Analysis
-
max time kernel
157s -
max time network
166s -
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, 21:55
Static task
static1
Behavioral task
behavioral1
Sample
bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe
Resource
win7-20230220-en
General
-
Target
bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe
-
Size
465KB
-
MD5
d6791f5166582e12c4e6d535de8fa13a
-
SHA1
defab712af598398776fb9af0853a6f079b36aab
-
SHA256
bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32
-
SHA512
3f84a0bdad169024e06b403a2770544b291da3f6bd0ca8f32f2f132b61b2c72c2e259bff6d2d88af1f9032a845882fdec6cfbf1caf9b4f34ce9e380304427f4b
-
SSDEEP
6144:51t7+nxFWWm43jqB/obwcJuJ7pcj1GDKJHlEf7vTLPJfq:5b7qxFWWmsjqBgbwccJKHJmTvR
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__ 10745105408566684395.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 10745105408566684395.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 10745105408566684395.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 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe -
Executes dropped EXE 3 IoCs
pid Process 384 10745105408566684395.exe 2368 ntlhost.exe 2396 80531129293318516079.exe -
Loads dropped DLL 2 IoCs
pid Process 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.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 behavioral2/files/0x0002000000022c97-267.dat upx behavioral2/files/0x0002000000022c97-270.dat upx behavioral2/files/0x0002000000022c97-271.dat upx behavioral2/memory/2396-272-0x0000000000070000-0x0000000000ED3000-memory.dmp upx behavioral2/memory/2396-273-0x0000000000070000-0x0000000000ED3000-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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 10745105408566684395.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 10745105408566684395.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 384 10745105408566684395.exe 2368 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 1896 4512 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 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4108 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 62 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4512 wrote to memory of 384 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 90 PID 4512 wrote to memory of 384 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 90 PID 384 wrote to memory of 2368 384 10745105408566684395.exe 92 PID 384 wrote to memory of 2368 384 10745105408566684395.exe 92 PID 4512 wrote to memory of 2396 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 93 PID 4512 wrote to memory of 2396 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 93 PID 2396 wrote to memory of 2540 2396 80531129293318516079.exe 94 PID 2396 wrote to memory of 2540 2396 80531129293318516079.exe 94 PID 4512 wrote to memory of 1072 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 96 PID 4512 wrote to memory of 1072 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 96 PID 4512 wrote to memory of 1072 4512 bc929e2f5df5f8c123524a3d423a7ac3463e952e92a0fb24e293d415ffab7f32.exe 96 PID 2540 wrote to memory of 3788 2540 cmd.exe 98 PID 2540 wrote to memory of 3788 2540 cmd.exe 98 PID 1072 wrote to memory of 4108 1072 cmd.exe 100 PID 1072 wrote to memory of 4108 1072 cmd.exe 100 PID 1072 wrote to memory of 4108 1072 cmd.exe 100
Processes
-
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:4512 -
C:\ProgramData\10745105408566684395.exe"C:\ProgramData\10745105408566684395.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:384 -
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:2368
-
-
-
C:\ProgramData\80531129293318516079.exe"C:\ProgramData\80531129293318516079.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\80531129293318516079.exe3⤵
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3788
-
-
-
-
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:1072 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4108
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 20442⤵
- Program crash
PID:1896
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4512 -ip 45121⤵PID:1088
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
652.6MB
MD5d85ff994477430994c653898bccbdf4d
SHA12161452cd53b85cdf7bdefa0cd2917af3c513fad
SHA2566c4ef7ac5e3e085f2febd026002590d89331ba5969b30b50828c9787a6fec2be
SHA51245e8b1f22b4d4a84bd182f7ca6cc6a80e5db5b67a7e2954ff587671e093795596fcaec45dfd1f4cdb764d76278f9d5e52510c7f57f124d850728cc9170b673e9
-
Filesize
649.3MB
MD50720233d8e8f45e93a1ed8eb2f1f6e0f
SHA1d686345d69f33dc0541c6d0d029edaa8a24a42b7
SHA2560cc5600e2104cdceef4e5cc733feded9e233e9f7952cfed34d973b05923a1bd9
SHA512d122e65f22768a1103e3bc29af55ff9ed5c2cc4a3d2c5c4e4e1a039b487900f7720c386a28b433fabf19204330bc2950c95177b5fad01c37a03aadbb56af6b9a