Analysis
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max time kernel
143s -
max time network
156s -
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 00:20
Static task
static1
Behavioral task
behavioral1
Sample
6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe
Resource
win7-20230220-en
General
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Target
6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe
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Size
465KB
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MD5
1454290304713cfb471fe3b7e01c1f10
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SHA1
f1167a142963ae839c24ab5edb66831f62382447
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SHA256
6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8
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SHA512
a03375d47888b7a3f7e127980eb136920e3c74d82a058faa51300411742038436551e042c646238bda6a2eeb447a7955f0583cbe9c14a0fa01f9538f51e03e43
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SSDEEP
6144:y1HTVwRMT8ZTTb2X8SGZBcxq0LCnMbkDHy5rCIV8GsFGZkkVwLfqM:y1TaRMT8ZP6XtOQbLTbnrCI2r0CLr
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__ 34699107157525397041.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 34699107157525397041.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 34699107157525397041.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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe -
Executes dropped EXE 3 IoCs
pid Process 2888 34699107157525397041.exe 3496 12257617526621934665.exe 5032 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.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/0x000300000001e7f1-251.dat upx behavioral2/files/0x000300000001e7f1-253.dat upx behavioral2/files/0x000300000001e7f1-254.dat upx behavioral2/memory/3496-255-0x0000000000F30000-0x0000000001D93000-memory.dmp upx behavioral2/memory/3496-256-0x0000000000F30000-0x0000000001D93000-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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 34699107157525397041.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 34699107157525397041.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2888 34699107157525397041.exe 5032 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 1812 928 WerFault.exe 81 -
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 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4000 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 64 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 928 wrote to memory of 2888 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe 83 PID 928 wrote to memory of 2888 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe 83 PID 928 wrote to memory of 3496 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe 85 PID 928 wrote to memory of 3496 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe 85 PID 928 wrote to memory of 3792 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe 86 PID 928 wrote to memory of 3792 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe 86 PID 928 wrote to memory of 3792 928 6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe 86 PID 3496 wrote to memory of 1756 3496 12257617526621934665.exe 87 PID 3496 wrote to memory of 1756 3496 12257617526621934665.exe 87 PID 3792 wrote to memory of 4000 3792 cmd.exe 92 PID 3792 wrote to memory of 4000 3792 cmd.exe 92 PID 3792 wrote to memory of 4000 3792 cmd.exe 92 PID 1756 wrote to memory of 3344 1756 cmd.exe 93 PID 1756 wrote to memory of 3344 1756 cmd.exe 93 PID 2888 wrote to memory of 5032 2888 34699107157525397041.exe 99 PID 2888 wrote to memory of 5032 2888 34699107157525397041.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe"C:\Users\Admin\AppData\Local\Temp\6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:928 -
C:\ProgramData\34699107157525397041.exe"C:\ProgramData\34699107157525397041.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:2888 -
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:5032
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C:\ProgramData\12257617526621934665.exe"C:\ProgramData\12257617526621934665.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\12257617526621934665.exe3⤵
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3344
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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\6bfafb852e2cc8bb787a4ebea0af84262ab794dd65f6ca9091559aa55c5851b8.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:3792 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 22562⤵
- Program crash
PID:1812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 928 -ip 9281⤵PID:4104
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
430.9MB
MD583e35a60d8ac7142855e68e96d8c84b1
SHA1f5a50c362fbab412539a24df2abdfbeca8119724
SHA2566ce43148a1360244b3d66a9641543ffdbdc8f7045c29ac1495235af31aba0c7d
SHA512561321bb871c28f8dcebb4cffbab89b74f7089d06a95dd610ecafb6103a75d6a220bc8c4c9b22c0eda8b75d7526581cdc7b0411bbc7bd729dbf4d46eae7e1163
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Filesize
439.6MB
MD5ebe9e057f065ee8619327b5469e4ad48
SHA130f4d7f79158f1afe2bcf21dddd7325f7e78de1f
SHA2566adacad6a663f40fe5a5c94932b8c56ece38a350656f0880f47d1bee1d61df89
SHA5125a43d4e46eb97aa2ef530f1db213bbd649af9caabb2fcb337b1d9c7ad7705b339bfab088ded9c38d35a66d09d5d5798c8b601beea213f52ee4cbd0570f36bd3d