Analysis Overview
SHA256
235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d
Threat Level: Known bad
The file 235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d was found to be: Known bad.
Malicious Activity Summary
Detected Djvu ransomware
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
2024-04-09 09:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-09 09:26
Reported
2024-04-09 09:28
Platform
win10v2004-20240226-en
Max time kernel
142s
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
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\7b7a6805-12d1-45c2-a39e-612452f0ec2a\\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.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 3848 set thread context of 2736 | N/A | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe |
| PID 4084 set thread context of 1856 | N/A | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe
"C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe"
C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe
"C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\7b7a6805-12d1-45c2-a39e-612452f0ec2a" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe
"C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe
"C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 220.139.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.180.250.142.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 | sdfjhuz.com | tcp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| PK | 175.107.202.43:80 | sajdfue.com | tcp |
| PK | 175.107.202.43:80 | sajdfue.com | tcp |
| US | 8.8.8.8:53 | 65.141.152.93.in-addr.arpa | udp |
| MX | 189.146.135.235:80 | sajdfue.com | tcp |
| MX | 189.146.135.235:80 | sajdfue.com | tcp |
| US | 8.8.8.8:53 | 235.135.146.189.in-addr.arpa | udp |
| MX | 189.146.135.235:80 | sajdfue.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| MX | 189.146.135.235:80 | sajdfue.com | tcp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| MX | 189.146.135.235:80 | sajdfue.com | tcp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/3848-1-0x00000000049A0000-0x0000000004A36000-memory.dmp
memory/3848-2-0x0000000004A40000-0x0000000004B5B000-memory.dmp
memory/2736-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2736-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2736-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2736-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\7b7a6805-12d1-45c2-a39e-612452f0ec2a\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe
| MD5 | ee8058320fb4a8fb8246a79f2bdc6201 |
| SHA1 | 97cc9afb26cc57eb82daa74319aaa8375175ff05 |
| SHA256 | 235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d |
| SHA512 | 6a1b7cfc6a617a4cb9797cf4ee7791c5bb30ad8156683080e7fad00474d61fb8b1392bdfde658953d44cc41aeddfbab5ce836fc8b6b4ddae24064462942f8028 |
memory/2736-17-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4084-20-0x0000000002F10000-0x0000000002FA3000-memory.dmp
memory/1856-22-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1856-23-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1856-24-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | b715790f51f0d2733b82e94647b9b91c |
| SHA1 | 1bbc5dbd2877eee1945160cb0e7310cd6ca98071 |
| SHA256 | 005e81e16fa80f4f5559c8d6245ac120ed0e8c1b6fb89b491a8386810ec5c44c |
| SHA512 | 59fbe9a43e4b82dfb26b4ae99ca1d40c2810a153034279275f0ceaf6fff1db59342cff6b86349b84c317abbadc041415c503c01015334b10e7c0c91c08ef9082 |
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\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | fc5408c48a55314c72e200b74330cac4 |
| SHA1 | 7e8889ec3189a40e6078088927bf3612753fa628 |
| SHA256 | 7ea2a016d97635b1367455af2250cbf9e9c34d293829d11fc21ce905347590c4 |
| SHA512 | 481753ef755c188012919ea728ea0395f22b6ce83f2f9a11675be6072f154db141b2382dc62ad7c3c95e36596529176a66f40e3d118cf0e33ea8e6f716ae1d77 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
| MD5 | 16ce98ddfa8f4d2a88a765f789546876 |
| SHA1 | 5f817515731de00def0a79f80695b537553db161 |
| SHA256 | 11452f53930eb6f5acc9987fce6115b36ed905092c1f33671a488be3eb877285 |
| SHA512 | c9edab4969ac78da2388685a59dd6eae3e99d38ce81631bf69ae02dc9aedb081dc7d6a230c440f0be0760fe98cb2a21679b95c1864b74a5b807cc6c1d5accc6e |
memory/1856-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1856-30-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1856-31-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1856-33-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1856-36-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1856-38-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1856-39-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1856-40-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1856-41-0x0000000000400000-0x0000000000537000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-09 09:26
Reported
2024-04-09 09:28
Platform
win11-20240221-en
Max time kernel
149s
Max time network
150s
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-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\dd539935-a01b-42b2-97a3-97d65db79804\\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.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 1236 set thread context of 2008 | N/A | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe |
| PID 2964 set thread context of 3852 | N/A | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe | C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe
"C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe"
C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe
"C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\dd539935-a01b-42b2-97a3-97d65db79804" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe
"C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe
"C:\Users\Admin\AppData\Local\Temp\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.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 | 24.65.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.180.250.142.in-addr.arpa | udp |
| US | 104.21.65.24:443 | api.2ip.ua | tcp |
| CO | 181.55.190.201:80 | sdfjhuz.com | tcp |
| KW | 62.150.232.50:80 | sajdfue.com | tcp |
| KW | 62.150.232.50:80 | sajdfue.com | tcp |
| KW | 62.150.232.50:80 | sajdfue.com | tcp |
| KW | 62.150.232.50:80 | sajdfue.com | tcp |
| KW | 62.150.232.50:80 | sajdfue.com | tcp |
Files
memory/1236-1-0x0000000004AA0000-0x0000000004B3C000-memory.dmp
memory/1236-2-0x0000000004B40000-0x0000000004C5B000-memory.dmp
memory/2008-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2008-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2008-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2008-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\dd539935-a01b-42b2-97a3-97d65db79804\235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d.exe
| MD5 | ee8058320fb4a8fb8246a79f2bdc6201 |
| SHA1 | 97cc9afb26cc57eb82daa74319aaa8375175ff05 |
| SHA256 | 235de559e03d9801d51c0fb033284e3a74ede0fbc24d9a064a35af879f64ff3d |
| SHA512 | 6a1b7cfc6a617a4cb9797cf4ee7791c5bb30ad8156683080e7fad00474d61fb8b1392bdfde658953d44cc41aeddfbab5ce836fc8b6b4ddae24064462942f8028 |
memory/2008-17-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2964-20-0x0000000004960000-0x0000000004A01000-memory.dmp
memory/3852-22-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3852-23-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3852-24-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | c264f9609a6390410c90b229e5c59d34 |
| SHA1 | 7bc9a205f902109484500954f3e7b2de607505f0 |
| SHA256 | 4090768f0208db163f0591813d7e3bd61b7a9243fb92a7469f3bab140e621159 |
| SHA512 | f96f9688b90d2343375d6553fe2d681076846fe691f625f0a9bf8f5b9d19d03575e29b41024c5e33937e58412283df24df0887a401698018b9e136f538dc8ab8 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | fc5408c48a55314c72e200b74330cac4 |
| SHA1 | 7e8889ec3189a40e6078088927bf3612753fa628 |
| SHA256 | 7ea2a016d97635b1367455af2250cbf9e9c34d293829d11fc21ce905347590c4 |
| SHA512 | 481753ef755c188012919ea728ea0395f22b6ce83f2f9a11675be6072f154db141b2382dc62ad7c3c95e36596529176a66f40e3d118cf0e33ea8e6f716ae1d77 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
| MD5 | 1c194023f0858da443d5ee0fd628df5e |
| SHA1 | 59b06cd1036a2e26d93e1961fceddb921a9f2927 |
| SHA256 | 80ea6b0b8d354424266933acd66eb69219fe3606d38f17b7d4f59c9cf3c741e8 |
| SHA512 | 1e9a26b85793cbe52327e2603ea54cd517dddb0ce11eb5e680206e046f645a3567f7f67acbfcd5bd60863b8fa60a4e15d63b7ac65eb5328b7df23a6e498fbe77 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
| MD5 | 8202a1cd02e7d69597995cabbe881a12 |
| SHA1 | 8858d9d934b7aa9330ee73de6c476acf19929ff6 |
| SHA256 | 58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5 |
| SHA512 | 97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9 |
memory/3852-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3852-30-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3852-31-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3852-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3852-36-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3852-37-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3852-38-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3852-39-0x0000000000400000-0x0000000000537000-memory.dmp