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Analysis
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max time kernel
152s -
max time network
173s -
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, 21:21
Static task
static1
Behavioral task
behavioral1
Sample
29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe
Resource
win7-20230220-en
General
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Target
29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe
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Size
465KB
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MD5
1ed2e8fb6035b864885bf97b30c23831
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SHA1
1103f818d825c3af0efab2e4e8a51d41cdcab90f
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SHA256
29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7
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SHA512
619645b27d377f1df3b00f6f07e90b60a3acdac21b65ddd1aa08fa3e6574a7e7439671e6b9807f0ae6ca56d79307a778da08f7e608ea87fd09556b09f91373ce
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SSDEEP
6144:MTTDz0jW9OxPRoFY4PG+RZIWP4mM0R3sXFifWU7LfqE:MTTX0jW9QRqY4PbRyS4mL8Vif57Lr
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__ 82189305416479259189.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
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 82189305416479259189.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 82189305416479259189.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 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe -
Executes dropped EXE 3 IoCs
pid Process 5040 82189305416479259189.exe 4216 28602950643954190725.exe 2304 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.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/0x00020000000224a2-249.dat upx behavioral2/files/0x00020000000224a2-251.dat upx behavioral2/files/0x00020000000224a2-252.dat upx behavioral2/memory/4216-254-0x0000000000590000-0x00000000013F3000-memory.dmp upx behavioral2/memory/4216-253-0x0000000000590000-0x00000000013F3000-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" 82189305416479259189.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 82189305416479259189.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 5040 82189305416479259189.exe 2304 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 1772 2036 WerFault.exe 78 -
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 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4776 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 81 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2036 wrote to memory of 5040 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe 89 PID 2036 wrote to memory of 5040 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe 89 PID 2036 wrote to memory of 4216 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe 93 PID 2036 wrote to memory of 4216 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe 93 PID 2036 wrote to memory of 4144 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe 94 PID 2036 wrote to memory of 4144 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe 94 PID 2036 wrote to memory of 4144 2036 29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe 94 PID 4216 wrote to memory of 8 4216 28602950643954190725.exe 97 PID 4216 wrote to memory of 8 4216 28602950643954190725.exe 97 PID 8 wrote to memory of 388 8 cmd.exe 99 PID 8 wrote to memory of 388 8 cmd.exe 99 PID 4144 wrote to memory of 4776 4144 cmd.exe 100 PID 4144 wrote to memory of 4776 4144 cmd.exe 100 PID 4144 wrote to memory of 4776 4144 cmd.exe 100 PID 5040 wrote to memory of 2304 5040 82189305416479259189.exe 102 PID 5040 wrote to memory of 2304 5040 82189305416479259189.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe"C:\Users\Admin\AppData\Local\Temp\29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\ProgramData\82189305416479259189.exe"C:\ProgramData\82189305416479259189.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:5040 -
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:2304
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C:\ProgramData\28602950643954190725.exe"C:\ProgramData\28602950643954190725.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4216 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\28602950643954190725.exe3⤵
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:388
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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\29665f0ec685c27744554a601de0b2b7bf0d6389e5fe606f1e4af2e88cb94ea7.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 21002⤵
- Program crash
PID:1772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2036 -ip 20361⤵PID:4932
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
46.0MB
MD5adf43f58ff9a43fec914ce1817db199a
SHA1757d373ea21275783b2a3a56433a7f75cf048f59
SHA256e596704ea6afc92445c705c51a00910a83798f976b8c93c9fc7feff851321fc3
SHA512a2fc3d780c413d6251a551ad451d7b512e1cc959982b86c0fc30c240ed589a78f14a9ca6a4bd1372f942dee60955f4745e67ca0d52f90a20d1ac6c6556f08899
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Filesize
46.2MB
MD58042b78e06f4206f04032d29f9035c0d
SHA1c462cfb9a5b614a85c42391cd92a7d9de3238fd5
SHA25683c5155cb4453fa84ce7af090f697ee16bcf53b297b4671c638ec85ac4be7e0c
SHA5120986aa1f90c434a2add8f7d64c363a9c4a73613bb0d4906e8ea08d6d4f44a26c32666c10c5701abf6b13155d10eca9f010240cb9c36be99cfaeb57759e85e0fc