dridex | bf40879488accf0a7c4fe70eaf309a1bda0247271574c99b05d05bd028c2a6a7

Analysis

max time kernel
148s
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
27/02/2024, 23:39

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General

Target
aa722877e65f717ebe9ae536f673cd68.dll
Size 188KB
Sample240227-3nsb8sec77
SHA256 bf40879488accf0a7c4fe70eaf309a1bda0247271574c99b05d05bd028c2a6a7
MD5 aa722877e65f717ebe9ae536f673cd68
SHA1 ee7b144428e00e2c32b48b6ada66ee0670b3976d
SHA512 07ee088c1aa781dac74391e8cde3c9c427232c20f32320eb95fce70eba8bf97b3c76c5a262a6223728592e63604b42a60de5028d8e095d2999035feee0777e3a
SSDEEP 3072:PA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo8o:PzIqATVfQeV2FZalKq6jtGJWuTmd
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/2716-0-0x0000000075420000-0x0000000075450000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4064	2716	WerFault.exe	86

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2716	1152	rundll32.exe	86
PID 1152 wrote to memory of 2716	1152	rundll32.exe	86
PID 1152 wrote to memory of 2716	1152	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa722877e65f717ebe9ae536f673cd68.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa722877e65f717ebe9ae536f673cd68.dll,#1
  2⤵
  PID:2716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 688
    3⤵
    - Program crash
    PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2716 -ip 2716
1⤵
PID:3428

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2716-0-0x0000000075420000-0x0000000075450000-memory.dmp

Download

memory/2716-1-0x0000000000F80000-0x0000000000F86000-memory.dmp