Analysis
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max time kernel
144s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
22/05/2023, 06:52
Static task
static1
Behavioral task
behavioral1
Sample
report727.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
report727.exe
Resource
win10v2004-20230221-en
General
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Target
report727.exe
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Size
782KB
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MD5
e131c4a8304d2b552494a4c6c9e73783
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SHA1
df9c718854a3b7dca0033260faf491e0dc1cbe77
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SHA256
0221aa3aeb9d83a2e440d4081d2b46b85a916bb8ed8e32fa3434344180c52be0
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SHA512
b54cfce239a5b59e0b0076f96ac43b7c08684fd54568975bf9ff8ae0c32562e6ee773d693524de4bdc3fcc68542e62631fa15888902cba5cb5344cb42701b288
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SSDEEP
12288:nJ8fyeFHnIMfTfrrTWEIxT8NDzBgZiUoVmhWcgyPgcgaFcAbo/Ph/f:nJFeFHIMfvvWPTqFj5agj4FfkhX
Malware Config
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.gatq
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offline_id
jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1
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payload_url
http://colisumy.com/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-sD0OUYo1Pd 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: 0712JOsie
Extracted
vidar
3.9
9dfa7ee730fa2f1efb5ed51dbbec22f5
https://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
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profile_id_v2
9dfa7ee730fa2f1efb5ed51dbbec22f5
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user_agent
Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)
Signatures
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Detected Djvu ransomware 16 IoCs
resource yara_rule behavioral2/memory/4780-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4780-135-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1608-136-0x0000000002490000-0x00000000025AB000-memory.dmp family_djvu behavioral2/memory/4780-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4780-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4780-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2252-151-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2252-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2252-153-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2252-158-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2252-159-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2252-166-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2252-168-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2252-171-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2252-204-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2252-281-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation report727.exe Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation report727.exe -
Executes dropped EXE 4 IoCs
pid Process 4496 build2.exe 4616 build2.exe 3956 build3.exe 1776 mstsca.exe -
Loads dropped DLL 2 IoCs
pid Process 4616 build2.exe 4616 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3244 icacls.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\a24c7f51-a496-4c0a-bae2-fa8f05c30445\\report727.exe\" --AutoStart" report727.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 6 api.2ip.ua 7 api.2ip.ua 20 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1608 set thread context of 4780 1608 report727.exe 83 PID 3248 set thread context of 2252 3248 report727.exe 87 PID 4496 set thread context of 4616 4496 build2.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString build2.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 build2.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2000 schtasks.exe 3744 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4780 report727.exe 4780 report727.exe 2252 report727.exe 2252 report727.exe 4616 build2.exe 4616 build2.exe -
Suspicious use of WriteProcessMemory 47 IoCs
description pid Process procid_target PID 1608 wrote to memory of 4780 1608 report727.exe 83 PID 1608 wrote to memory of 4780 1608 report727.exe 83 PID 1608 wrote to memory of 4780 1608 report727.exe 83 PID 1608 wrote to memory of 4780 1608 report727.exe 83 PID 1608 wrote to memory of 4780 1608 report727.exe 83 PID 1608 wrote to memory of 4780 1608 report727.exe 83 PID 1608 wrote to memory of 4780 1608 report727.exe 83 PID 1608 wrote to memory of 4780 1608 report727.exe 83 PID 1608 wrote to memory of 4780 1608 report727.exe 83 PID 1608 wrote to memory of 4780 1608 report727.exe 83 PID 4780 wrote to memory of 3244 4780 report727.exe 84 PID 4780 wrote to memory of 3244 4780 report727.exe 84 PID 4780 wrote to memory of 3244 4780 report727.exe 84 PID 4780 wrote to memory of 3248 4780 report727.exe 85 PID 4780 wrote to memory of 3248 4780 report727.exe 85 PID 4780 wrote to memory of 3248 4780 report727.exe 85 PID 3248 wrote to memory of 2252 3248 report727.exe 87 PID 3248 wrote to memory of 2252 3248 report727.exe 87 PID 3248 wrote to memory of 2252 3248 report727.exe 87 PID 3248 wrote to memory of 2252 3248 report727.exe 87 PID 3248 wrote to memory of 2252 3248 report727.exe 87 PID 3248 wrote to memory of 2252 3248 report727.exe 87 PID 3248 wrote to memory of 2252 3248 report727.exe 87 PID 3248 wrote to memory of 2252 3248 report727.exe 87 PID 3248 wrote to memory of 2252 3248 report727.exe 87 PID 3248 wrote to memory of 2252 3248 report727.exe 87 PID 2252 wrote to memory of 4496 2252 report727.exe 88 PID 2252 wrote to memory of 4496 2252 report727.exe 88 PID 2252 wrote to memory of 4496 2252 report727.exe 88 PID 4496 wrote to memory of 4616 4496 build2.exe 89 PID 4496 wrote to memory of 4616 4496 build2.exe 89 PID 4496 wrote to memory of 4616 4496 build2.exe 89 PID 4496 wrote to memory of 4616 4496 build2.exe 89 PID 4496 wrote to memory of 4616 4496 build2.exe 89 PID 4496 wrote to memory of 4616 4496 build2.exe 89 PID 4496 wrote to memory of 4616 4496 build2.exe 89 PID 4496 wrote to memory of 4616 4496 build2.exe 89 PID 4496 wrote to memory of 4616 4496 build2.exe 89 PID 2252 wrote to memory of 3956 2252 report727.exe 90 PID 2252 wrote to memory of 3956 2252 report727.exe 90 PID 2252 wrote to memory of 3956 2252 report727.exe 90 PID 3956 wrote to memory of 3744 3956 build3.exe 92 PID 3956 wrote to memory of 3744 3956 build3.exe 92 PID 3956 wrote to memory of 3744 3956 build3.exe 92 PID 1776 wrote to memory of 2000 1776 mstsca.exe 101 PID 1776 wrote to memory of 2000 1776 mstsca.exe 101 PID 1776 wrote to memory of 2000 1776 mstsca.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\report727.exe"C:\Users\Admin\AppData\Local\Temp\report727.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Users\Admin\AppData\Local\Temp\report727.exe"C:\Users\Admin\AppData\Local\Temp\report727.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\a24c7f51-a496-4c0a-bae2-fa8f05c30445" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:3244
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C:\Users\Admin\AppData\Local\Temp\report727.exe"C:\Users\Admin\AppData\Local\Temp\report727.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Users\Admin\AppData\Local\Temp\report727.exe"C:\Users\Admin\AppData\Local\Temp\report727.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe"C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe"C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4616
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C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build3.exe"C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"6⤵
- Creates scheduled task(s)
PID:3744
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"2⤵
- Creates scheduled task(s)
PID:2000
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD53a98270c0f3ec57a1ffa63648264bcb6
SHA1ae481992ba0ddee00978fe6299deb55c479da13b
SHA25697f6a2a8a436683df74da9f372507bd3e3c7a57b7157782c703c2e7583628d99
SHA51250bba20c9d510e2ab5b295fe75e926cdff5ca9dfa64849c2dde51be3341ee8bc5de6726f05ea6dfade6c8b4a38cdf8241e39b5516e4e312e92295c15131f9cce
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD545c2d61da08d4d08d780e2f8ec5442aa
SHA1d822e746572e4240bd41a384bc15da046cb0161a
SHA2565a76f2739a91dfac0c99580b4e766f08fac5b443f1f8d7bd597e6725bffce05e
SHA5127846d26f4884703f61d5742938ee5fdf9e0b5340aa7d4e9f3247006db66ef48459b4a8cb63859952abbaf3c0f97fa92e61177ae77390a85145d669036a00a553
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD5b21cb73fe89e9e580dfe8fad1fb5174f
SHA17b3ed998e464bfc95decac7d099a82be27baaae1
SHA25633a06f894551e137957ad9398ca031b631daf5b5577589bb2c7edfa3573547d5
SHA51209d519613e964f2bf226f4f8b1b952d91cf49e4df5d05401a22935959afdf514af0a32ea63aed21905ee6159dc71acf2665c663e99c6cd44f374f5c028f4c008
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD55f9042fd2ad6a88e8d1d1cddfa98b51e
SHA1f4bd1435c4adce5aa26c8736af66252365d23e40
SHA2569092983103c0d6ede5a35588c94124dd7bcd64c39fef4f78d81595a083ff6cba
SHA51220aa5a834a43de219b02a1f399cd237f2ed87983a09b6b45bf03a7a94172a26132f4734a14dbff5cc8b5ad0a606d61ed5dd8b5271d53fbde27b0a4538462e9f6
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Filesize
782KB
MD5e131c4a8304d2b552494a4c6c9e73783
SHA1df9c718854a3b7dca0033260faf491e0dc1cbe77
SHA2560221aa3aeb9d83a2e440d4081d2b46b85a916bb8ed8e32fa3434344180c52be0
SHA512b54cfce239a5b59e0b0076f96ac43b7c08684fd54568975bf9ff8ae0c32562e6ee773d693524de4bdc3fcc68542e62631fa15888902cba5cb5344cb42701b288
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Filesize
379KB
MD537b6aab56a0f770ce58a670322361a1c
SHA187606604cdaa89b93d4d1b5e3e12f5ec24f60016
SHA2563d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4
SHA5127b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e
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Filesize
379KB
MD537b6aab56a0f770ce58a670322361a1c
SHA187606604cdaa89b93d4d1b5e3e12f5ec24f60016
SHA2563d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4
SHA5127b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e
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Filesize
379KB
MD537b6aab56a0f770ce58a670322361a1c
SHA187606604cdaa89b93d4d1b5e3e12f5ec24f60016
SHA2563d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4
SHA5127b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e
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Filesize
379KB
MD537b6aab56a0f770ce58a670322361a1c
SHA187606604cdaa89b93d4d1b5e3e12f5ec24f60016
SHA2563d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4
SHA5127b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a