Analysis
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max time kernel
150s -
max time network
140s -
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 22:44
Static task
static1
Behavioral task
behavioral1
Sample
1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe
Resource
win7-20230220-en
General
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Target
1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe
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Size
408KB
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MD5
bb45c1ebd56e6fedab9427d43dfd0aa5
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SHA1
d38be92272a5662f74590b72008779cb30b3a266
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SHA256
1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06
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SHA512
5de1cdde2283840455be16f83aa195d8eff1af9b53bc0503f9af3debe196f5b26b702ecbbe0c0fdee4feff2c5d68796bead4702289df1b930b4521e4a1e1cfa6
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SSDEEP
6144:7tylPCvzEnK/u4jCIhXyYVQRX11aQVNJ8z6NAhoglN6edNo3J1:pylPCvfyYVaXjPDKzQJkdNo
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__ 82903342897504569997.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 82903342897504569997.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 82903342897504569997.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 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe -
Executes dropped EXE 3 IoCs
pid Process 4164 82903342897504569997.exe 2700 80741573141278844160.exe 4232 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.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/0x000200000001e817-245.dat upx behavioral2/files/0x000200000001e817-249.dat upx behavioral2/files/0x000200000001e817-248.dat upx behavioral2/memory/2700-251-0x0000000000420000-0x0000000001283000-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" 82903342897504569997.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 82903342897504569997.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4164 82903342897504569997.exe 4232 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 2904 4156 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 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4220 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 65 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4156 wrote to memory of 4164 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe 87 PID 4156 wrote to memory of 4164 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe 87 PID 4156 wrote to memory of 2700 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe 89 PID 4156 wrote to memory of 2700 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe 89 PID 2700 wrote to memory of 3552 2700 80741573141278844160.exe 90 PID 2700 wrote to memory of 3552 2700 80741573141278844160.exe 90 PID 3552 wrote to memory of 4800 3552 cmd.exe 92 PID 3552 wrote to memory of 4800 3552 cmd.exe 92 PID 4156 wrote to memory of 4732 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe 93 PID 4156 wrote to memory of 4732 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe 93 PID 4156 wrote to memory of 4732 4156 1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe 93 PID 4732 wrote to memory of 4220 4732 cmd.exe 96 PID 4732 wrote to memory of 4220 4732 cmd.exe 96 PID 4732 wrote to memory of 4220 4732 cmd.exe 96 PID 4164 wrote to memory of 4232 4164 82903342897504569997.exe 101 PID 4164 wrote to memory of 4232 4164 82903342897504569997.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe"C:\Users\Admin\AppData\Local\Temp\1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\ProgramData\82903342897504569997.exe"C:\ProgramData\82903342897504569997.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:4164 -
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:4232
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C:\ProgramData\80741573141278844160.exe"C:\ProgramData\80741573141278844160.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\80741573141278844160.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4800
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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\1004c6317f143049116b000a3eadeebce5d4f9d027e639873e8d06b32254ec06.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 21842⤵
- Program crash
PID:2904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4156 -ip 41561⤵PID:3720
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
802.2MB
MD55c9bf1d04baab409a32844d5819619cb
SHA1f78c6ed3d63d3938bf0e11ed90c32d2e113aef60
SHA2567263deaa84cf6f605ebc7e769407e0b642e9698032131c768b712bfd8669971e
SHA51232cf8d8f2ce6f4023c2f1e3466bc09f66277a61f4754b83286eb220aef84a36b5a0fc6695a09da23bf66ad57c443b4cbfabd339a7a66891cfe530ae2640c103c
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Filesize
741.2MB
MD5888d49a3953f4e0468eb1d40bd89692b
SHA14fc031bc0251d956db1e982723273c4041799e7e
SHA256f8fb03935ef68efb23f37d1b841d1ffb2739f0ed85f971f37dc115726f71f228
SHA512013cfe21fbe146212ca5828818c0940a9d8cb96eb95d1bc1efac2bfea667891daf7f725efbb2d76b3b9c7150e1dde2fd7e3157ae8a707554b3df5b71a21c263e