dridex | f74c74b86f97c14b8847e32a6cb5d647619d89c37d8c2342e08df1392a796a34

Analysis

max time kernel
95s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/12/2024, 20:44

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General

Target

JaffaCakes118_f74c74b86f97c14b8847e32a6cb5d647619d89c37d8c2342e08df1392a796a34.dll
Size

184KB
MD5

3d46bb18dabdce10c08197fc67efc136
SHA1

ae138db30d91bf179948ce528f119d6def20d993
SHA256

f74c74b86f97c14b8847e32a6cb5d647619d89c37d8c2342e08df1392a796a34
SHA512

974a5bff5c2e7caee1e87bc30710aa089ca2ebf479870f49a8487821638df4f6e7eefd451eaa1908a6d136b52804584dc61ee5221c1c1c407167b6a65c1f5cdd
SSDEEP

3072:+iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaorlzoxss7:+iLVCIT4WK2z1W+CUHZj4Skq/eaoRoC

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/4540-0-0x0000000074FF0000-0x000000007501F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3864	4540	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 4384 wrote to memory of 4540	4384	rundll32.exe	83
PID 4384 wrote to memory of 4540	4384	rundll32.exe	83
PID 4384 wrote to memory of 4540	4384	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f74c74b86f97c14b8847e32a6cb5d647619d89c37d8c2342e08df1392a796a34.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f74c74b86f97c14b8847e32a6cb5d647619d89c37d8c2342e08df1392a796a34.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 616
    3⤵
    - Program crash
    PID:3864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4540 -ip 4540
1⤵
PID:2612

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/4540-0-0x0000000074FF0000-0x000000007501F000-memory.dmp

Filesize
188KB

Download
memory/4540-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

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