dridex | 3fca1e1a6108434daec27c6d3f40db226257f290c9a29b10a8fa8d46fa3e9004

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 03:19

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General

Target

JaffaCakes118_3fca1e1a6108434daec27c6d3f40db226257f290c9a29b10a8fa8d46fa3e9004.dll
Size

184KB
MD5

27f3b526f9ad11e5a19d05ce2e4b9ec0
SHA1

bbacb0190c0a110b6a498fd685b34058c9f46a50
SHA256

3fca1e1a6108434daec27c6d3f40db226257f290c9a29b10a8fa8d46fa3e9004
SHA512

1c2a442c826b3029fc330d83b5aa2329207c68be8a084352283640c0b25e0fa26011278e72a4a03dd1941fb6f2456e55389c1f1261becca64efe267178ed6fa4
SSDEEP

3072:HiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoNlzoxss7:HiLVCIT4WK2z1W+CUHZj4Skq/eaoDoC

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/2540-1-0x00000000749F0000-0x0000000074A1F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1136	2540	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 3048 wrote to memory of 2540	3048	rundll32.exe	30
PID 3048 wrote to memory of 2540	3048	rundll32.exe	30
PID 3048 wrote to memory of 2540	3048	rundll32.exe	30
PID 3048 wrote to memory of 2540	3048	rundll32.exe	30
PID 3048 wrote to memory of 2540	3048	rundll32.exe	30
PID 3048 wrote to memory of 2540	3048	rundll32.exe	30
PID 3048 wrote to memory of 2540	3048	rundll32.exe	30
PID 2540 wrote to memory of 1136	2540	rundll32.exe	32
PID 2540 wrote to memory of 1136	2540	rundll32.exe	32
PID 2540 wrote to memory of 1136	2540	rundll32.exe	32
PID 2540 wrote to memory of 1136	2540	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3fca1e1a6108434daec27c6d3f40db226257f290c9a29b10a8fa8d46fa3e9004.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3fca1e1a6108434daec27c6d3f40db226257f290c9a29b10a8fa8d46fa3e9004.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 220
    3⤵
    - Program crash
    PID:1136

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/2540-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2540-1-0x00000000749F0000-0x0000000074A1F000-memory.dmp

Filesize
188KB

Download
memory/2540-4-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download