dridex | 378b529a7884a6a90ce95785c064982de4c6dea017b81405616d0e1d0f624440

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
30-12-2024 22:04

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General

Target

JaffaCakes118_378b529a7884a6a90ce95785c064982de4c6dea017b81405616d0e1d0f624440.dll
Size

188KB
MD5

025666a8049ad71174ef5e830bdf8cc6
SHA1

0e86c1aa2dec2db6da8f0819e662b74ae21ab08b
SHA256

378b529a7884a6a90ce95785c064982de4c6dea017b81405616d0e1d0f624440
SHA512

51feb4015e9092f3631aca510cfddcd2822f16d206973f02e43578590aec6fdcd48dad7b87c6d17217567010e6f0cacd7fd454152ed3f652ec3f8fe519bf499b
SSDEEP

3072:3teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz39qM:vq7fYIHBZkTB6DWruUCOwjt

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/1792-1-0x0000000074CA0000-0x0000000074CD0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2860	1792	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 2236 wrote to memory of 1792	2236	rundll32.exe	30
PID 2236 wrote to memory of 1792	2236	rundll32.exe	30
PID 2236 wrote to memory of 1792	2236	rundll32.exe	30
PID 2236 wrote to memory of 1792	2236	rundll32.exe	30
PID 2236 wrote to memory of 1792	2236	rundll32.exe	30
PID 2236 wrote to memory of 1792	2236	rundll32.exe	30
PID 2236 wrote to memory of 1792	2236	rundll32.exe	30
PID 1792 wrote to memory of 2860	1792	rundll32.exe	32
PID 1792 wrote to memory of 2860	1792	rundll32.exe	32
PID 1792 wrote to memory of 2860	1792	rundll32.exe	32
PID 1792 wrote to memory of 2860	1792	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_378b529a7884a6a90ce95785c064982de4c6dea017b81405616d0e1d0f624440.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_378b529a7884a6a90ce95785c064982de4c6dea017b81405616d0e1d0f624440.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 300
    3⤵
    - Program crash
    PID:2860

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/1792-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1792-1-0x0000000074CA0000-0x0000000074CD0000-memory.dmp

Filesize
192KB

Download
memory/1792-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download