Analysis
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max time kernel
144s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2023 17:31
Static task
static1
General
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Target
f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe
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Size
465KB
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MD5
c9acbd09138f413f789ac056e53cce02
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SHA1
82ec10186b99537e0e3ac8f6a6f26fd65ff98fe7
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SHA256
f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042
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SHA512
16500cf0c6933a128726f0f3dc3962b9e8bc8c2d5e0d7c5c85e764c163ac35ecb03e0dbf91bd8edb1011239f487bb047823d6d9ff4f43a912818b7289e059227
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SSDEEP
6144:aByncVWCV4W/ufMtFtRVoey5JwFJGDUBfZWO3DQBCGHHiMSF28fqL:aBycVWCVDNH/VoekgYYpIaQpCA8W
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__ 99079962398815804667.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 ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 99079962398815804667.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 99079962398815804667.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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe -
Executes dropped EXE 3 IoCs
pid Process 1648 99079962398815804667.exe 4164 17330266230238605326.exe 3368 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.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 behavioral1/files/0x000300000001e7cd-246.dat upx behavioral1/files/0x000300000001e7cd-248.dat upx behavioral1/files/0x000300000001e7cd-249.dat upx behavioral1/memory/4164-251-0x0000000000B00000-0x0000000001963000-memory.dmp upx behavioral1/memory/4164-252-0x0000000000B00000-0x0000000001963000-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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 99079962398815804667.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 99079962398815804667.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1648 99079962398815804667.exe 3368 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 2200 4648 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 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1228 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 75 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4648 wrote to memory of 1648 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe 89 PID 4648 wrote to memory of 1648 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe 89 PID 4648 wrote to memory of 4164 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe 94 PID 4648 wrote to memory of 4164 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe 94 PID 4164 wrote to memory of 2696 4164 17330266230238605326.exe 95 PID 4164 wrote to memory of 2696 4164 17330266230238605326.exe 95 PID 4648 wrote to memory of 4396 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe 97 PID 4648 wrote to memory of 4396 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe 97 PID 4648 wrote to memory of 4396 4648 f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe 97 PID 2696 wrote to memory of 4916 2696 cmd.exe 98 PID 2696 wrote to memory of 4916 2696 cmd.exe 98 PID 4396 wrote to memory of 1228 4396 cmd.exe 102 PID 4396 wrote to memory of 1228 4396 cmd.exe 102 PID 4396 wrote to memory of 1228 4396 cmd.exe 102 PID 1648 wrote to memory of 3368 1648 99079962398815804667.exe 101 PID 1648 wrote to memory of 3368 1648 99079962398815804667.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe"C:\Users\Admin\AppData\Local\Temp\f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\ProgramData\99079962398815804667.exe"C:\ProgramData\99079962398815804667.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:1648 -
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:3368
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C:\ProgramData\17330266230238605326.exe"C:\ProgramData\17330266230238605326.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\17330266230238605326.exe3⤵
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4916
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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\f1c147fbc2b850b5170ef8ab50b682d217f8152f85313896a523a68fec7f1042.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4396 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1228
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 21802⤵
- Program crash
PID:2200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4648 -ip 46481⤵PID:3220
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
728.5MB
MD5b3f806f02b97ec7a46526a31c53cd773
SHA18f783ec948f4c9b04b626ada768352c89da67a03
SHA256fd2d4e9e8ebb069562c6e889bd4ce8773add911b12df359487bf052231f4fe8e
SHA5124313ed6983a5015b70ef96b760bf310da8e7686b93c32bad64ff2326e9f23b612ac7659896be800ed73e5f34a063542008454553f80a749be172d0c090cd30b9
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Filesize
728.5MB
MD5b3f806f02b97ec7a46526a31c53cd773
SHA18f783ec948f4c9b04b626ada768352c89da67a03
SHA256fd2d4e9e8ebb069562c6e889bd4ce8773add911b12df359487bf052231f4fe8e
SHA5124313ed6983a5015b70ef96b760bf310da8e7686b93c32bad64ff2326e9f23b612ac7659896be800ed73e5f34a063542008454553f80a749be172d0c090cd30b9