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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2024, 02:58
Static task
static1
Behavioral task
behavioral1
Sample
1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe
Resource
win7-20240903-en
General
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Target
1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe
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Size
551KB
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MD5
9f79695e72dbd5bc6f7ecf4b6bb53690
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SHA1
a7fbcb8402c423efe38541137507fa05822bddd7
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SHA256
1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08
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SHA512
2b5fd840af93b5075cfbffb6b9a21836363f444f54c31a92ef7768c9fede948c10beb71e942881a83bcbc5bab4004a8147417138e3a5e7f2e9eb4103f923e3c8
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SSDEEP
12288:hDnrXQcjZvgjpq91VJ7EIsPqyR5o9yxqurb99RYxqjCAsP:hDLdZY81VJ7EIsQywMz+sCp
Malware Config
Extracted
vidar
http://proxy.johnmccrea.com/
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 15 IoCs
resource yara_rule behavioral2/memory/4436-1-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-7-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-25-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-26-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-42-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-43-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-71-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-72-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-79-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-80-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-81-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4436-100-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 4896 BGDBAKFCFH.exe -
Loads dropped DLL 2 IoCs
pid Process 4436 MSBuild.exe 4436 MSBuild.exe -
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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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4844 set thread context of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4896 set thread context of 4308 4896 BGDBAKFCFH.exe 89 -
Program crash 2 IoCs
pid pid_target Process procid_target 3560 4844 WerFault.exe 81 3996 4896 WerFault.exe 87 -
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 BGDBAKFCFH.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.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 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4500 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4436 MSBuild.exe 4436 MSBuild.exe 4436 MSBuild.exe 4436 MSBuild.exe 4436 MSBuild.exe 4436 MSBuild.exe 4436 MSBuild.exe 4436 MSBuild.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4844 wrote to memory of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4844 wrote to memory of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4844 wrote to memory of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4844 wrote to memory of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4844 wrote to memory of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4844 wrote to memory of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4844 wrote to memory of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4844 wrote to memory of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4844 wrote to memory of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4844 wrote to memory of 4436 4844 1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe 82 PID 4436 wrote to memory of 4896 4436 MSBuild.exe 87 PID 4436 wrote to memory of 4896 4436 MSBuild.exe 87 PID 4436 wrote to memory of 4896 4436 MSBuild.exe 87 PID 4896 wrote to memory of 4308 4896 BGDBAKFCFH.exe 89 PID 4896 wrote to memory of 4308 4896 BGDBAKFCFH.exe 89 PID 4896 wrote to memory of 4308 4896 BGDBAKFCFH.exe 89 PID 4896 wrote to memory of 4308 4896 BGDBAKFCFH.exe 89 PID 4896 wrote to memory of 4308 4896 BGDBAKFCFH.exe 89 PID 4896 wrote to memory of 4308 4896 BGDBAKFCFH.exe 89 PID 4896 wrote to memory of 4308 4896 BGDBAKFCFH.exe 89 PID 4896 wrote to memory of 4308 4896 BGDBAKFCFH.exe 89 PID 4896 wrote to memory of 4308 4896 BGDBAKFCFH.exe 89 PID 4436 wrote to memory of 1984 4436 MSBuild.exe 100 PID 4436 wrote to memory of 1984 4436 MSBuild.exe 100 PID 4436 wrote to memory of 1984 4436 MSBuild.exe 100 PID 1984 wrote to memory of 4500 1984 cmd.exe 102 PID 1984 wrote to memory of 4500 1984 cmd.exe 102 PID 1984 wrote to memory of 4500 1984 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe"C:\Users\Admin\AppData\Local\Temp\1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\ProgramData\BGDBAKFCFH.exe"C:\ProgramData\BGDBAKFCFH.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4896 -
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:4308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 2644⤵
- Program crash
PID:3996
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BKFHCGIDBAAF" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 2562⤵
- Program crash
PID:3560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4844 -ip 48441⤵PID:2012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4896 -ip 48961⤵PID:1896
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
518KB
MD5b989f3ed779705f097816b86ca3f52bd
SHA1c535b53986e5cbf51676a9de14233e9cdf6192be
SHA256cc786b72fd3b6f4165a962538cf43992d20620b6794dc47c3af58988ff8dd417
SHA512e61dc6bdc9243239795dcdc166f0e02ed1ec737d888fd00700e06ce697caea1a4c098844722682885db83ac9155b15b5fc1e179c86fe10f079ff6802d3c47fef
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571