dridex | 81f4c28d1165d4072ff3707b2284cd8228a8a3595a7ef1ff60ed0e0c1056b073

Analysis

max time kernel
124s
max time network
125s
platform
windows10_x64
resource
win10v20210408
submitted
16/04/2021, 00:11

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General

Target
81f4c28d1165d4072ff3707b2284cd8228a8a3595a7ef1ff60ed0e0c1056b073.dll
Size 162KB
Sample210416-dzfvzgn79e
SHA256 81f4c28d1165d4072ff3707b2284cd8228a8a3595a7ef1ff60ed0e0c1056b073
MD5 6d0f013930573f6a3fa75daee0421d7f
SHA1 4664472a9d724a15e02d509ad00ebbc672f9fb41
SHA512 29791531a25a70b397eac8fef67c4c5f0f908d83a7f97b7af0cb7afc064e4ea999ac22c86482cd5a7e98a82b43c4b86a00f04373f64708b9cc1eea248d045f69
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/1276-115-0x0000000074260000-0x000000007428E000-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 424 wrote to memory of 1276	424	rundll32.exe	69
PID 424 wrote to memory of 1276	424	rundll32.exe	69
PID 424 wrote to memory of 1276	424	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81f4c28d1165d4072ff3707b2284cd8228a8a3595a7ef1ff60ed0e0c1056b073.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:424
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\81f4c28d1165d4072ff3707b2284cd8228a8a3595a7ef1ff60ed0e0c1056b073.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1276

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/1276-115-0x0000000074260000-0x000000007428E000-memory.dmp

Download

memory/1276-117-0x0000000003100000-0x0000000003106000-memory.dmp