dridex | 0be66f5908d57d096ec76799514ee5bff378e8f8471765583c622f69c318d855

Analysis

max time kernel
142s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 07:19

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General

Target

990ec0811faa820e58006989d75d485a6a1acc41f51e5d6311e3bdb3ea1c0b9b.dll
Size

620KB
MD5

e43f171d207bf9834207573433d16e19
SHA1

832b1a2017e05ad244fd598940d04888947f60fc
SHA256

990ec0811faa820e58006989d75d485a6a1acc41f51e5d6311e3bdb3ea1c0b9b
SHA512

022d824b87c2800c17d9a42537b4e5702f7054cb8e84f798406f1caeba56f411627c58248d52da3e2c0b57d7c2b236d55be7edcf0d20b1a8c30916c9c7c8f030
SSDEEP

12288:RE6rSit4Gbs3j09TMmonCh5atbz9+eoQoUZpDd7Da1nX9y1ZO/zFZxL:fezz3j0dMZnCutz4zI5xDwXUPmR

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

Processes:

rundll32.exe

flow	pid	Process
26	4720	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

Processes:

rundll32.exe

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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2156 wrote to memory of 4720	2156	rundll32.exe	83
PID 2156 wrote to memory of 4720	2156	rundll32.exe	83
PID 2156 wrote to memory of 4720	2156	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\990ec0811faa820e58006989d75d485a6a1acc41f51e5d6311e3bdb3ea1c0b9b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\990ec0811faa820e58006989d75d485a6a1acc41f51e5d6311e3bdb3ea1c0b9b.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4720

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

Replay Monitor

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Downloads

memory/4720-0-0x00000000009A0000-0x0000000000AD9000-memory.dmp

Filesize
1.2MB

Download
memory/4720-6-0x00000000009A0000-0x0000000000AD9000-memory.dmp

Filesize
1.2MB

Download
memory/4720-5-0x0000000000A37000-0x0000000000A3D000-memory.dmp

Filesize
24KB

Download
memory/4720-2-0x00000000009A0000-0x0000000000AD9000-memory.dmp

Filesize
1.2MB

Download
memory/4720-7-0x00000000009A0000-0x0000000000AD9000-memory.dmp

Filesize
1.2MB

Download