Overview
overview
3Static
static
3New Compre...er.zip
windows7-x64
1New Compre...er.zip
windows10-2004-x64
1net8.0/JObject.dll
windows7-x64
1net8.0/JObject.dll
windows10-2004-x64
1net8.0/New...on.dll
windows7-x64
1net8.0/New...on.dll
windows10-2004-x64
1net8.0/Spo...s.json
windows7-x64
3net8.0/Spo...s.json
windows10-2004-x64
3net8.0/Spo...se.exe
windows7-x64
1net8.0/Spo...se.exe
windows10-2004-x64
1net8.0/Spo...se.exe
windows7-x64
1net8.0/Spo...se.exe
windows10-2004-x64
1net8.0/Spo...se.pdb
windows7-x64
3net8.0/Spo...se.pdb
windows10-2004-x64
3net8.0/Spo...g.json
windows7-x64
3net8.0/Spo...g.json
windows10-2004-x64
3Analysis
-
max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
07/06/2024, 10:25 UTC
Static task
static1
Behavioral task
behavioral1
Sample
New Compressed (zipped) Folder.zip
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
New Compressed (zipped) Folder.zip
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
net8.0/JObject.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
net8.0/JObject.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
net8.0/Newtonsoft.Json.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
net8.0/Newtonsoft.Json.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
net8.0/Spoofer Base.deps.json
Resource
win7-20240419-en
Behavioral task
behavioral8
Sample
net8.0/Spoofer Base.deps.json
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
net8.0/Spoofer Base.exe
Resource
win7-20240215-en
Behavioral task
behavioral10
Sample
net8.0/Spoofer Base.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
net8.0/Spoofer Base.exe
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
net8.0/Spoofer Base.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
net8.0/Spoofer Base.pdb
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
net8.0/Spoofer Base.pdb
Resource
win10v2004-20240426-en
Behavioral task
behavioral15
Sample
net8.0/Spoofer Base.runtimeconfig.json
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
net8.0/Spoofer Base.runtimeconfig.json
Resource
win10v2004-20240508-en
General
-
Target
net8.0/Spoofer Base.runtimeconfig.json
-
Size
340B
-
MD5
253333997e82f7d44ea8072dfae6db39
-
SHA1
03b9744e89327431a619505a7c72fd497783d884
-
SHA256
28329cf08f6505e73806b17558b187c02f0c1c516fe47ebfb7a013d082aaa306
-
SHA512
56d99039e0fb6305588e9f87361e7e0d5051507bf321ba36619c4d29741f35c27c62f025a52523c9e1c7287aabf1533444330a8cdf840fa5af0fa2241fcb4fc2
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json\ = "json_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2636 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2636 AcroRd32.exe 2636 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3040 wrote to memory of 2256 3040 cmd.exe 29 PID 3040 wrote to memory of 2256 3040 cmd.exe 29 PID 3040 wrote to memory of 2256 3040 cmd.exe 29 PID 2256 wrote to memory of 2636 2256 rundll32.exe 30 PID 2256 wrote to memory of 2636 2256 rundll32.exe 30 PID 2256 wrote to memory of 2636 2256 rundll32.exe 30 PID 2256 wrote to memory of 2636 2256 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\net8.0\Spoofer Base.runtimeconfig.json"1⤵
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\net8.0\Spoofer Base.runtimeconfig.json2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\net8.0\Spoofer Base.runtimeconfig.json"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2636
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3KB
MD50d162b85a15522e1b4a5b718d7b197c8
SHA1d7c15a564165665e9bc107397d06a93f3aa2557f
SHA256e911ec1866f964dc94c6fcd6c6aa1a098c53ac10726da8d1b2ef53256937b34c
SHA512e58b7aed1875f698359a7d82ec930d87edbc4528057f3fe65464bb6b0a11e05c322d11892ea05472f00567263e461efb17946e20694f07b57c399812ce19dbb5