Analysis
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max time kernel
88s -
max time network
149s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
24-07-2021 21:45
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe
Resource
win7v20210410
General
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Target
SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe
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Size
566KB
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MD5
32d1a33a5dc17560ff620016b398fec9
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SHA1
d8b202a3e682a0ccb3b7ee2295d5d62133cc7458
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SHA256
18a3ac7fdc9dd873724112c6a390f3c6e5876c6b72664575bb259ad482fdfa18
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SHA512
ed3c6d9c9b36aa1d4e1e837c7d081189ec9d177a3fd9d6d1e02c58fea072796220f9322de12cde778c6db3a6d777e1a8c201925fd3e9f284e322ee785c92cadb
Malware Config
Extracted
vidar
39.7
921
https://shpak125.tumblr.com/
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profile_id
921
Signatures
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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Vidar Stealer 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2544-120-0x0000000000400000-0x00000000004A1000-memory.dmp family_vidar behavioral2/memory/2544-121-0x000000000046B76D-mapping.dmp family_vidar behavioral2/memory/2544-122-0x0000000000400000-0x00000000004A1000-memory.dmp family_vidar -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exepid process 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe -
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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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
Processes:
SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exedescription pid process target process PID 652 set thread context of 2544 652 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 4056 timeout.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 3848 taskkill.exe -
Processes:
SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exepid process 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exetaskkill.exedescription pid process Token: SeDebugPrivilege 652 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe Token: SeDebugPrivilege 3848 taskkill.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exeSecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.execmd.exedescription pid process target process PID 652 wrote to memory of 2544 652 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe PID 652 wrote to memory of 2544 652 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe PID 652 wrote to memory of 2544 652 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe PID 652 wrote to memory of 2544 652 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe PID 652 wrote to memory of 2544 652 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe PID 652 wrote to memory of 2544 652 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe PID 652 wrote to memory of 2544 652 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe PID 652 wrote to memory of 2544 652 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe PID 2544 wrote to memory of 3504 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe cmd.exe PID 2544 wrote to memory of 3504 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe cmd.exe PID 2544 wrote to memory of 3504 2544 SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe cmd.exe PID 3504 wrote to memory of 3848 3504 cmd.exe taskkill.exe PID 3504 wrote to memory of 3848 3504 cmd.exe taskkill.exe PID 3504 wrote to memory of 3848 3504 cmd.exe taskkill.exe PID 3504 wrote to memory of 4056 3504 cmd.exe timeout.exe PID 3504 wrote to memory of 4056 3504 cmd.exe timeout.exe PID 3504 wrote to memory of 4056 3504 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe2⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe" & del C:\ProgramData\*.dll & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im SecuriteInfo.com.Trojan.Win32.Save.a.15582.17268.exe /f4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\timeout.exetimeout /t 64⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\freebl3.dllMD5
ef2834ac4ee7d6724f255beaf527e635
SHA15be8c1e73a21b49f353c2ecfa4108e43a883cb7b
SHA256a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba
SHA512c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2
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C:\ProgramData\mozglue.dllMD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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C:\ProgramData\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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C:\ProgramData\nss3.dllMD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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C:\ProgramData\softokn3.dllMD5
a2ee53de9167bf0d6c019303b7ca84e5
SHA12a3c737fa1157e8483815e98b666408a18c0db42
SHA25643536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083
SHA51245b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8
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C:\ProgramData\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\ProgramData\mozglue.dllMD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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\ProgramData\nss3.dllMD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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memory/652-119-0x0000000004C90000-0x0000000004C91000-memory.dmpFilesize
4KB
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memory/652-114-0x00000000003D0000-0x00000000003D1000-memory.dmpFilesize
4KB
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memory/652-118-0x0000000004D10000-0x0000000004D11000-memory.dmpFilesize
4KB
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memory/652-117-0x0000000004D20000-0x0000000004D21000-memory.dmpFilesize
4KB
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memory/652-116-0x0000000002740000-0x000000000274E000-memory.dmpFilesize
56KB
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memory/2544-122-0x0000000000400000-0x00000000004A1000-memory.dmpFilesize
644KB
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memory/2544-121-0x000000000046B76D-mapping.dmp
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memory/2544-120-0x0000000000400000-0x00000000004A1000-memory.dmpFilesize
644KB
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memory/3504-125-0x0000000000000000-mapping.dmp
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memory/3848-126-0x0000000000000000-mapping.dmp
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memory/4056-127-0x0000000000000000-mapping.dmp