dridex | 96c8bcc5ee3708ee98539e8e8d7711937b788e7b87610282e453971fec290961

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-09-2024 02:02

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General

Target

2463353a7a53c965fd605740a8a4a4a0N.dll
Size

277KB
MD5

2463353a7a53c965fd605740a8a4a4a0
SHA1

c7c16673f6823ef664b799c6096a4fc8eb48f050
SHA256

96c8bcc5ee3708ee98539e8e8d7711937b788e7b87610282e453971fec290961
SHA512

42d96d7fcfbedd0750146e6b1b3374efab9b41a21407dfa3cde22ede4c5a2e682b13c8fc7556f9091543bd67f93f0f6e7ab19b3c1caa09564cf406b479b9d954
SSDEEP

6144:GzWxkOP4p2EesvcDi6DOHPJo3d0KJ4z1WE9au/4pAClIXJO9wMkPjCIeh0mzJMEl:nSOP47es0e6yHPJo3d0KJ4z1WE9au/4L

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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

Processes:

resource	yara_rule
behavioral1/memory/2012-1-0x0000000074680000-0x00000000746B1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
836	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

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 836	2012	rundll32.exe	32
PID 2012 wrote to memory of 836	2012	rundll32.exe	32
PID 2012 wrote to memory of 836	2012	rundll32.exe	32
PID 2012 wrote to memory of 836	2012	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2463353a7a53c965fd605740a8a4a4a0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2463353a7a53c965fd605740a8a4a4a0N.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 220
    3⤵
    - Program crash
    PID:836

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/2012-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2012-1-0x0000000074680000-0x00000000746B1000-memory.dmp

Filesize
196KB

Download
memory/2012-4-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download