dridex | 532754045a9703b94d6b2bd7de3253f97928df2e9fe16b60db388b05e8db8ad4

Analysis

max time kernel
148s
max time network
154s
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, 23:24

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General

Target
aa6ad4a07b87439a87efefaa33c5496b.dll
Size 188KB
Sample240227-3d7deaeb6v
SHA256 532754045a9703b94d6b2bd7de3253f97928df2e9fe16b60db388b05e8db8ad4
MD5 aa6ad4a07b87439a87efefaa33c5496b
SHA1 66418b5647816085cbf69984f4dd6f854b4696e5
SHA512 b6eb7f8e2e0583e7ac563c130c2b8d91ca351432b9a326fa0f7cfb3a0460d9e2c459a40edff65bea3c5adab59223381c5854e52df1f3d1b9f975a0273d50939e
SSDEEP 3072:aA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoxo:azIqATVfQeV2FZalKq6jtGJWuTmd
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/3948-0-0x0000000074B40000-0x0000000074B70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2936	3948	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 3948	1604	rundll32.exe	87
PID 1604 wrote to memory of 3948	1604	rundll32.exe	87
PID 1604 wrote to memory of 3948	1604	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa6ad4a07b87439a87efefaa33c5496b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa6ad4a07b87439a87efefaa33c5496b.dll,#1
  2⤵
  PID:3948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 688
    3⤵
    - Program crash
    PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3948 -ip 3948
1⤵
PID:1976

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3948-0-0x0000000074B40000-0x0000000074B70000-memory.dmp

Download

memory/3948-1-0x0000000000FA0000-0x0000000000FA6000-memory.dmp