Analysis
-
max time kernel
145s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
27-04-2024 08:35
Static task
static1
Behavioral task
behavioral1
Sample
954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral2
Sample
954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe
Resource
win11-20240426-en
General
-
Target
954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe
-
Size
749KB
-
MD5
2473e4881882b115f4af03a4e06768c5
-
SHA1
d4624ce03223ec6ec967f691e63d7b3c6cf67db6
-
SHA256
954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889
-
SHA512
ce0d1f365e56608f199ac96cae81a6f9f71f189acb257a6a3a07545a1ddc4d84ff0d7ebbb8ced3c7fe52b2e06c30f143d6d093c8a4b2fec34a5533ab86e9e328
-
SSDEEP
12288:WB9m/19iyezJJLhcD4SzYNkgnmNez53H9dADu819vYdDxvZdrNaMUVn0kF:WHmt96JlhY4Aa53Hy19AdDxTrN5Uz
Malware Config
Extracted
djvu
http://cajgtus.com/test2/get.php
-
extension
.bgzq
-
offline_id
Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1
-
payload_url
http://sdfjhuz.com/dl/build2.exe
http://cajgtus.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 15 IoCs
Processes:
resource yara_rule behavioral2/memory/380-2-0x0000000003200000-0x000000000331B000-memory.dmp family_djvu behavioral2/memory/1916-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-17-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1992-20-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1992-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1992-25-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1992-27-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1992-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1992-33-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1992-32-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1992-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1992-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
-
Modifies file permissions 1 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\40453cae-983c-4558-a6d1-073980abfa81\\954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe\" --AutoStart" 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.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 1 api.2ip.ua 2 api.2ip.ua 6 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exedescription pid process target process PID 380 set thread context of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 set thread context of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exepid process 1916 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 1916 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 1992 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 1992 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exedescription pid process target process PID 380 wrote to memory of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 380 wrote to memory of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 380 wrote to memory of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 380 wrote to memory of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 380 wrote to memory of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 380 wrote to memory of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 380 wrote to memory of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 380 wrote to memory of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 380 wrote to memory of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 380 wrote to memory of 1916 380 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 1916 wrote to memory of 2088 1916 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe icacls.exe PID 1916 wrote to memory of 2088 1916 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe icacls.exe PID 1916 wrote to memory of 2088 1916 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe icacls.exe PID 1916 wrote to memory of 4836 1916 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 1916 wrote to memory of 4836 1916 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 1916 wrote to memory of 4836 1916 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 wrote to memory of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 wrote to memory of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 wrote to memory of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 wrote to memory of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 wrote to memory of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 wrote to memory of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 wrote to memory of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 wrote to memory of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 wrote to memory of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe PID 4836 wrote to memory of 1992 4836 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe 954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe"C:\Users\Admin\AppData\Local\Temp\954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe"C:\Users\Admin\AppData\Local\Temp\954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\40453cae-983c-4558-a6d1-073980abfa81" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
C:\Users\Admin\AppData\Local\Temp\954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe"C:\Users\Admin\AppData\Local\Temp\954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe"C:\Users\Admin\AppData\Local\Temp\954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAFilesize
1KB
MD5c35390cd7305291de0cfa7de08b0da99
SHA1ccb6a65f324fbdadd872ca23d256ece85cce447d
SHA256fc283d50ca01bbec2d1061d644d41108aa1d2e19d1b6858ccada4f1329710e51
SHA51232c7b4b6250c6eb0d07859f195364f08655fb3567ca023d3c85e32f5d141adc4966f30fc11ee1607d0246ba91117e88917b58d9978e4b2edbfaffb3dc6fd7d59
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464Filesize
724B
MD58202a1cd02e7d69597995cabbe881a12
SHA18858d9d934b7aa9330ee73de6c476acf19929ff6
SHA25658f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
SHA51297ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAFilesize
410B
MD58be8613e09ebfe2cb9bde9d7d0e74588
SHA1b4d479526b792eb0532df5d0cdc06d03f9a45921
SHA25665411d2669b07272e70aba0a12d2641bfe57b34a57ff58e83bcec1eed8528155
SHA5129d380e6bd999f49fe80fb9e0db50f4d1ca64687d2458dec0bd23d396f7f0ab0002439910db983de88354b3dc7fe322bb4bfb0c2f8031001be3104b6362e3c9c3
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464Filesize
392B
MD5b6f8002f308ab813b4d964662c47e44c
SHA17bca6122d18eda61dcb10bddc056f6bcc41dc497
SHA2561c4371e0d089806a89970f13f8c4648c476fba9dca2e5595ada8218be27475b9
SHA51291bda9691bcc794370044fc4084736dceb7643c2d7ccd51ae53321e9789df002452f1dc5b8c963f4017df5813986f995f6bc47fab9ec22c4b46f80f1a0bea248
-
C:\Users\Admin\AppData\Local\40453cae-983c-4558-a6d1-073980abfa81\954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889.exeFilesize
749KB
MD52473e4881882b115f4af03a4e06768c5
SHA1d4624ce03223ec6ec967f691e63d7b3c6cf67db6
SHA256954bf47b858fbcbe354fea135f9d104e089edbc3c9c750588fde8a1e55076889
SHA512ce0d1f365e56608f199ac96cae81a6f9f71f189acb257a6a3a07545a1ddc4d84ff0d7ebbb8ced3c7fe52b2e06c30f143d6d093c8a4b2fec34a5533ab86e9e328
-
memory/380-2-0x0000000003200000-0x000000000331B000-memory.dmpFilesize
1.1MB
-
memory/380-1-0x0000000003160000-0x00000000031F3000-memory.dmpFilesize
588KB
-
memory/1916-3-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1916-5-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1916-17-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1916-4-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1916-6-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1992-25-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1992-26-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1992-20-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1992-27-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1992-30-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1992-33-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1992-32-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1992-34-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1992-35-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB