dridex | f730eb3526c61647dd5b86c53742089c11dcfeb59129ea726b67b6a5d816e0e9

Analysis

max time kernel
110s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 07:50

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General

Target

129a77c3d3ff91004b60bd1f46119afc.dll
Size

188KB
MD5

129a77c3d3ff91004b60bd1f46119afc
SHA1

9d128744e85dadf2b60ff93b398dc628b1b872b6
SHA256

f730eb3526c61647dd5b86c53742089c11dcfeb59129ea726b67b6a5d816e0e9
SHA512

6330caf0a138418e985b262dd2f0639a2921691d813f09e347725b091dbc84147e7bb7f53138bbfa004cac333f7ed031c528d91e53a1694319951ba31bf541f1
SSDEEP

3072:PA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoQo:PzIqATVfQeV2FZalKq6jtGJWuTmd

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/3916-0-0x0000000074B50000-0x0000000074B80000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2332	3916	WerFault.exe	15

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 3916	792	rundll32.exe	15
PID 792 wrote to memory of 3916	792	rundll32.exe	15
PID 792 wrote to memory of 3916	792	rundll32.exe	15

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\129a77c3d3ff91004b60bd1f46119afc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\129a77c3d3ff91004b60bd1f46119afc.dll,#1
  2⤵
  PID:3916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 664
    3⤵
    - Program crash
    PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3916 -ip 3916
1⤵
PID:4468

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3916-2-0x0000000001110000-0x0000000001116000-memory.dmp

Filesize
24KB

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memory/3916-0-0x0000000074B50000-0x0000000074B80000-memory.dmp

Filesize
192KB

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