Analysis Overview
SHA256
2a6c90c8db27e6ac04c7e339dfe4b3c2d47a292bcf6fc1c5b4e0ae62fc81ff84
Threat Level: Known bad
The file 66d5df681876c_file010924.exe was found to be: Known bad.
Malicious Activity Summary
Detected Djvu ransomware
Djvu Ransomware
Modifies file permissions
Checks computer location settings
Looks up external IP address via web service
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-03 16:35
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-03 16:35
Reported
2024-09-03 16:38
Platform
win10-20240611-en
Max time kernel
149s
Max time network
136s
Command Line
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
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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-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\e3ddc1fc-c1f0-471a-916e-95800f3186e8\\66d5df681876c_file010924.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.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 3852 set thread context of 4508 | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe |
| PID 3264 set thread context of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\icacls.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe"
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\e3ddc1fc-c1f0-471a-916e-95800f3186e8" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.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 | 42.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.178.3:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 3.178.250.142.in-addr.arpa | udp |
| US | 172.67.139.220:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | cajgtus.com | udp |
| CO | 190.147.2.86:80 | cajgtus.com | tcp |
| US | 8.8.8.8:53 | 86.2.147.190.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 215.143.182.52.in-addr.arpa | udp |
Files
memory/3852-1-0x00000000022C0000-0x0000000002358000-memory.dmp
memory/3852-2-0x0000000002430000-0x000000000254B000-memory.dmp
memory/4508-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4508-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4508-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4508-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\e3ddc1fc-c1f0-471a-916e-95800f3186e8\66d5df681876c_file010924.exe
| MD5 | 7972b08246e568495d9d116fc2d0b159 |
| SHA1 | 3e12225494f08369858453fd9fc7481b4f788165 |
| SHA256 | 2a6c90c8db27e6ac04c7e339dfe4b3c2d47a292bcf6fc1c5b4e0ae62fc81ff84 |
| SHA512 | f0ead246f31d1badb3cd5fd67cb5b3081f027fdad44dd50364734d61722f1bc2cacb1ad5d842ca3f7000a2699e7bdf059a508b54a95f5e155ae274d70e833ff7 |
memory/4508-19-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3264-21-0x0000000000400000-0x000000000065D000-memory.dmp
memory/2932-23-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3264-25-0x0000000000400000-0x000000000065D000-memory.dmp
memory/2932-26-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2932-24-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
| MD5 | 971c514f84bba0785f80aa1c23edfd79 |
| SHA1 | 732acea710a87530c6b08ecdf32a110d254a54c8 |
| SHA256 | f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895 |
| SHA512 | 43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
| MD5 | d191af5a63810bb9a479241063fabfca |
| SHA1 | 9ec8d3843c222339ab6a102fa385aefbd5811ab0 |
| SHA256 | 4671ad1c9ab4b55c3807315da85ac52034a0251292b3c1347321dc7ea4ee1aac |
| SHA512 | 28aabfe85b1ad4d0ccc827e69a5d355dd311d8a6810947da4cd9ee366f2ca3ea43b78e9385043e47a2ff50050ca71e1513e01cdab559f6b9fa4e646f85176f37 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
| MD5 | 7fb5fa1534dcf77f2125b2403b30a0ee |
| SHA1 | 365d96812a69ac0a4611ea4b70a3f306576cc3ea |
| SHA256 | 33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f |
| SHA512 | a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
| MD5 | 10eef9a94054f22b1ad013052c99ecb1 |
| SHA1 | 47544aa2d43170071ede2d3ba1a940b02af175e0 |
| SHA256 | d97f52aac9d60c76298e4a0d4268818e78fc5283c14fdf68d0fc0eaca9809e1f |
| SHA512 | 7b7e7403f8085cbdb72b84caa0a8be587e5d564da2846fb883ea33fb582770451743748330331c3f042951bc247b96b8c911f8682093f60f685924e39561bead |
memory/2932-33-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2932-32-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2932-31-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2932-37-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2932-39-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2932-40-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2932-41-0x0000000000400000-0x0000000000537000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-03 16:35
Reported
2024-09-03 16:38
Platform
win7-20240903-en
Max time kernel
144s
Max time network
126s
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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\eaf9fa8d-735f-42a0-8130-9df6a73f5ae5\\66d5df681876c_file010924.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.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 2444 set thread context of 2448 | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe |
| PID 2904 set thread context of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\icacls.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe"
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\eaf9fa8d-735f-42a0-8130-9df6a73f5ae5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.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 | c.pki.goog | udp |
| GB | 142.250.178.3:80 | c.pki.goog | tcp |
| US | 104.21.65.24:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | cajgtus.com | udp |
| MK | 95.86.30.3:80 | cajgtus.com | tcp |
Files
memory/2444-0-0x0000000000220000-0x00000000002B1000-memory.dmp
memory/2444-1-0x0000000000220000-0x00000000002B1000-memory.dmp
memory/2448-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2444-6-0x0000000000220000-0x00000000002B1000-memory.dmp
memory/2444-4-0x0000000000870000-0x000000000098B000-memory.dmp
memory/2448-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2448-9-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2448-8-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\eaf9fa8d-735f-42a0-8130-9df6a73f5ae5\66d5df681876c_file010924.exe
| MD5 | 7972b08246e568495d9d116fc2d0b159 |
| SHA1 | 3e12225494f08369858453fd9fc7481b4f788165 |
| SHA256 | 2a6c90c8db27e6ac04c7e339dfe4b3c2d47a292bcf6fc1c5b4e0ae62fc81ff84 |
| SHA512 | f0ead246f31d1badb3cd5fd67cb5b3081f027fdad44dd50364734d61722f1bc2cacb1ad5d842ca3f7000a2699e7bdf059a508b54a95f5e155ae274d70e833ff7 |
memory/2448-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2904-28-0x0000000000340000-0x00000000003D1000-memory.dmp
memory/2904-29-0x0000000000400000-0x000000000065D000-memory.dmp
memory/2904-33-0x0000000000400000-0x000000000065D000-memory.dmp
memory/2776-35-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2776-36-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabCBD7.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
| MD5 | 971c514f84bba0785f80aa1c23edfd79 |
| SHA1 | 732acea710a87530c6b08ecdf32a110d254a54c8 |
| SHA256 | f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895 |
| SHA512 | 43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
| MD5 | a6865772dc48aa1ca2c4d2c2fca6811f |
| SHA1 | ca192593ae0ae99b25eba27ae747827ad00b4b9d |
| SHA256 | 836117908e071786620eb757042ef25dfcfaff0fd840c847b6ee746244acdb0d |
| SHA512 | faee6ee421ae8eac0ce1d14e10b3aa880cddc4fcd3bb9e183f47a249025ec49a634ae1e260374fbcca652ef920db03ab9d9a209d04fdd40ec93e91ba91de9244 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
| MD5 | 7fb5fa1534dcf77f2125b2403b30a0ee |
| SHA1 | 365d96812a69ac0a4611ea4b70a3f306576cc3ea |
| SHA256 | 33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f |
| SHA512 | a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
| MD5 | e9d806a698f79ec84f66dff5f5653d7a |
| SHA1 | 6c6befff52dc3076f014a8c9c79f539761d9b7eb |
| SHA256 | 23a5592595b7ff88bd0c9873a1099657cdd8a9a88b9fcff5d476c4a50ff89488 |
| SHA512 | 9c53733d807efe9f11a8d02e058f904fb5a641fadecc59157edc90ca0229db640324f47f308ecc7ea71a7e409a3b12ab3fcb796deb3f98d87c4f4bcd27cf8d11 |
memory/2776-48-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2776-49-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2776-57-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2776-56-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2776-54-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2776-58-0x0000000000400000-0x0000000000537000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-09-03 16:35
Reported
2024-09-03 16:38
Platform
win10v2004-20240802-en
Max time kernel
144s
Max time network
143s
Command Line
Signatures
Detected Djvu ransomware
| 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 |
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| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
Djvu Ransomware
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\163d97a3-6f83-46f8-8259-71431cbe2013\\66d5df681876c_file010924.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.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 752 set thread context of 2796 | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe |
| PID 4936 set thread context of 4620 | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\icacls.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe"
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\163d97a3-6f83-46f8-8259-71431cbe2013" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe" --Admin IsNotAutoStart IsNotTask
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.2ip.ua | udp |
| US | 188.114.96.0:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.178.3:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.96.114.188.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 188.114.96.0:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | cajgtus.com | udp |
| CO | 190.147.2.86:80 | cajgtus.com | tcp |
| US | 8.8.8.8:53 | 86.2.147.190.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
Files
memory/752-1-0x00000000023F0000-0x000000000248D000-memory.dmp
memory/752-2-0x0000000002490000-0x00000000025AB000-memory.dmp
memory/2796-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2796-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2796-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2796-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\163d97a3-6f83-46f8-8259-71431cbe2013\66d5df681876c_file010924.exe
| MD5 | 7972b08246e568495d9d116fc2d0b159 |
| SHA1 | 3e12225494f08369858453fd9fc7481b4f788165 |
| SHA256 | 2a6c90c8db27e6ac04c7e339dfe4b3c2d47a292bcf6fc1c5b4e0ae62fc81ff84 |
| SHA512 | f0ead246f31d1badb3cd5fd67cb5b3081f027fdad44dd50364734d61722f1bc2cacb1ad5d842ca3f7000a2699e7bdf059a508b54a95f5e155ae274d70e833ff7 |
memory/2796-17-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4936-19-0x0000000000400000-0x000000000065D000-memory.dmp
memory/4620-21-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4620-22-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4936-24-0x0000000000400000-0x000000000065D000-memory.dmp
memory/4620-23-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
| MD5 | 971c514f84bba0785f80aa1c23edfd79 |
| SHA1 | 732acea710a87530c6b08ecdf32a110d254a54c8 |
| SHA256 | f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895 |
| SHA512 | 43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
| MD5 | df83afedcd85f33fc3a957c95c7340bc |
| SHA1 | 1e77413bb6650a1566471184b02bf37b9aab681f |
| SHA256 | 3758080ef415df6d038e4a28ab6926638dd4e61cff3823159aa38292b1cfc964 |
| SHA512 | d34b94fd66ed65482eae69f054406ae489b0a6881cb6a97ae7f66f9d8a9234c6e347457080a203be3a1f6184c9f646b34d4e08adf3fd25bf03ff8b2bafc2e160 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
| MD5 | 7fb5fa1534dcf77f2125b2403b30a0ee |
| SHA1 | 365d96812a69ac0a4611ea4b70a3f306576cc3ea |
| SHA256 | 33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f |
| SHA512 | a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
| MD5 | 0cbe0c660128a69d6a48830ec85799dc |
| SHA1 | a81266601c56edf6b162817c2e9110a9dc1d2406 |
| SHA256 | 22b32dfce9f50b8305d0e92d1213aa01a128f9666097853a2a2c55e529a35781 |
| SHA512 | 308b36776879d8b2a09e74e823d1c757ce3972de3ac538e848e5e190c00391a2a56b6fdf2c1859c9ecc3897f5ee1e27cf55592e1cd909ff3c2e8063a7397037d |
memory/4620-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4620-31-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4620-30-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4620-35-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4620-38-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4620-37-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4620-39-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4620-40-0x0000000000400000-0x0000000000537000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-09-03 16:35
Reported
2024-09-03 16:38
Platform
win11-20240802-en
Max time kernel
147s
Max time network
151s
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-1-5-21-661032028-162657920-1226909816-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\9d3b1086-a7b1-4129-b48d-c1274a46c330\\66d5df681876c_file010924.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.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 792 set thread context of 2288 | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe |
| PID 2756 set thread context of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\icacls.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe"
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\9d3b1086-a7b1-4129-b48d-c1274a46c330" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.exe
"C:\Users\Admin\AppData\Local\Temp\66d5df681876c_file010924.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 |
| GB | 142.250.178.3:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 24.65.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.178.250.142.in-addr.arpa | udp |
| US | 104.21.65.24:443 | api.2ip.ua | tcp |
| BR | 186.233.231.45:80 | cajgtus.com | tcp |
Files
memory/792-2-0x0000000002490000-0x00000000025AB000-memory.dmp
memory/792-1-0x0000000002360000-0x0000000002401000-memory.dmp
memory/2288-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2288-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2288-6-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2288-5-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\9d3b1086-a7b1-4129-b48d-c1274a46c330\66d5df681876c_file010924.exe
| MD5 | 7972b08246e568495d9d116fc2d0b159 |
| SHA1 | 3e12225494f08369858453fd9fc7481b4f788165 |
| SHA256 | 2a6c90c8db27e6ac04c7e339dfe4b3c2d47a292bcf6fc1c5b4e0ae62fc81ff84 |
| SHA512 | f0ead246f31d1badb3cd5fd67cb5b3081f027fdad44dd50364734d61722f1bc2cacb1ad5d842ca3f7000a2699e7bdf059a508b54a95f5e155ae274d70e833ff7 |
memory/2288-19-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2576-24-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2756-23-0x0000000000400000-0x000000000065D000-memory.dmp
memory/2576-25-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2576-26-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2756-22-0x0000000000400000-0x000000000065D000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
| MD5 | 7fb5fa1534dcf77f2125b2403b30a0ee |
| SHA1 | 365d96812a69ac0a4611ea4b70a3f306576cc3ea |
| SHA256 | 33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f |
| SHA512 | a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
| MD5 | 971c514f84bba0785f80aa1c23edfd79 |
| SHA1 | 732acea710a87530c6b08ecdf32a110d254a54c8 |
| SHA256 | f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895 |
| SHA512 | 43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
| MD5 | 81ace7969cf2785baf7af370d8c39cbc |
| SHA1 | b2546e3eaadf24d96f35be5f1926bcd2abca009f |
| SHA256 | 7f007d1183f3b5e56ae0831b7818614a5bd5958be5d3d4eecdb05d5857645128 |
| SHA512 | 88247d8d659234c37ae14d53d6b7eac2a465ba669e8c937e4f02fd17881f9084767f66ec5ca72f1a754e02ade38f19b7dee3813d4a1933794965212d4dfe85bd |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
| MD5 | e511a7ab8251601365f967a615642d55 |
| SHA1 | 9f9922cd2b0986d4f9c7c55e263dc6e10ab3c06a |
| SHA256 | 8920ac93f19db32d73eaa747d9c127739505cf83590d680b6e71306810096421 |
| SHA512 | 704f954420c0d81964ecb6292156acaf10ad8f1f85e23fa8db7141e1328a4971f94cd0790cdf84e06a0f6f3ba5711ee09afb0044aa07fa4624375bf3384e4d83 |
memory/2576-31-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2576-32-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2576-33-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2576-37-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2576-40-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2576-39-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2576-41-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2576-42-0x0000000000400000-0x0000000000537000-memory.dmp