dridex | a4f791f9d7c33856fc1713569e2c5aab8a223f4024901f4129281be8775a6518

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 17:10

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General

Target

JaffaCakes118_a4f791f9d7c33856fc1713569e2c5aab8a223f4024901f4129281be8775a6518.dll
Size

188KB
MD5

b27feda175f4349a4b95996979cbe0e7
SHA1

1c6b77912d3f7a18e22a37988a6ef85e05759c00
SHA256

a4f791f9d7c33856fc1713569e2c5aab8a223f4024901f4129281be8775a6518
SHA512

f4149f391ed8e813c93cde4f63c6ce906680764dbd4edf7b8bc3f38ef32813aaabe4f472ad5fe34396319a6e80d487a382ef70cd98df06e0f3f1abf5cfb5c2a9
SSDEEP

3072:2teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzq9qM:+q7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/3020-1-0x0000000075050000-0x0000000075080000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2196	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 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 3020 wrote to memory of 2196	3020	rundll32.exe	31
PID 3020 wrote to memory of 2196	3020	rundll32.exe	31
PID 3020 wrote to memory of 2196	3020	rundll32.exe	31
PID 3020 wrote to memory of 2196	3020	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a4f791f9d7c33856fc1713569e2c5aab8a223f4024901f4129281be8775a6518.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a4f791f9d7c33856fc1713569e2c5aab8a223f4024901f4129281be8775a6518.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:2196

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/3020-0-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000075050000-0x0000000075080000-memory.dmp

Filesize
192KB

Download
memory/3020-3-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download