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Analysis
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max time kernel
140s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
30/04/2023, 06:24
Static task
static1
General
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Target
bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe
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Size
465KB
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MD5
d6791f5166582e12c4e6d535de8fa13a
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SHA1
defab712af598398776fb9af0853a6f079b36aab
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SHA256
bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32
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SHA512
3f84a0bdad169024e06b403a2770544b291da3f6bd0ca8f32f2f132b61b2c72c2e259bff6d2d88af1f9032a845882fdec6cfbf1caf9b4f34ce9e380304427f4b
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SSDEEP
6144:51t7+nxFWWm43jqB/obwcJuJ7pcj1GDKJHlEf7vTLPJfq:5b7qxFWWmsjqBgbwccJKHJmTvR
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__ 62912938728914817647.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\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 62912938728914817647.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 62912938728914817647.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe -
Executes dropped EXE 3 IoCs
pid Process 4820 62912938728914817647.exe 1280 63326625468334601134.exe 4152 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.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 behavioral1/files/0x000600000002314e-237.dat upx behavioral1/files/0x000600000002314e-239.dat upx behavioral1/files/0x000600000002314e-240.dat upx behavioral1/memory/1280-242-0x00000000007C0000-0x0000000001623000-memory.dmp upx behavioral1/memory/1280-243-0x00000000007C0000-0x0000000001623000-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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 62912938728914817647.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 62912938728914817647.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4820 62912938728914817647.exe 4152 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 5096 2000 WerFault.exe 83 -
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 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2016 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 46 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2000 wrote to memory of 4820 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 84 PID 2000 wrote to memory of 4820 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 84 PID 2000 wrote to memory of 1280 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 86 PID 2000 wrote to memory of 1280 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 86 PID 1280 wrote to memory of 1488 1280 63326625468334601134.exe 87 PID 1280 wrote to memory of 1488 1280 63326625468334601134.exe 87 PID 2000 wrote to memory of 4772 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 89 PID 2000 wrote to memory of 4772 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 89 PID 2000 wrote to memory of 4772 2000 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 89 PID 4772 wrote to memory of 2016 4772 cmd.exe 94 PID 4772 wrote to memory of 2016 4772 cmd.exe 94 PID 4772 wrote to memory of 2016 4772 cmd.exe 94 PID 1488 wrote to memory of 4484 1488 cmd.exe 93 PID 1488 wrote to memory of 4484 1488 cmd.exe 93 PID 4820 wrote to memory of 4152 4820 62912938728914817647.exe 97 PID 4820 wrote to memory of 4152 4820 62912938728914817647.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe"C:\Users\Admin\AppData\Local\Temp\bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\ProgramData\62912938728914817647.exe"C:\ProgramData\62912938728914817647.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:4820 -
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:4152
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C:\ProgramData\63326625468334601134.exe"C:\ProgramData\63326625468334601134.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\63326625468334601134.exe3⤵
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4484
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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\bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:2016
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 21562⤵
- Program crash
PID:5096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2000 -ip 20001⤵PID:436
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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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
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
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
741.5MB
MD53e8cf52a8828277c5e1e1541888a0741
SHA1f63be5373693776bf88d83a84ae5adb32373fd05
SHA25668e2421e94b1e3264ecfd6fa4b1d7c1e8c47246ad6381bda5856c783fa2ddf85
SHA51234ea5278e16d98a9433bd882911e316d8748545d977fd597dd0f7d6711328e7b17dca3910495c50fd28109e5a36a6fbd40046d3dda6b54001f917e15a5dda8e3
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Filesize
741.5MB
MD53e8cf52a8828277c5e1e1541888a0741
SHA1f63be5373693776bf88d83a84ae5adb32373fd05
SHA25668e2421e94b1e3264ecfd6fa4b1d7c1e8c47246ad6381bda5856c783fa2ddf85
SHA51234ea5278e16d98a9433bd882911e316d8748545d977fd597dd0f7d6711328e7b17dca3910495c50fd28109e5a36a6fbd40046d3dda6b54001f917e15a5dda8e3