Analysis
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max time kernel
156s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
30-04-2023 22:12
Static task
static1
Behavioral task
behavioral1
Sample
f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe
Resource
win7-20230220-en
General
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Target
f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe
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Size
472KB
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MD5
89a82aad29cd72ddfad4e4640e99ef30
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SHA1
c72a9a626e8023da5491e383f9214de4ce9c73ac
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SHA256
f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06
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SHA512
a50396681fbeba1204d1c08175a3b8c4180389a7406c4c26a1aa19f352b52608cee6e42e0f904e5e647b2105c9e84ec3c0a186cd7316bdae56a7fb50b9741b72
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SSDEEP
6144:ZYzb5CigChgcDjQ7F889UO2K8vQ5MQz/ioslkGO+xfq:ZYztCigYxQ7F8UOYBsHO+x
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__ 59726976238334979407.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 59726976238334979407.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 59726976238334979407.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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe -
Executes dropped EXE 3 IoCs
pid Process 2360 59726976238334979407.exe 2504 76746576092102639126.exe 1840 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.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/0x000300000001e7ce-240.dat upx behavioral2/files/0x000300000001e7ce-243.dat upx behavioral2/files/0x000300000001e7ce-242.dat upx behavioral2/memory/2504-244-0x0000000000070000-0x0000000000ED3000-memory.dmp upx behavioral2/memory/2504-245-0x0000000000070000-0x0000000000ED3000-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" 59726976238334979407.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 59726976238334979407.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2360 59726976238334979407.exe 1840 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 4452 1824 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 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4920 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 50 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1824 wrote to memory of 2360 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe 89 PID 1824 wrote to memory of 2360 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe 89 PID 1824 wrote to memory of 2504 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe 94 PID 1824 wrote to memory of 2504 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe 94 PID 2504 wrote to memory of 2640 2504 76746576092102639126.exe 99 PID 2504 wrote to memory of 2640 2504 76746576092102639126.exe 99 PID 1824 wrote to memory of 3984 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe 95 PID 1824 wrote to memory of 3984 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe 95 PID 1824 wrote to memory of 3984 1824 f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe 95 PID 2640 wrote to memory of 2100 2640 cmd.exe 102 PID 2640 wrote to memory of 2100 2640 cmd.exe 102 PID 3984 wrote to memory of 4920 3984 cmd.exe 101 PID 3984 wrote to memory of 4920 3984 cmd.exe 101 PID 3984 wrote to memory of 4920 3984 cmd.exe 101 PID 2360 wrote to memory of 1840 2360 59726976238334979407.exe 103 PID 2360 wrote to memory of 1840 2360 59726976238334979407.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe"C:\Users\Admin\AppData\Local\Temp\f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\ProgramData\59726976238334979407.exe"C:\ProgramData\59726976238334979407.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:2360 -
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:1840
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C:\ProgramData\76746576092102639126.exe"C:\ProgramData\76746576092102639126.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\76746576092102639126.exe3⤵
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:2100
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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\f4edecce1ab835c92290f13385c4b6579993f54792aafd60d113b670b773bd06.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 22442⤵
- Program crash
PID:4452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1824 -ip 18241⤵PID:4576
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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
760.4MB
MD517e5ad811a9ae24122b3fa8aeff33e65
SHA112df4ab1a473513b3103b9990aeeed6942e0f1a9
SHA2562a3fd500d83b7803f5e2c3320fc149e057c3186a27e78c1dc5edcf8d534c3d29
SHA512e4f3abf46a05942def1f5a933bd66ab256807617af36c46976c7beff4f3c0f88e24525eda7ae8353d3dca057fe82e07ec3954438c7c990a43dcb0f7b2af37e9e
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Filesize
767.9MB
MD5a316a1273025c0bc22b280ac4fa03d07
SHA11a327d5d97ddf2e13336c68b439172783a7b58ac
SHA25600381a4162f5a2de8d2dda7b496ba08bc4595ec8395a22644b5767f164de4a16
SHA5126643816211b085989875d734092c8073ae0df9f98a34cf9984684c84990be583ebe6c2ede810317f2a494c889f400d9b3502a2f888647ef17f2d5ad1b5ee6107