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Analysis
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max time kernel
93s -
max time network
102s -
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, 07:55
Static task
static1
Behavioral task
behavioral1
Sample
7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe
Resource
win7-20240704-en
General
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Target
7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe
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Size
551KB
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MD5
e26251c9b69242d40b4719dc9e49fa74
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SHA1
0398069717fc29a080b247a0a018f83903d28dbb
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SHA256
7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86
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SHA512
53bd85f730cb997ce15de0b979601f6b8953f2e641fa4e1f270a461f284369bd4ad45c21266ad2b44cfc8e162e227de9a54343d741b1e0e8faf934e40deafd28
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SSDEEP
12288:VLgb3AhDsvBjCWws+uiKT+KWszTC5DomEZV66+TPNXk2phPwLjsP:VLySuRh5TzWszTC5kmu66+TPNU2phYLq
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 14 IoCs
resource yara_rule behavioral2/memory/2004-1-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-7-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-25-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-26-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-42-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-43-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-71-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-72-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-79-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-80-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2004-99-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 4828 EGCBAFCFIJ.exe -
Loads dropped DLL 2 IoCs
pid Process 2004 MSBuild.exe 2004 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 4564 set thread context of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 4828 set thread context of 4956 4828 EGCBAFCFIJ.exe 97 -
Program crash 2 IoCs
pid pid_target Process procid_target 5080 4564 WerFault.exe 81 4836 4828 WerFault.exe 95 -
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 EGCBAFCFIJ.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 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.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 680 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2004 MSBuild.exe 2004 MSBuild.exe 2004 MSBuild.exe 2004 MSBuild.exe 2004 MSBuild.exe 2004 MSBuild.exe 2004 MSBuild.exe 2004 MSBuild.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 4564 wrote to memory of 5052 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 82 PID 4564 wrote to memory of 5052 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 82 PID 4564 wrote to memory of 5052 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 82 PID 4564 wrote to memory of 2124 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 83 PID 4564 wrote to memory of 2124 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 83 PID 4564 wrote to memory of 2124 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 83 PID 4564 wrote to memory of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 4564 wrote to memory of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 4564 wrote to memory of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 4564 wrote to memory of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 4564 wrote to memory of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 4564 wrote to memory of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 4564 wrote to memory of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 4564 wrote to memory of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 4564 wrote to memory of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 4564 wrote to memory of 2004 4564 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe 84 PID 2004 wrote to memory of 4828 2004 MSBuild.exe 95 PID 2004 wrote to memory of 4828 2004 MSBuild.exe 95 PID 2004 wrote to memory of 4828 2004 MSBuild.exe 95 PID 4828 wrote to memory of 4956 4828 EGCBAFCFIJ.exe 97 PID 4828 wrote to memory of 4956 4828 EGCBAFCFIJ.exe 97 PID 4828 wrote to memory of 4956 4828 EGCBAFCFIJ.exe 97 PID 4828 wrote to memory of 4956 4828 EGCBAFCFIJ.exe 97 PID 4828 wrote to memory of 4956 4828 EGCBAFCFIJ.exe 97 PID 4828 wrote to memory of 4956 4828 EGCBAFCFIJ.exe 97 PID 4828 wrote to memory of 4956 4828 EGCBAFCFIJ.exe 97 PID 4828 wrote to memory of 4956 4828 EGCBAFCFIJ.exe 97 PID 4828 wrote to memory of 4956 4828 EGCBAFCFIJ.exe 97 PID 2004 wrote to memory of 1560 2004 MSBuild.exe 102 PID 2004 wrote to memory of 1560 2004 MSBuild.exe 102 PID 2004 wrote to memory of 1560 2004 MSBuild.exe 102 PID 1560 wrote to memory of 680 1560 cmd.exe 104 PID 1560 wrote to memory of 680 1560 cmd.exe 104 PID 1560 wrote to memory of 680 1560 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe"C:\Users\Admin\AppData\Local\Temp\7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:5052
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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:2124
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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:2004 -
C:\ProgramData\EGCBAFCFIJ.exe"C:\ProgramData\EGCBAFCFIJ.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4828 -
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:4956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 2404⤵
- Program crash
PID:4836
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DHCAECGIEBKJ" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 2682⤵
- Program crash
PID:5080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 45641⤵PID:224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4828 -ip 48281⤵PID:3844
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
518KB
MD577a0c98a7d5a2905955e1c868d71fc3e
SHA18da013af209fd44dec2a2c1fcaf9f108b6a145b0
SHA256daa40c5472119aa04ea001be9d59405ddc17efc5f6273bcd282f10f295886ea0
SHA512820984eec621ca28746879ea62655cd2f0ec58ef32764c99b7d7f4e09c8aab72100ddac74f2da683a2d5d4e0fb45919894ce1e36b3520548aceb19784fbd6f7d
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571