dridex | 1d75627bf4deb4236a31d11d6590adfa024a6b796d09af7d3ab9c435517d2fc5

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 02:50

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General

Target

JaffaCakes118_1d75627bf4deb4236a31d11d6590adfa024a6b796d09af7d3ab9c435517d2fc5.dll
Size

184KB
MD5

40c8473b99f1aafa0fa2fdcdbe5f7c27
SHA1

da31482a7f19d94dbd9768dba75bad07b15f0cae
SHA256

1d75627bf4deb4236a31d11d6590adfa024a6b796d09af7d3ab9c435517d2fc5
SHA512

823869085ea137bc088d1ad7da5b662c800527a595428bf2633f4154f5345084de3062bca4a3d0219406a1af7964ca82e8bb85db79a3566566ddaccf53bfa809
SSDEEP

3072:rJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Joa//2uFrSc:wfYOX+wTScR/Xzku9LVwruG

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
behavioral2/memory/4424-1-0x00000000752B0000-0x00000000752DF000-memory.dmp	dridex_ldr
behavioral2/memory/4424-2-0x00000000752B0000-0x00000000752DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3748	4424	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 2932 wrote to memory of 4424	2932	rundll32.exe	83
PID 2932 wrote to memory of 4424	2932	rundll32.exe	83
PID 2932 wrote to memory of 4424	2932	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d75627bf4deb4236a31d11d6590adfa024a6b796d09af7d3ab9c435517d2fc5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d75627bf4deb4236a31d11d6590adfa024a6b796d09af7d3ab9c435517d2fc5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 616
    3⤵
    - Program crash
    PID:3748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4424 -ip 4424
1⤵
PID:1312

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/4424-0-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/4424-1-0x00000000752B0000-0x00000000752DF000-memory.dmp

Filesize
188KB

Download
memory/4424-2-0x00000000752B0000-0x00000000752DF000-memory.dmp

Filesize
188KB

Download
memory/4424-3-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download