dridex | 1c75f33b1a637b80a97790945cf56d2145f44209fdc719f0b1fd4296108948e0

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 23:27

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General

Target

JaffaCakes118_1c75f33b1a637b80a97790945cf56d2145f44209fdc719f0b1fd4296108948e0.dll
Size

188KB
MD5

d9d4e8de9bee2791bd4a5d18d8f8d792
SHA1

2e55f7f697daa3d048cf3032673dce9a49a60347
SHA256

1c75f33b1a637b80a97790945cf56d2145f44209fdc719f0b1fd4296108948e0
SHA512

5c4a0d2ac001342a44660dfcaae6f544483d6e3af3db1d6f8e7e7cbe248de155f505310853e36d72416134b494ed036109f44b1fbb4304730a20391939a70cb3
SSDEEP

3072:bA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAobo:bzIqATVfQeV2FZalKq6jtGJWuTmd

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/3020-1-0x0000000075040000-0x0000000075070000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3060	3020	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 3016 wrote to memory of 3020	3016	rundll32.exe	30
PID 3016 wrote to memory of 3020	3016	rundll32.exe	30
PID 3016 wrote to memory of 3020	3016	rundll32.exe	30
PID 3016 wrote to memory of 3020	3016	rundll32.exe	30
PID 3016 wrote to memory of 3020	3016	rundll32.exe	30
PID 3016 wrote to memory of 3020	3016	rundll32.exe	30
PID 3016 wrote to memory of 3020	3016	rundll32.exe	30
PID 3020 wrote to memory of 3060	3020	rundll32.exe	31
PID 3020 wrote to memory of 3060	3020	rundll32.exe	31
PID 3020 wrote to memory of 3060	3020	rundll32.exe	31
PID 3020 wrote to memory of 3060	3020	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c75f33b1a637b80a97790945cf56d2145f44209fdc719f0b1fd4296108948e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c75f33b1a637b80a97790945cf56d2145f44209fdc719f0b1fd4296108948e0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 300
    3⤵
    - Program crash
    PID:3060

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/3020-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000075040000-0x0000000075070000-memory.dmp

Filesize
192KB

Download
memory/3020-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download