dridex | 81b9d9bb1463987c96c2d4b46b956bebcff30474672d859f45100837e4ade57d

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 14:07

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General

Target

JaffaCakes118_81b9d9bb1463987c96c2d4b46b956bebcff30474672d859f45100837e4ade57d.dll
Size

184KB
MD5

46cd86fd41a49468eda5fe424eb74ab6
SHA1

38bf1554af5b6a60523fd7d77aff669843ac2a7b
SHA256

81b9d9bb1463987c96c2d4b46b956bebcff30474672d859f45100837e4ade57d
SHA512

50a15789a12d14e67e6f1d8b65cd0cc4857c77f1c50f91f349a3ac6c2737965247b012c2e29e564f59020ea53fe3985665967da27f80bd7b7f8d1be2f5d53f58
SSDEEP

3072:ZiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoVlzoxss7:ZiLVCIT4WK2z1W+CUHZj4Skq/eao7oC

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/1568-0-0x0000000074D10000-0x0000000074D3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2128	1568	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 1016 wrote to memory of 1568	1016	rundll32.exe	30
PID 1016 wrote to memory of 1568	1016	rundll32.exe	30
PID 1016 wrote to memory of 1568	1016	rundll32.exe	30
PID 1016 wrote to memory of 1568	1016	rundll32.exe	30
PID 1016 wrote to memory of 1568	1016	rundll32.exe	30
PID 1016 wrote to memory of 1568	1016	rundll32.exe	30
PID 1016 wrote to memory of 1568	1016	rundll32.exe	30
PID 1568 wrote to memory of 2128	1568	rundll32.exe	32
PID 1568 wrote to memory of 2128	1568	rundll32.exe	32
PID 1568 wrote to memory of 2128	1568	rundll32.exe	32
PID 1568 wrote to memory of 2128	1568	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81b9d9bb1463987c96c2d4b46b956bebcff30474672d859f45100837e4ade57d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81b9d9bb1463987c96c2d4b46b956bebcff30474672d859f45100837e4ade57d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 220
    3⤵
    - Program crash
    PID:2128

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/1568-0-0x0000000074D10000-0x0000000074D3F000-memory.dmp

Filesize
188KB

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memory/1568-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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