dridex | 261bf3d7b08e8edaa8fc6e3af52eca13402cfa7e17d80c0fbfec8441bbc9d80c

Analysis

max time kernel
26s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:12

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General

Target

JaffaCakes118_261bf3d7b08e8edaa8fc6e3af52eca13402cfa7e17d80c0fbfec8441bbc9d80c.dll
Size

184KB
MD5

e57f382a6f41ddf025d17d68deb17af2
SHA1

e7ca65bd6c4dbbc05ded6fb8f9528715d82a2766
SHA256

261bf3d7b08e8edaa8fc6e3af52eca13402cfa7e17d80c0fbfec8441bbc9d80c
SHA512

1af0660d80fe8150dcd7f9ca78eed510932e992938866343c940e13371cf14a009a003a955a59de92dfbf033924a53771659f5c84ae3b23d21aab99f6e9d0bc5
SSDEEP

3072:3iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoylzoxss7:3iLVCIT4WK2z1W+CUHZj4Skq/eao4oC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2124-1-0x0000000074EC0000-0x0000000074EEF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2856	2124	WerFault.exe	29

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 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2124 wrote to memory of 2856	2124	rundll32.exe	30
PID 2124 wrote to memory of 2856	2124	rundll32.exe	30
PID 2124 wrote to memory of 2856	2124	rundll32.exe	30
PID 2124 wrote to memory of 2856	2124	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_261bf3d7b08e8edaa8fc6e3af52eca13402cfa7e17d80c0fbfec8441bbc9d80c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_261bf3d7b08e8edaa8fc6e3af52eca13402cfa7e17d80c0fbfec8441bbc9d80c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 224
    3⤵
    - Program crash
    PID:2856

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/2124-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2124-1-0x0000000074EC0000-0x0000000074EEF000-memory.dmp

Filesize
188KB

Download
memory/2124-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download