Analysis
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max time kernel
92s -
max time network
93s -
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 13:08
Static task
static1
Behavioral task
behavioral1
Sample
37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe
Resource
win7-20240903-en
General
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Target
37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe
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Size
559KB
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MD5
a30a19af1b0e9d5794084d9595fbb6d6
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SHA1
003029ccada9cb49fbae9b6383a5b45b1a2cabb2
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SHA256
37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e
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SHA512
30d9aba7744952f9ce620b72b5b06be712fa62af2155b72f0c5f6dd91177e1f23f100327ce715d918694a48fcaf57935f4cf70b0b80fbbbaa322761edb780eb2
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SSDEEP
12288:rxVd2AisZBJLor4x5Xf5N1FZ7g6gWcowDMr+drDnjViXNPzEO:VrBNkOvrZBgnDMcr/Wzt
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://clearancek.site/api
https://mobbipenju.store/api
https://eaglepawnoy.store/api
https://dissapoiznw.store/api
https://studennotediw.store/api
https://bathdoomgaz.store/api
https://spirittunek.store/api
Signatures
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Detect Vidar Stealer 15 IoCs
resource yara_rule behavioral2/memory/740-1-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-7-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-25-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-26-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-42-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-43-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-52-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-72-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-73-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-80-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-81-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/740-99-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 1704 FIDAFIEBFC.exe -
Loads dropped DLL 2 IoCs
pid Process 740 MSBuild.exe 740 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 4264 set thread context of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 1704 set thread context of 3756 1704 FIDAFIEBFC.exe 100 -
Program crash 2 IoCs
pid pid_target Process procid_target 4612 4264 WerFault.exe 81 1748 1704 WerFault.exe 98 -
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 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FIDAFIEBFC.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 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3240 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 740 MSBuild.exe 740 MSBuild.exe 740 MSBuild.exe 740 MSBuild.exe 740 MSBuild.exe 740 MSBuild.exe 740 MSBuild.exe 740 MSBuild.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 4264 wrote to memory of 4664 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 82 PID 4264 wrote to memory of 4664 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 82 PID 4264 wrote to memory of 4664 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 82 PID 4264 wrote to memory of 1092 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 83 PID 4264 wrote to memory of 1092 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 83 PID 4264 wrote to memory of 1092 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 83 PID 4264 wrote to memory of 2576 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 84 PID 4264 wrote to memory of 2576 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 84 PID 4264 wrote to memory of 2576 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 84 PID 4264 wrote to memory of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 4264 wrote to memory of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 4264 wrote to memory of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 4264 wrote to memory of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 4264 wrote to memory of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 4264 wrote to memory of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 4264 wrote to memory of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 4264 wrote to memory of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 4264 wrote to memory of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 4264 wrote to memory of 740 4264 37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe 85 PID 740 wrote to memory of 1704 740 MSBuild.exe 98 PID 740 wrote to memory of 1704 740 MSBuild.exe 98 PID 740 wrote to memory of 1704 740 MSBuild.exe 98 PID 1704 wrote to memory of 3756 1704 FIDAFIEBFC.exe 100 PID 1704 wrote to memory of 3756 1704 FIDAFIEBFC.exe 100 PID 1704 wrote to memory of 3756 1704 FIDAFIEBFC.exe 100 PID 1704 wrote to memory of 3756 1704 FIDAFIEBFC.exe 100 PID 1704 wrote to memory of 3756 1704 FIDAFIEBFC.exe 100 PID 1704 wrote to memory of 3756 1704 FIDAFIEBFC.exe 100 PID 1704 wrote to memory of 3756 1704 FIDAFIEBFC.exe 100 PID 1704 wrote to memory of 3756 1704 FIDAFIEBFC.exe 100 PID 1704 wrote to memory of 3756 1704 FIDAFIEBFC.exe 100 PID 740 wrote to memory of 2244 740 MSBuild.exe 103 PID 740 wrote to memory of 2244 740 MSBuild.exe 103 PID 740 wrote to memory of 2244 740 MSBuild.exe 103 PID 2244 wrote to memory of 3240 2244 cmd.exe 105 PID 2244 wrote to memory of 3240 2244 cmd.exe 105 PID 2244 wrote to memory of 3240 2244 cmd.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe"C:\Users\Admin\AppData\Local\Temp\37e5fe95fd85bae4aec1c7fd7bceb07b9d6676addda1ece901693e8683a4ba5e.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:4664
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:1092
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:2576
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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:740 -
C:\ProgramData\FIDAFIEBFC.exe"C:\ProgramData\FIDAFIEBFC.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704 -
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:3756
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 2564⤵
- Program crash
PID:1748
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AAKJKJDGCGDB" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4264 -s 2962⤵
- Program crash
PID:4612
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4264 -ip 42641⤵PID:552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1704 -ip 17041⤵PID:1520
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
518KB
MD536158b1ffc53e8542578a1c4094d9c4e
SHA1c88449e11b7b6c48f927c6de411d554b10799e2d
SHA25656e236b52b0077e19600cf660590bf8bea10b79d74c04097fe0b6b52df17d714
SHA512b4cf513d0f7d93257a37603f6eabcff692e07f4b8bc238f3f2aeb9f80c850a209981230af226f16b246a41cae51cdffef9ba7f21e10046e7d09b48daeb92b92e
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571