dridex | 62c1e2280d12687b051d3dcfa4d85f2502460c6a8f3d8e2f09150ef15cb123e0

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:14

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General

Target

62c1e2280d12687b051d3dcfa4d85f2502460c6a8f3d8e2f09150ef15cb123e0.dll
Size

188KB
MD5

c574ad13b3d644561eafd33c95ab3d6d
SHA1

58c1df39453b29fd84ded68cb97007e27210e050
SHA256

62c1e2280d12687b051d3dcfa4d85f2502460c6a8f3d8e2f09150ef15cb123e0
SHA512

0af44977453b766a06f36e59581448d3f45da12900cc100052f07c34519194012612adaf2b50d593a02a71ce66c825d32c1e0b87c6460cf8d9f16f592032765d
SSDEEP

3072:eteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz49qM:Wq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2528-1-0x00000000747A0000-0x00000000747D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2088	2528	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2528	2388	rundll32.exe	30
PID 2388 wrote to memory of 2528	2388	rundll32.exe	30
PID 2388 wrote to memory of 2528	2388	rundll32.exe	30
PID 2388 wrote to memory of 2528	2388	rundll32.exe	30
PID 2388 wrote to memory of 2528	2388	rundll32.exe	30
PID 2388 wrote to memory of 2528	2388	rundll32.exe	30
PID 2388 wrote to memory of 2528	2388	rundll32.exe	30
PID 2528 wrote to memory of 2088	2528	rundll32.exe	31
PID 2528 wrote to memory of 2088	2528	rundll32.exe	31
PID 2528 wrote to memory of 2088	2528	rundll32.exe	31
PID 2528 wrote to memory of 2088	2528	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\62c1e2280d12687b051d3dcfa4d85f2502460c6a8f3d8e2f09150ef15cb123e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\62c1e2280d12687b051d3dcfa4d85f2502460c6a8f3d8e2f09150ef15cb123e0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 300
    3⤵
    - Program crash
    PID:2088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2528-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2528-1-0x00000000747A0000-0x00000000747D0000-memory.dmp

Filesize
192KB

Download
memory/2528-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download