dridex | 6bf8c919fdb2774e3d6b76a05debb5e8a924467f65e00ff82ee720c6fdd4f94f

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:00

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General

Target

JaffaCakes118_6bf8c919fdb2774e3d6b76a05debb5e8a924467f65e00ff82ee720c6fdd4f94f.dll
Size

184KB
MD5

e2a08b4a223f548d1ba9e5a61551ecec
SHA1

f5f7a3986971b33696299f5cfc0bda833ec3e533
SHA256

6bf8c919fdb2774e3d6b76a05debb5e8a924467f65e00ff82ee720c6fdd4f94f
SHA512

51afcc1bedd664d130f3e87c3d6d8071457dee69a517faa10b58761a9a1280de00aa8acba26b8351c2b10ca3532fc77e60e585399edaf943009a2a4e863141eb
SSDEEP

3072:b6W8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmaWx9ixCH0u:t8qh+66QsRdNiBW/06ngmaWexC

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/3056-1-0x00000000750B0000-0x00000000750E0000-memory.dmp	dridex_ldr
behavioral1/memory/3056-2-0x00000000750B0000-0x00000000750E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	3056	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 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3056 wrote to memory of 2756	3056	rundll32.exe	31
PID 3056 wrote to memory of 2756	3056	rundll32.exe	31
PID 3056 wrote to memory of 2756	3056	rundll32.exe	31
PID 3056 wrote to memory of 2756	3056	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bf8c919fdb2774e3d6b76a05debb5e8a924467f65e00ff82ee720c6fdd4f94f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bf8c919fdb2774e3d6b76a05debb5e8a924467f65e00ff82ee720c6fdd4f94f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 224
    3⤵
    - Program crash
    PID:2756

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/3056-0-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/3056-1-0x00000000750B0000-0x00000000750E0000-memory.dmp

Filesize
192KB

Download
memory/3056-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/3056-2-0x00000000750B0000-0x00000000750E0000-memory.dmp

Filesize
192KB

Download