dridex | 11f756b41bf2d8d0026b1040b93916f80d1fd7fa42bc351b566b229b92562788

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 04:24

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General

Target
d5305a4ae120182e8bd5ee6d5f98a3d4.dll
Size 188KB
Sample240319-e1t5laab5y
SHA256 11f756b41bf2d8d0026b1040b93916f80d1fd7fa42bc351b566b229b92562788
MD5 d5305a4ae120182e8bd5ee6d5f98a3d4
SHA1 b5d48db2fe3ea6bab67f8ff24189fac26c0e4f34
SHA512 40805156b949f85c0853ba3c800ab76cfec4899cada592f3689a958973c3e7c1809c556a0cc5b78a11218de55c16c0c8f173bbe21aed881281a5203ee7aab681
SSDEEP 3072:UA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoBo:UzIqATVfQeV2FZalKq6jtGJWuTmd
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/3624-0-0x0000000075550000-0x0000000075580000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3776	3624	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 3624	844	rundll32.exe	88
PID 844 wrote to memory of 3624	844	rundll32.exe	88
PID 844 wrote to memory of 3624	844	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5305a4ae120182e8bd5ee6d5f98a3d4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5305a4ae120182e8bd5ee6d5f98a3d4.dll,#1
  2⤵
  PID:3624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 688
    3⤵
    - Program crash
    PID:3776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3624 -ip 3624
1⤵
PID:1136

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3624-0-0x0000000075550000-0x0000000075580000-memory.dmp

Download

memory/3624-1-0x0000000000890000-0x0000000000896000-memory.dmp