Analysis
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max time kernel
143s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
06-05-2023 22:09
Static task
static1
Behavioral task
behavioral1
Sample
5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe
Resource
win10v2004-20230220-en
General
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Target
5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe
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Size
472KB
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MD5
8f2c9f0afc36de964044399238b4855b
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SHA1
e9593d9a131ad8645fde1074160d648323c97223
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SHA256
5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a
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SHA512
31e5ce5e73726eec6cdfe7604796f647f2e7ab3c210de15e6ac823b10ba9f6ef3fb634737225448334877e7d69de6902d6a5c7496ebe1431fbcff030a247d150
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SSDEEP
6144:jTYtlUIxup5oaxT+DWEWPuhC68et8lTGGZitd0EayvzAxGK9j:jTGlUIxI5TTRkhhtsA0Eayv8xp
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
Signatures
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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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe -
Loads dropped DLL 2 IoCs
pid Process 564 5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe 564 5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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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 680 564 WerFault.exe 80 -
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 5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1760 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 564 5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe 564 5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 564 wrote to memory of 2156 564 5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe 88 PID 564 wrote to memory of 2156 564 5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe 88 PID 564 wrote to memory of 2156 564 5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe 88 PID 2156 wrote to memory of 1760 2156 cmd.exe 92 PID 2156 wrote to memory of 1760 2156 cmd.exe 92 PID 2156 wrote to memory of 1760 2156 cmd.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe"C:\Users\Admin\AppData\Local\Temp\5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:564 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\5f48a3234ca717ba4aaaea477802147f5d1a5a3d423b1929af024ca7d30d234a.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 564 -s 21202⤵
- Program crash
PID:680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 564 -ip 5641⤵PID:5048
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571