Analysis
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max time kernel
148s -
max time network
151s -
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, 21:48
Static task
static1
Behavioral task
behavioral1
Sample
9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe
Resource
win7-20230220-en
General
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Target
9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe
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Size
472KB
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MD5
eacf2ef144457f0f8973ce9b31fa0c52
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SHA1
ef673e0c93a6351e7ccf9d090a994a2c79c0f91e
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SHA256
9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662
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SHA512
21a628ca4d7c4cf716103a2b7539e2ca9e73027ad0afdabf8e64c2b1c61fe368aac135d708ea9cb8719c9259205c62649e483b3bad1a49dbec19efa6a85ead5c
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SSDEEP
6144:AKbXyu4CFI0VjGCa/qNmfpL9NL0/vGh+v1Th4OafuktsRfq:AKbiu4CyeXmBL/L0M+UfukuR
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__ ntlhost.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 12026424174673848807.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 12026424174673848807.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 12026424174673848807.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 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe -
Executes dropped EXE 3 IoCs
pid Process 2748 12026424174673848807.exe 2492 64685112671882416983.exe 1708 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.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/0x000600000002317c-239.dat upx behavioral2/files/0x000600000002317c-242.dat upx behavioral2/files/0x000600000002317c-241.dat upx behavioral2/memory/2492-245-0x00000000009E0000-0x0000000001843000-memory.dmp upx behavioral2/memory/2492-250-0x00000000009E0000-0x0000000001843000-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" 12026424174673848807.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 12026424174673848807.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2748 12026424174673848807.exe 1708 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 4056 1988 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 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 748 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 52 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1988 wrote to memory of 2748 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe 89 PID 1988 wrote to memory of 2748 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe 89 PID 1988 wrote to memory of 2492 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe 91 PID 1988 wrote to memory of 2492 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe 91 PID 1988 wrote to memory of 4532 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe 92 PID 1988 wrote to memory of 4532 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe 92 PID 1988 wrote to memory of 4532 1988 9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe 92 PID 2492 wrote to memory of 3276 2492 64685112671882416983.exe 93 PID 2492 wrote to memory of 3276 2492 64685112671882416983.exe 93 PID 4532 wrote to memory of 748 4532 cmd.exe 99 PID 4532 wrote to memory of 748 4532 cmd.exe 99 PID 4532 wrote to memory of 748 4532 cmd.exe 99 PID 3276 wrote to memory of 3500 3276 cmd.exe 98 PID 3276 wrote to memory of 3500 3276 cmd.exe 98 PID 2748 wrote to memory of 1708 2748 12026424174673848807.exe 101 PID 2748 wrote to memory of 1708 2748 12026424174673848807.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe"C:\Users\Admin\AppData\Local\Temp\9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\ProgramData\12026424174673848807.exe"C:\ProgramData\12026424174673848807.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:2748 -
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:1708
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C:\ProgramData\64685112671882416983.exe"C:\ProgramData\64685112671882416983.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\64685112671882416983.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3500
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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\9d1aaf27a183b06f3d87c08cd9ed8ab59faa34a1751719cf7998626169f4e662.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4532 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 16042⤵
- Program crash
PID:4056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1988 -ip 19881⤵PID:3332
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
755.5MB
MD5b24b24b665754d9965e114880a70efe5
SHA134015ac880755991afb8ca219dd508d279d64886
SHA256df8438b90098e3d0f8b5d188494cdc7a67fbc3a420701d3e59f3c42028e75bc8
SHA5126900de63a417adaa2bc2adbb4817222fd5f40bb04e6a19b6e7641de34749051384904f6c914a7e671039afb15724a1e5f8a2956f8705c2576823e62999f0d9a0
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Filesize
755.5MB
MD5b24b24b665754d9965e114880a70efe5
SHA134015ac880755991afb8ca219dd508d279d64886
SHA256df8438b90098e3d0f8b5d188494cdc7a67fbc3a420701d3e59f3c42028e75bc8
SHA5126900de63a417adaa2bc2adbb4817222fd5f40bb04e6a19b6e7641de34749051384904f6c914a7e671039afb15724a1e5f8a2956f8705c2576823e62999f0d9a0