dridex | 022f8c16cd3586056eeb34ed23905ca5135ed8e5a2cbc2371b95cf07641cf92b

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 09:20

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General

Target

4d5ebad273e4dece0aa578f4a211db50N.dll
Size

184KB
MD5

4d5ebad273e4dece0aa578f4a211db50
SHA1

ffda64ad1824c6be95338b87cc527c3d967fecd9
SHA256

022f8c16cd3586056eeb34ed23905ca5135ed8e5a2cbc2371b95cf07641cf92b
SHA512

b3fd606a7c207aa2339539a3927e1d2aae41511c497bc1cf7c0b42e7e22091984c615347d129125046817c8937f02f6dcb8236461919894ce9edd1fb846f2caf
SSDEEP

3072:XW8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmAWx9ixCH0u:m8qh+66QsRdNiBW/06ngmAWexC

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2708-0-0x00000000744B0000-0x00000000744E0000-memory.dmp	dridex_ldr
behavioral1/memory/2708-1-0x00000000744B0000-0x00000000744E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	2708	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 2264 wrote to memory of 2708	2264	rundll32.exe	30
PID 2264 wrote to memory of 2708	2264	rundll32.exe	30
PID 2264 wrote to memory of 2708	2264	rundll32.exe	30
PID 2264 wrote to memory of 2708	2264	rundll32.exe	30
PID 2264 wrote to memory of 2708	2264	rundll32.exe	30
PID 2264 wrote to memory of 2708	2264	rundll32.exe	30
PID 2264 wrote to memory of 2708	2264	rundll32.exe	30
PID 2708 wrote to memory of 2352	2708	rundll32.exe	31
PID 2708 wrote to memory of 2352	2708	rundll32.exe	31
PID 2708 wrote to memory of 2352	2708	rundll32.exe	31
PID 2708 wrote to memory of 2352	2708	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d5ebad273e4dece0aa578f4a211db50N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d5ebad273e4dece0aa578f4a211db50N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 220
    3⤵
    - Program crash
    PID:2352

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/2708-0-0x00000000744B0000-0x00000000744E0000-memory.dmp

Filesize
192KB

Download
memory/2708-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2708-1-0x00000000744B0000-0x00000000744E0000-memory.dmp

Filesize
192KB

Download