Analysis
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max time kernel
147s -
max time network
152s -
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 00:03
Static task
static1
Behavioral task
behavioral1
Sample
58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe
Resource
win7-20230220-en
General
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Target
58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe
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Size
409KB
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MD5
db74f149f85fd1ea4f1286a75d5a9d1e
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SHA1
9b04514fb29c4cdcea7d3378074b407bfe222158
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SHA256
58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943
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SHA512
759ad9ce0ff6688948a991a3ddcf58b2c42e6cba9c0e0229562e845241cb94d586c40dc099883af086e5191e38807f647e9585b79ecb7f75e728e4132eb5d883
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SSDEEP
6144:mJK8sjgF94p3npp+oaj7AlPX/wyo3r3/H8Xt9ycN6ydNh+1:8KHEvsnz+o47AZO/c99PdN
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__ 31695572415052292863.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 31695572415052292863.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 31695572415052292863.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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe -
Executes dropped EXE 3 IoCs
pid Process 3128 31695572415052292863.exe 4756 80201648064571993316.exe 3332 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.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/0x0002000000022cb8-247.dat upx behavioral2/files/0x0002000000022cb8-250.dat upx behavioral2/files/0x0002000000022cb8-249.dat upx behavioral2/memory/4756-251-0x00000000007E0000-0x0000000001643000-memory.dmp upx behavioral2/memory/4756-252-0x00000000007E0000-0x0000000001643000-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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 31695572415052292863.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 31695572415052292863.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3128 31695572415052292863.exe 3332 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 1284 1280 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 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2268 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 78 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1280 wrote to memory of 3128 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe 90 PID 1280 wrote to memory of 3128 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe 90 PID 1280 wrote to memory of 4756 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe 93 PID 1280 wrote to memory of 4756 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe 93 PID 4756 wrote to memory of 4100 4756 80201648064571993316.exe 96 PID 4756 wrote to memory of 4100 4756 80201648064571993316.exe 96 PID 4100 wrote to memory of 2216 4100 cmd.exe 97 PID 4100 wrote to memory of 2216 4100 cmd.exe 97 PID 1280 wrote to memory of 4852 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe 98 PID 1280 wrote to memory of 4852 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe 98 PID 1280 wrote to memory of 4852 1280 58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe 98 PID 4852 wrote to memory of 2268 4852 cmd.exe 102 PID 4852 wrote to memory of 2268 4852 cmd.exe 102 PID 4852 wrote to memory of 2268 4852 cmd.exe 102 PID 3128 wrote to memory of 3332 3128 31695572415052292863.exe 103 PID 3128 wrote to memory of 3332 3128 31695572415052292863.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe"C:\Users\Admin\AppData\Local\Temp\58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\ProgramData\31695572415052292863.exe"C:\ProgramData\31695572415052292863.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:3128 -
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:3332
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C:\ProgramData\80201648064571993316.exe"C:\ProgramData\80201648064571993316.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4756 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\80201648064571993316.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4100 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:2216
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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\58cde13b538a2d4760833ae15e9acb8f2cd544dd1738280b7528a7a057222943.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:2268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 17762⤵
- Program crash
PID:1284
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1280 -ip 12801⤵PID:2208
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
590.1MB
MD5c7c1d6e03bee891d7ccc55331efbfc69
SHA1ddcb6cd8ff226da7ed8af872df729880c8a6d842
SHA256a372f049f7e54c58a93b4c6a60b713331f0c9b3d85a1a9ac96ab4b3d83aa8bd1
SHA5122cc24052fad4819d7c09a76eaea1f9d38bd2b2b4642974c3364d935e41b81111b89be1626de251ce0bb909c089a5640458dcd326de297797fa8ebcd1d3945441
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Filesize
580.7MB
MD54dd8248f3cb0e5ccb9c478597869d670
SHA11b2915dd5a41f12b7b803a907cfad67488ebaade
SHA256c7beac7920fce3ac8ae6dd9007af66cf43860a83e0546776cb72c57fa1e442fc
SHA512c945796a1e50104a30081b17dba8d56fd0f559d46dd42033ad7bcc235e26eeaafb6580ac48d25b7783a8536d6900e07cc268053ac087071582f3aed33a9117c8