Analysis
-
max time kernel
144s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 16:10
Static task
static1
Behavioral task
behavioral1
Sample
d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe
Resource
win11-20240508-en
General
-
Target
d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe
-
Size
730KB
-
MD5
bcd18bf62d2ff2f57c6d7d5066460629
-
SHA1
18abd83784f6f4eeee4f3567a73e4c20e57bf566
-
SHA256
d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8
-
SHA512
844e4a8fb79babb3ca734135db0d76f11a2cfa662c587f0458a000ab0531ecc3fe2daaafb8fac5fab309daf40c9be809d3b48661b8afbc5cb1e1f8fa6fecf63e
-
SSDEEP
12288:wkXhj8GLAOSo9xYkrTjSoDWDTI44NBXAkB8pff4wRym44lA+OColnxsUL5ruQM:FX+2BSoLD/miOI4IBXAjfHfZlodiUL5Q
Malware Config
Extracted
djvu
http://cajgtus.com/test1/get.php
-
extension
.vepi
-
offline_id
EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1
-
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/33b490a613f49fa190924f199d2c079e20240512191214/caaf73 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: 0871PsawqS
Signatures
-
Detected Djvu ransomware 16 IoCs
Processes:
resource yara_rule behavioral1/memory/448-2-0x00000000049C0000-0x0000000004ADB000-memory.dmp family_djvu behavioral1/memory/1792-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1792-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1792-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1792-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1792-17-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1792-20-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1368-23-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1368-28-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1368-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1368-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1368-33-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1368-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1368-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1368-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1368-38-0x0000000000400000-0x0000000000537000-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:
d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe -
Modifies file permissions 1 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\ae43ef22-8645-4382-94db-01eb3f213862\\d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe\" --AutoStart" d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.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 2 api.2ip.ua 3 api.2ip.ua 33 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exed0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exedescription pid process target process PID 448 set thread context of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 set thread context of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exed0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exepid process 1792 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe 1792 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe 1368 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe 1368 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exed0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exed0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exedescription pid process target process PID 448 wrote to memory of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 448 wrote to memory of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 448 wrote to memory of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 448 wrote to memory of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 448 wrote to memory of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 448 wrote to memory of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 448 wrote to memory of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 448 wrote to memory of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 448 wrote to memory of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 448 wrote to memory of 1792 448 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 1792 wrote to memory of 1204 1792 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe icacls.exe PID 1792 wrote to memory of 1204 1792 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe icacls.exe PID 1792 wrote to memory of 1204 1792 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe icacls.exe PID 1792 wrote to memory of 4432 1792 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 1792 wrote to memory of 4432 1792 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 1792 wrote to memory of 4432 1792 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 wrote to memory of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 wrote to memory of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 wrote to memory of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 wrote to memory of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 wrote to memory of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 wrote to memory of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 wrote to memory of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 wrote to memory of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 wrote to memory of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe PID 4432 wrote to memory of 1368 4432 d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe"C:\Users\Admin\AppData\Local\Temp\d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe"C:\Users\Admin\AppData\Local\Temp\d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\ae43ef22-8645-4382-94db-01eb3f213862" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
C:\Users\Admin\AppData\Local\Temp\d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe"C:\Users\Admin\AppData\Local\Temp\d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exe"C:\Users\Admin\AppData\Local\Temp\d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.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
MD58df6dedd4dd10eb8211463f82b129e29
SHA1ffc6e51cf829b481d789d8e3e61f6c7096fbde3e
SHA256a8400cc21263f2c44ccb301a3a1ef66a1ff009fd4d301362fd778e7b23a386d8
SHA51225fd6d8684ff8db3d40a8fe33267fd01d6456a84f81c7e579f7508c36558cf731a0ec8a2999a539aa5c1985dc45f7bd20d2a14a343b2326030941858f24c57f4
-
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
MD56d18c8e468e0f39f5907c6d998b58b5e
SHA19a9b0212f4851c4269103609e151dd83bbc2e0e9
SHA256c1c607c280f1928fac1e3f17226445ca4731a794caa7515eeb5f6d0bf2428431
SHA512917546efd02373e43835d09db1e3260f123deb9097e74135113c74cbe4d9901a4e4fdacd94ea38c25afb6e57da9e4b280fef5aa052b94e6aa9757239719ff6e3
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464Filesize
392B
MD5e3809455233596c4061cb7c4404f558c
SHA132931c9c806b7578ac72bf2613dc7b4b256f333d
SHA2567c4fcdcc3ae309a1808da770e9ab766ddcfc0590fcb947697d75f178661e79fe
SHA512d731e7882dad54042b9edb79775cb94b83bfdbd51a4c28dbe8f9a1093974ee843e1c4997d69a3125c144a5c6c4b16efbcbe9289c1beca403b5b30bfcc5fca7a9
-
C:\Users\Admin\AppData\Local\ae43ef22-8645-4382-94db-01eb3f213862\d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8.exeFilesize
730KB
MD5bcd18bf62d2ff2f57c6d7d5066460629
SHA118abd83784f6f4eeee4f3567a73e4c20e57bf566
SHA256d0b89f08dcfb3b9005c5e446ff69e3f1b83196d77c1b8d865cdc4297b1a795f8
SHA512844e4a8fb79babb3ca734135db0d76f11a2cfa662c587f0458a000ab0531ecc3fe2daaafb8fac5fab309daf40c9be809d3b48661b8afbc5cb1e1f8fa6fecf63e
-
memory/448-2-0x00000000049C0000-0x0000000004ADB000-memory.dmpFilesize
1.1MB
-
memory/448-1-0x0000000004920000-0x00000000049B7000-memory.dmpFilesize
604KB
-
memory/1368-29-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-33-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-23-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-38-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-37-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-35-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-36-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-28-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-30-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1792-3-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1792-20-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1792-4-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1792-5-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1792-6-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1792-17-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB