Analysis Overview
SHA256
3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19
Threat Level: Known bad
The file 3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19 was found to be: Known bad.
Malicious Activity Summary
Djvu Ransomware
Detected Djvu ransomware
Checks computer location settings
Modifies file permissions
Looks up external IP address via web service
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-22 12:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 12:52
Reported
2024-05-22 12:55
Platform
win10v2004-20240508-en
Max time kernel
144s
Max time network
129s
Command Line
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Djvu Ransomware
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\1165bd64-e9b1-416c-8aec-766984f9cf96\\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe | N/A |
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 1056 set thread context of 1020 | N/A | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe |
| PID 2800 set thread context of 444 | N/A | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe
"C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe"
C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe
"C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\1165bd64-e9b1-416c-8aec-766984f9cf96" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe
"C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe
"C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe" --Admin IsNotAutoStart IsNotTask
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4088,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.2ip.ua | udp |
| US | 188.114.96.2:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.96.114.188.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.169.217.172.in-addr.arpa | udp |
| US | 188.114.96.2:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | sdfjhuz.com | udp |
| US | 8.8.8.8:53 | cajgtus.com | udp |
| IR | 217.219.131.81:80 | cajgtus.com | tcp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| MA | 154.144.253.197:80 | sdfjhuz.com | tcp |
| IR | 217.219.131.81:80 | cajgtus.com | tcp |
| NL | 23.62.61.99:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 81.131.219.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.253.144.154.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.61.62.23.in-addr.arpa | udp |
| IR | 217.219.131.81:80 | cajgtus.com | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| IR | 217.219.131.81:80 | cajgtus.com | tcp |
| NL | 52.142.223.178:80 | tcp | |
| IR | 217.219.131.81:80 | cajgtus.com | tcp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/1056-1-0x0000000004940000-0x00000000049D5000-memory.dmp
memory/1056-2-0x0000000004AA0000-0x0000000004BBB000-memory.dmp
memory/1020-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1020-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1020-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1020-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\1165bd64-e9b1-416c-8aec-766984f9cf96\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe
| MD5 | f47cff4805227d54842556b0bddaaf7e |
| SHA1 | f734391825c9028127d49fd00dcfcc24aa801eaa |
| SHA256 | 3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19 |
| SHA512 | 369af8e8e589126accc108c5e86484ce71d57646b2a7ee436cc2a1a0d71ca57422681590300215b4606306d5f9df6e1264c7ec8d87da8ccf12f8054a67f8964b |
memory/1020-17-0x0000000000400000-0x0000000000537000-memory.dmp
memory/444-20-0x0000000000400000-0x0000000000537000-memory.dmp
memory/444-22-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 6728aea2631b86a76c237508d8ba9b55 |
| SHA1 | 7a670f95cac088313f7558869162fe01c6dc0ec9 |
| SHA256 | e1dd7380c6df33cd5702b032e0e359029d3ef7630f06ceb42cfdc154fd0baf7b |
| SHA512 | 533080cd1ec40b8530cad5c9914e0a5156d225f7392283ed2607eda4f1db4a6930002274060ed9130a6f634222c2e15818e16a50579cfe7f5274d028d31212f5 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
| MD5 | 8202a1cd02e7d69597995cabbe881a12 |
| SHA1 | 8858d9d934b7aa9330ee73de6c476acf19929ff6 |
| SHA256 | 58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5 |
| SHA512 | 97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
| MD5 | 077b021d03335a7e233377766c4e97aa |
| SHA1 | 8be9bed088ffcfc2d12d8b2247d8d73d09e91034 |
| SHA256 | f72c08d5c0097839018b863e63023f98789a9fc5f32728d8434bc112717b6907 |
| SHA512 | 5b240557b3738a9b05c55231066b0384fd5099bfd8ba6d0789845fc7aaab0375c9492fdd09bc36fe5b6e136ef423ad8c9bbc11ffd10b392e885eeb47d26fad41 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | f3dc1d7791baccc6291802b8f9d0991d |
| SHA1 | 038ca35f7d86b8cc6275dcfae96966807625c78a |
| SHA256 | 40779d5f251e941d71bd92a992552462ecc9fdfffe60347743168883864a66ef |
| SHA512 | be773163d4437e373d347e8d1aa1cdfe822da997c75d4c4dcd5d3d7ae08dd6a38cd2e8c935fe563b068485d710889b599bdf19c4284ecc75fd8904f025156eae |
memory/444-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/444-28-0x0000000000400000-0x0000000000537000-memory.dmp
memory/444-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/444-32-0x0000000000400000-0x0000000000537000-memory.dmp
memory/444-35-0x0000000000400000-0x0000000000537000-memory.dmp
memory/444-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/444-36-0x0000000000400000-0x0000000000537000-memory.dmp
memory/444-37-0x0000000000400000-0x0000000000537000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 12:52
Reported
2024-05-22 12:55
Platform
win11-20240419-en
Max time kernel
147s
Max time network
152s
Command Line
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Djvu Ransomware
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\64bd9f41-c87d-49b3-ad36-947ab7b564a5\\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe | N/A |
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 2056 set thread context of 4972 | N/A | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe |
| PID 2384 set thread context of 2688 | N/A | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe | C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe
"C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe"
C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe
"C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\64bd9f41-c87d-49b3-ad36-947ab7b564a5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe
"C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe
"C:\Users\Admin\AppData\Local\Temp\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe" --Admin IsNotAutoStart IsNotTask
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.2ip.ua | udp |
| US | 172.67.139.220:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | 220.139.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.169.217.172.in-addr.arpa | udp |
| US | 172.67.139.220:443 | api.2ip.ua | tcp |
| AR | 200.45.93.45:80 | sdfjhuz.com | tcp |
| MK | 95.86.30.3:80 | cajgtus.com | tcp |
| MK | 95.86.30.3:80 | cajgtus.com | tcp |
| MK | 95.86.30.3:80 | cajgtus.com | tcp |
| MK | 95.86.30.3:80 | cajgtus.com | tcp |
| MK | 95.86.30.3:80 | cajgtus.com | tcp |
Files
memory/2056-1-0x0000000004AA0000-0x0000000004B3F000-memory.dmp
memory/2056-2-0x0000000004B40000-0x0000000004C5B000-memory.dmp
memory/4972-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4972-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4972-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4972-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\64bd9f41-c87d-49b3-ad36-947ab7b564a5\3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19.exe
| MD5 | f47cff4805227d54842556b0bddaaf7e |
| SHA1 | f734391825c9028127d49fd00dcfcc24aa801eaa |
| SHA256 | 3a2093b715f42abed73e4fa37d3c58d1bb0cd6f4767ae096f43518e1b168cb19 |
| SHA512 | 369af8e8e589126accc108c5e86484ce71d57646b2a7ee436cc2a1a0d71ca57422681590300215b4606306d5f9df6e1264c7ec8d87da8ccf12f8054a67f8964b |
memory/4972-19-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2688-22-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
| MD5 | 8202a1cd02e7d69597995cabbe881a12 |
| SHA1 | 8858d9d934b7aa9330ee73de6c476acf19929ff6 |
| SHA256 | 58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5 |
| SHA512 | 97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
| MD5 | 7d295fa1e3fc8098b3a54410b95c1b08 |
| SHA1 | c44c3152a223930438e2ab1c80b762c383c52a98 |
| SHA256 | c61b6fb42325a0a551c4891a4ddd671aef06279e6efce7be2e413ba8309fa43b |
| SHA512 | 4b1ca6c4464e1fdadc3b97b06792ba04c468e70393c7b22f659d02c681f4343bb664ff64aa263ff82fac3d976f6414b1a9b66140db05c2fb92d1c6c65b0bb645 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 6728aea2631b86a76c237508d8ba9b55 |
| SHA1 | 7a670f95cac088313f7558869162fe01c6dc0ec9 |
| SHA256 | e1dd7380c6df33cd5702b032e0e359029d3ef7630f06ceb42cfdc154fd0baf7b |
| SHA512 | 533080cd1ec40b8530cad5c9914e0a5156d225f7392283ed2607eda4f1db4a6930002274060ed9130a6f634222c2e15818e16a50579cfe7f5274d028d31212f5 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 81da269685182ec315099e52a04e5191 |
| SHA1 | 5cdac3a74f850e8fb7a978e1c44a892d9dc7f6a4 |
| SHA256 | 703f84c609ff2f0f9412025ba286ec108aad3048801838d5fcc93240d91855b0 |
| SHA512 | 2e3e5a15185942ace7819ce2785b23778eb6b5a0ccd9511deec46b95ec09e8fb6b800a74229e75d29ce94086a6a377b27002d06034965b007c262c75a703f42b |
memory/2688-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2688-28-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2688-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2688-31-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2688-33-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2688-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2688-35-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2688-37-0x0000000000400000-0x0000000000537000-memory.dmp