Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
02/08/2023, 12:47
Static task
static1
Behavioral task
behavioral1
Sample
sample.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
sample.exe
Resource
win10v2004-20230703-en
General
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Target
sample.exe
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Size
766KB
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MD5
1f979bb475335b72a202e3a104d91132
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SHA1
fb0f7d0db52c5b472f4cf2fa6e1276cb2d0d3da0
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SHA256
9424738ef06a5a20218a31d750b432a302483e2503490affd5339840ac44f8ad
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SHA512
5f8c0da981ea1413f8e6faee6afc9d484863c7f3727ea1d3d82aa1206f16c3477a490c3aec8e60b8b4c5305b5b715bebc2151ea3b7fa9ee13da7610675cdf178
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SSDEEP
12288:Ijv8LA79qkJcFYia+AuBNchD4+O58RodwWpDfAZkEaJXY5FPIagqx4kT8+4s:Ijv79qkJcFYiajuBwPOunWpDoGEoXP2p
Malware Config
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.popn
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offline_id
Cr1qw6x3Gr36kVHAZvrjTBFecy9ksVLEfrUGCjt1
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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-MDnNtxiPM0 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: 0754JOsie
Extracted
vidar
5
183caee054f0a0bfc81780194d9bc7cb
https://t.me/versozaline
https://steamcommunity.com/profiles/76561199532186526
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profile_id_v2
183caee054f0a0bfc81780194d9bc7cb
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user_agent
Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0
Signatures
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Detected Djvu ransomware 17 IoCs
resource yara_rule behavioral2/memory/4700-135-0x0000000004190000-0x00000000042AB000-memory.dmp family_djvu behavioral2/memory/1012-136-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1012-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1012-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1012-139-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1012-148-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-153-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-154-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-155-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-160-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-161-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-165-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-167-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-168-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-204-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-208-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4472-253-0x0000000000400000-0x0000000000537000-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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Executes dropped EXE 4 IoCs
pid Process 2776 build2.exe 1376 build2.exe 5104 build3.exe 2436 mstsca.exe -
Loads dropped DLL 2 IoCs
pid Process 1376 build2.exe 1376 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4892 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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c574e792-cc90-4780-b31e-b4012d25be08\\sample.exe\" --AutoStart" sample.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 8 api.2ip.ua 11 api.2ip.ua 25 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4700 set thread context of 1012 4700 sample.exe 86 PID 3584 set thread context of 4472 3584 sample.exe 94 PID 2776 set thread context of 1376 2776 build2.exe 99 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1372 schtasks.exe 5116 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 548 timeout.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1012 sample.exe 1012 sample.exe 4472 sample.exe 4472 sample.exe 1376 build2.exe 1376 build2.exe 1376 build2.exe 1376 build2.exe 1376 build2.exe 1376 build2.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 4700 wrote to memory of 1012 4700 sample.exe 86 PID 4700 wrote to memory of 1012 4700 sample.exe 86 PID 4700 wrote to memory of 1012 4700 sample.exe 86 PID 4700 wrote to memory of 1012 4700 sample.exe 86 PID 4700 wrote to memory of 1012 4700 sample.exe 86 PID 4700 wrote to memory of 1012 4700 sample.exe 86 PID 4700 wrote to memory of 1012 4700 sample.exe 86 PID 4700 wrote to memory of 1012 4700 sample.exe 86 PID 4700 wrote to memory of 1012 4700 sample.exe 86 PID 4700 wrote to memory of 1012 4700 sample.exe 86 PID 1012 wrote to memory of 4892 1012 sample.exe 91 PID 1012 wrote to memory of 4892 1012 sample.exe 91 PID 1012 wrote to memory of 4892 1012 sample.exe 91 PID 1012 wrote to memory of 3584 1012 sample.exe 92 PID 1012 wrote to memory of 3584 1012 sample.exe 92 PID 1012 wrote to memory of 3584 1012 sample.exe 92 PID 3584 wrote to memory of 4472 3584 sample.exe 94 PID 3584 wrote to memory of 4472 3584 sample.exe 94 PID 3584 wrote to memory of 4472 3584 sample.exe 94 PID 3584 wrote to memory of 4472 3584 sample.exe 94 PID 3584 wrote to memory of 4472 3584 sample.exe 94 PID 3584 wrote to memory of 4472 3584 sample.exe 94 PID 3584 wrote to memory of 4472 3584 sample.exe 94 PID 3584 wrote to memory of 4472 3584 sample.exe 94 PID 3584 wrote to memory of 4472 3584 sample.exe 94 PID 3584 wrote to memory of 4472 3584 sample.exe 94 PID 4472 wrote to memory of 2776 4472 sample.exe 98 PID 4472 wrote to memory of 2776 4472 sample.exe 98 PID 4472 wrote to memory of 2776 4472 sample.exe 98 PID 2776 wrote to memory of 1376 2776 build2.exe 99 PID 2776 wrote to memory of 1376 2776 build2.exe 99 PID 2776 wrote to memory of 1376 2776 build2.exe 99 PID 2776 wrote to memory of 1376 2776 build2.exe 99 PID 2776 wrote to memory of 1376 2776 build2.exe 99 PID 2776 wrote to memory of 1376 2776 build2.exe 99 PID 2776 wrote to memory of 1376 2776 build2.exe 99 PID 2776 wrote to memory of 1376 2776 build2.exe 99 PID 2776 wrote to memory of 1376 2776 build2.exe 99 PID 4472 wrote to memory of 5104 4472 sample.exe 100 PID 4472 wrote to memory of 5104 4472 sample.exe 100 PID 4472 wrote to memory of 5104 4472 sample.exe 100 PID 5104 wrote to memory of 1372 5104 build3.exe 101 PID 5104 wrote to memory of 1372 5104 build3.exe 101 PID 5104 wrote to memory of 1372 5104 build3.exe 101 PID 1376 wrote to memory of 2796 1376 build2.exe 103 PID 1376 wrote to memory of 2796 1376 build2.exe 103 PID 1376 wrote to memory of 2796 1376 build2.exe 103 PID 2796 wrote to memory of 548 2796 cmd.exe 105 PID 2796 wrote to memory of 548 2796 cmd.exe 105 PID 2796 wrote to memory of 548 2796 cmd.exe 105 PID 2436 wrote to memory of 5116 2436 mstsca.exe 108 PID 2436 wrote to memory of 5116 2436 mstsca.exe 108 PID 2436 wrote to memory of 5116 2436 mstsca.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4700 -
C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1012 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\c574e792-cc90-4780-b31e-b4012d25be08" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4892
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C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Users\Admin\AppData\Local\e9aea141-1ed8-42fe-96ec-e13c456332e7\build2.exe"C:\Users\Admin\AppData\Local\e9aea141-1ed8-42fe-96ec-e13c456332e7\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Users\Admin\AppData\Local\e9aea141-1ed8-42fe-96ec-e13c456332e7\build2.exe"C:\Users\Admin\AppData\Local\e9aea141-1ed8-42fe-96ec-e13c456332e7\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\e9aea141-1ed8-42fe-96ec-e13c456332e7\build2.exe" & exit7⤵
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:548
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C:\Users\Admin\AppData\Local\e9aea141-1ed8-42fe-96ec-e13c456332e7\build3.exe"C:\Users\Admin\AppData\Local\e9aea141-1ed8-42fe-96ec-e13c456332e7\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5104 -
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:1372
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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:2436 -
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:5116
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Network
MITRE ATT&CK Enterprise v15
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
MD5f15cc7f1027a56b71d5895c4897e916f
SHA10ebbf844932cb2d718ecf2a457694a6f83dd1dcc
SHA256b658d543ca7a49216bc5d8a20c50855cbb72bb6d5c9d59067ca459eb5b726537
SHA512c43a1089971458666265aeb229a932de5de10c6dc291067c5f705cf92de29bf5a83b1400364fef40f0866a47fe36c63e2a5415d55d6963ad41e51897252c8708
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD52ac74d32fef934ceddc6a44b4ea0478b
SHA1572ceb6de9d0b3e58aaa2903a56c4f4a2327a716
SHA25664fedb27098214c70ac38a2cc7f226e8d4e3a7bf983de9040045625dc75ee424
SHA512329c2251a90ee427d6fecb1a5740760cee28da2d5ad0cb10ef5dc2256e3af51443b7b482ce0c3ee8e253c48e29fb4b704082d8cde09fb4b1cf4382236920b9af
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD5dd0815fcb47c453454c3f374a6500d7f
SHA1d5bdb57785858bad15ca551a66ebba48b12ca1c6
SHA256b7e7d39e4ca46f74198f81c1d9cbce3942136b8dff09caee14860b2775b4e325
SHA512adfb872ac603374c46275a1a2eb7b9fe90de9a250cfd0ae094e498a66427ba25c0a1c1200754a67ffa6233febddac499e895f49017381ce66e91028f23f72f9f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5c0ec389573f3a3370ee752b5ce98f5c6
SHA1cf8c249715bcb07e4ff191f7ca5a019db910f228
SHA25659b5aff8d0b1dd22724230a5550fc726d536a7e8f8a40476d3b1e43a468d944a
SHA51228fb7798fe5ae187d7d9d6ed7be1c35b14f16a8e2f1642b4cb91bd1ceac13b068ec841051ab2bf8be60cb72ab2149d380087ce580a9851ed7b5dedd7a877a564
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Filesize
766KB
MD51f979bb475335b72a202e3a104d91132
SHA1fb0f7d0db52c5b472f4cf2fa6e1276cb2d0d3da0
SHA2569424738ef06a5a20218a31d750b432a302483e2503490affd5339840ac44f8ad
SHA5125f8c0da981ea1413f8e6faee6afc9d484863c7f3727ea1d3d82aa1206f16c3477a490c3aec8e60b8b4c5305b5b715bebc2151ea3b7fa9ee13da7610675cdf178
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Filesize
449KB
MD5304dcbfad357a684b36d2d639cdbc3eb
SHA1428c58d8c86c49e28bc9958608817bf6a97dd780
SHA256bd5aff6936d77e3deae4e45195b44ec5d4e7ba4f2a9dfe68ee7d6f7be2cfd97a
SHA5128dd618a8a22c3e7f0f19287c6ca8135959f34f30a5d2e19f10f71c45a6b7c8c7dc0900b3e23c3ae479455cd1ce94a744c0841c26bde28f28ef8552130d465d43
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Filesize
449KB
MD5304dcbfad357a684b36d2d639cdbc3eb
SHA1428c58d8c86c49e28bc9958608817bf6a97dd780
SHA256bd5aff6936d77e3deae4e45195b44ec5d4e7ba4f2a9dfe68ee7d6f7be2cfd97a
SHA5128dd618a8a22c3e7f0f19287c6ca8135959f34f30a5d2e19f10f71c45a6b7c8c7dc0900b3e23c3ae479455cd1ce94a744c0841c26bde28f28ef8552130d465d43
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Filesize
449KB
MD5304dcbfad357a684b36d2d639cdbc3eb
SHA1428c58d8c86c49e28bc9958608817bf6a97dd780
SHA256bd5aff6936d77e3deae4e45195b44ec5d4e7ba4f2a9dfe68ee7d6f7be2cfd97a
SHA5128dd618a8a22c3e7f0f19287c6ca8135959f34f30a5d2e19f10f71c45a6b7c8c7dc0900b3e23c3ae479455cd1ce94a744c0841c26bde28f28ef8552130d465d43
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Filesize
449KB
MD5304dcbfad357a684b36d2d639cdbc3eb
SHA1428c58d8c86c49e28bc9958608817bf6a97dd780
SHA256bd5aff6936d77e3deae4e45195b44ec5d4e7ba4f2a9dfe68ee7d6f7be2cfd97a
SHA5128dd618a8a22c3e7f0f19287c6ca8135959f34f30a5d2e19f10f71c45a6b7c8c7dc0900b3e23c3ae479455cd1ce94a744c0841c26bde28f28ef8552130d465d43
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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