dridex | 731c92f0b812be27c5e18a405b8dccfb4b5f112facfa4b64bceb7142d9101fa3

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 21:10

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General

Target

JaffaCakes118_731c92f0b812be27c5e18a405b8dccfb4b5f112facfa4b64bceb7142d9101fa3.dll
Size

184KB
MD5

2e807a771c38e1668113ea6fe80a6847
SHA1

8a325f1ad5eccb564231881aab1cd9720ad0304e
SHA256

731c92f0b812be27c5e18a405b8dccfb4b5f112facfa4b64bceb7142d9101fa3
SHA512

f5684930aaddf053ca99e405f729fc584b1ae4d39f0867e8731dcae8f469ebbb54d5ff418aacaae027f99d65d39382f7cf0a18d699f9db5703bd3ab44c477b89
SSDEEP

3072:siLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoMlzoxss7:siLVCIT4WK2z1W+CUHZj4Skq/eaoyoC

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/2340-0-0x00000000751F0000-0x000000007521F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2456	2340	WerFault.exe	28

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 1820 wrote to memory of 2340	1820	rundll32.exe	28
PID 1820 wrote to memory of 2340	1820	rundll32.exe	28
PID 1820 wrote to memory of 2340	1820	rundll32.exe	28
PID 1820 wrote to memory of 2340	1820	rundll32.exe	28
PID 1820 wrote to memory of 2340	1820	rundll32.exe	28
PID 1820 wrote to memory of 2340	1820	rundll32.exe	28
PID 1820 wrote to memory of 2340	1820	rundll32.exe	28
PID 2340 wrote to memory of 2456	2340	rundll32.exe	29
PID 2340 wrote to memory of 2456	2340	rundll32.exe	29
PID 2340 wrote to memory of 2456	2340	rundll32.exe	29
PID 2340 wrote to memory of 2456	2340	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_731c92f0b812be27c5e18a405b8dccfb4b5f112facfa4b64bceb7142d9101fa3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_731c92f0b812be27c5e18a405b8dccfb4b5f112facfa4b64bceb7142d9101fa3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 220
    3⤵
    - Program crash
    PID:2456

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/2340-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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memory/2340-0-0x00000000751F0000-0x000000007521F000-memory.dmp

Filesize
188KB

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