dridex | 2bf1d1a63a001bbd8bff74e1f10195ea6f3e9d48a7b76cd5ace2ab4d68d79471

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
17/04/2021, 08:37

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General

Target
2bf1d1a63a001bbd8bff74e1f10195ea6f3e9d48a7b76cd5ace2ab4d68d79471.dll
Size 162KB
Sample210417-c8p2xmrncs
SHA256 2bf1d1a63a001bbd8bff74e1f10195ea6f3e9d48a7b76cd5ace2ab4d68d79471
MD5 99f0fa4e78c7d0359438004ccc0a4ae6
SHA1 05912df46daf2989bfa28409a9c41b8205ce8896
SHA512 e2e092193c8d0fa582ac7441a20a8268542b541abb325b47ef7f771e40209d2742cbd696bf51f1499091793d8d622887f3a9672a206f2992ba98d6163f503477
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/3696-115-0x0000000074380000-0x00000000743AE000-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 3200 wrote to memory of 3696	3200	rundll32.exe	69
PID 3200 wrote to memory of 3696	3200	rundll32.exe	69
PID 3200 wrote to memory of 3696	3200	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bf1d1a63a001bbd8bff74e1f10195ea6f3e9d48a7b76cd5ace2ab4d68d79471.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bf1d1a63a001bbd8bff74e1f10195ea6f3e9d48a7b76cd5ace2ab4d68d79471.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3696

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/3696-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/3696-117-0x0000000003360000-0x00000000034AA000-memory.dmp