dridex | 046eba7fd7191009647a9685c35d449df0ebf26cb6bcd3e7b7d04fdbc8315b70

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 07:02

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General

Target

483a908dba24ae04106eb45b18ff7230N.dll
Size

184KB
MD5

483a908dba24ae04106eb45b18ff7230
SHA1

11709997ab13666d4bf7919991ceb0629b80c314
SHA256

046eba7fd7191009647a9685c35d449df0ebf26cb6bcd3e7b7d04fdbc8315b70
SHA512

72b6fd44237cc833d9cba1e876e26f198f874bf64c75c8bcbaaca10c828ff61b4173afcdd7fe4fb343ba2094a977a0585f1d944f24da7774affe98c332ea49ec
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoAlzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eao+oC

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 Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/528-1-0x0000000074E40000-0x0000000074E6F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2836	528	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 1488 wrote to memory of 528	1488	rundll32.exe	30
PID 1488 wrote to memory of 528	1488	rundll32.exe	30
PID 1488 wrote to memory of 528	1488	rundll32.exe	30
PID 1488 wrote to memory of 528	1488	rundll32.exe	30
PID 1488 wrote to memory of 528	1488	rundll32.exe	30
PID 1488 wrote to memory of 528	1488	rundll32.exe	30
PID 1488 wrote to memory of 528	1488	rundll32.exe	30
PID 528 wrote to memory of 2836	528	rundll32.exe	31
PID 528 wrote to memory of 2836	528	rundll32.exe	31
PID 528 wrote to memory of 2836	528	rundll32.exe	31
PID 528 wrote to memory of 2836	528	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\483a908dba24ae04106eb45b18ff7230N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\483a908dba24ae04106eb45b18ff7230N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 220
    3⤵
    - Program crash
    PID:2836

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/528-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/528-1-0x0000000074E40000-0x0000000074E6F000-memory.dmp

Filesize
188KB

Download
memory/528-4-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download