dridex | 7c7c0158381f683d35c703adbd32ba33ff810585aff38a5888be8b235b772a46

Analysis

max time kernel
141s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 07:35

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General

Target

66562be2e93162d4f91c9c6fa7a79c7dc270eda727488eada10a24b6c23dd62d.dll
Size

664KB
MD5

9204f297656515a422d2d6403d26115f
SHA1

7b0bfe9bba9c133fd455f60c7d0627bbc9d9c2a6
SHA256

66562be2e93162d4f91c9c6fa7a79c7dc270eda727488eada10a24b6c23dd62d
SHA512

406c8f49086b35dea2ed9eb42ec29c5fb468dc317369c3d19a4e2206714e04c574006f50d8edef8b9ebb60d642c7b2059aed51b9a9cc41d717e42572e465c0de
SSDEEP

12288:q/0Qzqf0e7i489M+6TFKywVt6PbEYU0eyJTT/Mu9oV01u9oaEPu:g0zh7yn6TFKywvCbEOxDMu9oyfaEPu

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Blocklisted process makes network request 1 IoCs

flow	pid	Process
28	1084	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 1084	540	rundll32.exe	84
PID 540 wrote to memory of 1084	540	rundll32.exe	84
PID 540 wrote to memory of 1084	540	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66562be2e93162d4f91c9c6fa7a79c7dc270eda727488eada10a24b6c23dd62d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\66562be2e93162d4f91c9c6fa7a79c7dc270eda727488eada10a24b6c23dd62d.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1084-4-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1084-3-0x00000000004A2000-0x00000000004A8000-memory.dmp

Filesize
24KB

Download
memory/1084-0-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1084-6-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download