dridex | f73ba8d41a81e55d318d317830ba9c4c5932e3ea3ea201a4eaed162be9fc7f69

Analysis

max time kernel
27s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
19/04/2021, 23:37

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General

Target
f73ba8d41a81e55d318d317830ba9c4c5932e3ea3ea201a4eaed162be9fc7f69.dll
Size 162KB
Sample210419-2zhtjydrr2
SHA256 f73ba8d41a81e55d318d317830ba9c4c5932e3ea3ea201a4eaed162be9fc7f69
MD5 75382be839c4b22dcc96bbe9a78c5f83
SHA1 f80a7dc84674ca83602512ff39baed8d0eb28e6d
SHA512 d5536e4edcb272c5f9951c003ca5e84ecd76bcc859d23230b8053e9dfdcf8e2230c1483b1334fb72c5a760b397fabc5c7d7f6187356594b25ce8e3e3a0218e3f
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/1016-115-0x00000000742C0000-0x00000000742EE000-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 1016	640	rundll32.exe	68
PID 640 wrote to memory of 1016	640	rundll32.exe	68
PID 640 wrote to memory of 1016	640	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f73ba8d41a81e55d318d317830ba9c4c5932e3ea3ea201a4eaed162be9fc7f69.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f73ba8d41a81e55d318d317830ba9c4c5932e3ea3ea201a4eaed162be9fc7f69.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1016

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/1016-115-0x00000000742C0000-0x00000000742EE000-memory.dmp

Download

memory/1016-117-0x0000000000CF0000-0x0000000000CF6000-memory.dmp