dridex | 64e9813457f649f5879097bc930af403ea05f5b45edd981ccc50366e46e9092e

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
17/04/2021, 16:23

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General

Target
64e9813457f649f5879097bc930af403ea05f5b45edd981ccc50366e46e9092e.dll
Size 162KB
Sample210417-b7qbnte61x
SHA256 64e9813457f649f5879097bc930af403ea05f5b45edd981ccc50366e46e9092e
MD5 3ca67a95eda247a9b08da010b125691d
SHA1 834aeabf67aca7ec113e46a383889dfd0809cd66
SHA512 f90af679c1e3e01df1a32411bae026799a7f1b07f696e545cea36747d168b7a2b856694756a9c4c49107fb2f7b0698d7862c7617255af043cf787098ad208139
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/3908-115-0x00000000735D0000-0x00000000735FE000-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 3912 wrote to memory of 3908	3912	rundll32.exe	70
PID 3912 wrote to memory of 3908	3912	rundll32.exe	70
PID 3912 wrote to memory of 3908	3912	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\64e9813457f649f5879097bc930af403ea05f5b45edd981ccc50366e46e9092e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\64e9813457f649f5879097bc930af403ea05f5b45edd981ccc50366e46e9092e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3908

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/3908-115-0x00000000735D0000-0x00000000735FE000-memory.dmp

Download

memory/3908-117-0x00000000002F0000-0x00000000002F6000-memory.dmp