dridex | b243c6041cf9e4c63239574c60d384b3e73913b860c5a3a02138f6cf20f451c1

Analysis

max time kernel
148s
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
25/12/2024, 16:54

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General

Target

JaffaCakes118_b243c6041cf9e4c63239574c60d384b3e73913b860c5a3a02138f6cf20f451c1.dll
Size

161KB
MD5

84d6713237fe9f9cae246e34f44f17b7
SHA1

9c516111f568cf79099a9ed2b0b318872d41476f
SHA256

b243c6041cf9e4c63239574c60d384b3e73913b860c5a3a02138f6cf20f451c1
SHA512

44abed7ca5b8ca3ac8fd9817385b297896e984b5f65dd37f6b9650ba3a4f868e227f417aa387419e04527319764695e87788d79ce14c8a28fce5c395712b70e1
SSDEEP

3072:w1Suywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2wGkFY:enS62Fl+pkeJl3CvRStrFl+EYh

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/316-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral2/memory/316-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1360	316	WerFault.exe	84

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 1388 wrote to memory of 316	1388	rundll32.exe	84
PID 1388 wrote to memory of 316	1388	rundll32.exe	84
PID 1388 wrote to memory of 316	1388	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b243c6041cf9e4c63239574c60d384b3e73913b860c5a3a02138f6cf20f451c1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b243c6041cf9e4c63239574c60d384b3e73913b860c5a3a02138f6cf20f451c1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 712
    3⤵
    - Program crash
    PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 316 -ip 316
1⤵
PID:4940

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/316-0-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/316-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/316-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/316-3-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download