dridex | fb7192ea27821645652378d0e48237fb104e0162b97237f00621a716b8b71217

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 18:47

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General

Target
b56a04cabc5fa882a4bebe657439a2e4.dll
Size 184KB
Sample240305-xfdafsfb63
SHA256 fb7192ea27821645652378d0e48237fb104e0162b97237f00621a716b8b71217
MD5 b56a04cabc5fa882a4bebe657439a2e4
SHA1 8a5a2810c4fd0954e1a96ae5a835e8f567b7df8e
SHA512 d74544a1ededdc23f38f0d69039479ebed83ea69a8194373aeca25eda3f43490b3813a2c7a2996256ba98398682ed0e2147ff5f96a73dc7c38480d3382ef3792
SSDEEP 3072:qhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JJVQcY:q3fOeIv54W6SFKfc9me9v9/JJV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

51.79.50.122:443
222.124.142.67:10443
138.201.222.158:4664

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
behavioral1/memory/2936-0-0x0000000074BA0000-0x0000000074BD0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2936	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2936	2884	rundll32.exe	28
PID 2884 wrote to memory of 2936	2884	rundll32.exe	28
PID 2884 wrote to memory of 2936	2884	rundll32.exe	28
PID 2884 wrote to memory of 2936	2884	rundll32.exe	28
PID 2884 wrote to memory of 2936	2884	rundll32.exe	28
PID 2884 wrote to memory of 2936	2884	rundll32.exe	28
PID 2884 wrote to memory of 2936	2884	rundll32.exe	28
PID 2936 wrote to memory of 2756	2936	rundll32.exe	29
PID 2936 wrote to memory of 2756	2936	rundll32.exe	29
PID 2936 wrote to memory of 2756	2936	rundll32.exe	29
PID 2936 wrote to memory of 2756	2936	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b56a04cabc5fa882a4bebe657439a2e4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b56a04cabc5fa882a4bebe657439a2e4.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 280
    3⤵
    - Program crash
    PID:2756

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2936-0-0x0000000074BA0000-0x0000000074BD0000-memory.dmp

Download

memory/2936-1-0x00000000001D0000-0x00000000001D6000-memory.dmp