dridex | 5a52c98c92c2c1b18c7910a79efd7865aa994872ce3008abff58bea446c94c30

Analysis

max time kernel
113s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-09-2024 14:41

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General

Target

50bb23e285b0ce8bd4feb9b93b1f46e0N.dll
Size

188KB
MD5

50bb23e285b0ce8bd4feb9b93b1f46e0
SHA1

a792f42bd9a615d6622ca3c28a345f84656cd9a0
SHA256

5a52c98c92c2c1b18c7910a79efd7865aa994872ce3008abff58bea446c94c30
SHA512

2c911da867a55735fc317dbe4d3223b047524c8100ff56fae3785420147677cedbde1a8eaed3b7855636928a32e6bde3075ac93828bd2f965dae92c0000ccc5e
SSDEEP

3072:FteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzN9qM:Bq7fYIHBZkTB6DWruUCOwjt

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 Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2736-1-0x0000000074E30000-0x0000000074E60000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3028	2736	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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2640 wrote to memory of 2736	2640	rundll32.exe	30
PID 2640 wrote to memory of 2736	2640	rundll32.exe	30
PID 2640 wrote to memory of 2736	2640	rundll32.exe	30
PID 2640 wrote to memory of 2736	2640	rundll32.exe	30
PID 2640 wrote to memory of 2736	2640	rundll32.exe	30
PID 2640 wrote to memory of 2736	2640	rundll32.exe	30
PID 2640 wrote to memory of 2736	2640	rundll32.exe	30
PID 2736 wrote to memory of 3028	2736	rundll32.exe	31
PID 2736 wrote to memory of 3028	2736	rundll32.exe	31
PID 2736 wrote to memory of 3028	2736	rundll32.exe	31
PID 2736 wrote to memory of 3028	2736	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\50bb23e285b0ce8bd4feb9b93b1f46e0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\50bb23e285b0ce8bd4feb9b93b1f46e0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 308
    3⤵
    - Program crash
    PID:3028

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/2736-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2736-1-0x0000000074E30000-0x0000000074E60000-memory.dmp

Filesize
192KB

Download
memory/2736-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download