dridex | 81785ecbf7c1d584fe1b17c122f73d747e31b77fdfcfaf2d2a25254c94c1685c

Analysis

max time kernel
92s
max time network
144s
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, 22:06

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General

Target

JaffaCakes118_81785ecbf7c1d584fe1b17c122f73d747e31b77fdfcfaf2d2a25254c94c1685c.dll
Size

188KB
MD5

83aa5f7dd7e6245723520bd0de0f2591
SHA1

87802b6377218c3e722b00b719e8414fa62833e4
SHA256

81785ecbf7c1d584fe1b17c122f73d747e31b77fdfcfaf2d2a25254c94c1685c
SHA512

702cd320d643f2be6f03c28a8d7307ebb29b264c373230899a802e83d4b8517eebc4519f472e5e1a43f802ca9e909aa8aa0b1a2046a67946a7e0d4c490c9b4f4
SSDEEP

3072:uteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzs9qM:Gq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/4204-1-0x0000000074BD0000-0x0000000074C00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1244	4204	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 3576 wrote to memory of 4204	3576	rundll32.exe	83
PID 3576 wrote to memory of 4204	3576	rundll32.exe	83
PID 3576 wrote to memory of 4204	3576	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81785ecbf7c1d584fe1b17c122f73d747e31b77fdfcfaf2d2a25254c94c1685c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81785ecbf7c1d584fe1b17c122f73d747e31b77fdfcfaf2d2a25254c94c1685c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 692
    3⤵
    - Program crash
    PID:1244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4204 -ip 4204
1⤵
PID:4512

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/4204-0-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/4204-1-0x0000000074BD0000-0x0000000074C00000-memory.dmp

Filesize
192KB

Download
memory/4204-3-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download