dridex | 1ac3ba194cb8c491643b79335e07f88ad2eebd1a31eb8162cf8d8ed1ea2ad916

Analysis

max time kernel
26s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
18/04/2021, 21:39

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General

Target
1ac3ba194cb8c491643b79335e07f88ad2eebd1a31eb8162cf8d8ed1ea2ad916.dll
Size 162KB
Sample210418-47f3ba9ege
SHA256 1ac3ba194cb8c491643b79335e07f88ad2eebd1a31eb8162cf8d8ed1ea2ad916
MD5 98933e0d5b989af008ae87b9013caac0
SHA1 3ba146874be605a82d82575a8bfb413627ce8009
SHA512 c90a67de71f7e08c0dcb7f26ae9e41dfb93be844d0ce4f96149c770287519c97ee1064b7d319d7784e4a0fc51445bae3c6ec87eb8d3b8be6c5154d7aeb580aa6
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/4020-115-0x0000000074390000-0x00000000743BE000-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 572 wrote to memory of 4020	572	rundll32.exe	69
PID 572 wrote to memory of 4020	572	rundll32.exe	69
PID 572 wrote to memory of 4020	572	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ac3ba194cb8c491643b79335e07f88ad2eebd1a31eb8162cf8d8ed1ea2ad916.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ac3ba194cb8c491643b79335e07f88ad2eebd1a31eb8162cf8d8ed1ea2ad916.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4020

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/4020-115-0x0000000074390000-0x00000000743BE000-memory.dmp

Download

memory/4020-117-0x0000000000500000-0x0000000000506000-memory.dmp