Analysis
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max time kernel
134s -
max time network
245s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
23-09-2024 05:12
Static task
static1
Behavioral task
behavioral1
Sample
eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe
Resource
win10-20240404-en
General
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Target
eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe
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Size
413KB
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MD5
0656946b783a6df8ff57c45846e49de1
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SHA1
5e5857484282f4e4d636d6558014859242b6a8f7
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SHA256
eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a
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SHA512
a409d30407773f4bb8bb087352e835765460fd3557a6570e1159b01988dd1601d15a7472958b8d41509da896ec365b7b61964413d0846763a8faff511458106d
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SSDEEP
12288:tUxpOKa8zz8WB4fZLtjEJNThSymzi0hMQwXFqEO:6Jzz8WUZLtjS5hHQi0TwXUt
Malware Config
Extracted
vidar
11
d80be45a1eb6454ca916f92c36ebf67d
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
Signatures
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Detect Vidar Stealer 11 IoCs
resource yara_rule behavioral2/memory/5008-11-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5008-9-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5008-5-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5008-24-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5008-25-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5008-41-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5008-42-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5008-67-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5008-68-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5008-75-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5008-76-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 5048 CGIJECFIEC.exe -
Loads dropped DLL 2 IoCs
pid Process 5008 RegAsm.exe 5008 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 2 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 4472 set thread context of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 5048 set thread context of 216 5048 CGIJECFIEC.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CGIJECFIEC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.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 1264 timeout.exe -
Suspicious behavior: EnumeratesProcesses 34 IoCs
pid Process 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe 5008 RegAsm.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 4472 wrote to memory of 424 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 76 PID 4472 wrote to memory of 424 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 76 PID 4472 wrote to memory of 424 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 76 PID 4472 wrote to memory of 4588 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 77 PID 4472 wrote to memory of 4588 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 77 PID 4472 wrote to memory of 4588 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 77 PID 4472 wrote to memory of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 4472 wrote to memory of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 4472 wrote to memory of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 4472 wrote to memory of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 4472 wrote to memory of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 4472 wrote to memory of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 4472 wrote to memory of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 4472 wrote to memory of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 4472 wrote to memory of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 4472 wrote to memory of 5008 4472 eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe 78 PID 5008 wrote to memory of 5048 5008 RegAsm.exe 80 PID 5008 wrote to memory of 5048 5008 RegAsm.exe 80 PID 5008 wrote to memory of 5048 5008 RegAsm.exe 80 PID 5048 wrote to memory of 216 5048 CGIJECFIEC.exe 83 PID 5048 wrote to memory of 216 5048 CGIJECFIEC.exe 83 PID 5048 wrote to memory of 216 5048 CGIJECFIEC.exe 83 PID 5048 wrote to memory of 216 5048 CGIJECFIEC.exe 83 PID 5048 wrote to memory of 216 5048 CGIJECFIEC.exe 83 PID 5048 wrote to memory of 216 5048 CGIJECFIEC.exe 83 PID 5048 wrote to memory of 216 5048 CGIJECFIEC.exe 83 PID 5048 wrote to memory of 216 5048 CGIJECFIEC.exe 83 PID 5048 wrote to memory of 216 5048 CGIJECFIEC.exe 83 PID 5008 wrote to memory of 3532 5008 RegAsm.exe 84 PID 5008 wrote to memory of 3532 5008 RegAsm.exe 84 PID 5008 wrote to memory of 3532 5008 RegAsm.exe 84 PID 3532 wrote to memory of 1264 3532 cmd.exe 86 PID 3532 wrote to memory of 1264 3532 cmd.exe 86 PID 3532 wrote to memory of 1264 3532 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe"C:\Users\Admin\AppData\Local\Temp\eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:424
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4588
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5008 -
C:\ProgramData\CGIJECFIEC.exe"C:\ProgramData\CGIJECFIEC.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
PID:216
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FCAEBFIJKEBG" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1264
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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
381KB
MD5f5a1956973dce107d4c0b6267ce88870
SHA179a19513d7c9cff939f2881c4172a05dbaef735b
SHA2567b794c5bdb820791f0359da90a9a4f258412b8feef9c6e6a0411f6aead9d3a04
SHA512f42180c75c0ae8dc083c6fff98a66c0d875fadb400d7945816ea330a54777632a3a7752d3e78b90e45f58ed3d04d6708b1dcea51d82711356e6d14e405a7c579
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571