Analysis Overview
SHA256
17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7
Threat Level: Known bad
The file 17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7 was found to be: Known bad.
Malicious Activity Summary
Djvu Ransomware
Detected Djvu ransomware
Checks computer location settings
Modifies file permissions
Adds Run key to start application
Looks up external IP address via web service
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-15 20:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-15 20:10
Reported
2024-04-15 20:13
Platform
win10v2004-20240412-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
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.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-1-5-21-553605503-2331009851-2137262461-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\042c1366-6bec-4955-8554-bb800766d376\\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.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 4980 set thread context of 936 | N/A | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe |
| PID 1228 set thread context of 3520 | N/A | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe
"C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe"
C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe
"C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\042c1366-6bec-4955-8554-bb800766d376" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe
"C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe
"C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe" --Admin IsNotAutoStart IsNotTask
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| 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 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 220.139.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.180.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 163.233.34.23.in-addr.arpa | udp |
| US | 172.67.139.220:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | sdfjhuz.com | udp |
| US | 8.8.8.8:53 | sajdfue.com | udp |
| BG | 93.152.141.65:80 | sajdfue.com | tcp |
| KR | 211.171.233.129:80 | sajdfue.com | tcp |
| US | 8.8.8.8:53 | 65.141.152.93.in-addr.arpa | udp |
| BG | 93.152.141.65:80 | sajdfue.com | tcp |
| US | 8.8.8.8:53 | 129.233.171.211.in-addr.arpa | udp |
| BG | 93.152.141.65:80 | sajdfue.com | tcp |
| BG | 93.152.141.65:80 | sajdfue.com | tcp |
| BG | 93.152.141.65:80 | sajdfue.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 169.117.168.52.in-addr.arpa | udp |
Files
memory/4980-1-0x0000000002F50000-0x0000000002FEA000-memory.dmp
memory/4980-2-0x0000000004B90000-0x0000000004CAB000-memory.dmp
memory/936-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/936-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/936-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/936-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\042c1366-6bec-4955-8554-bb800766d376\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe
| MD5 | ee36df0a7d9721de85b8349377f67369 |
| SHA1 | 18cd0b6d418a197201aedba334f0eab4e1be3723 |
| SHA256 | 17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7 |
| SHA512 | a10b87ce926318bb45a3f2a2fc5eb1ad54e23b1da9d2928442738a1faff61bda891f1fbef69d47bde2b81ba0a39080bba8d2567231e6d5657ca923f725b5c84e |
memory/936-15-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1228-18-0x0000000003080000-0x000000000311C000-memory.dmp
memory/3520-20-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3520-21-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3520-22-0x0000000000400000-0x0000000000537000-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 | 0cab1308acd4b5080e455f1fa8642f19 |
| SHA1 | daee820d6bdc2b8dfdc42b7d0986e8855bb93e46 |
| SHA256 | 2c811f267d39ec944303497fb04a2e97a50b4c01ea3e9ef275fb4e1001477a18 |
| SHA512 | 5d67941dfedefc2f8f2241c974c306207d0d0f2a9f7006918a4ca6643326b6f759fd5c83c9b18625e8ca85099f756dfd7a0839dba60a7211ffb5f609a91b982c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 3c6a98dff2c8e5d41183fb934602bccf |
| SHA1 | 389eea4f6c8b9a19dd6efd65b2c979feeb4262a7 |
| SHA256 | 8c5e90026091280487ae42d5c0f266528cacb6de18c7f3d693ecfdb547b06ac8 |
| SHA512 | fde8e5de812641dc896e8d8182dcf4244670e431f3310aba576f0f330a9d8a4221eb7513005e9755512d0c645cbf164c4c5f8872689d2e52a58b3f39668de8fd |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | fa398882c00ca809b161d17426ba53cd |
| SHA1 | 94ac7ecc9c57aa8715b38fcdf197b843a76dfcdc |
| SHA256 | 6e0a2f8b5254db0c41f78a676ef522dc7ad231bb85bc4c04a0d42178c3bb9f7e |
| SHA512 | 42b13b57acf3801e65c493613dad09e02fe87a295215fc58a1acbc95fc419e41f0010c6bc9e0539f36c770732e3d13e4183020d7f6c9af8c9cec1d14b218c8ca |
memory/3520-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3520-28-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3520-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3520-32-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3520-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3520-35-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3520-36-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3520-37-0x0000000000400000-0x0000000000537000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 20:10
Reported
2024-04-15 20:13
Platform
win11-20240412-en
Max time kernel
153s
Max time network
160s
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-1-5-21-825860316-2493133627-3905166409-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c69dc784-bafb-49c8-a502-bca4b7a562a9\\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.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 2612 set thread context of 2680 | N/A | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe |
| PID 3112 set thread context of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe | C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe
"C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe"
C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe
"C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\c69dc784-bafb-49c8-a502-bca4b7a562a9" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe
"C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe
"C:\Users\Admin\AppData\Local\Temp\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe" --Admin IsNotAutoStart IsNotTask
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 104.21.65.24:443 | api.2ip.ua | tcp |
| US | 104.21.65.24:443 | api.2ip.ua | tcp |
| MX | 189.232.19.193:80 | sajdfue.com | tcp |
| BG | 95.158.162.200:80 | sdfjhuz.com | tcp |
| MX | 189.232.19.193:80 | sajdfue.com | tcp |
| MX | 189.232.19.193:80 | sajdfue.com | tcp |
| MX | 189.232.19.193:80 | sajdfue.com | tcp |
| MX | 189.232.19.193:80 | sajdfue.com | tcp |
Files
memory/2612-1-0x0000000004C40000-0x0000000004CE0000-memory.dmp
memory/2612-2-0x0000000004CE0000-0x0000000004DFB000-memory.dmp
memory/2680-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2680-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2680-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2680-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\c69dc784-bafb-49c8-a502-bca4b7a562a9\17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7.exe
| MD5 | ee36df0a7d9721de85b8349377f67369 |
| SHA1 | 18cd0b6d418a197201aedba334f0eab4e1be3723 |
| SHA256 | 17e727162cf53ece1cc040d90840dfcc3d7dd2b5979979def35e1194045facd7 |
| SHA512 | a10b87ce926318bb45a3f2a2fc5eb1ad54e23b1da9d2928442738a1faff61bda891f1fbef69d47bde2b81ba0a39080bba8d2567231e6d5657ca923f725b5c84e |
memory/2680-15-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3112-18-0x0000000004AB0000-0x0000000004B4C000-memory.dmp
memory/2976-20-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-21-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-22-0x0000000000400000-0x0000000000537000-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 | cfbe320c23ee88abfd67493b796e5245 |
| SHA1 | 77fbb013324570ba8e2f11b64e58ee6df74735d5 |
| SHA256 | 8cc427bfc69ff233a888ce9851e8f6bd8df5ba1cc25514f6bac081a6417823c1 |
| SHA512 | d936e6ff0f537930faad890be0897a913545f583160c9886c91da1a0f4e2d94424bc017accc4bcebe9ff0ab124454907deee5e4202e91c855dfe6e67aafd1c35 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 3c6a98dff2c8e5d41183fb934602bccf |
| SHA1 | 389eea4f6c8b9a19dd6efd65b2c979feeb4262a7 |
| SHA256 | 8c5e90026091280487ae42d5c0f266528cacb6de18c7f3d693ecfdb547b06ac8 |
| SHA512 | fde8e5de812641dc896e8d8182dcf4244670e431f3310aba576f0f330a9d8a4221eb7513005e9755512d0c645cbf164c4c5f8872689d2e52a58b3f39668de8fd |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 3ccfdd600cd47e68bb29ccc645df19ad |
| SHA1 | 0286fa0a547236d2aea6ca8ec336341211a6d643 |
| SHA256 | ba0afb49d90eff2769fd2ff7d7aef0ae9c62a32ff7efd9d0c653aec1b795e803 |
| SHA512 | e4b6c4a82a01fab33eec004439bd67ae98003f7a0b632a83dd90d369ac9097ed3c2b735660baea3cb25ebcbf0ea2f2b764b58f19b6d0f4f2938319a162375287 |
memory/2976-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-28-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-32-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-35-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-36-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-37-0x0000000000400000-0x0000000000537000-memory.dmp