Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 12:54
Static task
static1
Behavioral task
behavioral1
Sample
e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral2
Sample
e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe
Resource
win11-20240412-en
General
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Target
e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe
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Size
777KB
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MD5
48d4294f3a64649dcb9759bb193275db
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SHA1
49f828f60cfffee57e49ed7f914c169d818235c3
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SHA256
e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9
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SHA512
6734b025313c47c9279561517f445eeddeb75dae5be93f9a651df503a56fe1e1193fe9b531372a54f1d1f4ac48548938dd9f375d5c1a5276665e28ca05902565
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SSDEEP
12288:i2M47t7YdXZj0H0qsSPz/jSNFBcARd36GL6j7ZgmiY4G:i2M4B65cXzKpcUKISmmic
Malware Config
Extracted
djvu
http://cajgtus.com/test2/get.php
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extension
.bgzq
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offline_id
Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1
-
payload_url
http://sdfjhuz.com/dl/build2.exe
http://cajgtus.com/files/1/build3.exe
-
ransomnote
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Signatures
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Detected Djvu ransomware 17 IoCs
Processes:
resource yara_rule behavioral1/memory/724-2-0x0000000004A40000-0x0000000004B5B000-memory.dmp family_djvu behavioral1/memory/4264-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4264-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4264-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4264-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4264-15-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-20-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-21-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-22-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-27-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-28-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-32-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2488-37-0x0000000000400000-0x0000000000537000-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:
e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\bfe932e3-2575-4100-a02f-054847462462\\e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe\" --AutoStart" e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.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 25 api.2ip.ua 26 api.2ip.ua 46 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exee96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exedescription pid process target process PID 724 set thread context of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 set thread context of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exee96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exepid process 4264 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe 4264 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe 2488 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe 2488 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exee96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exee96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exedescription pid process target process PID 724 wrote to memory of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 724 wrote to memory of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 724 wrote to memory of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 724 wrote to memory of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 724 wrote to memory of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 724 wrote to memory of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 724 wrote to memory of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 724 wrote to memory of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 724 wrote to memory of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 724 wrote to memory of 4264 724 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4264 wrote to memory of 3508 4264 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe icacls.exe PID 4264 wrote to memory of 3508 4264 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe icacls.exe PID 4264 wrote to memory of 3508 4264 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe icacls.exe PID 4264 wrote to memory of 4984 4264 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4264 wrote to memory of 4984 4264 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4264 wrote to memory of 4984 4264 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 wrote to memory of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 wrote to memory of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 wrote to memory of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 wrote to memory of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 wrote to memory of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 wrote to memory of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 wrote to memory of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 wrote to memory of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 wrote to memory of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe PID 4984 wrote to memory of 2488 4984 e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe"C:\Users\Admin\AppData\Local\Temp\e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:724 -
C:\Users\Admin\AppData\Local\Temp\e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe"C:\Users\Admin\AppData\Local\Temp\e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\bfe932e3-2575-4100-a02f-054847462462" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:3508 -
C:\Users\Admin\AppData\Local\Temp\e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe"C:\Users\Admin\AppData\Local\Temp\e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Users\Admin\AppData\Local\Temp\e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe"C:\Users\Admin\AppData\Local\Temp\e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2488
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAFilesize
1KB
MD5cb9e9c73d3688b51ee1899e25cd1cc7e
SHA1b2d472d87ac099a708b7536b5c30e5e6f0d28b7e
SHA256382e6d80f80afb665a9c3065602a8fb4a6c3ff73c06a0a6937ffc178466d97a2
SHA51274f1d7c3c68c0ae4ebc7b1c270c2138f578b78b591d8c6af4b7bb56fd4f23e5cebdf9748e7045521c72c000e5a4f35adce8e62951470e65c531f95b26b52a54e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464Filesize
724B
MD58202a1cd02e7d69597995cabbe881a12
SHA18858d9d934b7aa9330ee73de6c476acf19929ff6
SHA25658f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
SHA51297ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAFilesize
410B
MD5167b00d24955b4503b1a2249e8c53cf5
SHA197721f600919d018e7e5f8dce711b548f2d1b16c
SHA2565e65b6771375f17b841a97a56a911b5cd997cb6234f850016b9166506d41db93
SHA5121f1f0f3817532c156c9d2c56dda5f01d3eee1111b95b1c70718daee6ac440e48f486e33b304ff481c081e3f3e62582205f788effcd564ab6cb8b9c5edae11fb2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464Filesize
392B
MD5d83adec536819f7654fa11a00e36b589
SHA1fec2bebee537c4f4ac5eda9001224618d98395d2
SHA256bb95b1ba3f37b3c28377d1a34c1371929739b0473928fb1378f4671cde7d352f
SHA5128fc6a264a18556135b0da58e62c23b9d8f162202615ea90488ac9f632dbc228d838b60090236b7da1cf04959c690a693774d2d736b23ef732d56913549501289
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C:\Users\Admin\AppData\Local\bfe932e3-2575-4100-a02f-054847462462\e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9.exeFilesize
777KB
MD548d4294f3a64649dcb9759bb193275db
SHA149f828f60cfffee57e49ed7f914c169d818235c3
SHA256e96eda3865b1b37a0c95e3ffcf3f08a17fed74fcfb3a9c25b0264850e5c1f4f9
SHA5126734b025313c47c9279561517f445eeddeb75dae5be93f9a651df503a56fe1e1193fe9b531372a54f1d1f4ac48548938dd9f375d5c1a5276665e28ca05902565
-
memory/724-2-0x0000000004A40000-0x0000000004B5B000-memory.dmpFilesize
1.1MB
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memory/724-1-0x0000000003160000-0x0000000003200000-memory.dmpFilesize
640KB
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memory/2488-28-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/2488-34-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/2488-20-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/2488-21-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/2488-22-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/2488-37-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/2488-36-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/2488-35-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/2488-32-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/2488-27-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/2488-29-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4264-6-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4264-15-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4264-3-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4264-4-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4264-5-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4984-18-0x0000000003130000-0x00000000031C3000-memory.dmpFilesize
588KB