Analysis
-
max time kernel
145s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
29/04/2023, 14:22
Static task
static1
General
-
Target
50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe
-
Size
472KB
-
MD5
15e19b901a7e3e5ca1ce0d457044d3f5
-
SHA1
892f96f31da586944533f88115f15111ef6b1916
-
SHA256
50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c
-
SHA512
0931c6211ec7a43895ca077c9f97ced9e72b8dc6fb8037bdbbc355365a18f3f0eaaf926317ac87d24c719a82515744811f613ed8ee18e302a991ad3267fc0b6a
-
SSDEEP
6144:vibCyT4CV8fc9kcPauFLrs6IXJ5M7lj6u7b1bfq/:vib3T4CGfECu6Do7lj6u7ZbY
Malware Config
Extracted
vidar
3.6
78489afd9d9a4747beb445e5fb5b9c96
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
-
profile_id_v2
78489afd9d9a4747beb445e5fb5b9c96
-
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
-
api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 41899742308657067127.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Downloads MZ/PE file
-
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 41899742308657067127.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 41899742308657067127.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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe -
Executes dropped EXE 3 IoCs
pid Process 3376 41899742308657067127.exe 4508 95958990521888581619.exe 4444 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral1/files/0x00020000000225e5-238.dat upx behavioral1/files/0x00020000000225e5-241.dat upx behavioral1/files/0x00020000000225e5-240.dat upx behavioral1/memory/4508-242-0x00000000005C0000-0x0000000001423000-memory.dmp upx behavioral1/memory/4508-245-0x00000000005C0000-0x0000000001423000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
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" 41899742308657067127.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 41899742308657067127.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3376 41899742308657067127.exe 4444 ntlhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
pid pid_target Process procid_target 2668 1828 WerFault.exe 85 -
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 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3992 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 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1828 wrote to memory of 3376 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe 92 PID 1828 wrote to memory of 3376 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe 92 PID 1828 wrote to memory of 4508 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe 94 PID 1828 wrote to memory of 4508 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe 94 PID 4508 wrote to memory of 2432 4508 95958990521888581619.exe 95 PID 4508 wrote to memory of 2432 4508 95958990521888581619.exe 95 PID 1828 wrote to memory of 1720 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe 97 PID 1828 wrote to memory of 1720 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe 97 PID 1828 wrote to memory of 1720 1828 50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe 97 PID 1720 wrote to memory of 3992 1720 cmd.exe 100 PID 1720 wrote to memory of 3992 1720 cmd.exe 100 PID 1720 wrote to memory of 3992 1720 cmd.exe 100 PID 2432 wrote to memory of 1876 2432 cmd.exe 101 PID 2432 wrote to memory of 1876 2432 cmd.exe 101 PID 3376 wrote to memory of 4444 3376 41899742308657067127.exe 104 PID 3376 wrote to memory of 4444 3376 41899742308657067127.exe 104
Processes
-
C:\Users\Admin\AppData\Local\Temp\50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe"C:\Users\Admin\AppData\Local\Temp\50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\ProgramData\41899742308657067127.exe"C:\ProgramData\41899742308657067127.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:3376 -
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:4444
-
-
-
C:\ProgramData\95958990521888581619.exe"C:\ProgramData\95958990521888581619.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\95958990521888581619.exe3⤵
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:1876
-
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\50bf0f51448ad0049d481fdfd74280dc9f9c2d695b43b813c870978b8bdf9f7c.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:3992
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 24042⤵
- Program crash
PID:2668
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1828 -ip 18281⤵PID:3156
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
-
Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
-
Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
-
Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
-
Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
-
Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
-
Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
Filesize
823.5MB
MD529fb6a814becceb1d7bc4fb0fc5d9d43
SHA1406af77e33624291147dbc4d942dd6fce6a586fb
SHA256b7cac249071e571af02d8672783a4b9b10122aa13b36bc31783902cff092b82c
SHA5129a0442900c8c4d2f8510b64dea169c11bde2b45ab99d5729dfce8150387a9ad0e78a521d829d7083f42a79277a7ad1d2262f7b8c3a5e33ba9f330b394bf492a4
-
Filesize
823.5MB
MD529fb6a814becceb1d7bc4fb0fc5d9d43
SHA1406af77e33624291147dbc4d942dd6fce6a586fb
SHA256b7cac249071e571af02d8672783a4b9b10122aa13b36bc31783902cff092b82c
SHA5129a0442900c8c4d2f8510b64dea169c11bde2b45ab99d5729dfce8150387a9ad0e78a521d829d7083f42a79277a7ad1d2262f7b8c3a5e33ba9f330b394bf492a4