dfa7f7e6b682feca17657283436622

Analysis

max time kernel
146s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 19:35

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General

Target

37e550e833ef4681b290ed330a62dea1.dll
Size

188KB
MD5

37e550e833ef4681b290ed330a62dea1
SHA1

58f3a3693bdddaf78da99175c655c76be2b7c1dc
SHA256

a5be075d6f86ee564bb4ce0e2c232df887dfa7f7e6b682feca17657283436622
SHA512

2b69ec5a7980437a2f400852bee95bc4e8e82abd52b3d91978cbb0d8650f432cdc5c64ac7dc675f36b32ab0c45ca81a258dbdc46d4a816e41a271a31cd0c188a
SSDEEP

3072:vA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoNo:vzIqATVfQeV2FZalKq6jtGJWuTmd

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/4500-1-0x00000000753F0000-0x0000000075420000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2032	4500	WerFault.exe	89

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 4500	2612	rundll32.exe	89
PID 2612 wrote to memory of 4500	2612	rundll32.exe	89
PID 2612 wrote to memory of 4500	2612	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\37e550e833ef4681b290ed330a62dea1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\37e550e833ef4681b290ed330a62dea1.dll,#1
  2⤵
  PID:4500
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 688
    3⤵
    - Program crash
    PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4500 -ip 4500
1⤵
PID:1676

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4500-0-0x00000000014F0000-0x00000000014F6000-memory.dmp

Filesize
24KB

Download
memory/4500-1-0x00000000753F0000-0x0000000075420000-memory.dmp

Filesize
192KB

Download
memory/4500-4-0x00000000014F0000-0x00000000014F6000-memory.dmp

Filesize
24KB

Download