Analysis
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max time kernel
147s -
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
30-04-2023 23:47
Static task
static1
Behavioral task
behavioral1
Sample
45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe
Resource
win7-20230220-en
General
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Target
45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe
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Size
429KB
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MD5
de22088d32dab5b8478e4712c4382797
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SHA1
575d7e63a4c0f0354b9f9b439c4d14b757dd1009
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SHA256
45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf
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SHA512
449feac9afa449d3db2df24eac0d99eef4a0625ad2b8230c4effa3d90d74ab5cffa846366b23ffe82f65a4621dc184e3973d7a8b540bb95ef0bb20a86053f949
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SSDEEP
12288:TVIhKLd+7W2QIlSLby0YL2rMsY9OBGCI:RIhKLsq2XSPy/6gFy
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__ 85949231234678540920.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\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 85949231234678540920.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 85949231234678540920.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 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 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe -
Executes dropped EXE 3 IoCs
pid Process 4552 85949231234678540920.exe 3352 20751935610849857359.exe 5016 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.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/0x000400000001f5cd-248.dat upx behavioral2/files/0x000400000001f5cd-253.dat upx behavioral2/files/0x000400000001f5cd-252.dat upx behavioral2/memory/3352-255-0x00000000001B0000-0x0000000001013000-memory.dmp upx behavioral2/memory/3352-256-0x00000000001B0000-0x0000000001013000-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" 85949231234678540920.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 85949231234678540920.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4552 85949231234678540920.exe 5016 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 2508 1156 WerFault.exe 84 -
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 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4940 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 4 IoCs
pid Process 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1156 wrote to memory of 4552 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 90 PID 1156 wrote to memory of 4552 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 90 PID 1156 wrote to memory of 3352 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 94 PID 1156 wrote to memory of 3352 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 94 PID 3352 wrote to memory of 3112 3352 20751935610849857359.exe 96 PID 3352 wrote to memory of 3112 3352 20751935610849857359.exe 96 PID 3112 wrote to memory of 4108 3112 cmd.exe 97 PID 3112 wrote to memory of 4108 3112 cmd.exe 97 PID 1156 wrote to memory of 952 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 98 PID 1156 wrote to memory of 952 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 98 PID 1156 wrote to memory of 952 1156 45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe 98 PID 4552 wrote to memory of 5016 4552 85949231234678540920.exe 103 PID 4552 wrote to memory of 5016 4552 85949231234678540920.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe"C:\Users\Admin\AppData\Local\Temp\45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\ProgramData\85949231234678540920.exe"C:\ProgramData\85949231234678540920.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:4552 -
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:5016
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C:\ProgramData\20751935610849857359.exe"C:\ProgramData\20751935610849857359.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3352 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\20751935610849857359.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3112 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4108
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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\45e60d534bea9a3857d5f64f010f789986ffb6a7c4d75fe5ebb103a0227f24bf.exe" & exit2⤵PID:952
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C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 18042⤵
- Program crash
PID:2508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1156 -ip 11561⤵PID:4560
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
486.5MB
MD5a49e1f6dc030cc1a3afc47e4fdab86aa
SHA1b3178ee084c4ca35b3d04ebac1785676d004509e
SHA256e01da52a3a9e082fdd9ebce8fcd9a5a3b5403093ba70c4472d988fc50192ad43
SHA5129545d4f14a5b2e42bcc0594694b332c8fba782bf8dcbbfbdb63c8e581581a73ad36a235acb671fb6581278b5e35b0e58749071e4c4518388c008cf79d40baba9
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Filesize
483.2MB
MD5cb885a39883d8cd1af9e7957de287cfa
SHA11fd153fcd74c4a4957fb3d580a2a55630b104983
SHA256f577cae87e03347b7c0c1fee4dd4cf8f4e9965f2b6a452366e860b7ac62edec5
SHA512dbc00bd74af8ae1a68ea108a11d794d06f783390eb92a36fc3e9f68d705578084ff3e126a74dd9823517d1ca82ebe03f6336b755f27e9574807c23cdc36223da