dridex | 278402890be7324eea3ecf3deca37b16644f88636d0310ec14b8626ddd5ea842

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
19/01/2024, 01:35

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General

Target

668de6f51e53eb66126e912c5f889e81.dll
Size

188KB
MD5

668de6f51e53eb66126e912c5f889e81
SHA1

800c284abe012e513a8d5dcebe9c968ace4603b6
SHA256

278402890be7324eea3ecf3deca37b16644f88636d0310ec14b8626ddd5ea842
SHA512

b4b6d2229e05c5b060f5fc257285f5398361d01454da60ee395c3ec554d80d2d04f0eff5250bbe6b251107c3a3f1fb60eaf2abb8cd3caf4b73fe633ca107d3f7
SSDEEP

3072:0A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoNo:0zIqATVfQeV2FZalKq6jtGJWuTmd

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2152-0-0x0000000075190000-0x00000000751C0000-memory.dmp	dridex_ldr
behavioral1/memory/2152-2-0x0000000075190000-0x00000000751C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2912	2152	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2152	3064	rundll32.exe	28
PID 3064 wrote to memory of 2152	3064	rundll32.exe	28
PID 3064 wrote to memory of 2152	3064	rundll32.exe	28
PID 3064 wrote to memory of 2152	3064	rundll32.exe	28
PID 3064 wrote to memory of 2152	3064	rundll32.exe	28
PID 3064 wrote to memory of 2152	3064	rundll32.exe	28
PID 3064 wrote to memory of 2152	3064	rundll32.exe	28
PID 2152 wrote to memory of 2912	2152	rundll32.exe	29
PID 2152 wrote to memory of 2912	2152	rundll32.exe	29
PID 2152 wrote to memory of 2912	2152	rundll32.exe	29
PID 2152 wrote to memory of 2912	2152	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\668de6f51e53eb66126e912c5f889e81.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\668de6f51e53eb66126e912c5f889e81.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 300
    3⤵
    - Program crash
    PID:2912

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2152-0-0x0000000075190000-0x00000000751C0000-memory.dmp

Filesize
192KB

Download
memory/2152-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2152-2-0x0000000075190000-0x00000000751C0000-memory.dmp

Filesize
192KB

Download