dridex | b63b92f10288f71082e406747a54bb67d96e01c46dd41bc54ab151798def9576

Analysis

max time kernel
90s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 00:30

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General

Target

JaffaCakes118_b63b92f10288f71082e406747a54bb67d96e01c46dd41bc54ab151798def9576.dll
Size

184KB
MD5

702c45495a2db31c42a4fa6b883c76f5
SHA1

029eb1ecefb99ec5afa74c5f2e80b5f68cdc1cd7
SHA256

b63b92f10288f71082e406747a54bb67d96e01c46dd41bc54ab151798def9576
SHA512

bcd592bdef51014029a3cdc23aab7adae64b1f69bb9e09f5d1d8f90eee56d8bbcecfe3b0dcbf3b579b165ea9760ba98f241ca4129ce02a5e1864f1b7bdf0137f
SSDEEP

3072:EgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdg0dA4l:hPFkq6zOe5ilSanO7d

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/388-1-0x0000000074AA0000-0x0000000074AD0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	388	WerFault.exe	85

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 844 wrote to memory of 388	844	rundll32.exe	85
PID 844 wrote to memory of 388	844	rundll32.exe	85
PID 844 wrote to memory of 388	844	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b63b92f10288f71082e406747a54bb67d96e01c46dd41bc54ab151798def9576.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b63b92f10288f71082e406747a54bb67d96e01c46dd41bc54ab151798def9576.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 616
    3⤵
    - Program crash
    PID:2712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 388 -ip 388
1⤵
PID:5084

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/388-0-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/388-1-0x0000000074AA0000-0x0000000074AD0000-memory.dmp

Filesize
192KB

Download
memory/388-3-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

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