Analysis
-
max time kernel
61s -
max time network
69s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 01:20
Static task
static1
Behavioral task
behavioral1
Sample
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
Resource
win7-20240221-en
General
-
Target
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
-
Size
2.9MB
-
MD5
991ad8f508243cc6706d30d800cd5016
-
SHA1
8bde1d4bb724e947826ff19c90e5685f31eb5fef
-
SHA256
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96
-
SHA512
e76ddd0777a17fd1d28f860301602f03b729beb067adcfded6503ee9a4f3898dc064caf3c8b80e0e803be67685667005d2a9816e1eaf40ac25584a711f5ac3a5
-
SSDEEP
24576:bpGE2viqfRCgCfZIXcsUbODj6tmIvZaJaTtkCqwMrcUVnF+cD4I6cG8f1WWCwFGp:TQiwCDZkpNIRdc/l4I6IWFwFI/+Wdh
Malware Config
Extracted
amadey
4.18
http://193.233.132.56
-
install_dir
09fd851a4f
-
install_file
explorha.exe
-
strings_key
443351145ece4966ded809641c77cfa8
-
url_paths
/Pneh2sXQk0/index.php
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
Processes:
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe -
Checks BIOS information in registry 2 TTPs 6 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exeexplorha.exeexplorha.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe -
Executes dropped EXE 2 IoCs
Processes:
explorha.exeexplorha.exepid process 4864 explorha.exe 3632 explorha.exe -
Identifies Wine through registry keys 2 TTPs 3 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
explorha.exe39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exeexplorha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
Processes:
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exeexplorha.exeexplorha.exepid process 2332 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe 4864 explorha.exe 3632 explorha.exe -
Drops file in Windows directory 1 IoCs
Processes:
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exedescription ioc process File created C:\Windows\Tasks\explorha.job 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exeexplorha.exeexplorha.exepid process 2332 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe 2332 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe 4864 explorha.exe 4864 explorha.exe 3632 explorha.exe 3632 explorha.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exepid process 2332 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exedescription pid process target process PID 2332 wrote to memory of 4864 2332 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe explorha.exe PID 2332 wrote to memory of 4864 2332 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe explorha.exe PID 2332 wrote to memory of 4864 2332 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe explorha.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe"C:\Users\Admin\AppData\Local\Temp\39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4864
-
-
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3632
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3020 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵PID:3520
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.9MB
MD5991ad8f508243cc6706d30d800cd5016
SHA18bde1d4bb724e947826ff19c90e5685f31eb5fef
SHA25639fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96
SHA512e76ddd0777a17fd1d28f860301602f03b729beb067adcfded6503ee9a4f3898dc064caf3c8b80e0e803be67685667005d2a9816e1eaf40ac25584a711f5ac3a5