dridex | b3f55f63e4b68efce81d99c4978eb6988a976a9d88d0012351a4e3275417622d

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
24/12/2024, 01:56

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General

Target

JaffaCakes118_b3f55f63e4b68efce81d99c4978eb6988a976a9d88d0012351a4e3275417622d.dll
Size

184KB
MD5

7dae85b1094a978772672c13c058e288
SHA1

0c1724ddb86523a6ce731baa6051a612fab81a8a
SHA256

b3f55f63e4b68efce81d99c4978eb6988a976a9d88d0012351a4e3275417622d
SHA512

a134a3f2d73f65d4fdc4e3bc6018dd4268fe8e5f583cec76816879420ae256216620f9733deb3470ae80cc9b0f0dc8b3c346518dffaad54c535b3b18807d12ab
SSDEEP

3072:aiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoQlzoxss7:aiLVCIT4WK2z1W+CUHZj4Skq/eaouoC

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/2824-0-0x00000000750D0000-0x00000000750FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4472	2824	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 2808 wrote to memory of 2824	2808	rundll32.exe	83
PID 2808 wrote to memory of 2824	2808	rundll32.exe	83
PID 2808 wrote to memory of 2824	2808	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3f55f63e4b68efce81d99c4978eb6988a976a9d88d0012351a4e3275417622d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3f55f63e4b68efce81d99c4978eb6988a976a9d88d0012351a4e3275417622d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 620
    3⤵
    - Program crash
    PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2824 -ip 2824
1⤵
PID:400

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/2824-0-0x00000000750D0000-0x00000000750FF000-memory.dmp

Filesize
188KB

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memory/2824-2-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

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