dridex | f671d78c4e80cfda13ed0f648835726b742cd33aa65f5c77da42ad565d799b14

Analysis

max time kernel
19s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
17/04/2021, 14:55

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General

Target
f671d78c4e80cfda13ed0f648835726b742cd33aa65f5c77da42ad565d799b14.dll
Size 162KB
Sample210417-d4ygrnt38x
SHA256 f671d78c4e80cfda13ed0f648835726b742cd33aa65f5c77da42ad565d799b14
MD5 8a457b00cc9a524263e600ac9ffa263f
SHA1 a80f3642e5fca1a7d5a0dfe91fadc1b64d828f48
SHA512 25195d30fa82f289609b393e2df3cb7598631be9a3c955e42a89c5a0afbda1b6f2a0bdb95fce910b279e9c3367aa805e66007423552e8e43e3734a262a5c330e
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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
behavioral2/memory/348-115-0x00000000736B0000-0x00000000736DE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 348	3680	rundll32.exe	71
PID 3680 wrote to memory of 348	3680	rundll32.exe	71
PID 3680 wrote to memory of 348	3680	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f671d78c4e80cfda13ed0f648835726b742cd33aa65f5c77da42ad565d799b14.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f671d78c4e80cfda13ed0f648835726b742cd33aa65f5c77da42ad565d799b14.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:348

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/348-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/348-117-0x0000000003230000-0x0000000003236000-memory.dmp