Analysis
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max time kernel
179s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
21-10-2022 05:18
Static task
static1
Behavioral task
behavioral1
Sample
fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe
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Size
218KB
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MD5
5a366d62530247bbb7fe6460fc748da0
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SHA1
c430642e000fbff14d0e05209085a473d33aaf1f
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SHA256
fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c
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SHA512
dd08b8d160aecfc2f6937475e058b29b4ab70cf0f5d9ecde56d4dddd297fac8437f5943a7c10f4bbb5ee349911d038003526429aabd3fc04f344969d02645c67
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SSDEEP
6144:2TMpSoR/PJ+Ol8uTCnDnxdj24lSZACZK:2WSoR/PJ+OlvqDxR24lSZAd
Score
8/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 532 tsasys.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\f: tsasys.exe File opened (read-only) \??\l: tsasys.exe File opened (read-only) \??\u: tsasys.exe File opened (read-only) \??\g: tsasys.exe File opened (read-only) \??\q: tsasys.exe File opened (read-only) \??\r: tsasys.exe File opened (read-only) \??\t: tsasys.exe File opened (read-only) \??\y: tsasys.exe File opened (read-only) \??\i: tsasys.exe File opened (read-only) \??\k: tsasys.exe File opened (read-only) \??\m: tsasys.exe File opened (read-only) \??\n: tsasys.exe File opened (read-only) \??\w: tsasys.exe File opened (read-only) \??\v: tsasys.exe File opened (read-only) \??\x: tsasys.exe File opened (read-only) \??\e: tsasys.exe File opened (read-only) \??\h: tsasys.exe File opened (read-only) \??\j: tsasys.exe File opened (read-only) \??\o: tsasys.exe File opened (read-only) \??\p: tsasys.exe File opened (read-only) \??\s: tsasys.exe File opened (read-only) \??\z: tsasys.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\oemdrv fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\DefaultIcon\ = "%1" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\shell\open\command fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\Software\Classes\oemdrv\shell\runas\command fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\shell\runas\command\IsolatedCommand = "\"%1\" %*" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\shell\runas fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\shell\runas\ommand\ = "\"%1\" %*" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\shell fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\shell\open\command\IsolatedCommand = "\"%1\" %*" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\shell fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\ = "oemdrv" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\shell\runas\command fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\shell\runas\command\ = "\"%1\" %*" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\Software\Classes\.exe fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\Content-Type = "application/x-msdownload" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\Software\Classes\.exe\DefaultIcon fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\Software\Classes\.exe\shell\open\command fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\shell\runas\ommand fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\Software\Classes\oemdrv\DefaultIcon fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\shell\open fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\shell\open\command\ = "\"C:\\ProgramData\\Microsoft\\CDRM\\tsasys.exe\" /START \"%1\" %*" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\shell\runas fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\DefaultIcon\ = "%1" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.exe fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\Software\Classes\.exe\shell\runas\ommand fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\shell\open fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\shell\open\command fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\shell\open\command\ = "\"C:\\ProgramData\\Microsoft\\CDRM\\tsasys.exe\" /START \"%1\" %*" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.exe\shell\runas\ommand\IsolatedCommand = "\"%1\" %*" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\ = "Application" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv\Content-Type = "application/x-msdownload" fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\Software\Classes\oemdrv\shell\open\command fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\oemdrv fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2968 fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe 2968 fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe 532 tsasys.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2968 fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 532 tsasys.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2968 wrote to memory of 532 2968 fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe 81 PID 2968 wrote to memory of 532 2968 fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe 81 PID 2968 wrote to memory of 532 2968 fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe"C:\Users\Admin\AppData\Local\Temp\fccf98555ca5f1c110163b2d07db2ecf86207b42551e3d31938ebd4e6ec5621c.exe"1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\ProgramData\Microsoft\CDRM\tsasys.exeC:\ProgramData\Microsoft\CDRM\tsasys.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:532
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
218KB
MD517f25933170a7646ee020e9c16cb3acf
SHA143d5a9cdf2f1324df608ad9fe4185a6e38a7bfce
SHA2568086e8a1d2fd1ef8cd486c1d4732778d262934c8143f03fe269b5d53a6c37dea
SHA5122b4d5a5ce89b984602831ad9b17675561da3fcbdf9e4faeb322962b772b3511d3e5f354c9598a1ae0ce4a8edfa0081b507b39fe0de965a080e089f708ba1a8ff
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Filesize
218KB
MD517f25933170a7646ee020e9c16cb3acf
SHA143d5a9cdf2f1324df608ad9fe4185a6e38a7bfce
SHA2568086e8a1d2fd1ef8cd486c1d4732778d262934c8143f03fe269b5d53a6c37dea
SHA5122b4d5a5ce89b984602831ad9b17675561da3fcbdf9e4faeb322962b772b3511d3e5f354c9598a1ae0ce4a8edfa0081b507b39fe0de965a080e089f708ba1a8ff