Analysis
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max time kernel
141s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
29-07-2024 23:00
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20240709-en
General
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Target
setup.exe
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Size
742KB
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MD5
13fd90197ba55324bd01b9fa97f5295a
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SHA1
313ac91a6ea6e75c0fe75f65d1254905491b59f6
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SHA256
be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e
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SHA512
a2d7a2b666f712b57f1cbed89598ad783589b93d4e0b67ccbe5d8ac4f8b3faf18c704a5606953319090dbf974f5cd9bc600ee3b7695c47cc92db5d9a8227f6fb
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SSDEEP
12288:hx2+AAPYnxYN43oEFdodmbI+9KvWzFk0QCsX5D7rIOpw9:hx2MYnxsSDd4L+9KOzWdCI5D7EOa9
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.qapo
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offline_id
VrBq0iLIRHjQLgVRLsN1WK8yFkTCRDCCvPkwnHt1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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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. You can get and look video overview decrypt tool: https://we.tl/t-zUVSNg4KRZ Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0663Iopd
Signatures
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Detected Djvu ransomware 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1244-2-0x00000000023B0000-0x00000000024CB000-memory.dmp family_djvu behavioral1/memory/2300-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2300-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2300-7-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
setup.exedescription pid process target process PID 1244 set thread context of 2300 1244 setup.exe setup.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1916 2300 WerFault.exe setup.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
setup.exesetup.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language setup.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
setup.exesetup.exedescription pid process target process PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 1244 wrote to memory of 2300 1244 setup.exe setup.exe PID 2300 wrote to memory of 1916 2300 setup.exe WerFault.exe PID 2300 wrote to memory of 1916 2300 setup.exe WerFault.exe PID 2300 wrote to memory of 1916 2300 setup.exe WerFault.exe PID 2300 wrote to memory of 1916 2300 setup.exe WerFault.exe PID 2300 wrote to memory of 1916 2300 setup.exe WerFault.exe PID 2300 wrote to memory of 1916 2300 setup.exe WerFault.exe PID 2300 wrote to memory of 1916 2300 setup.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 2643⤵
- Program crash
PID:1916