dridex | ec516577f48c9496b58f8c37a1cfa7873a9a3db4d0a65665068303dcf3b75636

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
23/12/2024, 18:41

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General

Target

JaffaCakes118_ec516577f48c9496b58f8c37a1cfa7873a9a3db4d0a65665068303dcf3b75636.dll
Size

188KB
MD5

4a885e37b51f45021c8b7a243c27cb54
SHA1

727ca5c7dbd2348e3f2924bf099bc4e829c42424
SHA256

ec516577f48c9496b58f8c37a1cfa7873a9a3db4d0a65665068303dcf3b75636
SHA512

1b4c6356915f63cd04bbdf0cd9917f03feb33e748c3695e1d5c3fb50edfe8d38fc725516989728e8d309460f4c9f7edd7670d03493d1427a50bf537ba200f5ff
SSDEEP

3072:uA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoHo:uzIqATVfQeV2FZalKq6jtGJWuTmd

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/2664-1-0x0000000074520000-0x0000000074550000-memory.dmp	dridex_ldr
behavioral1/memory/2664-2-0x0000000074520000-0x0000000074550000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2732	2664	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 1964 wrote to memory of 2664	1964	rundll32.exe	30
PID 1964 wrote to memory of 2664	1964	rundll32.exe	30
PID 1964 wrote to memory of 2664	1964	rundll32.exe	30
PID 1964 wrote to memory of 2664	1964	rundll32.exe	30
PID 1964 wrote to memory of 2664	1964	rundll32.exe	30
PID 1964 wrote to memory of 2664	1964	rundll32.exe	30
PID 1964 wrote to memory of 2664	1964	rundll32.exe	30
PID 2664 wrote to memory of 2732	2664	rundll32.exe	31
PID 2664 wrote to memory of 2732	2664	rundll32.exe	31
PID 2664 wrote to memory of 2732	2664	rundll32.exe	31
PID 2664 wrote to memory of 2732	2664	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec516577f48c9496b58f8c37a1cfa7873a9a3db4d0a65665068303dcf3b75636.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec516577f48c9496b58f8c37a1cfa7873a9a3db4d0a65665068303dcf3b75636.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 300
    3⤵
    - Program crash
    PID:2732

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/2664-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2664-1-0x0000000074520000-0x0000000074550000-memory.dmp

Filesize
192KB

Download
memory/2664-2-0x0000000074520000-0x0000000074550000-memory.dmp

Filesize
192KB

Download
memory/2664-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download