dridex | a87ef8b866bbd6c07f16ab0d19c6e26f73dc1c0a93db8c49458b7b9e9179c7ee

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:39

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General

Target

JaffaCakes118_a87ef8b866bbd6c07f16ab0d19c6e26f73dc1c0a93db8c49458b7b9e9179c7ee.dll
Size

188KB
MD5

dc251cf320f0c485141fc9a45847e743
SHA1

387783b8960d00d630b58de19bb4a18122948aad
SHA256

a87ef8b866bbd6c07f16ab0d19c6e26f73dc1c0a93db8c49458b7b9e9179c7ee
SHA512

00aaa8d6ed8b73437b31908890be2cca99b0b80dc0d524a8d3aede8e99e8c24812cd5c9c66ad228166aff0f5493de467c8d9e7dd539509c8e0ab1e4303ae847e
SSDEEP

3072:oA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoFo:ozIqATVfQeV2FZalKq6jtGJWuTmd

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2920-0-0x00000000746A0000-0x00000000746D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2916	2920	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 2816 wrote to memory of 2920	2816	rundll32.exe	30
PID 2816 wrote to memory of 2920	2816	rundll32.exe	30
PID 2816 wrote to memory of 2920	2816	rundll32.exe	30
PID 2816 wrote to memory of 2920	2816	rundll32.exe	30
PID 2816 wrote to memory of 2920	2816	rundll32.exe	30
PID 2816 wrote to memory of 2920	2816	rundll32.exe	30
PID 2816 wrote to memory of 2920	2816	rundll32.exe	30
PID 2920 wrote to memory of 2916	2920	rundll32.exe	31
PID 2920 wrote to memory of 2916	2920	rundll32.exe	31
PID 2920 wrote to memory of 2916	2920	rundll32.exe	31
PID 2920 wrote to memory of 2916	2920	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a87ef8b866bbd6c07f16ab0d19c6e26f73dc1c0a93db8c49458b7b9e9179c7ee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a87ef8b866bbd6c07f16ab0d19c6e26f73dc1c0a93db8c49458b7b9e9179c7ee.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 300
    3⤵
    - Program crash
    PID:2916

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/2920-1-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

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memory/2920-0-0x00000000746A0000-0x00000000746D0000-memory.dmp

Filesize
192KB

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