dridex | 3cc88e314a9b7a33893a813f77c2dd97b2b1794f71a5e6513a0cc36a12f8f3b9

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:28

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General

Target

JaffaCakes118_3cc88e314a9b7a33893a813f77c2dd97b2b1794f71a5e6513a0cc36a12f8f3b9.dll
Size

188KB
MD5

d451545a4130e8299bb4f2522c2dbd79
SHA1

626b4a19d6774474bb6f6de310cca0048294fcf0
SHA256

3cc88e314a9b7a33893a813f77c2dd97b2b1794f71a5e6513a0cc36a12f8f3b9
SHA512

41e44a4e6e8db406501ebe6fbb80ea8bce1983a816de9078df6be1dfe414e6ee39446baf4710c00142f35c59bd1793ca5681ac1c56c7bcaef042a3a9a4ac8307
SSDEEP

3072:AA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoao:AzIqATVfQeV2FZalKq6jtGJWuTmd

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/2100-1-0x0000000074A10000-0x0000000074A40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3036	2100	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 1792 wrote to memory of 2100	1792	rundll32.exe	30
PID 1792 wrote to memory of 2100	1792	rundll32.exe	30
PID 1792 wrote to memory of 2100	1792	rundll32.exe	30
PID 1792 wrote to memory of 2100	1792	rundll32.exe	30
PID 1792 wrote to memory of 2100	1792	rundll32.exe	30
PID 1792 wrote to memory of 2100	1792	rundll32.exe	30
PID 1792 wrote to memory of 2100	1792	rundll32.exe	30
PID 2100 wrote to memory of 3036	2100	rundll32.exe	32
PID 2100 wrote to memory of 3036	2100	rundll32.exe	32
PID 2100 wrote to memory of 3036	2100	rundll32.exe	32
PID 2100 wrote to memory of 3036	2100	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cc88e314a9b7a33893a813f77c2dd97b2b1794f71a5e6513a0cc36a12f8f3b9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cc88e314a9b7a33893a813f77c2dd97b2b1794f71a5e6513a0cc36a12f8f3b9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 300
    3⤵
    - Program crash
    PID:3036

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/2100-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2100-1-0x0000000074A10000-0x0000000074A40000-memory.dmp

Filesize
192KB

Download
memory/2100-4-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download