dridex | bbca384e6af2c159da555e48d52306db0ff89a2293fe56981ec1cc6f1c047b58

Analysis

max time kernel
26s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
04/05/2021, 03:02

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General

Target
8de6f36f_by_Libranalysis.dll
Size 158KB
Sample210504-c8s8vrm3wx
SHA256 bbca384e6af2c159da555e48d52306db0ff89a2293fe56981ec1cc6f1c047b58
MD5 8de6f36f1a5d9e8a1dcba7d36d5d9350
SHA1 6cd5d2f2d41a31e80c5f50bd337eefcd6c88014d
SHA512 70ddab6795919aa1a29b995122bf9a821aa60f0f87f54e6fac315dab87d862ccad3722ae0264cbb3d64f113fa5814194bdd4c59d11bfbc8a194a3d1be2ca3cf9
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/3156-115-0x0000000074380000-0x00000000743AD000-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 3724 wrote to memory of 3156	3724	rundll32.exe	69
PID 3724 wrote to memory of 3156	3724	rundll32.exe	69
PID 3724 wrote to memory of 3156	3724	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8de6f36f_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8de6f36f_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3156

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/3156-115-0x0000000074380000-0x00000000743AD000-memory.dmp

Download

memory/3156-117-0x0000000004CB0000-0x0000000004CB6000-memory.dmp