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Analysis
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max time kernel
167s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 20:16
Static task
static1
Behavioral task
behavioral1
Sample
e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe
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Size
172KB
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MD5
92548b286013b46a345589cbb890c220
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SHA1
61e4d7f113ef15024e1ec6fca912fa3291dfc346
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SHA256
e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b
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SHA512
376d1dfcf1e6f701f9d0831a86b8125c30abb62cb95c54034407edc55bf37332ce24e2d482778bbcfce3a85441d2b95e9e31bf3b4f99729d7a2aa5a1b382d8e9
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SSDEEP
1536:ydSNkv6u/eKHCa0SfHB2QmB8itdmcZYfO+1UOWlNLeYZrLf+1u3df/jT6pxZJWtr:OLv6iHJdkvY2+ydeYMvnWtmpzaVmS1/
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" e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mjcauf.exe -
Executes dropped EXE 1 IoCs
pid Process 1088 mjcauf.exe -
Loads dropped DLL 2 IoCs
pid Process 1788 e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe 1788 e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /q" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /n" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /f" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /r" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /k" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /h" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /x" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /o" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /y" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /g" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /t" mjcauf.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /e" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /a" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /u" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /l" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /s" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /b" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /j" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /v" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /s" e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /p" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /z" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /w" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /i" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /m" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /c" mjcauf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjcauf = "C:\\Users\\Admin\\mjcauf.exe /d" mjcauf.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 1788 e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe 1088 mjcauf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1788 e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe 1088 mjcauf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1788 wrote to memory of 1088 1788 e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe 27 PID 1788 wrote to memory of 1088 1788 e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe 27 PID 1788 wrote to memory of 1088 1788 e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe 27 PID 1788 wrote to memory of 1088 1788 e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.exe"C:\Users\Admin\AppData\Local\Temp\e0be3125eabed2b86590fe9861310fcc198b97acdd40240c8390a9b3e8cc327b.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:1788 -
C:\Users\Admin\mjcauf.exe"C:\Users\Admin\mjcauf.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:1088
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
172KB
MD582c21a47780325ad5b0d6d49a39bfdf0
SHA1c79aaf29fca428e0770150840a3c8c103186bd3d
SHA25658db3c9bad0781d077f7c97b6859ed71322dddee2e2b9069fae42e4488e52835
SHA5120c907ba134c63fff16f79b8392c646ccd97eba42c214f563d249a3b752972036bf97fe90476952ad69462faf08e6526ae0770e84ea9f56ee79ba01130ae3bcce
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Filesize
172KB
MD582c21a47780325ad5b0d6d49a39bfdf0
SHA1c79aaf29fca428e0770150840a3c8c103186bd3d
SHA25658db3c9bad0781d077f7c97b6859ed71322dddee2e2b9069fae42e4488e52835
SHA5120c907ba134c63fff16f79b8392c646ccd97eba42c214f563d249a3b752972036bf97fe90476952ad69462faf08e6526ae0770e84ea9f56ee79ba01130ae3bcce
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Filesize
172KB
MD582c21a47780325ad5b0d6d49a39bfdf0
SHA1c79aaf29fca428e0770150840a3c8c103186bd3d
SHA25658db3c9bad0781d077f7c97b6859ed71322dddee2e2b9069fae42e4488e52835
SHA5120c907ba134c63fff16f79b8392c646ccd97eba42c214f563d249a3b752972036bf97fe90476952ad69462faf08e6526ae0770e84ea9f56ee79ba01130ae3bcce
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Filesize
172KB
MD582c21a47780325ad5b0d6d49a39bfdf0
SHA1c79aaf29fca428e0770150840a3c8c103186bd3d
SHA25658db3c9bad0781d077f7c97b6859ed71322dddee2e2b9069fae42e4488e52835
SHA5120c907ba134c63fff16f79b8392c646ccd97eba42c214f563d249a3b752972036bf97fe90476952ad69462faf08e6526ae0770e84ea9f56ee79ba01130ae3bcce