Analysis
- max time kernel
149s - max time network
125s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
16/04/2024, 17:55
Static task
static1
Behavioral task
behavioral1
Sample
gcahfpmhcn.js
Resource
win7-20240221-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
gcahfpmhcn.js
Resource
win10v2004-20240412-en
5 signatures
150 seconds
General
- Target gcahfpmhcn.js
- Size 1006KB
- Sample240416-whe2dsab7y
- SHA256 5f4b5467cccbbc2f2c5771d9547e7fca350df341d154f4d83a4442b7a44cdf06
- MD5 5bca887380e1881f351c22574d257e41
- SHA1 987634d53966aa6e84c72ad366bb78e619cb674a
- SHA512 26c9da1464668a4d084095c4425f3e51c9c875e57315b8356081ab2ef032e5bfb28cbbef99d915dc626267c3abc9f8c134cae6778b5679e828fd55558946b92d
- SSDEEP 12288:k5hvpTSH6kI3/VITSZjbZkgdciA5Y0y9BY7BA0Et5YdtFpGzN3w1xYZWkTSP4Wn:kXpWH9eZZjdkeCjmlY3FeNgwuP4G
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2916 javaw.exe 2064 java.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2876 wrote to memory of 2916 2876 wscript.exe 28 PID 2876 wrote to memory of 2916 2876 wscript.exe 28 PID 2876 wrote to memory of 2916 2876 wscript.exe 28 PID 2916 wrote to memory of 2064 2916 javaw.exe 29 PID 2916 wrote to memory of 2064 2916 javaw.exe 29 PID 2916 wrote to memory of 2064 2916 javaw.exe 29 PID 2916 wrote to memory of 1876 2916 javaw.exe 33 PID 2916 wrote to memory of 1876 2916 javaw.exe 33 PID 2916 wrote to memory of 1876 2916 javaw.exe 33 PID 1876 wrote to memory of 1724 1876 cmd.exe 35 PID 1876 wrote to memory of 1724 1876 cmd.exe 35 PID 1876 wrote to memory of 1724 1876 cmd.exe 35 PID 2916 wrote to memory of 2408 2916 javaw.exe 36 PID 2916 wrote to memory of 2408 2916 javaw.exe 36 PID 2916 wrote to memory of 2408 2916 javaw.exe 36 PID 2408 wrote to memory of 604 2408 cmd.exe 38 PID 2408 wrote to memory of 604 2408 cmd.exe 38 PID 2408 wrote to memory of 604 2408 cmd.exe 38
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\gcahfpmhcn.js1⤵
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Program Files\Java\jre7\bin\javaw.exe"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\smpihif.txt"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Program Files\Java\jre7\bin\java.exe"C:\Program Files\Java\jre7\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.29562582451282861617106531538074678.class3⤵
- Suspicious use of SetWindowsHookEx
PID:2064
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C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive1743599428434795524.vbs3⤵
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive1743599428434795524.vbs4⤵PID:1724
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C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive305437730120167064.vbs3⤵
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive305437730120167064.vbs4⤵PID:604
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C:\Windows\system32\xcopy.exexcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e3⤵PID:1544
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\Retrive1743599428434795524.vbs
- Size 276B
- SHA256 9da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6
- MD5 3bdfd33017806b85949b6faa7d4b98e4
- SHA1 f92844fee69ef98db6e68931adfaa9a0a0f8ce66
- SHA512 ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\Retrive305437730120167064.vbs
- Size 281B
- SHA256 45bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7
- MD5 a32c109297ed1ca155598cd295c26611
- SHA1 dc4a1fdbaad15ddd6fe22d3907c6b03727b71510
- SHA512 70372552dc86fe02ece9fe3b7721463f80be07a34126b2c75b41e30078cda9e90744c7d644df623f63d4fb985482e345b3351c4d3da873162152c67fc6ecc887
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\_0.29562582451282861617106531538074678.class
- Size 241KB
- SHA256 97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
- MD5 781fb531354d6f291f1ccab48da6d39f
- SHA1 9ce4518ebcb5be6d1f0b5477fa00c26860fe9a68
- SHA512 3e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8
- SSDEEP 6144:WI5pxUZ7Gvi8ulm+yV/rIF0/MO2qnan1J7pXESN6U:J5pxAGqNkrIq/MO2qnA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3452737119-3959686427-228443150-1000\83aa4cc77f591dfc2374580bbd95f6ba_ad04ce47-83ca-4cca-a79e-77cdc80ce41e
- Size 45B
- SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
- MD5 c8366ae350e7019aefc9d1e6e6a498c6
- SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
- SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\smpihif.txt
- Size 479KB
- SHA256 4c81c42509988b29c4d77288ed55849de919676fbca4a938bf773f893f2e547e
- MD5 d7d1131452a0427e78a2710d280537b5
- SHA1 279b601cb79c5d1790910c839125a45b2f43101d
- SHA512 483d03f5dcf0011679463a68f233cb50796c056d1045cc6eeaccae41ffbe51e562a186f6cd6196b0c3b63631553a7d780d6d77648117903e4d58238b2ef8d198
- SSDEEP 12288:x8h4GbbFN8rQO/rATlnt85pxogQNUhIK/0c2qnAU:x83T88O/NsS7B2qnl
- MD5 SHA1 SHA512 SSDEEP