Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
28-07-2024 03:41
Static task
static1
Behavioral task
behavioral1
Sample
be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
Resource
win10v2004-20240709-en
General
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Target
be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.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 9 IoCs
Processes:
resource yara_rule behavioral2/memory/2188-2-0x0000000002300000-0x000000000241B000-memory.dmp family_djvu behavioral2/memory/3652-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3652-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3652-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3652-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3652-19-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4944-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4944-23-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4944-24-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\14d73193-e236-44b1-aaca-699e29b083e0\\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe\" --AutoStart" be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 8 api.2ip.ua 9 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exebe65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exedescription pid process target process PID 2188 set thread context of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 set thread context of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 840 4944 WerFault.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe -
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:
icacls.exebe65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exebe65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exebe65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exebe65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exepid process 3652 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe 3652 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exebe65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exebe65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exedescription pid process target process PID 2188 wrote to memory of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 2188 wrote to memory of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 2188 wrote to memory of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 2188 wrote to memory of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 2188 wrote to memory of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 2188 wrote to memory of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 2188 wrote to memory of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 2188 wrote to memory of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 2188 wrote to memory of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 2188 wrote to memory of 3652 2188 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 3652 wrote to memory of 2372 3652 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe icacls.exe PID 3652 wrote to memory of 2372 3652 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe icacls.exe PID 3652 wrote to memory of 2372 3652 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe icacls.exe PID 3652 wrote to memory of 208 3652 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 3652 wrote to memory of 208 3652 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 3652 wrote to memory of 208 3652 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 wrote to memory of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 wrote to memory of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 wrote to memory of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 wrote to memory of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 wrote to memory of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 wrote to memory of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 wrote to memory of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 wrote to memory of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 wrote to memory of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe PID 208 wrote to memory of 4944 208 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.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:3652 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\14d73193-e236-44b1-aaca-699e29b083e0" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2372 -
C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
PID:4944 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 5725⤵
- Program crash
PID:840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 49441⤵PID:1888
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\14d73193-e236-44b1-aaca-699e29b083e0\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
Filesize742KB
MD513fd90197ba55324bd01b9fa97f5295a
SHA1313ac91a6ea6e75c0fe75f65d1254905491b59f6
SHA256be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e
SHA512a2d7a2b666f712b57f1cbed89598ad783589b93d4e0b67ccbe5d8ac4f8b3faf18c704a5606953319090dbf974f5cd9bc600ee3b7695c47cc92db5d9a8227f6fb