Analysis Overview
SHA256
0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090
Threat Level: Known bad
The file 0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090 was found to be: Known bad.
Malicious Activity Summary
Detected Djvu ransomware
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Djvu Ransomware
Vidar
Vidar Stealer
Downloads MZ/PE file
Executes dropped EXE
Modifies file permissions
Loads dropped DLL
Reads user/profile data of web browsers
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
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies system certificate store
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-23 16:05
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-23 16:05
Reported
2022-04-23 16:08
Platform
win10-20220414-en
Max time kernel
97s
Max time network
120s
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 |
| 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\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\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-1-5-21-4236190499-842014725-259441995-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\8aa30a8f-ded5-478a-be05-23396de8c425\\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.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 2808 set thread context of 4668 | N/A | C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe | C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe |
| PID 2780 set thread context of 2260 | N/A | C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe | C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe |
| PID 5092 set thread context of 4176 | N/A | C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe | C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\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\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\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\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.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\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
"C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe"
C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
"C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\8aa30a8f-ded5-478a-be05-23396de8c425" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
"C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
"C:\Users\Admin\AppData\Local\Temp\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe
"C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe"
C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe
"C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\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 |
| KR | 175.120.254.9:80 | fuyt.org | tcp |
| SA | 51.211.223.151:80 | fuyt.org | tcp |
| KR | 175.120.254.9:80 | 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/4668-118-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4668-119-0x0000000000424141-mapping.dmp
memory/2808-121-0x00000000022C0000-0x00000000023DB000-memory.dmp
memory/4668-120-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4668-122-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4668-123-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4456-124-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\8aa30a8f-ded5-478a-be05-23396de8c425\0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
| MD5 | e38d1addd662e41f144c741a67939dae |
| SHA1 | e305c98c5651031d31a71b0c7b787235929acac1 |
| SHA256 | 0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090 |
| SHA512 | 2fcb3ce92945495f96a43a50ffd12fb5341a704c04df8b1d98ec051d94f79be21fa527fac26eaaa5514133c9ca0b5de2c4c125125c44d524f86de8a96ffb7cb4 |
memory/2780-126-0x0000000000000000-mapping.dmp
memory/2260-129-0x0000000000424141-mapping.dmp
memory/2260-130-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2260-131-0x0000000000400000-0x0000000000537000-memory.dmp
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\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | e43c83950d8587633ea79b2f8270f94c |
| SHA1 | e0b3894cbe17a67786a06ecf8aef4930dd90b280 |
| SHA256 | 9228458a0fcf3e65f0a6f6675c17b6ac1a207da4e2bceda7c48089e509c58462 |
| SHA512 | ce84d13f6eaf64d6730ca7949662f3c75df4ddfd124eebdd3b2f82e622f2f1c90f1be9604e56f5b315226a8e41309176dca412c6c7963953aa7fd5a994608c5f |
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\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | d05f4ce282c6023d28d2f3e378966953 |
| SHA1 | 34fd8af7b4da889065d55bb3cc876398c08fd63a |
| SHA256 | d67d96fc604fdd009e70453fd30b0a51d34c9b3d4309796afcfb7bc37013472b |
| SHA512 | e6222f856d981de4498d48c0a880a6ecddc97f570c155bec852f324e8658f48a63791096336b3c3a5570d7139554fc02fe27cadec0c413da3dca754069841bb5 |
memory/2260-136-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5092-137-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/5092-140-0x0000000000766000-0x0000000000790000-memory.dmp
memory/4176-142-0x000000000042118A-mapping.dmp
memory/4176-141-0x0000000000400000-0x000000000044C000-memory.dmp
C:\Users\Admin\AppData\Local\e9c06dce-b7dc-46dd-b4fd-0c82c41ba9ae\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/5092-145-0x0000000000766000-0x0000000000790000-memory.dmp
memory/4176-144-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4176-146-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4176-147-0x0000000000400000-0x000000000044C000-memory.dmp
\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |