Analysis
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max time kernel
127s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2023 12:47
Static task
static1
Behavioral task
behavioral1
Sample
18f7d52e72db0e916ba28e107e66f61e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
18f7d52e72db0e916ba28e107e66f61e.exe
Resource
win10v2004-20231215-en
General
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Target
18f7d52e72db0e916ba28e107e66f61e.exe
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Size
55KB
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MD5
18f7d52e72db0e916ba28e107e66f61e
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SHA1
82d26ffbb00d79ee7a2e39dd837b633f52cacf2b
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SHA256
26963032aaa66aef29120d0f3453f17159dbd9d604af007a8d8b6fb6f683fec4
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SHA512
01508fc088bfc7765f149e0c4079ca972409cea0ea398538549484b05ed566340a788701f8319483d28f65a43ec374a7540347e4a76d208d0ff5cdbecada8733
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SSDEEP
768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/JeA6al6egZj3Ea:V3cpyORJLuB4P4AJJv4Romu/OvZjHZ
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 18f7d52e72db0e916ba28e107e66f61e.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation 18f7d52e72db0e916ba28e107e66f61e.exe -
Loads dropped DLL 1 IoCs
pid Process 1996 18f7d52e72db0e916ba28e107e66f61e.exe -
Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\ie15\Internat Explorer\Desktop.ini 18f7d52e72db0e916ba28e107e66f61e.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\ie15\Internat Explorer\Desktop.ini 18f7d52e72db0e916ba28e107e66f61e.exe File created C:\Program Files (x86)\Microsoft\ie15\Internat Explorer\target.lnk 18f7d52e72db0e916ba28e107e66f61e.exe File opened for modification C:\Program Files (x86)\Microsoft\ie15\Internat Explorer attrib.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.ogc\ = "ogcfile" 18f7d52e72db0e916ba28e107e66f61e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\DefaultIcon 18f7d52e72db0e916ba28e107e66f61e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile 18f7d52e72db0e916ba28e107e66f61e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ogc 18f7d52e72db0e916ba28e107e66f61e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\DefaultIcon\ = "%1" 18f7d52e72db0e916ba28e107e66f61e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open\command 18f7d52e72db0e916ba28e107e66f61e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell 18f7d52e72db0e916ba28e107e66f61e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open 18f7d52e72db0e916ba28e107e66f61e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\ie%S5\\%2Internat Explorer\"" 18f7d52e72db0e916ba28e107e66f61e.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1996 wrote to memory of 2516 1996 18f7d52e72db0e916ba28e107e66f61e.exe 90 PID 1996 wrote to memory of 2516 1996 18f7d52e72db0e916ba28e107e66f61e.exe 90 PID 1996 wrote to memory of 2516 1996 18f7d52e72db0e916ba28e107e66f61e.exe 90 PID 1996 wrote to memory of 4316 1996 18f7d52e72db0e916ba28e107e66f61e.exe 93 PID 1996 wrote to memory of 4316 1996 18f7d52e72db0e916ba28e107e66f61e.exe 93 PID 1996 wrote to memory of 4316 1996 18f7d52e72db0e916ba28e107e66f61e.exe 93 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2516 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\18f7d52e72db0e916ba28e107e66f61e.exe"C:\Users\Admin\AppData\Local\Temp\18f7d52e72db0e916ba28e107e66f61e.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Checks computer location settings
- Loads dropped DLL
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\attrib.exe"C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie15\Internat Explorer" +s2⤵
- Drops file in Program Files directory
- Views/modifies file attributes
PID:2516
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "2⤵PID:4316
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD500a0194c20ee912257df53bfe258ee4a
SHA1d7b4e319bc5119024690dc8230b9cc919b1b86b2
SHA256dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3
SHA5123b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667
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Filesize
186B
MD500d34d1487362aa8d5fcadd3941041c5
SHA1b65664d025c1006b93aa2ccec2d0d2426e7edff6
SHA256380f2ca322cd9d6318c9b6892c8d15f2641832866079c2be9fb8a5c42e23f3c9
SHA5122ef8ff35b914ad37c02635c230133f6c3b15c142a2422f9ffb3251ef6fca0ee0b089af8f4a202ef946e2892cbf1434e20e2b05eeaeef823d9397a7f8e2fcd2df