Analysis Overview
SHA256
2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db
Threat Level: Known bad
The file 2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db was found to be: Known bad.
Malicious Activity Summary
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Detected Djvu ransomware
Vidar
Djvu Ransomware
Vidar Stealer
Executes dropped EXE
Downloads MZ/PE file
Modifies file permissions
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Adds Run key to start application
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Accesses 2FA software files, possible credential harvesting
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
2022-04-23 19:05
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-23 19:05
Reported
2022-04-23 19:08
Platform
win10v2004-20220414-en
Max time kernel
69s
Max time network
123s
Command Line
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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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 |
| 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\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\ffacb70c-4a5a-4f8e-8eb9-d2dc8eddaa35\\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.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 1180 set thread context of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe | C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe |
| PID 5068 set thread context of 4540 | N/A | C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe | C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe |
| PID 4792 set thread context of 4616 | N/A | C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe | C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\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\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\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\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.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\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe
"C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe"
C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe
"C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\ffacb70c-4a5a-4f8e-8eb9-d2dc8eddaa35" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe
"C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe
"C:\Users\Admin\AppData\Local\Temp\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe
"C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe"
C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe
"C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 104.110.191.133:80 | 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 |
| MX | 201.124.224.61:80 | fuyt.org | tcp |
| MX | 187.232.181.212:80 | fuyt.org | tcp |
| MX | 201.124.224.61:80 | 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 | 20.189.173.9:443 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp |
Files
memory/2248-130-0x0000000000000000-mapping.dmp
memory/2248-131-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1180-133-0x0000000000616000-0x00000000006A8000-memory.dmp
memory/2248-132-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2248-135-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1180-134-0x0000000002260000-0x000000000237B000-memory.dmp
memory/2248-136-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4476-137-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\ffacb70c-4a5a-4f8e-8eb9-d2dc8eddaa35\2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db.exe
| MD5 | 452a191af6aa4aa8e4c784c287d077e3 |
| SHA1 | 083822c7a4ce790647d5099ac5978bbc72f114a0 |
| SHA256 | 2334ac2a63db96355a93e9daa7ee3e64d09f979e3338b32e0576df8a95a696db |
| SHA512 | e6dde03e90c325dce5b9beabb36d882cc4aa0e2caa125e6fa5b6c6663b786ad0e2895b0be0be3526b10e42805189b592e3f3521d3116427a1f92b4413c55a492 |
memory/5068-139-0x0000000000000000-mapping.dmp
memory/4540-140-0x0000000000000000-mapping.dmp
memory/5068-143-0x000000000217D000-0x000000000220F000-memory.dmp
memory/4540-144-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-142-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | 3664531a8ef289731ed9a4869aa13cc9 |
| SHA1 | 93e01087c3c2e956411255f93df754497b0318db |
| SHA256 | 1d4931068d2ec46c9faf6ecff551a4c33bc933c8f19b9f15a93b72e13d61a210 |
| SHA512 | 7149011abe201fa9e68b9db98e91eade77e00a17cf9004860a529d9651b2174ebe71200e06d262775bd1cfbefab42aa649e6356b3912217324c982fa99a56e5b |
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 | 0276bf661ceddd188f0ccc8ca05f3e7c |
| SHA1 | 83a87dce578421700ab837a220c6ce3db450098a |
| SHA256 | dac545be494d2bc3f5dce8b536504c9b950bc1371bfc4fdb304d6053f0253358 |
| SHA512 | f0592b29b87764605d5fdccb41e75f5cad05cd5312c3642a2d21d10d61ff6f08c499f5d31d693914bfea17b301261d942b0cb63ab7a89f16cc7e3de5d35314f0 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | ae80420644f9d17a1ceb04dfe52b4551 |
| SHA1 | aca7052dea384b8d31813c11839d16dcef04a4b5 |
| SHA256 | 8893c680c876c7e9a453e301b2763e4310c2fc165bcb8e6cf23ae117f6cff476 |
| SHA512 | 3f742909f7dc09e109f0eec4c245f3be76121dfdab494252eba5edb1907402cf7867cdc7595c529d3445a1676750aebbf9aba4df760ad58645aaf3d897a82a6d |
memory/4540-149-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4792-150-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/4792-153-0x00000000006C8000-0x00000000006F2000-memory.dmp
memory/4616-154-0x0000000000000000-mapping.dmp
memory/4616-155-0x0000000000400000-0x000000000044C000-memory.dmp
C:\Users\Admin\AppData\Local\5191d715-2ab6-489d-abe3-cf345ba1798a\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/4616-158-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4792-157-0x00000000006C8000-0x00000000006F2000-memory.dmp
memory/4792-159-0x0000000002090000-0x00000000020D9000-memory.dmp
memory/4616-160-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4616-161-0x0000000000400000-0x000000000044C000-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 |