dridex | acf4d45ee0565b72fbb9915a98f9ef4309ed5b4b6b1924f1fbbc12d06b9f94ec

Analysis

max time kernel
149s
max time network
150s
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 01:45

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General

Target

JaffaCakes118_acf4d45ee0565b72fbb9915a98f9ef4309ed5b4b6b1924f1fbbc12d06b9f94ec.dll
Size

184KB
MD5

bc2551facb26c14e604a30e6d0d75fbd
SHA1

fee581ccad7a580a5430cee37389c547f8d4918e
SHA256

acf4d45ee0565b72fbb9915a98f9ef4309ed5b4b6b1924f1fbbc12d06b9f94ec
SHA512

b8d55a01de10832564c146919006d53a617c2326302d4d0bb312b5368b4bc2f110f0291b0bf408a3b81ec20d06e88fa126532747970fd9a6071da2a54f7cda16
SSDEEP

3072:8JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JUa//2uFrSc:BfYOX+wTScR/Xzku9LVwjuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1720-0-0x00000000758F0000-0x000000007591F000-memory.dmp	dridex_ldr
behavioral2/memory/1720-3-0x00000000758F0000-0x000000007591F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1132	1720	WerFault.exe	82

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 3644 wrote to memory of 1720	3644	rundll32.exe	82
PID 3644 wrote to memory of 1720	3644	rundll32.exe	82
PID 3644 wrote to memory of 1720	3644	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_acf4d45ee0565b72fbb9915a98f9ef4309ed5b4b6b1924f1fbbc12d06b9f94ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_acf4d45ee0565b72fbb9915a98f9ef4309ed5b4b6b1924f1fbbc12d06b9f94ec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 624
    3⤵
    - Program crash
    PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1720 -ip 1720
1⤵
PID:640

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/1720-0-0x00000000758F0000-0x000000007591F000-memory.dmp

Filesize
188KB

Download
memory/1720-2-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1720-3-0x00000000758F0000-0x000000007591F000-memory.dmp

Filesize
188KB

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