dridex | 4b355f4b83fd432a04feb527451621ac10643c3562a46d0a82860aa3070be4a9

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:33

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General

Target

JaffaCakes118_4b355f4b83fd432a04feb527451621ac10643c3562a46d0a82860aa3070be4a9.dll
Size

188KB
MD5

63c413dcf0f44f982e86131acb1249bd
SHA1

cfe8d5bb5f58e8328843e9167a5dafc441949cbd
SHA256

4b355f4b83fd432a04feb527451621ac10643c3562a46d0a82860aa3070be4a9
SHA512

babecd51534fac0a646e5f0df556f7d0729df731fa53cf5df0870f6daddfcd7fe09be2d4b8f879560b5dd172238aaabb89ede4cc70e42e1a66e687cbcba1b356
SSDEEP

3072:IteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzi9qM:sq7fYIHBZkTB6DWruUCOwjt

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/2184-0-0x00000000745D0000-0x0000000074600000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2540	2184	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 2280 wrote to memory of 2184	2280	rundll32.exe	30
PID 2280 wrote to memory of 2184	2280	rundll32.exe	30
PID 2280 wrote to memory of 2184	2280	rundll32.exe	30
PID 2280 wrote to memory of 2184	2280	rundll32.exe	30
PID 2280 wrote to memory of 2184	2280	rundll32.exe	30
PID 2280 wrote to memory of 2184	2280	rundll32.exe	30
PID 2280 wrote to memory of 2184	2280	rundll32.exe	30
PID 2184 wrote to memory of 2540	2184	rundll32.exe	31
PID 2184 wrote to memory of 2540	2184	rundll32.exe	31
PID 2184 wrote to memory of 2540	2184	rundll32.exe	31
PID 2184 wrote to memory of 2540	2184	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b355f4b83fd432a04feb527451621ac10643c3562a46d0a82860aa3070be4a9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b355f4b83fd432a04feb527451621ac10643c3562a46d0a82860aa3070be4a9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 300
    3⤵
    - Program crash
    PID:2540

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/2184-0-0x00000000745D0000-0x0000000074600000-memory.dmp

Filesize
192KB

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memory/2184-2-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

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