dridex | ef1375238bf03d30e74be6942ce9caa41f5cc4906ad77b733a90c61e5e552c68

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 03:24

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General

Target

JaffaCakes118_ef1375238bf03d30e74be6942ce9caa41f5cc4906ad77b733a90c61e5e552c68.dll
Size

188KB
MD5

a66e482b8f1f5bc1c58ae70584d80bb7
SHA1

c630625bd085910829ffd4b3a4ca2d3e1c86c469
SHA256

ef1375238bf03d30e74be6942ce9caa41f5cc4906ad77b733a90c61e5e552c68
SHA512

12bd4b690fd8ef9b6f9d5aa13dbc18d016ce2fc581344a535357e49659c359075ab812bd4ba481a7fe5ea7fefa76e79352da4cec563cea69e211aaaf3a21e0b8
SSDEEP

3072:WA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAowo:WzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/2012-0-0x00000000746C0000-0x00000000746F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1960	2012	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 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2012 wrote to memory of 1960	2012	rundll32.exe	32
PID 2012 wrote to memory of 1960	2012	rundll32.exe	32
PID 2012 wrote to memory of 1960	2012	rundll32.exe	32
PID 2012 wrote to memory of 1960	2012	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef1375238bf03d30e74be6942ce9caa41f5cc4906ad77b733a90c61e5e552c68.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef1375238bf03d30e74be6942ce9caa41f5cc4906ad77b733a90c61e5e552c68.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 300
    3⤵
    - Program crash
    PID:1960

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/2012-0-0x00000000746C0000-0x00000000746F0000-memory.dmp

Filesize
192KB

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memory/2012-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

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