dridex | 588dfc85519b91076dd6a7d0855ee1f4486bf2d54990e4f0b5d08b2f4ad50b9c

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:28

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General

Target

JaffaCakes118_588dfc85519b91076dd6a7d0855ee1f4486bf2d54990e4f0b5d08b2f4ad50b9c.dll
Size

184KB
MD5

a6cf8256a04f75b56ae500d7e995fb35
SHA1

ecc87e2553747653d4794e7cfac643610beb9137
SHA256

588dfc85519b91076dd6a7d0855ee1f4486bf2d54990e4f0b5d08b2f4ad50b9c
SHA512

3532cc1be249eecde590e7ea261cb9180c47d3dfd720c43a8e80b9352772189ad21b9ea13139b411c5b1d7e4c73d1ae616b0f1d5ef56f746a8b821c1a130bbe1
SSDEEP

3072:riLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaollzoxss7:riLVCIT4WK2z1W+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
behavioral1/memory/2840-1-0x00000000751D0000-0x00000000751FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2980	2840	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2840	2068	rundll32.exe	30
PID 2068 wrote to memory of 2840	2068	rundll32.exe	30
PID 2068 wrote to memory of 2840	2068	rundll32.exe	30
PID 2068 wrote to memory of 2840	2068	rundll32.exe	30
PID 2068 wrote to memory of 2840	2068	rundll32.exe	30
PID 2068 wrote to memory of 2840	2068	rundll32.exe	30
PID 2068 wrote to memory of 2840	2068	rundll32.exe	30
PID 2840 wrote to memory of 2980	2840	rundll32.exe	31
PID 2840 wrote to memory of 2980	2840	rundll32.exe	31
PID 2840 wrote to memory of 2980	2840	rundll32.exe	31
PID 2840 wrote to memory of 2980	2840	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_588dfc85519b91076dd6a7d0855ee1f4486bf2d54990e4f0b5d08b2f4ad50b9c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_588dfc85519b91076dd6a7d0855ee1f4486bf2d54990e4f0b5d08b2f4ad50b9c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 220
    3⤵
    - Program crash
    PID:2980

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/2840-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2840-1-0x00000000751D0000-0x00000000751FF000-memory.dmp

Filesize
188KB

Download
memory/2840-4-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download