Analysis
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max time kernel
152s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01-05-2023 00:01
Static task
static1
Behavioral task
behavioral1
Sample
565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe
Resource
win7-20230220-en
General
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Target
565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe
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Size
466KB
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MD5
20398ae9923342ec1f6537dd0aca4f71
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SHA1
6a8068ddb807b062fb7ee31e422fef249a533330
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SHA256
565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e
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SHA512
8076d1a1a4e357b19147fff3639d92318aae2a9409f9d97ed6c50d6ce8743f40085e75cb88764786406f96094a3119ac86040321eb869ebb11bca2f284f7a731
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SSDEEP
6144:WpKljT+ZGmeJNWU8xC8yoYLVaBNiPZ93kqfuNrY4ZIinHriO6nJMfqN:WpK9T+ZGmkN38YLVorqfutY5uLNa
Malware Config
Extracted
vidar
3.6
78489afd9d9a4747beb445e5fb5b9c96
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
78489afd9d9a4747beb445e5fb5b9c96
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Extracted
laplas
http://89.23.97.128
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api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 18603100387835904953.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 18603100387835904953.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 18603100387835904953.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe -
Executes dropped EXE 3 IoCs
pid Process 2624 18603100387835904953.exe 4440 00548290475196904918.exe 4364 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral2/files/0x0006000000023161-241.dat upx behavioral2/files/0x0006000000023161-243.dat upx behavioral2/files/0x0006000000023161-244.dat upx behavioral2/memory/4440-245-0x0000000000950000-0x00000000017B3000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 18603100387835904953.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 18603100387835904953.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2624 18603100387835904953.exe 4364 ntlhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 944 1512 WerFault.exe 82 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4348 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 49 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1512 wrote to memory of 2624 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe 84 PID 1512 wrote to memory of 2624 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe 84 PID 1512 wrote to memory of 4440 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe 88 PID 1512 wrote to memory of 4440 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe 88 PID 4440 wrote to memory of 3432 4440 00548290475196904918.exe 89 PID 4440 wrote to memory of 3432 4440 00548290475196904918.exe 89 PID 3432 wrote to memory of 4404 3432 cmd.exe 91 PID 3432 wrote to memory of 4404 3432 cmd.exe 91 PID 1512 wrote to memory of 2188 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe 93 PID 1512 wrote to memory of 2188 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe 93 PID 1512 wrote to memory of 2188 1512 565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe 93 PID 2188 wrote to memory of 4348 2188 cmd.exe 97 PID 2188 wrote to memory of 4348 2188 cmd.exe 97 PID 2188 wrote to memory of 4348 2188 cmd.exe 97 PID 2624 wrote to memory of 4364 2624 18603100387835904953.exe 94 PID 2624 wrote to memory of 4364 2624 18603100387835904953.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe"C:\Users\Admin\AppData\Local\Temp\565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\ProgramData\18603100387835904953.exe"C:\ProgramData\18603100387835904953.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4364
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C:\ProgramData\00548290475196904918.exe"C:\ProgramData\00548290475196904918.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\00548290475196904918.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4404
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\565e5282057af118330e72807c970accb3ce25777c9c576eedadc14875c4342e.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 24442⤵
- Program crash
PID:944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1512 -ip 15121⤵PID:3588
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
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Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
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Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
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Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
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Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
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Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
58.0MB
MD58131ae773a1c9704f1c15218fa5cacb3
SHA1b180df1d4a3a5a0973e74daec7a93e122c4b9852
SHA25603128cf1074f62e726e65d65a2342f32a54b21d479e8e0508693c0131097bef4
SHA5123baea4b89fdcea135dba79eabe524388ecc7c580b5f81bd036450c2ac0b74847f1db090ec4074cfa6e128343438bc69efd0374eff494e29bc084e5e8c14c5be2
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Filesize
60.3MB
MD5b258d6c751103c49a5f0ad1f7fc023d9
SHA1d5ef66b31e8e28226a01b54cddcaf95b27dfd89a
SHA256e9e69a10db0785b3ae929eb39bdf3ad01dfe65002ad58071acb11d0a0e9c26d4
SHA512ac757a33726586c422e2e1364361f4f7f55f1c39f8ab32ce908a806876cb830094c9839340c21c5c1908b0bec124eb230e08c768f999d2231a47d8351e82cfaa