Analysis
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max time kernel
145s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
24-03-2023 01:23
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
General
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Target
setup.exe
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Size
716KB
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MD5
b9d1129b10cb7833fc7ce9030a421b4e
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SHA1
15eba569d6ea0136016b6b728a1678f922fb3008
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SHA256
c5cbb1cab733c0ea594d67991586f12e7fa8396e68a7067b26da469be0ab6ed1
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SHA512
73a7758220a1d8f5159b9ac55f50284be1e5468642ea424a6179f22b7f59d95a5389be523da34dc7364f1bf813b22fe6af77747818d08083687ac45b9dce1a85
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SSDEEP
12288:si0psrwjmw+Q/6PrgR5plm3H6bezkaZ5a6wBZZm6kxMYeHvqN5:dSnyQ/6PERIKbeztZ5azFnkx3eHQ
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.tywd
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offline_id
Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1
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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-f8UEvx4T0A 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: 0671IsjO
Extracted
vidar
3.1
00d92484c9b27bc8482a2cc94cacc508
https://steamcommunity.com/profiles/76561199472266392
https://t.me/tabootalks
http://135.181.26.183:80
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profile_id_v2
00d92484c9b27bc8482a2cc94cacc508
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Signatures
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Detected Djvu ransomware 16 IoCs
resource yara_rule behavioral2/memory/4808-134-0x0000000002350000-0x000000000246B000-memory.dmp family_djvu behavioral2/memory/1160-135-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1160-136-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1160-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1160-144-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1160-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3732-151-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3732-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3732-158-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3732-157-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3732-159-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3732-163-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3732-165-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3732-166-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3732-193-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3732-276-0x0000000000400000-0x0000000000537000-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 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation setup.exe Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation setup.exe Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation build2.exe -
Executes dropped EXE 4 IoCs
pid Process 3928 build2.exe 2600 build2.exe 1564 build3.exe 4712 mstsca.exe -
Loads dropped DLL 2 IoCs
pid Process 2600 build2.exe 2600 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3164 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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c9214cde-b07e-46b3-9bcd-ea1b73e97c1e\\setup.exe\" --AutoStart" setup.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 11 api.2ip.ua 31 api.2ip.ua 10 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4808 set thread context of 1160 4808 setup.exe 86 PID 4116 set thread context of 3732 4116 setup.exe 90 PID 3928 set thread context of 2600 3928 build2.exe 96 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 build2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 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 4852 schtasks.exe 4152 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4808 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1160 setup.exe 1160 setup.exe 3732 setup.exe 3732 setup.exe 2600 build2.exe 2600 build2.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 4808 wrote to memory of 1160 4808 setup.exe 86 PID 4808 wrote to memory of 1160 4808 setup.exe 86 PID 4808 wrote to memory of 1160 4808 setup.exe 86 PID 4808 wrote to memory of 1160 4808 setup.exe 86 PID 4808 wrote to memory of 1160 4808 setup.exe 86 PID 4808 wrote to memory of 1160 4808 setup.exe 86 PID 4808 wrote to memory of 1160 4808 setup.exe 86 PID 4808 wrote to memory of 1160 4808 setup.exe 86 PID 4808 wrote to memory of 1160 4808 setup.exe 86 PID 4808 wrote to memory of 1160 4808 setup.exe 86 PID 1160 wrote to memory of 3164 1160 setup.exe 87 PID 1160 wrote to memory of 3164 1160 setup.exe 87 PID 1160 wrote to memory of 3164 1160 setup.exe 87 PID 1160 wrote to memory of 4116 1160 setup.exe 88 PID 1160 wrote to memory of 4116 1160 setup.exe 88 PID 1160 wrote to memory of 4116 1160 setup.exe 88 PID 4116 wrote to memory of 3732 4116 setup.exe 90 PID 4116 wrote to memory of 3732 4116 setup.exe 90 PID 4116 wrote to memory of 3732 4116 setup.exe 90 PID 4116 wrote to memory of 3732 4116 setup.exe 90 PID 4116 wrote to memory of 3732 4116 setup.exe 90 PID 4116 wrote to memory of 3732 4116 setup.exe 90 PID 4116 wrote to memory of 3732 4116 setup.exe 90 PID 4116 wrote to memory of 3732 4116 setup.exe 90 PID 4116 wrote to memory of 3732 4116 setup.exe 90 PID 4116 wrote to memory of 3732 4116 setup.exe 90 PID 3732 wrote to memory of 3928 3732 setup.exe 94 PID 3732 wrote to memory of 3928 3732 setup.exe 94 PID 3732 wrote to memory of 3928 3732 setup.exe 94 PID 3928 wrote to memory of 2600 3928 build2.exe 96 PID 3928 wrote to memory of 2600 3928 build2.exe 96 PID 3928 wrote to memory of 2600 3928 build2.exe 96 PID 3928 wrote to memory of 2600 3928 build2.exe 96 PID 3928 wrote to memory of 2600 3928 build2.exe 96 PID 3928 wrote to memory of 2600 3928 build2.exe 96 PID 3928 wrote to memory of 2600 3928 build2.exe 96 PID 3928 wrote to memory of 2600 3928 build2.exe 96 PID 3928 wrote to memory of 2600 3928 build2.exe 96 PID 3732 wrote to memory of 1564 3732 setup.exe 97 PID 3732 wrote to memory of 1564 3732 setup.exe 97 PID 3732 wrote to memory of 1564 3732 setup.exe 97 PID 1564 wrote to memory of 4852 1564 build3.exe 98 PID 1564 wrote to memory of 4852 1564 build3.exe 98 PID 1564 wrote to memory of 4852 1564 build3.exe 98 PID 2600 wrote to memory of 4248 2600 build2.exe 102 PID 2600 wrote to memory of 4248 2600 build2.exe 102 PID 2600 wrote to memory of 4248 2600 build2.exe 102 PID 4248 wrote to memory of 4808 4248 cmd.exe 104 PID 4248 wrote to memory of 4808 4248 cmd.exe 104 PID 4248 wrote to memory of 4808 4248 cmd.exe 104 PID 4712 wrote to memory of 4152 4712 mstsca.exe 111 PID 4712 wrote to memory of 4152 4712 mstsca.exe 111 PID 4712 wrote to memory of 4152 4712 mstsca.exe 111
Processes
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\c9214cde-b07e-46b3-9bcd-ea1b73e97c1e" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:3164
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3732 -
C:\Users\Admin\AppData\Local\fe5e4e13-b6ea-46f0-8d40-1ba1ef6f2d9e\build2.exe"C:\Users\Admin\AppData\Local\fe5e4e13-b6ea-46f0-8d40-1ba1ef6f2d9e\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Users\Admin\AppData\Local\fe5e4e13-b6ea-46f0-8d40-1ba1ef6f2d9e\build2.exe"C:\Users\Admin\AppData\Local\fe5e4e13-b6ea-46f0-8d40-1ba1ef6f2d9e\build2.exe"6⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\fe5e4e13-b6ea-46f0-8d40-1ba1ef6f2d9e\build2.exe" & exit7⤵
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:4808
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C:\Users\Admin\AppData\Local\fe5e4e13-b6ea-46f0-8d40-1ba1ef6f2d9e\build3.exe"C:\Users\Admin\AppData\Local\fe5e4e13-b6ea-46f0-8d40-1ba1ef6f2d9e\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1564 -
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:4852
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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:4712 -
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:4152
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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
MD5ebf38835fd83d603ed2939112fe923d2
SHA127426896cf1aac5c41eff28eae202b44d92345f9
SHA2561b703c5ef0e6349372108f3a7a2033a365e50a17e8d7cd278f93e4444f232b71
SHA5127d4d060f679ba65f601e5e7d9bee51bec4bd801bb3440a5c1f856cfa643ccca152a670e38d1e458d419e5f41ee422d5f37029035e58c2e8e9ec9e0339c680a0d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5e23d8cd61c2e75283867a91ce42aa1dc
SHA1a86f54bb4f00cf0fcd3efc3951d54e168d25c7f4
SHA2560a8b65baa91fb423458dd64e067a6009cd4ce9a93c65ac4b448025403ab0ea9c
SHA51289483da80407e373d6d0f18b4ddd3976a5cd8e590b398de51e881623f54e4c146ec57def18c26c8f7ca5e7ed00b51b9a94d14ad38d2d716b416507b41144c5f4
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD56d6e966b4d8cbcf2ffe2342a05e94fe8
SHA11120ababc3f3abd7b4ebfa2a20f3d54f64627f4a
SHA256d676c94aa3d7b971e59aaac3f2a93fb53fd81676e67f596e6864367c86aa1169
SHA5129c59722b64a29ae93d29bbd102196ebff3b31b2dddae34be89a290dee717b5e5a733f50edc1d918e9ef0d0f7c6d850000ffbc5f161c169a25c6aabdbc0573330
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD516ed35a67b5b02e5dcb7e170222b1528
SHA15b9ad242b5927956b64be1fc817e4ed0430a7074
SHA2563aa18de8128419241ff1ad6038dae87d0a99f8df297891a51c017214255257a8
SHA5124dfb6118ff2a5c9033933da17876ca9d6fd7f616deac3f81edf9a9a47616e8e6750310c53c41fce417dec81e530523dd9f2470f5837865c1e46d79f3f78118c1
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Filesize
716KB
MD5b9d1129b10cb7833fc7ce9030a421b4e
SHA115eba569d6ea0136016b6b728a1678f922fb3008
SHA256c5cbb1cab733c0ea594d67991586f12e7fa8396e68a7067b26da469be0ab6ed1
SHA51273a7758220a1d8f5159b9ac55f50284be1e5468642ea424a6179f22b7f59d95a5389be523da34dc7364f1bf813b22fe6af77747818d08083687ac45b9dce1a85
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Filesize
299KB
MD56b343cd7dea3ae28d0819bc55a2f86fe
SHA1cedd49849a5dd678d0a55da607e9b28a9680073c
SHA2564240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49
SHA5127c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48
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Filesize
299KB
MD56b343cd7dea3ae28d0819bc55a2f86fe
SHA1cedd49849a5dd678d0a55da607e9b28a9680073c
SHA2564240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49
SHA5127c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48
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Filesize
299KB
MD56b343cd7dea3ae28d0819bc55a2f86fe
SHA1cedd49849a5dd678d0a55da607e9b28a9680073c
SHA2564240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49
SHA5127c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48
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Filesize
299KB
MD56b343cd7dea3ae28d0819bc55a2f86fe
SHA1cedd49849a5dd678d0a55da607e9b28a9680073c
SHA2564240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49
SHA5127c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48
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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