Analysis
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max time kernel
291s -
max time network
289s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
02-08-2023 02:36
Static task
static1
Behavioral task
behavioral1
Sample
soft.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
soft.exe
Resource
win10v2004-20230703-en
General
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Target
soft.exe
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Size
4.2MB
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MD5
da89628d89735a5320da0513608b2fd4
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SHA1
44b8b35ff51a2e1c7a67c03b243ca467b21b3bb4
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SHA256
d398d687d76426465501c32c830c6c3298d471bab4223bc6f9ac7d4b30ae558b
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SHA512
9dbe9849c77262227a5a75348a164e6246a8d52a2e65907ef9681687d119a59b40dfd6f8f5b8fcf0f77509a11a7fb8f54b6990814c1958a5e28607e6c896540a
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SSDEEP
98304:JQCHegVO9xselnvc9DzG7xxBFKyfmtKNP0R2h7b2:JjHhIxjvc9cxrKHtyc4b2
Malware Config
Extracted
laplas
http://45.159.189.33
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api_key
d1a05de376c0be1daa56dfb2715c8a0c5df8a111b8b31decc886df1e48db7c9c
Signatures
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Executes dropped EXE 1 IoCs
pid Process 648 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" soft.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{69A0D8CD-CB4A-4A58-B189-9354164D5F96}.catalogItem svchost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4880 soft.exe 648 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 17 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4880 wrote to memory of 648 4880 soft.exe 85 PID 4880 wrote to memory of 648 4880 soft.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\soft.exe"C:\Users\Admin\AppData\Local\Temp\soft.exe"1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:648
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
PID:2328
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
806.2MB
MD5c25696ba7f45dbf195ab437b60396bc6
SHA1f2b1717af9785ca3e31e131cf4708649450f4029
SHA25624df2e976003eb965529f5df04df30b37df045028f03c5a09a954196aeb6a447
SHA51294be4b3fe4f9fd2099c45cde14c9bbe5935438d6ae77b9d13a37ff98cae45c9b19fa04a01390f18734e00ea8d539e13f456215ef804165ec829a53fea8cbcc07
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Filesize
806.2MB
MD5c25696ba7f45dbf195ab437b60396bc6
SHA1f2b1717af9785ca3e31e131cf4708649450f4029
SHA25624df2e976003eb965529f5df04df30b37df045028f03c5a09a954196aeb6a447
SHA51294be4b3fe4f9fd2099c45cde14c9bbe5935438d6ae77b9d13a37ff98cae45c9b19fa04a01390f18734e00ea8d539e13f456215ef804165ec829a53fea8cbcc07