dridex | 374ec49f42053a980974225022166af95658cc660377a4a111e1e13c9e81f575

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 18:44

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General

Target
b56866a18fdac299139e59abb37421e5.dll
Size 188KB
Sample240305-xdjdpaeb21
SHA256 374ec49f42053a980974225022166af95658cc660377a4a111e1e13c9e81f575
MD5 b56866a18fdac299139e59abb37421e5
SHA1 92a3571cf135c31f7ffad2045296117a4c48b373
SHA512 840f4fd9c509e0244a355d7862bfdab9d59a0458678c95cdbab597c3ed19f058c7f2cdf6de7610edd4ffd0749cfdac45c101cb1d433d065c2e4071a507170c59
SSDEEP 3072:WA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoSo:WzIqATVfQeV2FZalKq6jtGJWuTmd
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/2488-0-0x0000000074E40000-0x0000000074E70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2512	2488	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2488	2244	rundll32.exe	28
PID 2244 wrote to memory of 2488	2244	rundll32.exe	28
PID 2244 wrote to memory of 2488	2244	rundll32.exe	28
PID 2244 wrote to memory of 2488	2244	rundll32.exe	28
PID 2244 wrote to memory of 2488	2244	rundll32.exe	28
PID 2244 wrote to memory of 2488	2244	rundll32.exe	28
PID 2244 wrote to memory of 2488	2244	rundll32.exe	28
PID 2488 wrote to memory of 2512	2488	rundll32.exe	29
PID 2488 wrote to memory of 2512	2488	rundll32.exe	29
PID 2488 wrote to memory of 2512	2488	rundll32.exe	29
PID 2488 wrote to memory of 2512	2488	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b56866a18fdac299139e59abb37421e5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b56866a18fdac299139e59abb37421e5.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 308
    3⤵
    - Program crash
    PID:2512

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2488-0-0x0000000074E40000-0x0000000074E70000-memory.dmp

Download

memory/2488-1-0x00000000001E0000-0x00000000001E6000-memory.dmp