General
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Target
setup (2020_09_08 06_33_12 UTC).exe
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Size
3MB
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Sample
230907-v116xacc51
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MD5
2701293da5a43c76b05e7f5adf04feea
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SHA1
3cc73d2630aff662173fe2a95486024e4a3e31d2
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SHA256
ec3c6fa4ca0a5656cbda79b47b6aabc999f185f001c5f8d9fc324dc1cda2e4f4
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SHA512
7560590b27bfd561902df430070fa90687875bacd462627b700ed3ebb6cf839bebb6af10bd852c756db301e9a02108b08e5dc889f21513a319b9268eb5edd9d4
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SSDEEP
98304:lFAWmw2Qmxczz0yi+kWT1Z4METooUcBWd+1+PIIhz:lCR3xm0s5TeUzd+kwIhz
Static task
static1
Behavioral task
behavioral1
Sample
Device/HarddiskVolume9/Kumaya/D/FileHistory/SreejithK@VIRTUSHOLDING.COM/LTP-566/Data/C/Users/Sreejit.exe
Resource
win7-20230831-en
Malware Config
Extracted
cryptbot
tuytee13.top
moriiikk07.top
Targets
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Target
Device/HarddiskVolume9/Kumaya/D/FileHistory/SreejithK@VIRTUSHOLDING.COM/LTP-566/Data/C/Users/SreejithKumaya/Desktop/New folder (3)/setup (2020_09_08 06_33_12 UTC).exe
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Size
3MB
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MD5
0afb947cb776933653e23d970a3d8d14
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SHA1
c8ab072395450ae11a6abf5323922d74c180d24a
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SHA256
ad08c7d20f5342efc20b4460ad66b0961a423804915012ab2969efe25e1288b5
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SHA512
ae031402db52a167e6754bf9c04b3f810ad0e2e1202349141f878dc89de6ad1fbfb586d1ef8aee3ca79efa70539dc18ec2da7ca74e3255c01e9956f57d987dc0
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SSDEEP
98304:zdh4mx3ywXIaszDU5j5eXOUvlDYL5JZNKdSC7ZUY6NsOoWNCCy9R:zP4s3hXIan5e+UNiuF7INNoWdyn
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CryptBot payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Suspicious use of NtSetInformationThreadHideFromDebugger
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