Analysis Overview
SHA256
2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d
Threat Level: Known bad
The file 2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d 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
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-22 07:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 07:20
Reported
2024-05-22 07:22
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
155s
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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.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-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\6e08f92e-b821-4748-9900-988d547f3bef\\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.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 3608 set thread context of 428 | N/A | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe |
| PID 3656 set thread context of 5100 | N/A | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe
"C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe"
C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe
"C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\6e08f92e-b821-4748-9900-988d547f3bef" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe
"C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe
"C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe" --Admin IsNotAutoStart IsNotTask
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.2ip.ua | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 104.21.65.24:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.65.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.169.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 | cajgtus.com | udp |
| BR | 189.61.54.32:80 | cajgtus.com | tcp |
| TR | 88.225.215.104:80 | sdfjhuz.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| BR | 189.61.54.32:80 | cajgtus.com | tcp |
| US | 8.8.8.8:53 | 104.215.225.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.54.61.189.in-addr.arpa | udp |
| BR | 189.61.54.32:80 | cajgtus.com | tcp |
| BR | 189.61.54.32:80 | cajgtus.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| BR | 189.61.54.32:80 | cajgtus.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.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 |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.179.89.13.in-addr.arpa | udp |
Files
memory/3608-1-0x0000000004920000-0x00000000049B6000-memory.dmp
memory/428-2-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3608-4-0x0000000004A70000-0x0000000004B8B000-memory.dmp
memory/428-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/428-6-0x0000000000400000-0x0000000000537000-memory.dmp
memory/428-5-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\6e08f92e-b821-4748-9900-988d547f3bef\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe
| MD5 | e6ef999725d74157da2a50696d30db78 |
| SHA1 | 1c87613f9d25fc1d2cb1c53c2149c032c8622436 |
| SHA256 | 2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d |
| SHA512 | 0219f8c142821d06cea4b717d387a3c2b84c1da1f2161bd8bcbb16ef5b79e77b9bdb3fc9d527a639d601c6aedc9ff6e1aad664bfb9e9757081958811a5ee2e11 |
memory/428-17-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5100-20-0x0000000000400000-0x0000000000537000-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 | b85d909c81a55fdbb3d34f5e16969506 |
| SHA1 | 9694c875fbf43ebbd348affe5b9f45a4e63ed992 |
| SHA256 | aefc119def303a0d4ae92a29b69322f7799532cb2c11488ad42942ccaf3e626b |
| SHA512 | 4ac0456b02dc346636fca9047128732ae1451bfa2698da5a5dd54e9e1c3787de717cd76745d2ee133f91dc7ba7a885cf3eddf519d7e63ecd8c34f06dd9e336a7 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 195fc28150bef9b30510eed36fb325af |
| SHA1 | 1ea8a314d8af1d431b77d5280d1782e9a8e867c6 |
| SHA256 | 5c2e51ccf5767f80257a0a0bb66dee40957e5379431e15a118e7f1343ad1f6e0 |
| SHA512 | 537da7e46d8b5afc796c1908042088c583c5380fb729f3665845fe36286b3efeaec9fa26475e9c2263f55b1eca04bd7ae26088a9a85950b2b7f750fd24eadcfc |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | f3d1100b42e53933ca3c4d959a0f0a37 |
| SHA1 | f8024f14a2eb264a12bbcf4ac564c063dfbbd5d7 |
| SHA256 | 22aab6e8c7e526f79540f001b1253508ae6a045248b09c6ba4a112380617face |
| SHA512 | 1174c8969034790387a78c60ad2e88ff501d2f7734ea45a5c8fb3c6f23a77108b2474a7c41aba0dc418c02e57b0d412a9adda5de5cf687077015377d08139755 |
memory/5100-25-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5100-26-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5100-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5100-30-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5100-32-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5100-33-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5100-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5100-35-0x0000000000400000-0x0000000000537000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 07:20
Reported
2024-05-22 07:22
Platform
win11-20240508-en
Max time kernel
146s
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-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\b6b277c1-fb4b-4ed4-8f0b-137351a49816\\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.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 3056 set thread context of 5008 | N/A | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe |
| PID 3932 set thread context of 412 | N/A | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe | C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe
"C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe"
C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe
"C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\b6b277c1-fb4b-4ed4-8f0b-137351a49816" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe
"C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe
"C:\Users\Admin\AppData\Local\Temp\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.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 | 172.210.232.199.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 |
| MX | 187.199.150.21:80 | cajgtus.com | tcp |
| MX | 187.199.150.21:80 | cajgtus.com | tcp |
| MX | 187.199.150.21:80 | cajgtus.com | tcp |
| MX | 187.199.150.21:80 | cajgtus.com | tcp |
| MX | 187.199.150.21:80 | cajgtus.com | tcp |
| MX | 187.199.150.21:80 | cajgtus.com | tcp |
Files
memory/3056-1-0x0000000004A50000-0x0000000004AE6000-memory.dmp
memory/5008-2-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3056-4-0x0000000004AF0000-0x0000000004C0B000-memory.dmp
memory/5008-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5008-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5008-6-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\Local\b6b277c1-fb4b-4ed4-8f0b-137351a49816\2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d.exe
| MD5 | e6ef999725d74157da2a50696d30db78 |
| SHA1 | 1c87613f9d25fc1d2cb1c53c2149c032c8622436 |
| SHA256 | 2c01d80246365b0edf490a8417303cb4263a2ddf10830a2a26a7455ce4ba1e8d |
| SHA512 | 0219f8c142821d06cea4b717d387a3c2b84c1da1f2161bd8bcbb16ef5b79e77b9bdb3fc9d527a639d601c6aedc9ff6e1aad664bfb9e9757081958811a5ee2e11 |
memory/5008-19-0x0000000000400000-0x0000000000537000-memory.dmp
memory/412-22-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
| MD5 | fa048d5434a6be56d4634500edbc5d97 |
| SHA1 | fcc1e949151529dd63905d4413ca541405894823 |
| SHA256 | ead252dc91d567e145974bac45078cf5124cf72642fa97b27d8d9f4bbf68bb36 |
| SHA512 | 551afaf80a721a1d45b6c7e94bdd0c1ba08f4958cb8d6985998feb975cd5dc57d08577a0e451b71a40eea48447025781e72a0470f658e29a6e940595b1566472 |
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 | 195fc28150bef9b30510eed36fb325af |
| SHA1 | 1ea8a314d8af1d431b77d5280d1782e9a8e867c6 |
| SHA256 | 5c2e51ccf5767f80257a0a0bb66dee40957e5379431e15a118e7f1343ad1f6e0 |
| SHA512 | 537da7e46d8b5afc796c1908042088c583c5380fb729f3665845fe36286b3efeaec9fa26475e9c2263f55b1eca04bd7ae26088a9a85950b2b7f750fd24eadcfc |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
| MD5 | 5e30e3a98c4e4f9e402fb647a18fffac |
| SHA1 | dcfcfbc61ab903a524b2a127b9ba4ff54cf8b37a |
| SHA256 | 87dfeeb139de09ff4f4179e48d75a50cd2196c6172e69f64eb95bd5437b4cfcc |
| SHA512 | 6a5138a939d6f5f475dd2f8d0c1bc3ba58a63e2528b4281bfc1aa614f7060e34c273c77661b33fd1a58b1fd44d5510dc63ed392363612d9f2dbc8c483f07d35f |
memory/412-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/412-28-0x0000000000400000-0x0000000000537000-memory.dmp
memory/412-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/412-32-0x0000000000400000-0x0000000000537000-memory.dmp
memory/412-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/412-35-0x0000000000400000-0x0000000000537000-memory.dmp
memory/412-36-0x0000000000400000-0x0000000000537000-memory.dmp
memory/412-37-0x0000000000400000-0x0000000000537000-memory.dmp