Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
30-04-2023 16:51
Static task
static1
General
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Target
8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe
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Size
392KB
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MD5
56688208b26999eedfe6352afcb8a27a
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SHA1
a53daa0cab5dc51251e9bdbe2f0d16907b073011
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SHA256
8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b
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SHA512
7d69ac13f7b2011d321a323726037464a428c9339c35f1c5c8c31950016241527d767c1a6c1ca6cf0e64f01a64e095cefc9d24db80ea667a7045c51570de9706
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SSDEEP
6144:YpJQVf5xa0k4Px6n7Ntj2gGLmSmi4Q+OZ8v2OtUtQqOlM:YpqB5xG4Pxk7NtSgGLv4Q+0uwQNlM
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__ 78534182829637861604.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 78534182829637861604.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 78534182829637861604.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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe -
Executes dropped EXE 3 IoCs
pid Process 4856 78534182829637861604.exe 388 24319667561894079116.exe 2372 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.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/0x000400000002256b-243.dat upx behavioral1/files/0x000400000002256b-246.dat upx behavioral1/files/0x000400000002256b-245.dat upx behavioral1/memory/388-249-0x0000000000A90000-0x00000000018F3000-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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 78534182829637861604.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 78534182829637861604.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4856 78534182829637861604.exe 2372 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 2136 3980 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1800 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 40 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3980 wrote to memory of 4856 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe 90 PID 3980 wrote to memory of 4856 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe 90 PID 3980 wrote to memory of 388 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe 92 PID 3980 wrote to memory of 388 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe 92 PID 388 wrote to memory of 3332 388 24319667561894079116.exe 93 PID 388 wrote to memory of 3332 388 24319667561894079116.exe 93 PID 3332 wrote to memory of 3500 3332 cmd.exe 95 PID 3332 wrote to memory of 3500 3332 cmd.exe 95 PID 3980 wrote to memory of 432 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe 96 PID 3980 wrote to memory of 432 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe 96 PID 3980 wrote to memory of 432 3980 8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe 96 PID 432 wrote to memory of 1800 432 cmd.exe 99 PID 432 wrote to memory of 1800 432 cmd.exe 99 PID 432 wrote to memory of 1800 432 cmd.exe 99 PID 4856 wrote to memory of 2372 4856 78534182829637861604.exe 102 PID 4856 wrote to memory of 2372 4856 78534182829637861604.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe"C:\Users\Admin\AppData\Local\Temp\8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3980 -
C:\ProgramData\78534182829637861604.exe"C:\ProgramData\78534182829637861604.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:4856 -
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:2372
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C:\ProgramData\24319667561894079116.exe"C:\ProgramData\24319667561894079116.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:388 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\24319667561894079116.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3500
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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\8a746fcbbcf30646428d8c471f3cbc90ed2bc6a210544c55dc6bac4439eece5b.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1800
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 22362⤵
- Program crash
PID:2136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3980 -ip 39801⤵PID:2192
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
728.5MB
MD5a159b52b850512913196e94cf055b284
SHA10cf827628ddb8d74991d29cf02fd47b5425939b5
SHA25647f01a0e7c07d930b0877be0fff777c4a191ffa2050e438c460a315e64787220
SHA51287138ece8e7980f9915f209476fbb5bfa02db2e108778b481d8b1c12c79a78bb5a79460ca16b7baa50509eea1518631c8fa284fbd4144d2d8b369401d2f15279
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Filesize
728.5MB
MD5a159b52b850512913196e94cf055b284
SHA10cf827628ddb8d74991d29cf02fd47b5425939b5
SHA25647f01a0e7c07d930b0877be0fff777c4a191ffa2050e438c460a315e64787220
SHA51287138ece8e7980f9915f209476fbb5bfa02db2e108778b481d8b1c12c79a78bb5a79460ca16b7baa50509eea1518631c8fa284fbd4144d2d8b369401d2f15279