Analysis Overview
SHA256
ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428
Threat Level: Known bad
The file ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428 was found to be: Known bad.
Malicious Activity Summary
Vidar
Djvu Ransomware
Detected Djvu ransomware
Vidar Stealer
Executes dropped EXE
Downloads MZ/PE file
Reads user/profile data of web browsers
Modifies file permissions
Loads dropped DLL
Adds Run key to start application
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
Accesses 2FA software files, possible credential harvesting
Suspicious use of SetThreadContext
Enumerates physical storage devices
Checks processor information in registry
Modifies system certificate store
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-24 10:43
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-24 10:43
Reported
2022-04-24 10:45
Platform
win10-20220414-en
Max time kernel
97s
Max time network
127s
Command Line
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Djvu Ransomware
Vidar
Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\3b5ab759-5320-4c15-a6d2-5d829a2f15f2\\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe | N/A |
Checks installed software on the system
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.2ip.ua | N/A | N/A |
| N/A | api.2ip.ua | N/A | N/A |
| N/A | api.2ip.ua | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2572 set thread context of 2804 | N/A | C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe | C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe |
| PID 2220 set thread context of 4568 | N/A | C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe | C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe |
| PID 2316 set thread context of 4980 | N/A | C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe | C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 | C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe
"C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe"
C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe
"C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\3b5ab759-5320-4c15-a6d2-5d829a2f15f2" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe
"C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe
"C:\Users\Admin\AppData\Local\Temp\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe
"C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe"
C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe
"C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.2ip.ua | udp |
| DE | 162.0.217.254:443 | api.2ip.ua | tcp |
| DE | 162.0.217.254:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | zerit.top | udp |
| US | 8.8.8.8:53 | fuyt.org | udp |
| MX | 189.164.252.30:80 | fuyt.org | tcp |
| DO | 186.7.77.26:80 | zerit.top | tcp |
| MX | 189.164.252.30:80 | fuyt.org | tcp |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 116.202.1.195:80 | 116.202.1.195 | tcp |
| DE | 116.202.1.195:80 | 116.202.1.195 | tcp |
Files
memory/2572-120-0x0000000000970000-0x0000000000A0C000-memory.dmp
memory/2572-121-0x0000000002280000-0x000000000239B000-memory.dmp
memory/2804-124-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2804-122-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2804-123-0x0000000000424141-mapping.dmp
memory/2804-125-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2804-126-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3540-127-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\3b5ab759-5320-4c15-a6d2-5d829a2f15f2\ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428.exe
| MD5 | 80d03773664b6ca5f408c7829783f25a |
| SHA1 | e61cec291daff262ff34febc9625ed6770b70bd2 |
| SHA256 | ee605b4486c235c4754dded77bbcc814e97bf855d2a14421d3096ddd25422428 |
| SHA512 | be86e68f345341435400391b6712120fb9bfd0e9f8bc9dd9ac843624814aa7dd9743b949d3595ca7f3117161e56959f049dcae36b78f016ce4238860725f2890 |
memory/2220-129-0x0000000000000000-mapping.dmp
memory/4568-132-0x0000000000424141-mapping.dmp
memory/4568-133-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4568-134-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | d9c694c2d95c6812aa0be903de46da96 |
| SHA1 | df1a733a9c6c27997c798ae4c5715cabe1ffa5e4 |
| SHA256 | f6f85bc0d1770803a206fbfb83c4cb888b3a24b494feac38baa3ea764cda37c0 |
| SHA512 | 97a2eddf197aa74d1d05241008ead092f836b561bc1ad1d731d91db23d6dcce7a65d3dc1609384a3ad3fd5c858bae6c3a4361588b5a965ebf233f14410864793 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | 09cf06ef34b97130de704f385e86f7ce |
| SHA1 | 79acf9f4382f7e3f6382bed856c838ce753616f8 |
| SHA256 | cd2ce857aed161d3aaec8fac1dfa061cf7ded5a376dbe3afc54466660672b768 |
| SHA512 | f126420013b75f80217c387b385eb8e594ef1fbd943b9161e89ffc4b201767871dd5dfac8867a6980582260258a5ed8cc1b45c1211a41113caa9c55e4f23ea4a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | ad8e032271f02af2a955ce10661cc3a8 |
| SHA1 | 967d1bd99bea34c3110cc75c0c0d8b8565eae9f9 |
| SHA256 | d5081bf75d530e9336a6da0f9142bc10f4d06368c365cf0e33f7c99b0f643ce8 |
| SHA512 | bc69dfb03284cf1b8d172ff55938f238b928a0c7846306d8232ab697f54c771a9acf8b0e04a85e149da87ea8cfd9395605d0d95afc30eae1793e91399aa7eef7 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | ffe35957663c4ee55d801a4da543a76b |
| SHA1 | 852885fc23c82ca0b8881677b21ad2f373caea3a |
| SHA256 | b8862e2986c2a647cf7e04763da0a5957da5b78659f97b32839aebce0e60dc53 |
| SHA512 | ab9e3321713695d911d97df38ae8b60f58e331f5254657c74395a187670975d7403742123c498c8a6c1febf13f9a5b3699cb6ad3686e303343ba54ffa4a07b82 |
memory/4568-135-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2316-140-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/2316-143-0x0000000000796000-0x00000000007C0000-memory.dmp
memory/4980-145-0x000000000042118A-mapping.dmp
memory/4980-144-0x0000000000400000-0x000000000044C000-memory.dmp
C:\Users\Admin\AppData\Local\78dfca1d-020a-482e-b153-0d0aaf80c16e\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/2316-148-0x0000000000796000-0x00000000007C0000-memory.dmp
memory/4980-150-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2316-149-0x0000000000710000-0x0000000000759000-memory.dmp
memory/4980-147-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4980-151-0x0000000000400000-0x000000000044C000-memory.dmp
\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |