dridex | 44f7abcb47400023b41e7bdae9ab739a3d84f36e0e3bf341c6dfd1e58046dd07

Analysis

max time kernel
36s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
15/04/2021, 14:12

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General

Target
44f7abcb47400023b41e7bdae9ab739a3d84f36e0e3bf341c6dfd1e58046dd07.dll
Size 158KB
Sample210415-q8rctrj46j
SHA256 44f7abcb47400023b41e7bdae9ab739a3d84f36e0e3bf341c6dfd1e58046dd07
MD5 5af238731b7a441ff1803aab3587e332
SHA1 30126b6f4b0747ffb6faca1bb535f0f637573fa6
SHA512 5e24df358b4f0d58e6800d9bf9bd589c0371e7932f874c1e247fcf6ce0a50731e65b69c26abd60015937c3e9d0959625e998ac15c77ef1417aa7b26862838e23
MD5 SHA1 SHA512

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

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/1400-115-0x0000000073FB0000-0x0000000073FDD000-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 640 wrote to memory of 1400	640	rundll32.exe	71
PID 640 wrote to memory of 1400	640	rundll32.exe	71
PID 640 wrote to memory of 1400	640	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\44f7abcb47400023b41e7bdae9ab739a3d84f36e0e3bf341c6dfd1e58046dd07.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\44f7abcb47400023b41e7bdae9ab739a3d84f36e0e3bf341c6dfd1e58046dd07.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1400

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/1400-115-0x0000000073FB0000-0x0000000073FDD000-memory.dmp

Download

memory/1400-117-0x0000000000720000-0x0000000000726000-memory.dmp