dridex | 647aa73999750857b8251b26909094d9254ec13abd85e3290b07bc8e9e7a9023

Analysis

max time kernel
136s
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
24/01/2024, 09:41

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General

Target
71e3947a2590cc26021497f78a0c950a.dll
Size 188KB
Sample240124-lpap5sfbfr
SHA256 647aa73999750857b8251b26909094d9254ec13abd85e3290b07bc8e9e7a9023
MD5 71e3947a2590cc26021497f78a0c950a
SHA1 218446f7b39e513c076f0e4f728fc1aff726b644
SHA512 3528c9e42dcb5d651fa40346ee779181b0feec1302ee191749c1a71130b0fad0f7475d30be116da454f877850bf01da314897fc97db1c8bc55956e0851bac300
SSDEEP 3072:fA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoro:fzIqATVfQeV2FZalKq6jtGJWuTmd
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/2552-0-0x00000000757D0000-0x0000000075800000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1936	2552	WerFault.exe	86

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 2552	4776	rundll32.exe	86
PID 4776 wrote to memory of 2552	4776	rundll32.exe	86
PID 4776 wrote to memory of 2552	4776	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71e3947a2590cc26021497f78a0c950a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\71e3947a2590cc26021497f78a0c950a.dll,#1
  2⤵
  PID:2552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 696
    3⤵
    - Program crash
    PID:1936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2552 -ip 2552
1⤵
PID:2432

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2552-0-0x00000000757D0000-0x0000000075800000-memory.dmp

Download

memory/2552-1-0x0000000000B40000-0x0000000000B46000-memory.dmp