dridex | a33c2498f7842266979fc9975f440b8f281c5b8920b6b8459aed733e4a4c73f8

Analysis

max time kernel
97s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 19:52

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General

Target

JaffaCakes118_a33c2498f7842266979fc9975f440b8f281c5b8920b6b8459aed733e4a4c73f8.dll
Size

184KB
MD5

cb0283988e1465d5ba74a8a7b89a5924
SHA1

7f9281284412f0c249c694b498017dd9beccae8e
SHA256

a33c2498f7842266979fc9975f440b8f281c5b8920b6b8459aed733e4a4c73f8
SHA512

804e29aa8260447b91b2900cd864f4afbde4634c493f7c5ada37943cf0cd014d6b28aaa265059157ced2ff98b780cc85633f86ea36ff9f166c97948ca3740a08
SSDEEP

3072:SiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao1lzoxss7:SiLVCIT4WK2z1W+CUHZj4Skq/eaoboC

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
behavioral2/memory/548-0-0x00000000750D0000-0x00000000750FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4912	548	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 548	4220	rundll32.exe	83
PID 4220 wrote to memory of 548	4220	rundll32.exe	83
PID 4220 wrote to memory of 548	4220	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a33c2498f7842266979fc9975f440b8f281c5b8920b6b8459aed733e4a4c73f8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a33c2498f7842266979fc9975f440b8f281c5b8920b6b8459aed733e4a4c73f8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 548 -s 624
    3⤵
    - Program crash
    PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 548 -ip 548
1⤵
PID:1004

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

Replay Monitor

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Downloads

memory/548-0-0x00000000750D0000-0x00000000750FF000-memory.dmp

Filesize
188KB

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memory/548-2-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

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