Analysis
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max time kernel
146s -
max time network
148s -
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 23:59
Static task
static1
Behavioral task
behavioral1
Sample
541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe
Resource
win7-20230220-en
General
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Target
541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe
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Size
370KB
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MD5
59b3d4ac81baf5dad7e19cfe6aea9736
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SHA1
cdcf474c377b4c7e14ed97bd29958837b09d5274
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SHA256
541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb
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SHA512
8894c1e69a3b50df7ee54379884d12ae727d892001832af2e011b2c34d7d1a2c8e88935daa9473551e4f869f393b85c0f02c03082486ff83e5d5febdcdcc4015
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SSDEEP
6144:cqlxiLrpqobVDQs3B2cjKkpSXxqCH3TSlGEsTIais1PqOO:cqlELFqQ9ocEqCH3LT/VPNO
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__ 67613192202821942382.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 67613192202821942382.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 67613192202821942382.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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe -
Executes dropped EXE 3 IoCs
pid Process 3084 67613192202821942382.exe 5008 79525814824566045243.exe 2064 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.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/0x000600000002314e-244.dat upx behavioral2/files/0x000600000002314e-246.dat upx behavioral2/files/0x000600000002314e-247.dat upx behavioral2/memory/5008-248-0x0000000000720000-0x0000000001583000-memory.dmp upx behavioral2/memory/5008-249-0x0000000000720000-0x0000000001583000-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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 67613192202821942382.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 67613192202821942382.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3084 67613192202821942382.exe 2064 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 1916 4512 WerFault.exe 82 -
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 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1296 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 86 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4512 wrote to memory of 3084 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe 87 PID 4512 wrote to memory of 3084 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe 87 PID 4512 wrote to memory of 5008 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe 90 PID 4512 wrote to memory of 5008 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe 90 PID 4512 wrote to memory of 4060 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe 92 PID 4512 wrote to memory of 4060 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe 92 PID 4512 wrote to memory of 4060 4512 541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe 92 PID 5008 wrote to memory of 3460 5008 79525814824566045243.exe 93 PID 5008 wrote to memory of 3460 5008 79525814824566045243.exe 93 PID 3460 wrote to memory of 4112 3460 cmd.exe 99 PID 3460 wrote to memory of 4112 3460 cmd.exe 99 PID 4060 wrote to memory of 1296 4060 cmd.exe 100 PID 4060 wrote to memory of 1296 4060 cmd.exe 100 PID 4060 wrote to memory of 1296 4060 cmd.exe 100 PID 3084 wrote to memory of 2064 3084 67613192202821942382.exe 101 PID 3084 wrote to memory of 2064 3084 67613192202821942382.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe"C:\Users\Admin\AppData\Local\Temp\541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4512 -
C:\ProgramData\67613192202821942382.exe"C:\ProgramData\67613192202821942382.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:3084 -
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:2064
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C:\ProgramData\79525814824566045243.exe"C:\ProgramData\79525814824566045243.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5008 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\79525814824566045243.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4112
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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\541846929221612b779740077564c12cb5e386eaf0ecd895b8d8ee7008ae0fbb.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 22002⤵
- Program crash
PID:1916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4512 -ip 45121⤵PID:968
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
426.4MB
MD511560d992a7db1c46ff5871ddc289035
SHA1b73ca7b9ec743c38bc679bc8cc5f07a21a49fd09
SHA2562dbc839c0c6935bd4d974420d88775f9ea2d20ede92878c19b030c36f9d11cf5
SHA512028383e857890cca740d3b8879f871f9c3a353aa935bb807dd8387e615d47053338b55f29bb0ceceac7092e0e57daca675e4839074d090f74a32ef7d20cb7b6d
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Filesize
432.2MB
MD5f61c4e0b1ebbec305b29846c94d1ead6
SHA122bafb198b01c3ac549fe3e7c07f2882db1ce62b
SHA2566574a094bcdba5e574336836dcfd0de3f0ff37028b0eaf9b4718a39b06daccb7
SHA512439a243e6562079c24d178eccf38be1b9708f78d25a300b357956060b80317c959d0078207e28320d46280862463802376c598f43ab8a4f5e556ac1c1befa198