Analysis
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max time kernel
94s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2024 21:07
Static task
static1
Behavioral task
behavioral1
Sample
61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe
Resource
win10v2004-20240802-en
General
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Target
61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe
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Size
404KB
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MD5
15e48f59b50e093dd715c721cec58a29
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SHA1
9e8a996b0a8a3c78b7a90bca971d8dd015d5885c
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SHA256
61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710
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SHA512
681a6c84a0f2bc8f6d5fe0ce8559b77a9844655385222494ebab191090859415fe7aa88f5834362480a71e982e8c1d02cace1d5b0589693b49495d9face5d497
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SSDEEP
6144:hWDZTxXwKjzPrI1UEnjGVqpQduF2dupEzn3ZFunIYUNQ6ZRuR0nXjXzDzgSqqeBj:2Jfajqq8ucd6K3ZFunmHZRu0XXD0JjEO
Malware Config
Extracted
vidar
11
8a5f3a9817555d8b0b805aaf007d558d
https://t.me/jamsemlg
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Extracted
lumma
Extracted
lumma
https://spirittunek.store/api
https://mobbipenju.store/api
https://eaglepawnoy.store/api
https://dissapoiznw.store/api
https://studennotediw.store/api
https://bathdoomgaz.store/api
Signatures
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Detect Vidar Stealer 13 IoCs
resource yara_rule behavioral2/memory/1216-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-13-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-14-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-30-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-31-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-47-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-48-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-72-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-73-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-81-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1216-82-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 1 IoCs
pid Process 4876 IECFBKFHCA.exe -
Loads dropped DLL 2 IoCs
pid Process 1216 RegAsm.exe 1216 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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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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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4196 set thread context of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 4876 set thread context of 3876 4876 IECFBKFHCA.exe 91 -
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 1496 4876 WerFault.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IECFBKFHCA.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
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 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3984 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1216 RegAsm.exe 1216 RegAsm.exe 1216 RegAsm.exe 1216 RegAsm.exe 1216 RegAsm.exe 1216 RegAsm.exe 1216 RegAsm.exe 1216 RegAsm.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4196 wrote to memory of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 4196 wrote to memory of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 4196 wrote to memory of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 4196 wrote to memory of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 4196 wrote to memory of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 4196 wrote to memory of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 4196 wrote to memory of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 4196 wrote to memory of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 4196 wrote to memory of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 4196 wrote to memory of 1216 4196 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe 84 PID 1216 wrote to memory of 4876 1216 RegAsm.exe 89 PID 1216 wrote to memory of 4876 1216 RegAsm.exe 89 PID 1216 wrote to memory of 4876 1216 RegAsm.exe 89 PID 4876 wrote to memory of 3876 4876 IECFBKFHCA.exe 91 PID 4876 wrote to memory of 3876 4876 IECFBKFHCA.exe 91 PID 4876 wrote to memory of 3876 4876 IECFBKFHCA.exe 91 PID 4876 wrote to memory of 3876 4876 IECFBKFHCA.exe 91 PID 4876 wrote to memory of 3876 4876 IECFBKFHCA.exe 91 PID 4876 wrote to memory of 3876 4876 IECFBKFHCA.exe 91 PID 4876 wrote to memory of 3876 4876 IECFBKFHCA.exe 91 PID 4876 wrote to memory of 3876 4876 IECFBKFHCA.exe 91 PID 4876 wrote to memory of 3876 4876 IECFBKFHCA.exe 91 PID 1216 wrote to memory of 1288 1216 RegAsm.exe 100 PID 1216 wrote to memory of 1288 1216 RegAsm.exe 100 PID 1216 wrote to memory of 1288 1216 RegAsm.exe 100 PID 1288 wrote to memory of 3984 1288 cmd.exe 102 PID 1288 wrote to memory of 3984 1288 cmd.exe 102 PID 1288 wrote to memory of 3984 1288 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe"C:\Users\Admin\AppData\Local\Temp\61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4196 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\ProgramData\IECFBKFHCA.exe"C:\ProgramData\IECFBKFHCA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4876 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"4⤵
- System Location Discovery: System Language Discovery
PID:3876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 2364⤵
- Program crash
PID:1496
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DGHIDHCAAKEC" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4876 -ip 48761⤵PID:4532
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
518KB
MD5efbfec97a10f612bb7d1c528f03ece1e
SHA1a98bca7ce107d390e8dd5a6f2822ccd34378f8c8
SHA2563642e58272247143e3d60ae51738f4bd89fe52e41237f9ceaff0642d482d85e3
SHA51233fc075adf327c4fab93ed1ea0206e8e22aa452e395392c08e0183e7a3b59f6da097a11c7e7a9d661a9f107d39f557ab84bfc84ef9048b97bee01fd50526d2d2
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571