dridex | 9fab44c7738fa72592e201e85b342a91c5c3515600a7e1b6970f51d8c27f93cf

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 21:12

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General

Target

9fab44c7738fa72592e201e85b342a91c5c3515600a7e1b6970f51d8c27f93cfN.dll
Size

184KB
MD5

11ba975d026adca4f5f6221412989d20
SHA1

86fd0c430ea3c024743dbb6745289f8a938ac3e8
SHA256

9fab44c7738fa72592e201e85b342a91c5c3515600a7e1b6970f51d8c27f93cf
SHA512

0efa08d6e31b07c0d306efa633afcd14467f283fb31693b4f55903f4de6688f9b5a0af1aaccc8120fe7db4475101e7b46a83ce0978fa17022f147b0cb5162729
SSDEEP

3072:/gkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgWdA4l:qPFkq6zOe5ilSanOZd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1996-1-0x0000000074B10000-0x0000000074B40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2344	1996	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 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1996 wrote to memory of 2344	1996	rundll32.exe	32
PID 1996 wrote to memory of 2344	1996	rundll32.exe	32
PID 1996 wrote to memory of 2344	1996	rundll32.exe	32
PID 1996 wrote to memory of 2344	1996	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9fab44c7738fa72592e201e85b342a91c5c3515600a7e1b6970f51d8c27f93cfN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9fab44c7738fa72592e201e85b342a91c5c3515600a7e1b6970f51d8c27f93cfN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 220
    3⤵
    - Program crash
    PID:2344

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/1996-0-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/1996-1-0x0000000074B10000-0x0000000074B40000-memory.dmp

Filesize
192KB

Download
memory/1996-3-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download