dridex | 4a6f8bde8dc8d37ce49f6aac468e75051cf1426745c8b528684a28ab02be9ff8

Analysis

max time kernel
140s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 23:43

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General

Target

7f111c8a7c0ebd8a6239aa9825842d8f9d058ff2524f3679dfe9cd1f93604725.dll
Size

608KB
MD5

69d40847a79881bcfa7ebf1e45b62fa1
SHA1

22647b767bdcaa33b253bc8737584d717ac82b77
SHA256

7f111c8a7c0ebd8a6239aa9825842d8f9d058ff2524f3679dfe9cd1f93604725
SHA512

d9813596f839ff78231e0d6f0712fd7c688a054cefb587074ddd901a5577b25bd5fc80f0acdebbc17439ce7864752088f56e1fd6b2712a31fcfb933f5ed5a115
SSDEEP

12288:NZGQdqOGA1JqydLqQSeCqsVK8kPRGO35N9mV1zXc6w:NZ0sWjeCVVK8kP9N9oJ+

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
17	4220	rundll32.exe
40	4220	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 3600 wrote to memory of 4220	3600	rundll32.exe	83
PID 3600 wrote to memory of 4220	3600	rundll32.exe	83
PID 3600 wrote to memory of 4220	3600	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f111c8a7c0ebd8a6239aa9825842d8f9d058ff2524f3679dfe9cd1f93604725.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f111c8a7c0ebd8a6239aa9825842d8f9d058ff2524f3679dfe9cd1f93604725.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4220

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/4220-0-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/4220-4-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/4220-3-0x0000000000494000-0x000000000049A000-memory.dmp

Filesize
24KB

Download
memory/4220-5-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download