dridex | a381462a082a648dc96038f5b51f4b22d3ea56c8d6eafc6ac897394e59b71897

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 14:20

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General

Target
bc065ce6298bac4f7580908e68dbc81f.dll
Size 188KB
Sample240309-rnx2yaae3x
SHA256 a381462a082a648dc96038f5b51f4b22d3ea56c8d6eafc6ac897394e59b71897
MD5 bc065ce6298bac4f7580908e68dbc81f
SHA1 5dfffb2a59cbdb78aa133e2bf02cdcdb52c65526
SHA512 8f6476d69103f237d89f949799e812c882b7a92a33315935318d7639afa0cf1403b056ff381e148f58e5684a78b26ac0d2ce2d210e31825d1706fb86b76012a4
SSDEEP 3072:UA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAolo: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
behavioral1/memory/2936-0-0x0000000074860000-0x0000000074890000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2064	2936	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2936	2924	rundll32.exe	28
PID 2924 wrote to memory of 2936	2924	rundll32.exe	28
PID 2924 wrote to memory of 2936	2924	rundll32.exe	28
PID 2924 wrote to memory of 2936	2924	rundll32.exe	28
PID 2924 wrote to memory of 2936	2924	rundll32.exe	28
PID 2924 wrote to memory of 2936	2924	rundll32.exe	28
PID 2924 wrote to memory of 2936	2924	rundll32.exe	28
PID 2936 wrote to memory of 2064	2936	rundll32.exe	29
PID 2936 wrote to memory of 2064	2936	rundll32.exe	29
PID 2936 wrote to memory of 2064	2936	rundll32.exe	29
PID 2936 wrote to memory of 2064	2936	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc065ce6298bac4f7580908e68dbc81f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc065ce6298bac4f7580908e68dbc81f.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 300
    3⤵
    - Program crash
    PID:2064

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2936-0-0x0000000074860000-0x0000000074890000-memory.dmp

Download

memory/2936-1-0x0000000000140000-0x0000000000146000-memory.dmp