Analysis
-
max time kernel
150s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06-11-2022 15:09
Static task
static1
Behavioral task
behavioral1
Sample
7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
-
Target
7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe
-
Size
248KB
-
MD5
0892273d1e20248ca57f1e09a685d4fc
-
SHA1
d88552f84052b129532ba9c2c138cd991286ddaa
-
SHA256
7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f
-
SHA512
3f61eab5c08ba53e2c0c60f221ba3ce54d114ca7bde65131cf3e84f7e9acf303722f2ec0cb2143dfafcd54b412a9af89d699a060cbe579c72d5ce2d1046bef25
-
SSDEEP
6144:quU5tPKDZvGqe/6nRefjUIZmBRfh7Fmvxyx7:quUrPKDZvGqe/eefjURRr
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gfcaeq.exe -
Executes dropped EXE 1 IoCs
pid Process 1980 gfcaeq.exe -
Loads dropped DLL 2 IoCs
pid Process 1948 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe 1948 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /j" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /b" gfcaeq.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /z" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /s" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /t" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /c" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /x" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /r" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /a" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /h" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /i" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /n" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /p" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /k" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /l" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /y" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /b" 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /u" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /v" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /d" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /e" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /q" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /g" gfcaeq.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /w" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /o" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /f" gfcaeq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gfcaeq = "C:\\Users\\Admin\\gfcaeq.exe /m" gfcaeq.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum gfcaeq.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 gfcaeq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1948 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe 1980 gfcaeq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1948 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe 1980 gfcaeq.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1948 wrote to memory of 1980 1948 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe 28 PID 1948 wrote to memory of 1980 1948 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe 28 PID 1948 wrote to memory of 1980 1948 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe 28 PID 1948 wrote to memory of 1980 1948 7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe"C:\Users\Admin\AppData\Local\Temp\7255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\gfcaeq.exe"C:\Users\Admin\gfcaeq.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1980
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
248KB
MD50892273d1e20248ca57f1e09a685d4fc
SHA1d88552f84052b129532ba9c2c138cd991286ddaa
SHA2567255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f
SHA5123f61eab5c08ba53e2c0c60f221ba3ce54d114ca7bde65131cf3e84f7e9acf303722f2ec0cb2143dfafcd54b412a9af89d699a060cbe579c72d5ce2d1046bef25
-
Filesize
248KB
MD50892273d1e20248ca57f1e09a685d4fc
SHA1d88552f84052b129532ba9c2c138cd991286ddaa
SHA2567255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f
SHA5123f61eab5c08ba53e2c0c60f221ba3ce54d114ca7bde65131cf3e84f7e9acf303722f2ec0cb2143dfafcd54b412a9af89d699a060cbe579c72d5ce2d1046bef25
-
Filesize
248KB
MD50892273d1e20248ca57f1e09a685d4fc
SHA1d88552f84052b129532ba9c2c138cd991286ddaa
SHA2567255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f
SHA5123f61eab5c08ba53e2c0c60f221ba3ce54d114ca7bde65131cf3e84f7e9acf303722f2ec0cb2143dfafcd54b412a9af89d699a060cbe579c72d5ce2d1046bef25
-
Filesize
248KB
MD50892273d1e20248ca57f1e09a685d4fc
SHA1d88552f84052b129532ba9c2c138cd991286ddaa
SHA2567255155c1cad1cd7a35102c935de42bc33640c794dbef703a1489e2b65d3d37f
SHA5123f61eab5c08ba53e2c0c60f221ba3ce54d114ca7bde65131cf3e84f7e9acf303722f2ec0cb2143dfafcd54b412a9af89d699a060cbe579c72d5ce2d1046bef25