dridex | 4fa4f46c093ed9fb4509f5fa4a546a8f8a346155f46bd01795e5cd332db4f67a

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 23:03

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General

Target

JaffaCakes118_4fa4f46c093ed9fb4509f5fa4a546a8f8a346155f46bd01795e5cd332db4f67a.dll
Size

188KB
MD5

a43bdd608ea6c8341e688ec5cf090ff2
SHA1

9c64f8bb052b7c58a1fdd936901fa18db9b4e1b3
SHA256

4fa4f46c093ed9fb4509f5fa4a546a8f8a346155f46bd01795e5cd332db4f67a
SHA512

1cf519254e1d0495f520a60526f4cdd9cbd92b46fbc302d85d3c3a0598bba03fb27704d37c14ac1bf96dfec9715dd88e202c1636a32ed439746d8e4e77238006
SSDEEP

3072:ZA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAodo:ZzIqATVfQeV2FZalKq6jtGJWuTmd

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/2400-1-0x0000000075000000-0x0000000075030000-memory.dmp	dridex_ldr
behavioral1/memory/2400-2-0x0000000075000000-0x0000000075030000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2796	2400	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 1032 wrote to memory of 2400	1032	rundll32.exe	30
PID 1032 wrote to memory of 2400	1032	rundll32.exe	30
PID 1032 wrote to memory of 2400	1032	rundll32.exe	30
PID 1032 wrote to memory of 2400	1032	rundll32.exe	30
PID 1032 wrote to memory of 2400	1032	rundll32.exe	30
PID 1032 wrote to memory of 2400	1032	rundll32.exe	30
PID 1032 wrote to memory of 2400	1032	rundll32.exe	30
PID 2400 wrote to memory of 2796	2400	rundll32.exe	31
PID 2400 wrote to memory of 2796	2400	rundll32.exe	31
PID 2400 wrote to memory of 2796	2400	rundll32.exe	31
PID 2400 wrote to memory of 2796	2400	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fa4f46c093ed9fb4509f5fa4a546a8f8a346155f46bd01795e5cd332db4f67a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fa4f46c093ed9fb4509f5fa4a546a8f8a346155f46bd01795e5cd332db4f67a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 300
    3⤵
    - Program crash
    PID:2796

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/2400-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2400-1-0x0000000075000000-0x0000000075030000-memory.dmp

Filesize
192KB

Download
memory/2400-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2400-2-0x0000000075000000-0x0000000075030000-memory.dmp

Filesize
192KB

Download