Analysis
- max time kernel
144s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
05/10/2024, 01:50
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe
Resource
win7-20240903-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe
Resource
win10v2004-20240802-en
8 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
3 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
3 signatures
150 seconds
General
- Target d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe
- Size 898KB
- Sample241005-b9mkbsydmn
- SHA256 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6
- MD5 2a19eac38990809a62213e2b89be0f60
- SHA1 99d231bc3c54c0d29469c97c4987329fd523fe20
- SHA512 c5691f86d12f6263405d44288f0ca918dccb8ecd131010053cb12b4989587257935fd0f219ae06f36f79a30fba123596569cdcd0c65a342db2d68583f6a56d11
- SSDEEP 24576:ZFZsHTO9u9XKhrmooaiw6J/xJ3hLGdftX8P2J8:Z3n9i6BiwW5J3lStMPm8
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
pid Process 2520 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2520 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe 1740 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2520 set thread context of 1740 2520 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe 87 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2520 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2520 wrote to memory of 1740 2520 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe 87 PID 2520 wrote to memory of 1740 2520 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe 87 PID 2520 wrote to memory of 1740 2520 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe 87 PID 2520 wrote to memory of 1740 2520 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe 87 PID 2520 wrote to memory of 1740 2520 d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe"C:\Users\Admin\AppData\Local\Temp\d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Users\Admin\AppData\Local\Temp\d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe"C:\Users\Admin\AppData\Local\Temp\d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
PID:1740
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsj830E.tmp\System.dll
- Size 12KB
- SHA256 a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c
- MD5 d968cb2b98b83c03a9f02dd9b8df97dc
- SHA1 d784c9b7a92dce58a5038beb62a48ff509e166a0
- SHA512 2ee41dc68f329a1519a8073ece7d746c9f3bf45d8ef3b915deb376af37e26074134af5f83c8af0fe0ab227f0d1acca9f37e5ca7ae37c46c3bcc0331fe5e2b97e
- SSDEEP 192:CVA1YOTDExj7EFrYCT4E8y3hoSdtTgwF43E7QbGPXI9uIc6w79Mw:CrR7SrtTv53tdtTgwF4SQbGPX36wJMw
- MD5 SHA1 SHA512 SSDEEP