Analysis
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max time kernel
150s -
max time network
74s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 10:18
Static task
static1
Behavioral task
behavioral1
Sample
8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe
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Size
224KB
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MD5
7aea1a14d1b2eda0858ba58484dddd10
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SHA1
e3712cbae9d5d855bb879952990226df01da9658
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SHA256
8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a
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SHA512
ceca0d6ab74b92c31603fa2b4fba214bed73d573947f84c5d6ba30a4c260f69200fc34ebde34d03bf574726ce6c281a7228937f64e93fead1b326c80b9d86d76
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SSDEEP
6144:tUqO83FrSU0bIaX/m7bfTWaJPGeyb7qh7wNAZBbM3f1jG:tUqO8RSU0bIaX/m7bfTWaV1wWZBbM3fg
Score
10/10
Malware Config
Signatures
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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" 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gmgax.exe -
Executes dropped EXE 1 IoCs
pid Process 916 gmgax.exe -
Loads dropped DLL 2 IoCs
pid Process 816 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe 816 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /t" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /v" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /d" gmgax.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /B" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /y" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /b" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /m" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /E" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /S" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /X" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /c" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /n" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /k" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /K" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /U" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /q" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /J" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /u" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /e" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /O" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /H" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /V" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /W" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /Q" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /Y" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /l" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /a" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /j" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /g" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /G" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /C" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /x" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /i" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /I" gmgax.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /A" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /M" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /D" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /s" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /z" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /R" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /T" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /N" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /p" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /o" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /w" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /b" 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /L" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /h" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /P" gmgax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gmgax = "C:\\Users\\Admin\\gmgax.exe /f" gmgax.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 816 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe 916 gmgax.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 816 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe 916 gmgax.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 816 wrote to memory of 916 816 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe 27 PID 816 wrote to memory of 916 816 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe 27 PID 816 wrote to memory of 916 816 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe 27 PID 816 wrote to memory of 916 816 8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe"C:\Users\Admin\AppData\Local\Temp\8a6f2d7f933d0b69d4c1e2c0048d3e3465f34349c427bcc9ade813661bd9d22a.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:816 -
C:\Users\Admin\gmgax.exe"C:\Users\Admin\gmgax.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
PID:916
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD5d29faf2aedcf54602efe2c739e941783
SHA174da5fb1d36a9d01553e77874aac622d484b96e6
SHA256755e468f5e61139fa0709bc718c60694736ec282c7706f779bc77fa4a117a1bb
SHA5128a7c8d49ca2202e361e9fef3fbf68ef5dbb9a9cab9aad0c85afc64de079290bd3e9e1b636dd3e8f99640528c6be2fbd0c830c8ab6acf1ec55335fe38890f6914
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Filesize
224KB
MD5d29faf2aedcf54602efe2c739e941783
SHA174da5fb1d36a9d01553e77874aac622d484b96e6
SHA256755e468f5e61139fa0709bc718c60694736ec282c7706f779bc77fa4a117a1bb
SHA5128a7c8d49ca2202e361e9fef3fbf68ef5dbb9a9cab9aad0c85afc64de079290bd3e9e1b636dd3e8f99640528c6be2fbd0c830c8ab6acf1ec55335fe38890f6914
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Filesize
224KB
MD5d29faf2aedcf54602efe2c739e941783
SHA174da5fb1d36a9d01553e77874aac622d484b96e6
SHA256755e468f5e61139fa0709bc718c60694736ec282c7706f779bc77fa4a117a1bb
SHA5128a7c8d49ca2202e361e9fef3fbf68ef5dbb9a9cab9aad0c85afc64de079290bd3e9e1b636dd3e8f99640528c6be2fbd0c830c8ab6acf1ec55335fe38890f6914
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Filesize
224KB
MD5d29faf2aedcf54602efe2c739e941783
SHA174da5fb1d36a9d01553e77874aac622d484b96e6
SHA256755e468f5e61139fa0709bc718c60694736ec282c7706f779bc77fa4a117a1bb
SHA5128a7c8d49ca2202e361e9fef3fbf68ef5dbb9a9cab9aad0c85afc64de079290bd3e9e1b636dd3e8f99640528c6be2fbd0c830c8ab6acf1ec55335fe38890f6914