dridex | ef98b14d27e05bc4d4ac654a913284e3c173276dbbaa833211e771bb730db6fb

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 11:24

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General

Target

JaffaCakes118_ef98b14d27e05bc4d4ac654a913284e3c173276dbbaa833211e771bb730db6fb.dll
Size

188KB
MD5

dfa18bcbc796972cacbc13c8ba5d247d
SHA1

9f0ff12a0b5fd651fb6193a65c8724cbb124b2b7
SHA256

ef98b14d27e05bc4d4ac654a913284e3c173276dbbaa833211e771bb730db6fb
SHA512

da1d8c225d84180d2fa135150499de65c2a164c29e36d5bcd174cb81442dc05b6cf22cdb726383f5a51a913b713460e322a733159829f8f962e77384147d31f0
SSDEEP

3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoDo:FzIqATVfQeV2FZalKq6jtGJWuTmd

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/2516-0-0x0000000074570000-0x00000000745A0000-memory.dmp	dridex_ldr
behavioral1/memory/2516-2-0x0000000074570000-0x00000000745A0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
876	2516	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 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2516 wrote to memory of 876	2516	rundll32.exe	31
PID 2516 wrote to memory of 876	2516	rundll32.exe	31
PID 2516 wrote to memory of 876	2516	rundll32.exe	31
PID 2516 wrote to memory of 876	2516	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef98b14d27e05bc4d4ac654a913284e3c173276dbbaa833211e771bb730db6fb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef98b14d27e05bc4d4ac654a913284e3c173276dbbaa833211e771bb730db6fb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 300
    3⤵
    - Program crash
    PID:876

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/2516-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2516-0-0x0000000074570000-0x00000000745A0000-memory.dmp

Filesize
192KB

Download
memory/2516-2-0x0000000074570000-0x00000000745A0000-memory.dmp

Filesize
192KB

Download