dridex | 21cedd0b9b0a7a8a2b310957237acd3f75fd6837e6c8b28b09cc6bf0d5915542

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 00:02

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General

Target

21cedd0b9b0a7a8a2b310957237acd3f75fd6837e6c8b28b09cc6bf0d5915542.dll
Size

608KB
MD5

5fe77ca1d44b7bb3d67cdf1ee74c3353
SHA1

08bd81e3e0192e977aa7eff7dc51b13fac44069f
SHA256

21cedd0b9b0a7a8a2b310957237acd3f75fd6837e6c8b28b09cc6bf0d5915542
SHA512

474c19c4dc114e2ed00829bac89c561c24b6fcb6244bf982488b0a3e162d57a542366cbf2603b9876fcbe446c6fbdada35add7c95e9edd7f4f3b59f999ca7dd1
SSDEEP

12288:fZGQdqOGiDJqydLqQSeCqsVK8kPRGO35N9mVPzXc64:fZ0gWjeCVVK8kP9N9oLG

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

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
Dridex family
dridex

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow	pid	Process
3	2448	rundll32.exe
5	2448	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 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21cedd0b9b0a7a8a2b310957237acd3f75fd6837e6c8b28b09cc6bf0d5915542.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\21cedd0b9b0a7a8a2b310957237acd3f75fd6837e6c8b28b09cc6bf0d5915542.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2448

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/2448-0-0x0000000000570000-0x00000000006A4000-memory.dmp

Filesize
1.2MB

Download
memory/2448-2-0x0000000000570000-0x00000000006A4000-memory.dmp

Filesize
1.2MB

Download
memory/2448-6-0x0000000000570000-0x00000000006A4000-memory.dmp

Filesize
1.2MB

Download
memory/2448-4-0x0000000000570000-0x00000000006A4000-memory.dmp

Filesize
1.2MB

Download
memory/2448-3-0x0000000000604000-0x000000000060A000-memory.dmp

Filesize
24KB

Download
memory/2448-7-0x0000000000570000-0x00000000006A4000-memory.dmp

Filesize
1.2MB

Download