dridex | e4c91b3bd10039d236303979bf8140e5b44f8873ca208e42d02370f24d92a7cd

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 02:25

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General

Target

JaffaCakes118_e4c91b3bd10039d236303979bf8140e5b44f8873ca208e42d02370f24d92a7cd.dll
Size

184KB
MD5

4ebc83ca9e9adf9baa887f647c1d8acd
SHA1

8a83bcb3be4b7925c008696fc48bc9d589e40809
SHA256

e4c91b3bd10039d236303979bf8140e5b44f8873ca208e42d02370f24d92a7cd
SHA512

783e0a230ced4e41bf39e1fed37dcd24283055cf7bda22bc21e9c123edbf05d2eacaf67dabdb58849dbdd72651afa0a4e223abe3cc5698f8e74a0ad127d4e8e3
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoJlzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaoXoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2376-1-0x0000000075080000-0x00000000750AF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2344	2376	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 1372 wrote to memory of 2376	1372	rundll32.exe	30
PID 1372 wrote to memory of 2376	1372	rundll32.exe	30
PID 1372 wrote to memory of 2376	1372	rundll32.exe	30
PID 1372 wrote to memory of 2376	1372	rundll32.exe	30
PID 1372 wrote to memory of 2376	1372	rundll32.exe	30
PID 1372 wrote to memory of 2376	1372	rundll32.exe	30
PID 1372 wrote to memory of 2376	1372	rundll32.exe	30
PID 2376 wrote to memory of 2344	2376	rundll32.exe	32
PID 2376 wrote to memory of 2344	2376	rundll32.exe	32
PID 2376 wrote to memory of 2344	2376	rundll32.exe	32
PID 2376 wrote to memory of 2344	2376	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4c91b3bd10039d236303979bf8140e5b44f8873ca208e42d02370f24d92a7cd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4c91b3bd10039d236303979bf8140e5b44f8873ca208e42d02370f24d92a7cd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 220
    3⤵
    - Program crash
    PID:2344

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/2376-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2376-1-0x0000000075080000-0x00000000750AF000-memory.dmp

Filesize
188KB

Download
memory/2376-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download