dridex | 3f5b6c1f2a381db3f04d8cbb800745b1e39b94784c570021fe27353cd6935345

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:58

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General

Target

JaffaCakes118_3f5b6c1f2a381db3f04d8cbb800745b1e39b94784c570021fe27353cd6935345.dll
Size

188KB
MD5

519672c69844723c9d3dc7139b786b1a
SHA1

e37dd1d97b08fcdd46343b3a9c9745b3224d6766
SHA256

3f5b6c1f2a381db3f04d8cbb800745b1e39b94784c570021fe27353cd6935345
SHA512

18c17049df8dab5eeee37185de1143438e0bc16c1b5c7175567d2286309bc6ef90fbc0ffaf68785284af9191d9b8118b113e20f3f864c7b993873ac9eba70964
SSDEEP

3072:TA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoEo:TzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2800-1-0x0000000074AB0000-0x0000000074AE0000-memory.dmp	dridex_ldr
behavioral1/memory/2800-2-0x0000000074AB0000-0x0000000074AE0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2920	2800	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 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2800 wrote to memory of 2920	2800	rundll32.exe	32
PID 2800 wrote to memory of 2920	2800	rundll32.exe	32
PID 2800 wrote to memory of 2920	2800	rundll32.exe	32
PID 2800 wrote to memory of 2920	2800	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f5b6c1f2a381db3f04d8cbb800745b1e39b94784c570021fe27353cd6935345.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f5b6c1f2a381db3f04d8cbb800745b1e39b94784c570021fe27353cd6935345.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 300
    3⤵
    - Program crash
    PID:2920

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/2800-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2800-1-0x0000000074AB0000-0x0000000074AE0000-memory.dmp

Filesize
192KB

Download
memory/2800-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2800-2-0x0000000074AB0000-0x0000000074AE0000-memory.dmp

Filesize
192KB

Download