Analysis
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max time kernel
141s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2023 21:20
Static task
static1
General
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Target
8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe
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Size
408KB
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MD5
4726bc12f1f89286ece61c8e30051ff1
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SHA1
11d07a251e4918495e62c8ad3cd55d36c156487b
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SHA256
8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e
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SHA512
40fdb9376041985641946176ed1b333558fac9054cb44cfcad6d489016c774a494840361e03d055073199768a4e371981ee72d1fe14edc66c2b25f58785f5950
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SSDEEP
6144:Bi7V36DamDkDc7qqBQzSDGjfeuN6IdN0le71:Ux6WmDkD5q+SD4FdN0le
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__ 40464028009120023332.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 40464028009120023332.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 40464028009120023332.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 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe -
Executes dropped EXE 3 IoCs
pid Process 2292 40464028009120023332.exe 1708 54626493259967003382.exe 404 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.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/0x000200000001f747-237.dat upx behavioral1/files/0x000200000001f747-239.dat upx behavioral1/files/0x000200000001f747-240.dat upx behavioral1/memory/1708-241-0x0000000000910000-0x0000000001773000-memory.dmp upx behavioral1/memory/1708-242-0x0000000000910000-0x0000000001773000-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" 40464028009120023332.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 40464028009120023332.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2292 40464028009120023332.exe 404 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 2240 2628 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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1364 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 63 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2628 wrote to memory of 2292 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe 91 PID 2628 wrote to memory of 2292 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe 91 PID 2628 wrote to memory of 1708 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe 93 PID 2628 wrote to memory of 1708 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe 93 PID 1708 wrote to memory of 4036 1708 54626493259967003382.exe 94 PID 1708 wrote to memory of 4036 1708 54626493259967003382.exe 94 PID 2628 wrote to memory of 1624 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe 96 PID 2628 wrote to memory of 1624 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe 96 PID 2628 wrote to memory of 1624 2628 8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe 96 PID 4036 wrote to memory of 1128 4036 cmd.exe 100 PID 4036 wrote to memory of 1128 4036 cmd.exe 100 PID 1624 wrote to memory of 1364 1624 cmd.exe 101 PID 1624 wrote to memory of 1364 1624 cmd.exe 101 PID 1624 wrote to memory of 1364 1624 cmd.exe 101 PID 2292 wrote to memory of 404 2292 40464028009120023332.exe 103 PID 2292 wrote to memory of 404 2292 40464028009120023332.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe"C:\Users\Admin\AppData\Local\Temp\8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\ProgramData\40464028009120023332.exe"C:\ProgramData\40464028009120023332.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:2292 -
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:404
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C:\ProgramData\54626493259967003382.exe"C:\ProgramData\54626493259967003382.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\54626493259967003382.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:1128
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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\8d32f8e72ade9c1c70034a28108eca2b4c472f6d4a948ea0c29f6ffbf50f558e.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 20562⤵
- Program crash
PID:2240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2628 -ip 26281⤵PID:1836
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
802.5MB
MD5777979bcfca6a36e86aa2194daa91813
SHA1591bec17f06b984f05f7fb39daaf63f0e169d0e8
SHA2563dcfc4bc17487ee397ea0b3aae591f843b812b8d3ac06757404f3979c41f2039
SHA51285b48a9e8a27981a16a561be1ecf6f09684ebcb418499d4533426c9c806f40066b0cbff4be515d678b409cf671ef430e1991861e9fe8afc4f4122914c221bc42
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Filesize
802.5MB
MD5777979bcfca6a36e86aa2194daa91813
SHA1591bec17f06b984f05f7fb39daaf63f0e169d0e8
SHA2563dcfc4bc17487ee397ea0b3aae591f843b812b8d3ac06757404f3979c41f2039
SHA51285b48a9e8a27981a16a561be1ecf6f09684ebcb418499d4533426c9c806f40066b0cbff4be515d678b409cf671ef430e1991861e9fe8afc4f4122914c221bc42