Analysis Overview
SHA256
57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e
Threat Level: Known bad
The file 57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e was found to be: Known bad.
Malicious Activity Summary
Djvu Ransomware
Vidar
Detected Djvu ransomware
Vidar Stealer
Executes dropped EXE
Downloads MZ/PE file
Checks computer location settings
Reads user/profile data of web browsers
Loads dropped DLL
Modifies file permissions
Accesses cryptocurrency files/wallets, possible credential harvesting
Accesses 2FA software files, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
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 02:13
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-24 02:13
Reported
2022-04-24 02:16
Platform
win10v2004-20220414-en
Max time kernel
100s
Max time network
137s
Command Line
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
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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 |
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Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\d965c70a-e1b5-4deb-83ca-739f389a358f\\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.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 1752 set thread context of 1240 | N/A | C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe | C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe |
| PID 216 set thread context of 1276 | N/A | C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe | C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe |
| PID 3904 set thread context of 4900 | N/A | C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe | C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\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\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.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\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe
"C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe"
C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe
"C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\d965c70a-e1b5-4deb-83ca-739f389a358f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe
"C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe
"C:\Users\Admin\AppData\Local\Temp\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe
"C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe"
C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe
"C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| 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 |
| KR | 211.119.84.112:80 | fuyt.org | tcp |
| KR | 123.213.233.194:80 | fuyt.org | tcp |
| KR | 211.119.84.112:80 | 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 |
| US | 20.189.173.3:443 | tcp | |
| US | 8.247.210.254:80 | tcp | |
| US | 8.247.210.254:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| BE | 8.238.110.126:80 | tcp |
Files
memory/1240-130-0x0000000000000000-mapping.dmp
memory/1240-131-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1240-132-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1752-133-0x0000000000963000-0x00000000009F4000-memory.dmp
memory/1752-134-0x00000000022B0000-0x00000000023CB000-memory.dmp
memory/1240-135-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1240-136-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3984-137-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\d965c70a-e1b5-4deb-83ca-739f389a358f\57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e.exe
| MD5 | 8ce657deef6c6e3886118b73778cdf58 |
| SHA1 | f8a831f835e9e239f69efa0362d94c5127e1e75d |
| SHA256 | 57f14562db2fdd59ceb6013041e203540015ce42a42f3352098cf2a98cfb5a6e |
| SHA512 | 584b685435769de76ea16a953495620be71cc7d41f87ae18fafe98d6d341c040f7a690312100dc18362598cf391f5fe361691224bee7ae6c5c5738ccfc73e310 |
memory/216-139-0x0000000000000000-mapping.dmp
memory/1276-140-0x0000000000000000-mapping.dmp
memory/216-143-0x0000000000647000-0x00000000006D8000-memory.dmp
memory/1276-142-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1276-144-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | 83f25aaa05f0d5fe8de59043e8b25e27 |
| SHA1 | cf131c4cdd052f18fd3c1ae09299d4f45f0b59b2 |
| SHA256 | 9a3237464dd33a201e945f1479c9bdc477dd0a7e3cf88c30e7e700cf3383f11a |
| SHA512 | c031dc0ade201a10d34e6d9cbb818ff0111d17a9c1cb888a40fffa4d2a24d389849a09ab335503d35deb00e3b5efdb886bba436c5145d2731e165e7c82ffaa36 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | ae80420644f9d17a1ceb04dfe52b4551 |
| SHA1 | aca7052dea384b8d31813c11839d16dcef04a4b5 |
| SHA256 | 8893c680c876c7e9a453e301b2763e4310c2fc165bcb8e6cf23ae117f6cff476 |
| SHA512 | 3f742909f7dc09e109f0eec4c245f3be76121dfdab494252eba5edb1907402cf7867cdc7595c529d3445a1676750aebbf9aba4df760ad58645aaf3d897a82a6d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | 4b48eeea719432bc0719653be71e6ecf |
| SHA1 | 41367524cf7d0c34d7737722cb2212558fca9938 |
| SHA256 | 2d25e68537528a81bcadb24f24afda11671512a17d04ed304cf138a30b228866 |
| SHA512 | 152b287e3d0c05f3b4dea98a20e1fc39a61008b3d5c4acc7632647bdffc090ef2ea76d4ec3a6d0cf3387c9f2f43fde1624f213908beb9583b6ad43429f551533 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | 21621fc6aa4e4fd79be250625dd2261d |
| SHA1 | 731085a10ff95a9d6078382c4442dcf1811a6e9b |
| SHA256 | deab478276007e017b162a4eee8fe2bcaee8a623a2b78be9e9c6936addb9acde |
| SHA512 | bcdb41e30a033cfa2fd68162dbaf081992c164cb3468251f60b89fc47417c625d4552eeeae6491c747716096f438a06162cc827ece85de5e4029179baf164ae9 |
memory/1276-149-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3904-150-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/3904-153-0x0000000000738000-0x0000000000762000-memory.dmp
memory/4900-154-0x0000000000000000-mapping.dmp
memory/4900-155-0x0000000000400000-0x000000000044C000-memory.dmp
memory/3904-158-0x0000000000738000-0x0000000000762000-memory.dmp
C:\Users\Admin\AppData\Local\7d001c2f-d82e-4b68-a3fe-9c8840e7ee83\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/4900-157-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4900-160-0x0000000000400000-0x000000000044C000-memory.dmp
memory/3904-159-0x00000000005E0000-0x0000000000629000-memory.dmp
memory/4900-161-0x0000000000400000-0x000000000044C000-memory.dmp
C:\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
C:\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |