Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01-05-2023 00:22
Static task
static1
Behavioral task
behavioral1
Sample
6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe
Resource
win7-20230220-en
General
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Target
6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe
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Size
468KB
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MD5
a7df168b4f841adafef02c7296cfc77b
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SHA1
5dd74cfcaba6e1c501a23d853aff34972314d39d
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SHA256
6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf
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SHA512
d3d2fe0bace59a7434aa53bbc0de107af84e87b81138e652c50d0397e04ddc5af8502096de31f77d750b814d692ee1b363285192ca821f3e9b8f02afa6df6b33
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SSDEEP
6144:5aT6oMIqsiXLlykCztxOKgUtB8J3WPXcIFLaVABBDC7nm4HaOCfq1n:5aTRMIqF4nzO5GB8JmDsABw7nbA
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__ 65572397255919099038.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 65572397255919099038.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 65572397255919099038.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 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe -
Executes dropped EXE 3 IoCs
pid Process 452 65572397255919099038.exe 4736 80186919772348217467.exe 5052 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.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/0x000400000001f19e-249.dat upx behavioral2/files/0x000400000001f19e-251.dat upx behavioral2/files/0x000400000001f19e-252.dat upx behavioral2/memory/4736-255-0x0000000000E20000-0x0000000001C83000-memory.dmp upx behavioral2/memory/4736-256-0x0000000000E20000-0x0000000001C83000-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" 65572397255919099038.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 65572397255919099038.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 452 65572397255919099038.exe 5052 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 1632 4112 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 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1204 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 111 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4112 wrote to memory of 452 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe 88 PID 4112 wrote to memory of 452 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe 88 PID 4112 wrote to memory of 4736 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe 93 PID 4112 wrote to memory of 4736 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe 93 PID 4736 wrote to memory of 3120 4736 80186919772348217467.exe 94 PID 4736 wrote to memory of 3120 4736 80186919772348217467.exe 94 PID 4112 wrote to memory of 4632 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe 96 PID 4112 wrote to memory of 4632 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe 96 PID 4112 wrote to memory of 4632 4112 6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe 96 PID 3120 wrote to memory of 2364 3120 cmd.exe 97 PID 3120 wrote to memory of 2364 3120 cmd.exe 97 PID 4632 wrote to memory of 1204 4632 cmd.exe 100 PID 4632 wrote to memory of 1204 4632 cmd.exe 100 PID 4632 wrote to memory of 1204 4632 cmd.exe 100 PID 452 wrote to memory of 5052 452 65572397255919099038.exe 103 PID 452 wrote to memory of 5052 452 65572397255919099038.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe"C:\Users\Admin\AppData\Local\Temp\6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\ProgramData\65572397255919099038.exe"C:\ProgramData\65572397255919099038.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:452 -
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:5052
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C:\ProgramData\80186919772348217467.exe"C:\ProgramData\80186919772348217467.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\80186919772348217467.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:2364
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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\6e2c36cdf8d7d5e1c3dec1c93a19de4f7cf741041b2c49a94540cf95a3ca4cbf.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 21322⤵
- Program crash
PID:1632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4112 -ip 41121⤵PID:4352
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
598.4MB
MD5208b30995fd93bad3129fdf271249357
SHA12ee55daf03cf1ff580b1cb0d1a029d277f578c0c
SHA25609c4ddfef71812efb1c9f06f496171715c64f2bd359d727f5d1fe33b46a4cb7a
SHA512c9695832dbfde8e990096478d25850ad2897fd29325ef6d6914d15beaada1899cf3404f0179a106bbfde9e24b359b19a1b656d7f0b58ab333a01eb4468534d79
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Filesize
617.5MB
MD57e08a36dddd15fe3956d3f03200f9c17
SHA1c7d45ba7f477f35385c4fd829d4d22699a412a5c
SHA25683dc7f735461a8d8e7be1c94041b2811643bf541824d4db9a8c282e8858c124b
SHA512d15cebc04d5c4c49af7c51b5ef016f75f85b2b48c70934b8043f025271a46253fb85b5ede422acc3643ed848e0d170d9ada4b6be9c9b6729ad5cdbd215e797cd