dridex | 3342b3d55a6e9f563710cbe5f836e587e2c60c40f9113a9fa60be451cce2372c

Analysis

max time kernel
121s
max time network
121s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 10:40

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General

Target
3342b3d55a6e9f563710cbe5f836e587e2c60c40f9113a9fa60be451cce2372c.dll
Size 158KB
Sample210418-9d2cmc5tw6
SHA256 3342b3d55a6e9f563710cbe5f836e587e2c60c40f9113a9fa60be451cce2372c
MD5 81c31d4dc26b6568e0812c47b684f235
SHA1 aa1300bf91a4a958c18025d5627666cc0434ed67
SHA512 efc46df2f1f0f140a788c5b7b32b10646f40285a1498f983d5f298e41db492ef5cfb497b587ea911ff0b777c0fe27284ebc1a10c7e4e97c322569347ed31420d
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/3708-115-0x0000000073F20000-0x0000000073F4D000-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 4036 wrote to memory of 3708	4036	rundll32.exe	42
PID 4036 wrote to memory of 3708	4036	rundll32.exe	42
PID 4036 wrote to memory of 3708	4036	rundll32.exe	42

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3342b3d55a6e9f563710cbe5f836e587e2c60c40f9113a9fa60be451cce2372c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3342b3d55a6e9f563710cbe5f836e587e2c60c40f9113a9fa60be451cce2372c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3708

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/3708-115-0x0000000073F20000-0x0000000073F4D000-memory.dmp

Download

memory/3708-117-0x0000000003260000-0x0000000003266000-memory.dmp