Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
145s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29/12/2024, 11:17
Static task
static1
Behavioral task
behavioral1
Sample
a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe
Resource
win10v2004-20241007-en
General
-
Target
a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe
-
Size
814KB
-
MD5
7957a57c6a09cb2feafd220bf7b5837d
-
SHA1
f3af4907604329c3779725cc81731c3e5f8d7f96
-
SHA256
a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda
-
SHA512
a70e74ab3d63b5b6838eeee59847b125e34ab4f98cb9ba36f44be47c35db51a745c60efca300fe12bf16ff61d7e1ccaa0453291d008bb0ba9576b349169ba45d
-
SSDEEP
24576:EHi7xO7FSmvgF8MVWwYwLubiX8R7INJBnU:J60m+WwhDs7aU
Malware Config
Extracted
djvu
http://acacaca.org/test1/get.php
-
extension
.vvew
-
offline_id
rE5LpDv2ftYRXAo7bC18EpzfRMTHSGjgfyIMfZt1
-
payload_url
http://rgyui.top/dl/build2.exe
http://acacaca.org/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. You can get and look video overview decrypt tool: https://we.tl/t-QsoSRIeAK6 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: 0530Jhyjd
Signatures
-
Detected Djvu ransomware 15 IoCs
resource yara_rule behavioral1/memory/3048-2-0x00000000004E0000-0x00000000005FB000-memory.dmp family_djvu behavioral1/memory/2052-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-25-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-47-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-48-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-49-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-53-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-62-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-64-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-65-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-66-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
-
Djvu family
-
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2732 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\0c773c73-cf0d-42f5-96f8-2ff69159e024\\a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe\" --AutoStart" a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.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.
flow ioc 4 api.2ip.ua 5 api.2ip.ua 9 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3048 set thread context of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 2740 set thread context of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2052 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 2052 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 2724 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 2724 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 3048 wrote to memory of 2052 3048 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 30 PID 2052 wrote to memory of 2732 2052 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 32 PID 2052 wrote to memory of 2732 2052 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 32 PID 2052 wrote to memory of 2732 2052 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 32 PID 2052 wrote to memory of 2732 2052 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 32 PID 2052 wrote to memory of 2740 2052 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 33 PID 2052 wrote to memory of 2740 2052 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 33 PID 2052 wrote to memory of 2740 2052 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 33 PID 2052 wrote to memory of 2740 2052 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 33 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34 PID 2740 wrote to memory of 2724 2740 a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe"C:\Users\Admin\AppData\Local\Temp\a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Users\Admin\AppData\Local\Temp\a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe"C:\Users\Admin\AppData\Local\Temp\a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\0c773c73-cf0d-42f5-96f8-2ff69159e024" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2732
-
-
C:\Users\Admin\AppData\Local\Temp\a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe"C:\Users\Admin\AppData\Local\Temp\a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Users\Admin\AppData\Local\Temp\a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe"C:\Users\Admin\AppData\Local\Temp\a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2724
-
-
-
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
MD595f86f39ef372fc310209242621bc9ae
SHA1a44a1c8a40a6be2eb61c458bed73873ef3ef5f45
SHA25620cc61189daf8686ce6ea025207b9208acde9a3dfb4338a9e8dbceb0c6796554
SHA512d811457c8ff72209ff0908ad7c20538f941ba9901c78a6992078afc087bf93e7ff0a5a8b39aa61cc109c0c71c8d37d298318b473e32c4f0a471e3feee02b915d
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD5c04654e1bd4fabd033a257a49fef932d
SHA11b2f40513a989ce8981f3df70812ff4df76a7481
SHA2561de8630d5cc80dc8831d43dbdbeee253d7b838ce3bc0dfe1e120293f77b6da26
SHA51292f08bfeca75df6fb7c2c10b4a89f8c642253aef8c6d3b8af6fb7d7207eff12f236cdfe43672768537dbe8fc128a56e5efbfc5c82d8e11c6a45a79dd7c03c4b2
-
C:\Users\Admin\AppData\Local\0c773c73-cf0d-42f5-96f8-2ff69159e024\a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda.exe
Filesize814KB
MD57957a57c6a09cb2feafd220bf7b5837d
SHA1f3af4907604329c3779725cc81731c3e5f8d7f96
SHA256a33c16fe3207c333632d2698d07e9a92d55be5305a6a8047df339dd255cb4eda
SHA512a70e74ab3d63b5b6838eeee59847b125e34ab4f98cb9ba36f44be47c35db51a745c60efca300fe12bf16ff61d7e1ccaa0453291d008bb0ba9576b349169ba45d
-
Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b