0bfeb9c0d367f6caf4a1dd78b9855a3074930d1197012fbb3ca546b77200e108

Resubmissions

05-07-2024 16:45

240705-t9gyys1hrn 10

05-07-2024 16:32

240705-t2a6fa1gnn 10

Analysis

max time kernel
488s
max time network
493s
platform
windows11-21h2_x64
resource
win11-20240704-en
resource tags

arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system
submitted
05-07-2024 16:32

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General

Target

setup.exe
Size

794.4MB
MD5

6d95cb153d6806c9f408fa1d17253001
SHA1

38371c4df014bf03ea0430392202b78319f4b09f
SHA256

a04defc1f6811ebb64907ad79c63c2ccedb2cba15afca05758f537768da7b934
SHA512

0ab1800b639709648e82c9370e727999de9b5564107cd41b2d0ff5bbbb6f324a854ef5a5269cd8c3f3ac96c669014b9eac398c8902e47d779027b6726aec95d2
SSDEEP

98304:dmg6rK+6/Murdncf8kJPBesTcbMl3sjWpoDELiDKzyeByA:doYMKaP5eqcbM5sOLiDheB

Score

10^/10

evasion

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

setup.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	setup.exe

Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.myip.com
4 ipinfo.io
5 api.myip.com
6 ipinfo.io

flow	ioc
4	api.myip.com
4	ipinfo.io
5	api.myip.com
6	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

setup.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	setup.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	setup.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	setup.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	setup.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

setup.exe

pid process

4760 setup.exe
4760 setup.exe

pid	process
4760	setup.exe
4760	setup.exe

C:\Users\Admin\AppData\Local\Temp\setup.exe
"C:\Users\Admin\AppData\Local\Temp\setup.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:4760

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:244

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4760-1-0x00007FFB23CD0000-0x00007FFB23CD2000-memory.dmp

Filesize
8KB

Download
memory/4760-6-0x00007FF6C3710000-0x00007FF6C3EA6000-memory.dmp

Filesize
7.6MB

Download
memory/4760-0-0x00007FF6C3876000-0x00007FF6C3A8F000-memory.dmp

Filesize
2.1MB

Download
memory/4760-2-0x00007FF6C3710000-0x00007FF6C3EA6000-memory.dmp

Filesize
7.6MB

Download
memory/4760-14-0x00007FF6C3876000-0x00007FF6C3A8F000-memory.dmp

Filesize
2.1MB

Download
memory/4760-15-0x00007FF6C3710000-0x00007FF6C3EA6000-memory.dmp

Filesize
7.6MB

Download