Analysis
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max time kernel
121s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
14-06-2024 01:41
Static task
static1
Behavioral task
behavioral1
Sample
9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe
Resource
win7-20231129-en
General
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Target
9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe
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Size
368KB
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MD5
bf808afcc221165140ff57a5e31bdef2
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SHA1
64f4ddd4a0f8cde10c990e6167fefb95a311ccec
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SHA256
9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885
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SHA512
d1521cd2ca9e064a08f4252bd82c0b6c97c464c49cd327a201d085107201e9cac02a9b311e042e79ee1eddee482975afea1ef0682e2c8bbd74e1415f23cbe1cf
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SSDEEP
3072:VUrql9LC/xRNNWY+/BFsiLMcOQlBDQiOKehsPsPn0ScNMvlL+l0A+5NnpINCfh1:VUraLC/xRPO/BmjJQlNKhskHcwL+W/b
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/memve4erin
https://steamcommunity.com/profiles/76561199699680841
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Extracted
systembc
173.211.46.4:4299
127.0.0.1:4299
Signatures
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Detect Vidar Stealer 6 IoCs
resource yara_rule behavioral1/memory/2044-2-0x0000000002380000-0x00000000023B5000-memory.dmp family_vidar_v7 behavioral1/memory/2044-3-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2044-416-0x0000000000400000-0x0000000002378000-memory.dmp family_vidar_v7 behavioral1/memory/2044-674-0x0000000000400000-0x0000000002378000-memory.dmp family_vidar_v7 behavioral1/memory/2044-746-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2044-745-0x0000000000400000-0x0000000002378000-memory.dmp family_vidar_v7 -
Detect binaries embedding considerable number of MFA browser extension IDs. 4 IoCs
resource yara_rule behavioral1/memory/2044-416-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral1/memory/2044-674-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral1/memory/2044-746-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral1/memory/2044-745-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 4 IoCs
resource yara_rule behavioral1/memory/2044-416-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral1/memory/2044-674-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral1/memory/2044-746-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral1/memory/2044-745-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects Windows executables referencing non-Windows User-Agents 5 IoCs
resource yara_rule behavioral1/memory/2044-3-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2044-416-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2044-674-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2044-746-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2044-745-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 4 IoCs
resource yara_rule behavioral1/memory/2044-416-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2044-674-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2044-746-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2044-745-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs
resource yara_rule behavioral1/memory/2044-3-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2044-416-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2044-674-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2044-746-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2044-745-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables containing potential Windows Defender anti-emulation checks 5 IoCs
resource yara_rule behavioral1/memory/2044-3-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/2044-416-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/2044-674-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/2044-746-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/2044-745-0x0000000000400000-0x0000000002378000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation -
Downloads MZ/PE file
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Deletes itself 1 IoCs
pid Process 840 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2064 BKKJKFBKKE.exe -
Loads dropped DLL 4 IoCs
pid Process 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\ProgramData\\BKKJKFBKKE.exe'\"" BKKJKFBKKE.exe -
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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2824 timeout.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2044 wrote to memory of 2064 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 30 PID 2044 wrote to memory of 2064 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 30 PID 2044 wrote to memory of 2064 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 30 PID 2044 wrote to memory of 2064 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 30 PID 2044 wrote to memory of 840 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 31 PID 2044 wrote to memory of 840 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 31 PID 2044 wrote to memory of 840 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 31 PID 2044 wrote to memory of 840 2044 9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe 31 PID 840 wrote to memory of 2824 840 cmd.exe 33 PID 840 wrote to memory of 2824 840 cmd.exe 33 PID 840 wrote to memory of 2824 840 cmd.exe 33 PID 840 wrote to memory of 2824 840 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe"C:\Users\Admin\AppData\Local\Temp\9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\ProgramData\BKKJKFBKKE.exe"C:\ProgramData\BKKJKFBKKE.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2064
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\9fd04eb7256cd879dc38ea0765ffc538b89e708ba30250f23d947c3713f97885.exe" & rd /s /q "C:\ProgramData\JEGHJDGIJECG" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:840 -
C:\Windows\SysWOW64\timeout.exetimeout /t 103⤵
- Delays execution with timeout.exe
PID:2824
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
1KB
MD5a266bb7dcc38a562631361bbf61dd11b
SHA13b1efd3a66ea28b16697394703a72ca340a05bd5
SHA256df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
SHA5120da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize242B
MD56777c6eb394b0c2166be9517957d3197
SHA13e26e4e126c4f384b22429797d9f4596140f7750
SHA256165f7aeee32ef98561b07c2ab8269c17a097a0eace32741ab6243c494bf42a01
SHA512a2d0cf9adaafb41f80be812de48932b69cf58ff41ed969994204de4a31afd25c72ee7bef7077c778f739b3003a313606c987f2866be83b40036efb34e9d5e565
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
7KB
MD5557331587055f884e301b299883620ec
SHA1cff40f1845dc2749fe352a280808d08c468b9a0e
SHA256cd83bbe57e977043d1ec53f43cc9f879c5b37944a8586cfad729e10e6d596d0d
SHA5122e5fdec1b587b4745da169177b47c20b9ab91e45637b227998f907f3a303a00eaf4bfb71165e898b3d2de603739cc46c226cefacbef208416acff67f1d3f9b08