Analysis Overview
SHA256
1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a
Threat Level: Known bad
The file 1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a was found to be: Known bad.
Malicious Activity Summary
Djvu Ransomware
Detected Djvu ransomware
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Vidar
Vidar Stealer
Downloads MZ/PE file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Modifies file permissions
Adds Run key to start application
Looks up external IP address via web service
Checks installed software on the system
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Enumerates physical storage devices
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Modifies system certificate store
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-23 17:32
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-23 17:32
Reported
2022-04-23 17:35
Platform
win10-20220414-en
Max time kernel
103s
Max time network
129s
Command Line
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
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Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Vidar Stealer
| Description | Indicator | Process | Target |
| 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\67a746d2-8127-4e24-8191-fe755326929c\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\build2.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\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-1-5-21-3297182285-798020602-2032295036-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\e24fcbb0-bba9-4b15-8223-44a11201789d\\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.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 2380 set thread context of 2556 | N/A | C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe | C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe |
| PID 4716 set thread context of 4568 | N/A | C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe | C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe |
| PID 4520 set thread context of 2364 | N/A | C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\build2.exe | C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\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\67a746d2-8127-4e24-8191-fe755326929c\build2.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\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\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.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\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe
"C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe"
C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe
"C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\e24fcbb0-bba9-4b15-8223-44a11201789d" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe
"C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe
"C:\Users\Admin\AppData\Local\Temp\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\build2.exe
"C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\build2.exe"
C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\build2.exe
"C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\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 | fuyt.org | udp |
| US | 8.8.8.8:53 | zerit.top | udp |
| MX | 189.164.252.30:80 | fuyt.org | tcp |
| KR | 175.119.10.231:80 | 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 |
| US | 52.182.143.210:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| DE | 116.202.1.195:80 | 116.202.1.195 | tcp |
Files
memory/2556-118-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2556-119-0x0000000000424141-mapping.dmp
memory/2380-121-0x0000000002290000-0x00000000023AB000-memory.dmp
memory/2556-120-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2556-122-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2556-123-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3548-124-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\e24fcbb0-bba9-4b15-8223-44a11201789d\1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a.exe
| MD5 | 62c8f2fadd8461b926048164b8dd9725 |
| SHA1 | 702686913160f1dc941edc6ccb5e8608d5a7d1bf |
| SHA256 | 1492aa67782f4720eb61f3953156e4a99b0941ec6da8f95ad20ce0601fc4316a |
| SHA512 | fecae2ff0c3d45e0d8a424527a1f2cc501f1cd943bc50f588b1ae1970b7ee0c49112cd19a447dc94a67fbe2179ac9c76a0cab4480992cc97dca3606b7bd98f18 |
memory/4716-126-0x0000000000000000-mapping.dmp
memory/4568-129-0x0000000000424141-mapping.dmp
memory/4568-130-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4568-131-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | 73d8800a0e0cc2c2af1a0c3b5a43e066 |
| SHA1 | 3525375647d702de44651c6b154258f3478955e4 |
| SHA256 | fd1dab4fec74248fa778fa48e03de3c804ce2957f29ed7bfd27859e108e70eb5 |
| SHA512 | 22ebc2748ed58adef315f21c28c1c4e17d4ee997c9e5f3f08fb4458ade216db360a89061f9e62dbfab69095c755987295d3d817d645adc8c01ab9dd0b0d5aad3 |
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 | d959c084665ec1cf8d0a757906f1c1cd |
| SHA1 | af8f2b140844c11ad8792f7fc911a4ad48f6d731 |
| SHA256 | ab6898eb52ca9ec087e718714df649397902d22580aaf32f4d0cdadd4440acc1 |
| SHA512 | ac6c2e2d11a2848174f3b5abfd3b22a75691bf0d476b7c25b01b40200b1189b22ba9a01614fde65790a3c56832a4338c3ba3a921ac72b174fd5b455157af7073 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | ae80420644f9d17a1ceb04dfe52b4551 |
| SHA1 | aca7052dea384b8d31813c11839d16dcef04a4b5 |
| SHA256 | 8893c680c876c7e9a453e301b2763e4310c2fc165bcb8e6cf23ae117f6cff476 |
| SHA512 | 3f742909f7dc09e109f0eec4c245f3be76121dfdab494252eba5edb1907402cf7867cdc7595c529d3445a1676750aebbf9aba4df760ad58645aaf3d897a82a6d |
memory/4568-136-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4520-137-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/2364-140-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2364-141-0x000000000042118A-mapping.dmp
memory/2364-143-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4520-144-0x0000000000746000-0x0000000000771000-memory.dmp
memory/4520-145-0x00000000020D0000-0x0000000002119000-memory.dmp
C:\Users\Admin\AppData\Local\67a746d2-8127-4e24-8191-fe755326929c\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/2364-146-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2364-147-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2364-148-0x0000000060900000-0x0000000060992000-memory.dmp
\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |