dridex | 248624e4d1e002067dfe831a079b889b57fb112074d2837a6d84b3e22aa3a76d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 17:47

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General

Target

bd8a3536bff96b4ec54a936af736ab30N.dll
Size

188KB
MD5

bd8a3536bff96b4ec54a936af736ab30
SHA1

54f6384bee51cf62950a9346080339a5d827de59
SHA256

248624e4d1e002067dfe831a079b889b57fb112074d2837a6d84b3e22aa3a76d
SHA512

a6afde9571423c5e9c94f62fc3b16c4cb79f0ae5677cb3e92c9bfbb34bd70901e41071c550b841bc13d7d7c259bd3bb1841a8f8a9d9b0f2bef83e53b326b0ebe
SSDEEP

3072:BteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzN9qM:Nq7fYIHBZkTB6DWruUCOwjt

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

resource	yara_rule
behavioral1/memory/1372-1-0x0000000075080000-0x00000000750B0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2548	1372	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 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1372 wrote to memory of 2548	1372	rundll32.exe	32
PID 1372 wrote to memory of 2548	1372	rundll32.exe	32
PID 1372 wrote to memory of 2548	1372	rundll32.exe	32
PID 1372 wrote to memory of 2548	1372	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd8a3536bff96b4ec54a936af736ab30N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd8a3536bff96b4ec54a936af736ab30N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 300
    3⤵
    - Program crash
    PID:2548

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/1372-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1372-1-0x0000000075080000-0x00000000750B0000-memory.dmp

Filesize
192KB

Download
memory/1372-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download