dridex | 621622c8bae22374c526b242e1d021821c936cc4a24b0324241aa9e65e349a9e

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/02/2024, 09:36

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General

Target
a8d2fc8f4d2b4d37cbc4a8f7d4e7a24c.dll
Size 188KB
Sample240227-lk437aea21
SHA256 621622c8bae22374c526b242e1d021821c936cc4a24b0324241aa9e65e349a9e
MD5 a8d2fc8f4d2b4d37cbc4a8f7d4e7a24c
SHA1 fd67537ea1a062eba9e7ceee7fb94d070897a3b8
SHA512 7b7408449bb13f077b92fc78d077d76af7f579ae5ffe126d7ea15537e66d7d159453c6186ae9a186590626d5b51aaa0b70d1ca10ad7935cfdec01a15a91fa3ed
SSDEEP 3072:5A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoeo:5zIqATVfQeV2FZalKq6jtGJWuTmd
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
behavioral1/memory/2816-0-0x0000000074FD0000-0x0000000075000000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2544	2816	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 2816	1216	rundll32.exe	28
PID 1216 wrote to memory of 2816	1216	rundll32.exe	28
PID 1216 wrote to memory of 2816	1216	rundll32.exe	28
PID 1216 wrote to memory of 2816	1216	rundll32.exe	28
PID 1216 wrote to memory of 2816	1216	rundll32.exe	28
PID 1216 wrote to memory of 2816	1216	rundll32.exe	28
PID 1216 wrote to memory of 2816	1216	rundll32.exe	28
PID 2816 wrote to memory of 2544	2816	rundll32.exe	29
PID 2816 wrote to memory of 2544	2816	rundll32.exe	29
PID 2816 wrote to memory of 2544	2816	rundll32.exe	29
PID 2816 wrote to memory of 2544	2816	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8d2fc8f4d2b4d37cbc4a8f7d4e7a24c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8d2fc8f4d2b4d37cbc4a8f7d4e7a24c.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 308
    3⤵
    - Program crash
    PID:2544

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2816-0-0x0000000074FD0000-0x0000000075000000-memory.dmp

Download

memory/2816-1-0x00000000001A0000-0x00000000001A6000-memory.dmp