dridex | f629d3d08b77a96cd69cfb93f1193a784397f6eb36e8d8b70552761f51e43474

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
30-12-2024 20:28

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General

Target

JaffaCakes118_f629d3d08b77a96cd69cfb93f1193a784397f6eb36e8d8b70552761f51e43474.dll
Size

184KB
MD5

a216a5f1cc6a13f77377369a5494d359
SHA1

6d2e49b112796fc3bad13ed2daad789d74246aeb
SHA256

f629d3d08b77a96cd69cfb93f1193a784397f6eb36e8d8b70552761f51e43474
SHA512

0d6646d0c0d16c48a73d145e07f4804da0d01ac3fe2e9b74a5bd0d0cc6137b12972d6bad318a895c5fb3df9cb7f8732c236dc28a28163d8fda4eb5001b9e3b4e
SSDEEP

3072:rJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JTa//2uFrSc:wfYOX+wTScR/Xzku9LVwsuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2516-1-0x0000000074BE0000-0x0000000074C0F000-memory.dmp	dridex_ldr
behavioral1/memory/2516-2-0x0000000074BE0000-0x0000000074C0F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
324	2516	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 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2516 wrote to memory of 324	2516	rundll32.exe	32
PID 2516 wrote to memory of 324	2516	rundll32.exe	32
PID 2516 wrote to memory of 324	2516	rundll32.exe	32
PID 2516 wrote to memory of 324	2516	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f629d3d08b77a96cd69cfb93f1193a784397f6eb36e8d8b70552761f51e43474.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f629d3d08b77a96cd69cfb93f1193a784397f6eb36e8d8b70552761f51e43474.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 220
    3⤵
    - Program crash
    PID:324

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/2516-0-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2516-1-0x0000000074BE0000-0x0000000074C0F000-memory.dmp

Filesize
188KB

Download
memory/2516-3-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2516-2-0x0000000074BE0000-0x0000000074C0F000-memory.dmp

Filesize
188KB

Download