dridex | 3541a783f42ba37e309a335f58b624b04b6e3a97e52a7c3e30d1d9ee556f2086

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 04:26

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General

Target

JaffaCakes118_3541a783f42ba37e309a335f58b624b04b6e3a97e52a7c3e30d1d9ee556f2086.dll
Size

188KB
MD5

4c205fff1ab327b17b381c9af2355155
SHA1

2a680292772516dfea3cb572630b29f2992f60a0
SHA256

3541a783f42ba37e309a335f58b624b04b6e3a97e52a7c3e30d1d9ee556f2086
SHA512

b679f386b563db9f536891a365af651bbf70d058c2c8746863742036285ad82e7f0ade08139e00fcbd3f61b58c64950b4400c0dcb1460c95a5ab17ea10eb4518
SSDEEP

3072:ZA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAojo:ZzIqATVfQeV2FZalKq6jtGJWuTmd

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/2932-1-0x00000000753C0000-0x00000000753F0000-memory.dmp	dridex_ldr
behavioral1/memory/2932-2-0x00000000753C0000-0x00000000753F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2536	2932	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 2056 wrote to memory of 2932	2056	rundll32.exe	30
PID 2056 wrote to memory of 2932	2056	rundll32.exe	30
PID 2056 wrote to memory of 2932	2056	rundll32.exe	30
PID 2056 wrote to memory of 2932	2056	rundll32.exe	30
PID 2056 wrote to memory of 2932	2056	rundll32.exe	30
PID 2056 wrote to memory of 2932	2056	rundll32.exe	30
PID 2056 wrote to memory of 2932	2056	rundll32.exe	30
PID 2932 wrote to memory of 2536	2932	rundll32.exe	31
PID 2932 wrote to memory of 2536	2932	rundll32.exe	31
PID 2932 wrote to memory of 2536	2932	rundll32.exe	31
PID 2932 wrote to memory of 2536	2932	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3541a783f42ba37e309a335f58b624b04b6e3a97e52a7c3e30d1d9ee556f2086.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3541a783f42ba37e309a335f58b624b04b6e3a97e52a7c3e30d1d9ee556f2086.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 300
    3⤵
    - Program crash
    PID:2536

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/2932-0-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2932-1-0x00000000753C0000-0x00000000753F0000-memory.dmp

Filesize
192KB

Download
memory/2932-3-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2932-2-0x00000000753C0000-0x00000000753F0000-memory.dmp

Filesize
192KB

Download