dridex | bc50d9b2ee2ce4a6ef46a0c8b3b362083c5df8d8887b11bf7be1d1ef925f45e0

Analysis

max time kernel
122s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 06:20

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General

Target
bc50d9b2ee2ce4a6ef46a0c8b3b362083c5df8d8887b11bf7be1d1ef925f45e0.dll
Size 162KB
Sample210419-v12lpv5t4e
SHA256 bc50d9b2ee2ce4a6ef46a0c8b3b362083c5df8d8887b11bf7be1d1ef925f45e0
MD5 515cb634365d18f5f1d10dd8c46761bd
SHA1 6a8f6e200aca3662ccf9fa5ede5aef21b0344762
SHA512 b702d7a2c4a87734e3e13c8362e7253411adb1b524eefae32b9f15590673a67ed53d351de67f27b2afb36732de10aff35cd29678759f374f535e0683c364e593
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/1792-115-0x00000000739B0000-0x00000000739DE000-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 2184 wrote to memory of 1792	2184	rundll32.exe	70
PID 2184 wrote to memory of 1792	2184	rundll32.exe	70
PID 2184 wrote to memory of 1792	2184	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc50d9b2ee2ce4a6ef46a0c8b3b362083c5df8d8887b11bf7be1d1ef925f45e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc50d9b2ee2ce4a6ef46a0c8b3b362083c5df8d8887b11bf7be1d1ef925f45e0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1792

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/1792-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Download

memory/1792-117-0x0000000000300000-0x0000000000306000-memory.dmp