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, 22:01
Static task
static1
Behavioral task
behavioral1
Sample
cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe
Resource
win7-20230220-en
General
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Target
cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe
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Size
471KB
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MD5
66584b5531a030f7dbc65829650f6093
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SHA1
4bb64ff47bc75ff1aadf9587d11687c73ded64ec
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SHA256
cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12
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SHA512
36bd6fded7787e813d41af11f4f0d70fa1ad660a9dd7a6d6c74ffaf04537007ea89308c798fcbdba99eed3e9e9f518ab4138a49095065f332128e174d69a3f30
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SSDEEP
6144:N1cWNd16/0EulqokSw/Y33KZSpdGAVxoai5+H16UVlIvfqn:NeWf16/04DSK8g+fVbWv
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__ 53933823496662936378.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 53933823496662936378.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 53933823496662936378.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 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe -
Executes dropped EXE 3 IoCs
pid Process 2724 53933823496662936378.exe 4464 95435065893883067887.exe 4816 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.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/0x000200000001e5cc-241.dat upx behavioral2/files/0x000200000001e5cc-244.dat upx behavioral2/files/0x000200000001e5cc-243.dat upx behavioral2/memory/4464-246-0x0000000000530000-0x0000000001393000-memory.dmp upx behavioral2/memory/4464-245-0x0000000000530000-0x0000000001393000-memory.dmp upx behavioral2/memory/4464-250-0x0000000000530000-0x0000000001393000-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" 53933823496662936378.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 53933823496662936378.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2724 53933823496662936378.exe 4816 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 4240 3948 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 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1408 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 56 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3948 wrote to memory of 2724 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe 89 PID 3948 wrote to memory of 2724 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe 89 PID 3948 wrote to memory of 4464 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe 92 PID 3948 wrote to memory of 4464 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe 92 PID 4464 wrote to memory of 3424 4464 95435065893883067887.exe 93 PID 4464 wrote to memory of 3424 4464 95435065893883067887.exe 93 PID 3424 wrote to memory of 5068 3424 cmd.exe 95 PID 3424 wrote to memory of 5068 3424 cmd.exe 95 PID 3948 wrote to memory of 1180 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe 96 PID 3948 wrote to memory of 1180 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe 96 PID 3948 wrote to memory of 1180 3948 cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe 96 PID 1180 wrote to memory of 1408 1180 cmd.exe 100 PID 1180 wrote to memory of 1408 1180 cmd.exe 100 PID 1180 wrote to memory of 1408 1180 cmd.exe 100 PID 2724 wrote to memory of 4816 2724 53933823496662936378.exe 103 PID 2724 wrote to memory of 4816 2724 53933823496662936378.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe"C:\Users\Admin\AppData\Local\Temp\cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\ProgramData\53933823496662936378.exe"C:\ProgramData\53933823496662936378.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:2724 -
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:4816
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C:\ProgramData\95435065893883067887.exe"C:\ProgramData\95435065893883067887.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\95435065893883067887.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:5068
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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\cd6b8799ada5cd9fe4c362b645c57b68f1ec1cfad6463c61b32bdd8e75e79d12.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 22402⤵
- Program crash
PID:4240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3948 -ip 39481⤵PID:1320
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
518.8MB
MD56a347ede2d0bd76d13109caee264e627
SHA1ecd1ba2cc2f1b07eb55e4f0e88506160b3fd0c42
SHA25681ffcaaf4355e59ffbe36e1bb86aa7ad61fb14b155b963a9905c39f263ed88de
SHA5125dd53a8eeac2323abd7a05f4f5f9d23f46f85a945169bd091b9d889e8fd075f3ee55a88070ad1b019c717a3172139f24e7bb10a182c6559d4af01dd52f70f390
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Filesize
522.8MB
MD5c757f15d6162a4b8255a5d4c32f8129b
SHA1b63a4e84f7d1249f453c04490244f84c37ebdfbc
SHA256980b406b0a6fb983798ec9a960865d5724b4b1c733e3d8b509a0e76caaa8700c
SHA512200d6767d6d257519a38eab9b8639ee1279034e343e197fa90f479b38dca396df9bff8e70e90538fedbed68f348cf951a6d530577196c6582e01c57ed24b399d