dridex | 6b775b5487ab66f4c44dd40b4c060d543e0826de89fa6662f67f580554edd8a3

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:58

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General

Target

JaffaCakes118_6b775b5487ab66f4c44dd40b4c060d543e0826de89fa6662f67f580554edd8a3.dll
Size

188KB
MD5

f812ae0062830e9fdf0ca3279067858f
SHA1

31916cf0b183e187266761803f066bdbde7603d2
SHA256

6b775b5487ab66f4c44dd40b4c060d543e0826de89fa6662f67f580554edd8a3
SHA512

e22e2eeeab0b9da3e590d16464598c0c9c09eee062de88e9514ac5cc20468ab3807363c968c82a946081a720ddc6919648859cc8e86132f49620379ff04839ef
SSDEEP

3072:HA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoUo:HzIqATVfQeV2FZalKq6jtGJWuTmd

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/2540-0-0x00000000748E0000-0x0000000074910000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2424	2540	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 1232 wrote to memory of 2540	1232	rundll32.exe	30
PID 1232 wrote to memory of 2540	1232	rundll32.exe	30
PID 1232 wrote to memory of 2540	1232	rundll32.exe	30
PID 1232 wrote to memory of 2540	1232	rundll32.exe	30
PID 1232 wrote to memory of 2540	1232	rundll32.exe	30
PID 1232 wrote to memory of 2540	1232	rundll32.exe	30
PID 1232 wrote to memory of 2540	1232	rundll32.exe	30
PID 2540 wrote to memory of 2424	2540	rundll32.exe	32
PID 2540 wrote to memory of 2424	2540	rundll32.exe	32
PID 2540 wrote to memory of 2424	2540	rundll32.exe	32
PID 2540 wrote to memory of 2424	2540	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b775b5487ab66f4c44dd40b4c060d543e0826de89fa6662f67f580554edd8a3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b775b5487ab66f4c44dd40b4c060d543e0826de89fa6662f67f580554edd8a3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 300
    3⤵
    - Program crash
    PID:2424

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/2540-0-0x00000000748E0000-0x0000000074910000-memory.dmp

Filesize
192KB

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memory/2540-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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