Analysis
-
max time kernel
141s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-10-2024 21:46
Static task
static1
Behavioral task
behavioral1
Sample
c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe
Resource
win10v2004-20241007-en
General
-
Target
c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe
-
Size
757KB
-
MD5
bd4d06f1e0139f61fed18f524e00ff59
-
SHA1
8a8cf66f6ecd4b4591ab7839e7865c55d287e760
-
SHA256
c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781
-
SHA512
ca3f80d45ed1f52f17f7b02827ff5e1a70d4cbe25274864fc5aa2445d0e77654feddaad8935e356eea5e043e2d71ec513daf3466df8030eac7c69aefc73f9fbb
-
SSDEEP
12288:QLMAH6P93Sr/C3XgEs4vkTZNt4Qtz+8rEL61rR9N0xUYsHF:PTPwr/CAbx/QL61tJYsl
Malware Config
Extracted
djvu
http://sajdfue.com/test2/get.php
-
extension
.bgzq
-
offline_id
Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1
-
payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
-
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0864PsawqS
Signatures
-
Detected Djvu ransomware 16 IoCs
Processes:
resource yara_rule behavioral2/memory/708-2-0x0000000005D70000-0x0000000005E8B000-memory.dmp family_djvu behavioral2/memory/1608-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1608-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1608-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1608-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1608-21-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5044-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5044-25-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5044-33-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5044-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5044-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5044-38-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5044-40-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5044-41-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5044-42-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5044-43-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe -
Modifies file permissions 1 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\46a5c5d8-e8b6-4799-9afd-51581e3e64d6\\c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe\" --AutoStart" c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 api.2ip.ua 4 api.2ip.ua 11 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exec4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exedescription pid process target process PID 708 set thread context of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 set thread context of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exec4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exec4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exec4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exeicacls.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exec4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exepid process 1608 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe 1608 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe 5044 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe 5044 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exec4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exec4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exedescription pid process target process PID 708 wrote to memory of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 708 wrote to memory of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 708 wrote to memory of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 708 wrote to memory of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 708 wrote to memory of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 708 wrote to memory of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 708 wrote to memory of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 708 wrote to memory of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 708 wrote to memory of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 708 wrote to memory of 1608 708 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 1608 wrote to memory of 3528 1608 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe icacls.exe PID 1608 wrote to memory of 3528 1608 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe icacls.exe PID 1608 wrote to memory of 3528 1608 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe icacls.exe PID 1608 wrote to memory of 3036 1608 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 1608 wrote to memory of 3036 1608 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 1608 wrote to memory of 3036 1608 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 wrote to memory of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 wrote to memory of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 wrote to memory of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 wrote to memory of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 wrote to memory of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 wrote to memory of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 wrote to memory of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 wrote to memory of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 wrote to memory of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe PID 3036 wrote to memory of 5044 3036 c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe"C:\Users\Admin\AppData\Local\Temp\c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:708 -
C:\Users\Admin\AppData\Local\Temp\c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe"C:\Users\Admin\AppData\Local\Temp\c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\46a5c5d8-e8b6-4799-9afd-51581e3e64d6" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:3528
-
-
C:\Users\Admin\AppData\Local\Temp\c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe"C:\Users\Admin\AppData\Local\Temp\c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Users\Admin\AppData\Local\Temp\c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe"C:\Users\Admin\AppData\Local\Temp\c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:5044
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD567e486b2f148a3fca863728242b6273e
SHA1452a84c183d7ea5b7c015b597e94af8eef66d44a
SHA256facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb
SHA512d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e
-
Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Filesize174B
MD5276e133382ae0ecb6419d6d3b0d16f85
SHA1e4b893a1c8a809a169536bb1a110f7f60779445f
SHA2565376a6c1a68274d093cecf185c843140358d540865d5d3413e122de405a50ab1
SHA5122c12884201935995962a707c87305a048956f2a0c9df79d189654843c2906565403d55375f1ab4549b4af9bf387762aa7d943bc439bd185354707cc017aec712
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD51b943ddcf7251fca3cbe59361dd99934
SHA14bdb4c83e126a760dde59cff40c47716f13233cc
SHA25651e5e691b0f2d06afb6c5cb01f82217b11d5225802e9ef2f56c4163215fa4c6e
SHA512dfacadac5c4a21c4202ffffe07a943704216c645b99ba1c291c6bac59f648e7ae16fe17914ebfa487b238cad49f21663861f6e1f0b7c21b5e9655733b242f700
-
C:\Users\Admin\AppData\Local\46a5c5d8-e8b6-4799-9afd-51581e3e64d6\c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781.exe
Filesize757KB
MD5bd4d06f1e0139f61fed18f524e00ff59
SHA18a8cf66f6ecd4b4591ab7839e7865c55d287e760
SHA256c4b93b302d810c73be3886dc8aa03c230adb8a5df3611bedfa92995412fe2781
SHA512ca3f80d45ed1f52f17f7b02827ff5e1a70d4cbe25274864fc5aa2445d0e77654feddaad8935e356eea5e043e2d71ec513daf3466df8030eac7c69aefc73f9fbb