dridex | a61439fed37dcf269f1443f69ddfd3c5c82a8cb9c52c7144f960c9e4bc7e6635

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
24-12-2024 13:29

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General

Target

JaffaCakes118_a61439fed37dcf269f1443f69ddfd3c5c82a8cb9c52c7144f960c9e4bc7e6635.dll
Size

184KB
MD5

7b811c4c3d8d031db03f1db5dbe609eb
SHA1

9013345dac467394476ad0791ac30e0d10de23bf
SHA256

a61439fed37dcf269f1443f69ddfd3c5c82a8cb9c52c7144f960c9e4bc7e6635
SHA512

6741e8afb7c1af822a8e83ca029a7c7e6bab7d20ba7cb9cc043320120b8d7c61a5995c4e048319ec0837d36649670ee5715bfa052b792252741732111f17b5d1
SSDEEP

3072:iiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoRlzoxss7:iiLVCIT4WK2z1W+CUHZj4Skq/eaoPoC

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/2540-1-0x0000000074720000-0x000000007474F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2380	2540	WerFault.exe	31

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 2080 wrote to memory of 2540	2080	rundll32.exe	31
PID 2080 wrote to memory of 2540	2080	rundll32.exe	31
PID 2080 wrote to memory of 2540	2080	rundll32.exe	31
PID 2080 wrote to memory of 2540	2080	rundll32.exe	31
PID 2080 wrote to memory of 2540	2080	rundll32.exe	31
PID 2080 wrote to memory of 2540	2080	rundll32.exe	31
PID 2080 wrote to memory of 2540	2080	rundll32.exe	31
PID 2540 wrote to memory of 2380	2540	rundll32.exe	32
PID 2540 wrote to memory of 2380	2540	rundll32.exe	32
PID 2540 wrote to memory of 2380	2540	rundll32.exe	32
PID 2540 wrote to memory of 2380	2540	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a61439fed37dcf269f1443f69ddfd3c5c82a8cb9c52c7144f960c9e4bc7e6635.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a61439fed37dcf269f1443f69ddfd3c5c82a8cb9c52c7144f960c9e4bc7e6635.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 220
    3⤵
    - Program crash
    PID:2380

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/2540-1-0x0000000074720000-0x000000007474F000-memory.dmp

Filesize
188KB

Download
memory/2540-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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