Analysis Overview
SHA256
e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca
Threat Level: Known bad
The file e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca 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
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-09 05:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-09 05:46
Reported
2024-04-09 05:48
Platform
win10v2004-20240226-en
Max time kernel
146s
Max time network
154s
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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\ce270310-9846-45f1-8119-8869ddda851b\\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.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 4312 set thread context of 2528 | N/A | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe |
| PID 4160 set thread context of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe"
C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\ce270310-9846-45f1-8119-8869ddda851b" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe" --Admin IsNotAutoStart IsNotTask
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.2ip.ua | udp |
| US | 104.21.65.24:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.65.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.180.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 104.21.65.24:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | sdfjhuz.com | udp |
| US | 8.8.8.8:53 | sajdfue.com | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| AR | 190.195.60.212:80 | sajdfue.com | tcp |
| KR | 211.119.84.111:80 | sdfjhuz.com | tcp |
| AR | 190.195.60.212:80 | sajdfue.com | tcp |
| US | 8.8.8.8:53 | 212.60.195.190.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 111.84.119.211.in-addr.arpa | udp |
| AR | 190.195.60.212:80 | sajdfue.com | tcp |
| AR | 190.195.60.212:80 | sajdfue.com | tcp |
| AR | 190.195.60.212:80 | sajdfue.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
memory/4312-1-0x0000000004A00000-0x0000000004A99000-memory.dmp
memory/4312-2-0x0000000004AA0000-0x0000000004BBB000-memory.dmp
memory/2528-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2528-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2528-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2528-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\ce270310-9846-45f1-8119-8869ddda851b\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
| MD5 | 1c020d417d5549c596a13af5dfb7710a |
| SHA1 | d1f64d8ca15f630ecedd0c0a9d029c92bdd9e9f3 |
| SHA256 | e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca |
| SHA512 | 28c2f404ebeaf893fe59bb8dbc61784b7c9fd844b9f93ec68ec3ffdfe04089bca4b920440c0d1ba0a9b930c1343e3b53f9ab8bfab8c333556f9189f1ed9077ff |
memory/2528-16-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4160-18-0x0000000002F10000-0x0000000002FAD000-memory.dmp
memory/2596-20-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2596-21-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2596-22-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | f2cc36bbd15dd79e10a87a86c6fc1f58 |
| SHA1 | 92e40906df698b5c151897186c2c6ba9d4d1910f |
| SHA256 | 6347ac203269f34d0127b483c2e8bba965c58d53a19aa9c7dee402fce9b8bcf2 |
| SHA512 | aaa97d375d19427ea85fa77e3105f4f79025d62a928b4702133d428322061d2dff2a0353f918bb365c8a3fbb9a8e198778848e2c3bb701a09c3d790da5e5fbc6 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 580071ebd24cccfd9268e1474bb8134e |
| SHA1 | 443665efe7009fe1d4c5bc4786dc9cc540e59ef6 |
| SHA256 | 53e3fd53196b53d23b724612cf2704518edf3e979dca02f5674ac419b5f7b461 |
| SHA512 | 13d52455d8a30a0af06c420cd01f13f55efc4c55b59883c5208bf4929352e7b783557bff6a157c4fc71a8e7cbfadf00d55eef8ebef4b984624d8feb116a960a4 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
| MD5 | 63ad7a39cf5c9671df82c6d294b49259 |
| SHA1 | 5a4fbf8665e50a950a316be61db0d5fe2b440b73 |
| SHA256 | ad8742287e7c3f3ef8c6e0da37df3c0b415a9044cde1d4ad0ac5bb439008444f |
| SHA512 | 3c729ff31a789eac4ca13e4afb803a1aeb8740d8fe4f734220a043e7ef3933137bfdba1eaafd4195415ffb3b56b7357e2c081d7414bf7ea991e45ef015d3905c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
| MD5 | 8202a1cd02e7d69597995cabbe881a12 |
| SHA1 | 8858d9d934b7aa9330ee73de6c476acf19929ff6 |
| SHA256 | 58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5 |
| SHA512 | 97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9 |
memory/2596-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2596-28-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2596-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2596-32-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2596-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2596-35-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2596-36-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2596-37-0x0000000000400000-0x0000000000537000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-09 05:46
Reported
2024-04-09 05:48
Platform
win11-20240319-en
Max time kernel
150s
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-1-5-21-1233663403-1277323514-675434005-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\30317f4b-fb11-4721-9c67-ab8456b0098a\\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.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 3136 set thread context of 3560 | N/A | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe |
| PID 808 set thread context of 2076 | N/A | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe | C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe"
C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\30317f4b-fb11-4721-9c67-ab8456b0098a" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe" --Admin IsNotAutoStart IsNotTask
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.2ip.ua | udp |
| US | 104.21.65.24:443 | api.2ip.ua | tcp |
| US | 104.21.65.24:443 | api.2ip.ua | tcp |
| MX | 187.143.46.11:80 | sdfjhuz.com | tcp |
| AR | 200.45.93.45:80 | sajdfue.com | tcp |
| AR | 200.45.93.45:80 | sajdfue.com | tcp |
| AR | 200.45.93.45:80 | sajdfue.com | tcp |
| AR | 200.45.93.45:80 | sajdfue.com | tcp |
| AR | 200.45.93.45:80 | sajdfue.com | tcp |
Files
memory/3136-1-0x0000000004BE0000-0x0000000004C81000-memory.dmp
memory/3136-2-0x0000000004C90000-0x0000000004DAB000-memory.dmp
memory/3560-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3560-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3560-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3560-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\30317f4b-fb11-4721-9c67-ab8456b0098a\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
| MD5 | 1c020d417d5549c596a13af5dfb7710a |
| SHA1 | d1f64d8ca15f630ecedd0c0a9d029c92bdd9e9f3 |
| SHA256 | e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca |
| SHA512 | 28c2f404ebeaf893fe59bb8dbc61784b7c9fd844b9f93ec68ec3ffdfe04089bca4b920440c0d1ba0a9b930c1343e3b53f9ab8bfab8c333556f9189f1ed9077ff |
memory/3560-17-0x0000000000400000-0x0000000000537000-memory.dmp
memory/808-20-0x0000000004B10000-0x0000000004BAE000-memory.dmp
memory/2076-22-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2076-23-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2076-24-0x0000000000400000-0x0000000000537000-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 | 65578eaa8bbb5c411d4830e825febee6 |
| SHA1 | 856eb7f23a84e27a2d7203fb3db11d9be62c9875 |
| SHA256 | e2d57dd9b033674f58fedc33f1be282184dcb5064bfbd6108be701d891fd40fc |
| SHA512 | 6af5b5da7b557fd87e702b6ebe77373cf1570203f00316e84d89cc7a9d0f3ef2a8e72e552f8126e78cb004c8ecc71cd6d59afe874331cbe8382ade6e323654b3 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 580071ebd24cccfd9268e1474bb8134e |
| SHA1 | 443665efe7009fe1d4c5bc4786dc9cc540e59ef6 |
| SHA256 | 53e3fd53196b53d23b724612cf2704518edf3e979dca02f5674ac419b5f7b461 |
| SHA512 | 13d52455d8a30a0af06c420cd01f13f55efc4c55b59883c5208bf4929352e7b783557bff6a157c4fc71a8e7cbfadf00d55eef8ebef4b984624d8feb116a960a4 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 6ea20bc0fc2c3e3bb425c61c7d9967b2 |
| SHA1 | db12abdb193aef1a9ff41d5cf118972b247ea2e2 |
| SHA256 | 82c3805dea47ea6f81327c67223c8d046932d8b69d023f4be2f82402636cbfad |
| SHA512 | a71b859abf6e2c04b8afc8750e6b376799942373f3e6b10269310cca3280ada1fce8458e774b3bac14c8daead7b1e9e550b95dc7cbcf11e7e73bd9647156ab49 |
memory/2076-30-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2076-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2076-31-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2076-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2076-37-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2076-36-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2076-38-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2076-39-0x0000000000400000-0x0000000000537000-memory.dmp