Analysis
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max time kernel
160s -
max time network
176s -
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 23:43
Static task
static1
Behavioral task
behavioral1
Sample
40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe
Resource
win7-20230220-en
General
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Target
40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe
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Size
453KB
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MD5
ca282495bbfb1340aa4497216e087597
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SHA1
cad3b85d6131f6f7db3c9bcafbf6308caf257a6b
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SHA256
40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065
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SHA512
8d2691067fb824a09826302f60ca7ae922b245331fd61f177174af3be493e3c420ac1a28db3e28ede9a54cb8508e8a715e8dd85a09c564ef719226f72b5368a0
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SSDEEP
6144:k8w28Ue7xMslcC1wJgOpneVyklkJ8zSI2jT+NVqEvJkKwv4jCRkA:RwzLxMslcCmJBpeV1lW8zGGevvxv
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__ 88905810485490890141.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 88905810485490890141.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 88905810485490890141.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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe -
Executes dropped EXE 3 IoCs
pid Process 4384 88905810485490890141.exe 4528 90350302049999253626.exe 396 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.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/0x0002000000022c97-249.dat upx behavioral2/files/0x0002000000022c97-248.dat upx behavioral2/files/0x0002000000022c97-246.dat upx behavioral2/memory/4528-250-0x0000000000380000-0x00000000011E3000-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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 88905810485490890141.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 88905810485490890141.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4384 88905810485490890141.exe 396 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 2400 1328 WerFault.exe 81 -
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 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3776 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 58 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1328 wrote to memory of 4384 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe 89 PID 1328 wrote to memory of 4384 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe 89 PID 1328 wrote to memory of 4528 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe 91 PID 1328 wrote to memory of 4528 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe 91 PID 4528 wrote to memory of 2472 4528 90350302049999253626.exe 93 PID 4528 wrote to memory of 2472 4528 90350302049999253626.exe 93 PID 2472 wrote to memory of 3432 2472 cmd.exe 95 PID 2472 wrote to memory of 3432 2472 cmd.exe 95 PID 1328 wrote to memory of 4132 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe 94 PID 1328 wrote to memory of 4132 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe 94 PID 1328 wrote to memory of 4132 1328 40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe 94 PID 4132 wrote to memory of 3776 4132 cmd.exe 98 PID 4132 wrote to memory of 3776 4132 cmd.exe 98 PID 4132 wrote to memory of 3776 4132 cmd.exe 98 PID 4384 wrote to memory of 396 4384 88905810485490890141.exe 100 PID 4384 wrote to memory of 396 4384 88905810485490890141.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe"C:\Users\Admin\AppData\Local\Temp\40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\ProgramData\88905810485490890141.exe"C:\ProgramData\88905810485490890141.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:4384 -
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:396
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C:\ProgramData\90350302049999253626.exe"C:\ProgramData\90350302049999253626.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\90350302049999253626.exe3⤵
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3432
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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\40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:3776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 23282⤵
- Program crash
PID:2400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1328 -ip 13281⤵PID:1684
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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
317.9MB
MD586174d02dbac9a820d55c4fb4f6e97f3
SHA123d4369876fb6adda1939256d3c54884edfcd6aa
SHA256a998841b6842a81d4145bf44cbd403e90c3fc85a9572b282ae211aee91ef9fac
SHA5126eeb118552684db39ec9e487b1e4cdd3ab1ce41ad501d80306ee9d133b2519e52cd3c554ef903ee6d2c884f38e8bd9aef0fbb4c4acbf3745baea58ea570f41db
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Filesize
315.4MB
MD51edca0833ecb8734a1e99f7bae29deb9
SHA1dce6d264162e7b0a09fd4db57b12242a7c85c862
SHA256590b94a18e8ec8e92d29867089346d85e1a0264e540bec37b52858454a3909a7
SHA512926419023545cd539e46dde3eae5af8df97b3d19bbbd17e951b01db624a24c2a2e34331f96fd1c7db012341313eb4b40f737e5ea7d6e1bdfdd24cab0bc10947a