dridex | 1d4b85e1b491f06bde4c24dba1add4699ba5cebae563eda46aed25b085a139a7 | Triage™

Analysis

max time kernel
39s
max time network
113s
platform
windows10_x64
resource
win10v20201028
submitted
24/12/2020, 06:51

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General

Target
zfaFOUkR.dll
Size 200KB
Sample201224-qjasjm7pd6
SHA256 1d4b85e1b491f06bde4c24dba1add4699ba5cebae563eda46aed25b085a139a7
MD5 3449f7185f5bbe30c0f1af3c27123143
SHA1 f53a9734ab4fa05eb43627fde95b44206eb5b32e
SHA512 12ec05d82abf0b51134a1dc897c0854586d4e49fe2c07ae6b5dde7c54927491433506f1c85b43c82c44ef823f8addb0cce6c842df905dde9ca2cadfc17f0531a
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

111

C2

51.75.24.85:443
213.202.229.72:3074
202.91.8.121:4643
195.231.69.151:3889

rc4.plain

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.

resource	yara_rule
behavioral2/memory/508-3-0x0000000074040000-0x000000007405F000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 508	1048	rundll32.exe	72
PID 1048 wrote to memory of 508	1048	rundll32.exe	72
PID 1048 wrote to memory of 508	1048	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\zfaFOUkR.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\zfaFOUkR.dll,#1
  2⤵
  PID:508

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/508-3-0x0000000074040000-0x000000007405F000-memory.dmp

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