dridex | b571da133e0898dceaf0a9583b6168fd12aaa87687f68fc77a9e33efc483358b

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:36

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General

Target

JaffaCakes118_b571da133e0898dceaf0a9583b6168fd12aaa87687f68fc77a9e33efc483358b.dll
Size

188KB
MD5

052e2a9f431a1a871187af5d1ca1d512
SHA1

0fd3d8b53afc73bf881b89aa3014356fcebdb29c
SHA256

b571da133e0898dceaf0a9583b6168fd12aaa87687f68fc77a9e33efc483358b
SHA512

c2770e0b8ad2a093050222d16076f6bf49a18b78ebe59f091cb554c7ea4c21776f670b59bfd749cf1221fe22810a3d1616667eef4dfb4e43198d7997357c3c31
SSDEEP

3072:DteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:rq7fYIHBZkTB6DWruUCOwjt

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1548-1-0x00000000750E0000-0x0000000075110000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1760	1548	WerFault.exe	31

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 2016 wrote to memory of 1548	2016	rundll32.exe	31
PID 2016 wrote to memory of 1548	2016	rundll32.exe	31
PID 2016 wrote to memory of 1548	2016	rundll32.exe	31
PID 2016 wrote to memory of 1548	2016	rundll32.exe	31
PID 2016 wrote to memory of 1548	2016	rundll32.exe	31
PID 2016 wrote to memory of 1548	2016	rundll32.exe	31
PID 2016 wrote to memory of 1548	2016	rundll32.exe	31
PID 1548 wrote to memory of 1760	1548	rundll32.exe	32
PID 1548 wrote to memory of 1760	1548	rundll32.exe	32
PID 1548 wrote to memory of 1760	1548	rundll32.exe	32
PID 1548 wrote to memory of 1760	1548	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b571da133e0898dceaf0a9583b6168fd12aaa87687f68fc77a9e33efc483358b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b571da133e0898dceaf0a9583b6168fd12aaa87687f68fc77a9e33efc483358b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 300
    3⤵
    - Program crash
    PID:1760

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

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Downloads

memory/1548-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1548-1-0x00000000750E0000-0x0000000075110000-memory.dmp

Filesize
192KB

Download
memory/1548-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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