Analysis
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max time kernel
141s -
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 23:16
Static task
static1
Behavioral task
behavioral1
Sample
26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe
Resource
win7-20230220-en
General
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Target
26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe
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Size
429KB
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MD5
99c8bedaeb9c99009d5935bfb6f61418
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SHA1
640bb2606d0eb4b30493f2ddd09e9181fe79459e
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SHA256
26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503
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SHA512
c1b03a2fadb81e0eb73fb70b88171336511f0d00d78322de00936d1642fe58253f915400c370016d0450509f7ae097b83286113463d864b3a159c890ba2975b9
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SSDEEP
6144:SZIISrnQ0bnXp2ar2C1QSNa4Bjk5Mb4Yq9tS5UIrhOiGJ8Xesg:SZLSrnQ0bXpHr2C1QZ2h4Yq9cHOJ8ud
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__ 34565738740059272273.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 34565738740059272273.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 34565738740059272273.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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe -
Executes dropped EXE 3 IoCs
pid Process 4384 34565738740059272273.exe 1200 03815123204657798805.exe 2824 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.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/0x0006000000023185-244.dat upx behavioral2/files/0x0006000000023185-247.dat upx behavioral2/files/0x0006000000023185-246.dat upx behavioral2/memory/1200-248-0x0000000000B50000-0x00000000019B3000-memory.dmp upx behavioral2/memory/1200-249-0x0000000000B50000-0x00000000019B3000-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" 34565738740059272273.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 34565738740059272273.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4384 34565738740059272273.exe 2824 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 4572 2428 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 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4040 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 59 Go-http-client/1.1 -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4\Blob = 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 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2428 wrote to memory of 4384 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 91 PID 2428 wrote to memory of 4384 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 91 PID 2428 wrote to memory of 1200 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 93 PID 2428 wrote to memory of 1200 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 93 PID 2428 wrote to memory of 2848 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 94 PID 2428 wrote to memory of 2848 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 94 PID 2428 wrote to memory of 2848 2428 26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe 94 PID 1200 wrote to memory of 4232 1200 03815123204657798805.exe 97 PID 1200 wrote to memory of 4232 1200 03815123204657798805.exe 97 PID 2848 wrote to memory of 4040 2848 cmd.exe 100 PID 2848 wrote to memory of 4040 2848 cmd.exe 100 PID 2848 wrote to memory of 4040 2848 cmd.exe 100 PID 4232 wrote to memory of 4760 4232 cmd.exe 101 PID 4232 wrote to memory of 4760 4232 cmd.exe 101 PID 4384 wrote to memory of 2824 4384 34565738740059272273.exe 102 PID 4384 wrote to memory of 2824 4384 34565738740059272273.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe"C:\Users\Admin\AppData\Local\Temp\26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\ProgramData\34565738740059272273.exe"C:\ProgramData\34565738740059272273.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:4384 -
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:2824
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C:\ProgramData\03815123204657798805.exe"C:\ProgramData\03815123204657798805.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\03815123204657798805.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4760
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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\26b6298c01cfc96cc478362f92a1fdd2b7dbb30bbb1cda749bf5b50a85cbe503.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2848 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 23322⤵
- Program crash
PID:4572
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2428 -ip 24281⤵PID:1820
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
381.5MB
MD598af3f6b46d6b7b6b3ca6ac964f0265f
SHA10e1a10b19a490e29c6ae0464304a2d23c4946582
SHA256f7f2e717408d5da9586bac7a8102a0363185f642c1416f743f60ac6db3a2fd25
SHA5129084d977751b674194c1aa80f95879838adb6c47e9cd8d3c1d38e4e4d9e44ab768deec227c2ca60db10b151a6ab7c7b02cc1c03ac4eaddf8f8b52d4787a0d6cf
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Filesize
413.0MB
MD56be97281e74d57e675c2955493701eea
SHA178b4e8dba853281b490bcb763f0d4551668ce5a0
SHA25657e5d4161c9aede40681dadf9d4e67642a5f6f1a5383b746d8a82377039ba3c2
SHA51231ab4fe153540bef3dcf56e9ddd043587da0a2b9ccbc04e0af39cbf02ceb76897d36d0c8896143d8e6c5c43672d72392ae38959288c9ba0ba91df1433d77a394