Analysis
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max time kernel
188s -
max time network
73s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 14:04
Behavioral task
behavioral1
Sample
792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe
Resource
win10v2004-20220812-en
General
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Target
792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe
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Size
350KB
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MD5
54fdd65c3118c9b6b3d1515940a383f6
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SHA1
cbd95fcb1ae9f7265063d8d193c541c422395594
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SHA256
792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba
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SHA512
9df1b91b8c85ace67af4c8d55ae5dff72b49fbfd3d8d7376d57472c052b836a381d25b4de192179997daa658451705602c03aea17d206af2b5a9ef17d5073246
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SSDEEP
6144:QGzRxSVtp0l6whGfsKR+zkBpTaa5tJHXF:jt0VPFfsKAkrbPlXF
Malware Config
Signatures
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Gh0st RAT payload 1 IoCs
resource yara_rule behavioral1/memory/1712-59-0x0000000000400000-0x00000000004F1000-memory.dmp family_gh0strat -
Executes dropped EXE 1 IoCs
pid Process 1712 (null)0.exe -
resource yara_rule behavioral1/memory/844-55-0x0000000000400000-0x00000000004F1000-memory.dmp upx behavioral1/files/0x000a000000012300-57.dat upx behavioral1/memory/1712-59-0x0000000000400000-0x00000000004F1000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe" 792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created \??\c:\Windows\BJ.exe 792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe File opened for modification \??\c:\Windows\BJ.exe 792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe File created \??\c:\Windows\(null)0.exe 792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 844 wrote to memory of 1712 844 792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe 28 PID 844 wrote to memory of 1712 844 792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe 28 PID 844 wrote to memory of 1712 844 792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe 28 PID 844 wrote to memory of 1712 844 792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe"C:\Users\Admin\AppData\Local\Temp\792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:844 -
\??\c:\Windows\(null)0.exec:\Windows\(null)0.exe2⤵
- Executes dropped EXE
PID:1712
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
350KB
MD5899e95584d173d8bf1b0ab91ab3d8b05
SHA1a8b10caa392217f25d7f48e6e441b494cc517ac1
SHA256ac538ef93b92bd3324925f86024b634faed83043a600d3a96ce967b3f1566c6b
SHA512956ef3c578308298a905205e742823d1840c428985e792bd3c3fd39ed8786070eb6bc12c2ff42d1eb5708351bb47015d35cd29fbba9c329f5a343505a3822207