Analysis
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max time kernel
150s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
28/05/2024, 18:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
virussign.com_a61dfe1db60b96e3c07662660c62b660.exe
Resource
win7-20231129-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
virussign.com_a61dfe1db60b96e3c07662660c62b660.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
virussign.com_a61dfe1db60b96e3c07662660c62b660.exe
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Size
53KB
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MD5
a61dfe1db60b96e3c07662660c62b660
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SHA1
fd11f161a76441f0ef1de959d8c6200ea7bd52f8
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SHA256
44ca97d686fc263590ed1d27ecfe0685997778339c5b55330e03805b05debacf
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SHA512
dfd5ecbeb852e72b36382a01a3bb8a353b1823deb11fb447c8068ae2771c323e4937f930ee21f705b92fdf9cc46aa88db96d209390131638bb343ec81edecf04
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SSDEEP
1536:vNng8r8QHCqAGn7Kp3StjEMjmLM3ztDJWZsXy4JzxPMk:BCqAGnJJjmLM3zRJWZsXy4JN
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gbdif.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation virussign.com_a61dfe1db60b96e3c07662660c62b660.exe -
Executes dropped EXE 1 IoCs
pid Process 3916 gbdif.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gbdif = "C:\\Users\\Admin\\gbdif.exe" gbdif.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe 3916 gbdif.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2104 virussign.com_a61dfe1db60b96e3c07662660c62b660.exe 3916 gbdif.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2104 wrote to memory of 3916 2104 virussign.com_a61dfe1db60b96e3c07662660c62b660.exe 88 PID 2104 wrote to memory of 3916 2104 virussign.com_a61dfe1db60b96e3c07662660c62b660.exe 88 PID 2104 wrote to memory of 3916 2104 virussign.com_a61dfe1db60b96e3c07662660c62b660.exe 88 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83 PID 3916 wrote to memory of 2104 3916 gbdif.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\virussign.com_a61dfe1db60b96e3c07662660c62b660.exe"C:\Users\Admin\AppData\Local\Temp\virussign.com_a61dfe1db60b96e3c07662660c62b660.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Users\Admin\gbdif.exe"C:\Users\Admin\gbdif.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD55e45075635345dd65bdd01852704d7af
SHA1988bec4396ab9a48e815e3ae22249fce4759d005
SHA256bf67b379d23794562408ea3b34b64b09a9bbf337fdb0378de41199c6040ef2a1
SHA512b1a80ae30af10809be6987fa9592bc482eeed15e439d3d54f84252c2b634f68840a3f624d4df582f85fdc49a316fd5f8fff7549f73949faf5d393ded710cd3c8