Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
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submitted
06/11/2023, 10:50
General
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Target
31dd9d469e23e54923e3718da0b23d77819a8fff07aa489786797d1ec15dd977.exe
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Size
4.0MB
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MD5
a80171ac212834d76549d8a09fea2038
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SHA1
cae54944e41930b5788769b885d41158bfe659fe
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SHA256
31dd9d469e23e54923e3718da0b23d77819a8fff07aa489786797d1ec15dd977
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SHA512
e187e70f33a9ac1995a106a26436799cfceb596551ca00cb39e823694c9f8143d9af4bc4e546c263ceccb15a75ca7d4ebddbd108f2f97c02ebfa4a20f9fea593
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SSDEEP
98304:vdgDEyNzq5mCwBXRBX1soDprsUMZDBz5erNmO7e:FgDEyrvhR1suKZDLerNh7e
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 3 IoCs
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Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 31 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs net.exe
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Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\31dd9d469e23e54923e3718da0b23d77819a8fff07aa489786797d1ec15dd977.exe"C:\Users\Admin\AppData\Local\Temp\31dd9d469e23e54923e3718da0b23d77819a8fff07aa489786797d1ec15dd977.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-33RFL.tmp\is-TO3OD.tmp"C:\Users\Admin\AppData\Local\Temp\is-33RFL.tmp\is-TO3OD.tmp" /SL4 $701E4 "C:\Users\Admin\AppData\Local\Temp\31dd9d469e23e54923e3718da0b23d77819a8fff07aa489786797d1ec15dd977.exe" 3879005 1505282⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 63⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 64⤵
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C:\Program Files (x86)\VideoREF\VideoREF.exe"C:\Program Files (x86)\VideoREF\VideoREF.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\VideoREF\VideoREF.exe"C:\Program Files (x86)\VideoREF\VideoREF.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD5af75bae0373f957fc122e38cc0593c7f
SHA1e71b885aec813603ca3bcacab85dfd1a713c2d32
SHA2562b7e34113bf7bca558443c750d97b48803714eb67f50d03eaefee45949edc6e7
SHA51287cbacd1a8b1fad7ef470044d7db705d5a73391b73b37885d12dfb9c5baac8ced58787e7d14ee261f4d3baf18bc561c4375f8dcd4a001596431829c6c2fa9148
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Filesize
2.0MB
MD5af75bae0373f957fc122e38cc0593c7f
SHA1e71b885aec813603ca3bcacab85dfd1a713c2d32
SHA2562b7e34113bf7bca558443c750d97b48803714eb67f50d03eaefee45949edc6e7
SHA51287cbacd1a8b1fad7ef470044d7db705d5a73391b73b37885d12dfb9c5baac8ced58787e7d14ee261f4d3baf18bc561c4375f8dcd4a001596431829c6c2fa9148
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Filesize
2.0MB
MD5af75bae0373f957fc122e38cc0593c7f
SHA1e71b885aec813603ca3bcacab85dfd1a713c2d32
SHA2562b7e34113bf7bca558443c750d97b48803714eb67f50d03eaefee45949edc6e7
SHA51287cbacd1a8b1fad7ef470044d7db705d5a73391b73b37885d12dfb9c5baac8ced58787e7d14ee261f4d3baf18bc561c4375f8dcd4a001596431829c6c2fa9148
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
32KB
MD5b4786eb1e1a93633ad1b4c112514c893
SHA1734750b771d0809c88508e4feb788d7701e6dada
SHA2562ae4169f721beb389a661e6dbb18bc84ef38556af1f46807da9d87aec2a6f06f
SHA5120882d2aa163ece22796f837111db0d55158098035005e57cd2e9b8d59dc2e582207840bf98bee534b81c368acf60ab5d8ecbe762209273bda067a215cdb2c0c6
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Filesize
32KB
MD5b4786eb1e1a93633ad1b4c112514c893
SHA1734750b771d0809c88508e4feb788d7701e6dada
SHA2562ae4169f721beb389a661e6dbb18bc84ef38556af1f46807da9d87aec2a6f06f
SHA5120882d2aa163ece22796f837111db0d55158098035005e57cd2e9b8d59dc2e582207840bf98bee534b81c368acf60ab5d8ecbe762209273bda067a215cdb2c0c6
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Filesize
828KB
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Filesize
4KB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
680KB
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Filesize
680KB
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Filesize
680KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
172KB
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Filesize
172KB