dridex | 39f146c1f6b6a86c5fafa6a68a9746b720735d3eba32ffd47a55930f7be89495

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:21

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General

Target

JaffaCakes118_39f146c1f6b6a86c5fafa6a68a9746b720735d3eba32ffd47a55930f7be89495.dll
Size

188KB
MD5

44d694367e9aeb8b954a2e349239bd0c
SHA1

823bb16495ab3b08155845b1d77bde62006505e0
SHA256

39f146c1f6b6a86c5fafa6a68a9746b720735d3eba32ffd47a55930f7be89495
SHA512

6c37fd6db5d05dbbc86778e2b9952de24edfab55c48febcbdef1c11e2f9b8105eaeb639f06d54a4e89da7a30ae9cae1fdb4fae5305d3246e1f334e579265d58a
SSDEEP

3072:fA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoYo:fzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/1624-1-0x0000000075200000-0x0000000075230000-memory.dmp	dridex_ldr
behavioral1/memory/1624-2-0x0000000075200000-0x0000000075230000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2548	1624	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 1848 wrote to memory of 1624	1848	rundll32.exe	30
PID 1848 wrote to memory of 1624	1848	rundll32.exe	30
PID 1848 wrote to memory of 1624	1848	rundll32.exe	30
PID 1848 wrote to memory of 1624	1848	rundll32.exe	30
PID 1848 wrote to memory of 1624	1848	rundll32.exe	30
PID 1848 wrote to memory of 1624	1848	rundll32.exe	30
PID 1848 wrote to memory of 1624	1848	rundll32.exe	30
PID 1624 wrote to memory of 2548	1624	rundll32.exe	32
PID 1624 wrote to memory of 2548	1624	rundll32.exe	32
PID 1624 wrote to memory of 2548	1624	rundll32.exe	32
PID 1624 wrote to memory of 2548	1624	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39f146c1f6b6a86c5fafa6a68a9746b720735d3eba32ffd47a55930f7be89495.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39f146c1f6b6a86c5fafa6a68a9746b720735d3eba32ffd47a55930f7be89495.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 300
    3⤵
    - Program crash
    PID:2548

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/1624-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1624-1-0x0000000075200000-0x0000000075230000-memory.dmp

Filesize
192KB

Download
memory/1624-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1624-2-0x0000000075200000-0x0000000075230000-memory.dmp

Filesize
192KB

Download