dridex | 4590ea45853dd0d4790c0e8323bea9de524dff040e3ab9d010c6541a44a306dc

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 00:39

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General

Target

442e235beb78628d6ce3efba12fc8df0N.dll
Size

174KB
MD5

442e235beb78628d6ce3efba12fc8df0
SHA1

fd2d92af8ff5abb3b229390afd3498011b28c2d9
SHA256

4590ea45853dd0d4790c0e8323bea9de524dff040e3ab9d010c6541a44a306dc
SHA512

4c0fee43b4cc53592c4803838d8f6e7c340c9dcba7352e0154a36b6ed0a1d6b0e296fb0cdc341830a5c52410dae7637e2b3c13011592fea67205db380c36e02e
SSDEEP

3072:9TcmA9VSRrhbm3F1tx7Tkf6rzyOQ9hUjWFv+yss6/WcNfkF:y9mhbm3F9U6rz+9h6WFWyss6/WcNO

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

178.128.220.64:30333

45.79.91.89:9987

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/2728-0-0x00000000750D0000-0x0000000075100000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2680	2728	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 3032 wrote to memory of 2728	3032	rundll32.exe	30
PID 3032 wrote to memory of 2728	3032	rundll32.exe	30
PID 3032 wrote to memory of 2728	3032	rundll32.exe	30
PID 3032 wrote to memory of 2728	3032	rundll32.exe	30
PID 3032 wrote to memory of 2728	3032	rundll32.exe	30
PID 3032 wrote to memory of 2728	3032	rundll32.exe	30
PID 3032 wrote to memory of 2728	3032	rundll32.exe	30
PID 2728 wrote to memory of 2680	2728	rundll32.exe	31
PID 2728 wrote to memory of 2680	2728	rundll32.exe	31
PID 2728 wrote to memory of 2680	2728	rundll32.exe	31
PID 2728 wrote to memory of 2680	2728	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\442e235beb78628d6ce3efba12fc8df0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\442e235beb78628d6ce3efba12fc8df0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 240
    3⤵
    - Program crash
    PID:2680

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/2728-0-0x00000000750D0000-0x0000000075100000-memory.dmp

Filesize
192KB

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memory/2728-2-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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