Analysis
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max time kernel
121s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 22:40
Static task
static1
Behavioral task
behavioral1
Sample
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe
Resource
win10-20240611-en
General
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Target
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe
-
Size
292KB
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MD5
d0263e1e29b4f202bffd383f136395c4
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SHA1
24a701fe63e5b6d31c103db118ca21a75ed4496b
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SHA256
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd
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SHA512
2d8af02d8bf2b8eb09c15a87e2c2cbcd7d34c619180e6dca29be3fd43108a0e993ab7aad418a2ecb2bb2e0792f382bb8b79dc85537f5bb7da1fdd7673e41339f
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SSDEEP
6144:Pz7IsdCrg45NVyLuYKq0sda9en510jjPvn7D/eFwF+0VSyEO:PfeNNUqnqf10nvn7DeFcRSyEO
Malware Config
Extracted
vidar
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Signatures
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Detect Vidar Stealer 17 IoCs
resource yara_rule behavioral1/memory/2956-21-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-19-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-17-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-14-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-13-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-11-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-164-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-191-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-217-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-236-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-352-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-368-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-387-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-430-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-449-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2956-540-0x0000000000400000-0x0000000000657000-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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Loads dropped DLL 2 IoCs
pid Process 2956 RegAsm.exe 2956 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 1 IoCs
description pid Process procid_target PID 2236 set thread context of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 -
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 4 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 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.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 1184 timeout.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe 2956 RegAsm.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2236 wrote to memory of 2956 2236 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 32 PID 2956 wrote to memory of 3068 2956 RegAsm.exe 35 PID 2956 wrote to memory of 3068 2956 RegAsm.exe 35 PID 2956 wrote to memory of 3068 2956 RegAsm.exe 35 PID 2956 wrote to memory of 3068 2956 RegAsm.exe 35 PID 3068 wrote to memory of 1184 3068 cmd.exe 37 PID 3068 wrote to memory of 1184 3068 cmd.exe 37 PID 3068 wrote to memory of 1184 3068 cmd.exe 37 PID 3068 wrote to memory of 1184 3068 cmd.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe"C:\Users\Admin\AppData\Local\Temp\a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236 -
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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AEBKFIJEGCAA" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1184
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Credential 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
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571