dridex | 6aa5daa373805cdb0bf4beeee442796cdf31bbb6318727f84ff8053ec912834a

Analysis

max time kernel
135s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-08-2024 22:31

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General

Target

6aa5daa373805cdb0bf4beeee442796cdf31bbb6318727f84ff8053ec912834a.dll
Size

184KB
MD5

355ba7dd3dddb1779a6a8a585cc7792d
SHA1

1c448aa97985aed40ebdf6bb23ac1f5c2638ef52
SHA256

6aa5daa373805cdb0bf4beeee442796cdf31bbb6318727f84ff8053ec912834a
SHA512

40195ee5ba9ac59f5153b86ca736a8055979ae5b68debb7d66120f8937927c0b0afaac37dadbdac695289a8f1df2ff1588b551be19a5961c4837f687b25f6e92
SSDEEP

3072:6gkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdghdA4l:zPFkq6zOe5ilSanOSd

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
behavioral2/memory/3392-0-0x0000000075900000-0x0000000075930000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1252	3392	WerFault.exe	84

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 3 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 3392	3508	rundll32.exe	84
PID 3508 wrote to memory of 3392	3508	rundll32.exe	84
PID 3508 wrote to memory of 3392	3508	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6aa5daa373805cdb0bf4beeee442796cdf31bbb6318727f84ff8053ec912834a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6aa5daa373805cdb0bf4beeee442796cdf31bbb6318727f84ff8053ec912834a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3392 -s 616
    3⤵
    - Program crash
    PID:1252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3392 -ip 3392
1⤵
PID:4980

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/3392-0-0x0000000075900000-0x0000000075930000-memory.dmp

Filesize
192KB

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memory/3392-1-0x0000000000C60000-0x0000000000C66000-memory.dmp

Filesize
24KB

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