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Analysis
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max time kernel
145s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
21/05/2023, 14:45
Static task
static1
Behavioral task
behavioral1
Sample
mapper918.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
mapper918.exe
Resource
win10v2004-20230220-en
General
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Target
mapper918.exe
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Size
788KB
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MD5
9a8c51a212f4e459593cdd7f833d06c0
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SHA1
c7c0fb20616f7916e967bc7e09a78ea9e86ce68a
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SHA256
17e627f0cc8314de0c16f1a7bdbd1c21e3694a73b9b81845c4ca76d47a0e04de
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SHA512
4ce1f540d785ed5144926346c3088b306f51fd035d1ebd82f1c883517851f6e55b5fb1de4fb1997daca4e31ba71a67ea7d0d83fd3b9b6b183497ab8c5dda9194
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SSDEEP
12288:X44GZxRMcH6mr0ZB2N7KKFn/Od6inHbNAphxwB+dVrv9VQOUEW+2v0on:XkZxRKmAB4GKN2d6iH2z1v9aOUqU
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/1412-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1412-135-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3448-136-0x0000000002460000-0x000000000257B000-memory.dmp family_djvu behavioral2/memory/1412-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1412-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1412-148-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4320-151-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4320-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4320-157-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4320-158-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4320-159-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4320-168-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4320-170-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4320-178-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4320-206-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4320-283-0x0000000000400000-0x0000000000537000-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-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation mapper918.exe Key value queried \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation mapper918.exe -
Executes dropped EXE 4 IoCs
pid Process 2228 build2.exe 3800 build2.exe 4444 build3.exe 1172 mstsca.exe -
Loads dropped DLL 2 IoCs
pid Process 3800 build2.exe 3800 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4600 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-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\3496caa7-688f-487f-90f9-4c9c30b6b080\\mapper918.exe\" --AutoStart" mapper918.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 14 api.2ip.ua 28 api.2ip.ua 12 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3448 set thread context of 1412 3448 mapper918.exe 85 PID 228 set thread context of 4320 228 mapper918.exe 89 PID 2228 set thread context of 3800 2228 build2.exe 97 -
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 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 4924 schtasks.exe 2568 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1412 mapper918.exe 1412 mapper918.exe 4320 mapper918.exe 4320 mapper918.exe 3800 build2.exe 3800 build2.exe -
Suspicious use of WriteProcessMemory 47 IoCs
description pid Process procid_target PID 3448 wrote to memory of 1412 3448 mapper918.exe 85 PID 3448 wrote to memory of 1412 3448 mapper918.exe 85 PID 3448 wrote to memory of 1412 3448 mapper918.exe 85 PID 3448 wrote to memory of 1412 3448 mapper918.exe 85 PID 3448 wrote to memory of 1412 3448 mapper918.exe 85 PID 3448 wrote to memory of 1412 3448 mapper918.exe 85 PID 3448 wrote to memory of 1412 3448 mapper918.exe 85 PID 3448 wrote to memory of 1412 3448 mapper918.exe 85 PID 3448 wrote to memory of 1412 3448 mapper918.exe 85 PID 3448 wrote to memory of 1412 3448 mapper918.exe 85 PID 1412 wrote to memory of 4600 1412 mapper918.exe 86 PID 1412 wrote to memory of 4600 1412 mapper918.exe 86 PID 1412 wrote to memory of 4600 1412 mapper918.exe 86 PID 1412 wrote to memory of 228 1412 mapper918.exe 87 PID 1412 wrote to memory of 228 1412 mapper918.exe 87 PID 1412 wrote to memory of 228 1412 mapper918.exe 87 PID 228 wrote to memory of 4320 228 mapper918.exe 89 PID 228 wrote to memory of 4320 228 mapper918.exe 89 PID 228 wrote to memory of 4320 228 mapper918.exe 89 PID 228 wrote to memory of 4320 228 mapper918.exe 89 PID 228 wrote to memory of 4320 228 mapper918.exe 89 PID 228 wrote to memory of 4320 228 mapper918.exe 89 PID 228 wrote to memory of 4320 228 mapper918.exe 89 PID 228 wrote to memory of 4320 228 mapper918.exe 89 PID 228 wrote to memory of 4320 228 mapper918.exe 89 PID 228 wrote to memory of 4320 228 mapper918.exe 89 PID 4320 wrote to memory of 2228 4320 mapper918.exe 96 PID 4320 wrote to memory of 2228 4320 mapper918.exe 96 PID 4320 wrote to memory of 2228 4320 mapper918.exe 96 PID 2228 wrote to memory of 3800 2228 build2.exe 97 PID 2228 wrote to memory of 3800 2228 build2.exe 97 PID 2228 wrote to memory of 3800 2228 build2.exe 97 PID 2228 wrote to memory of 3800 2228 build2.exe 97 PID 2228 wrote to memory of 3800 2228 build2.exe 97 PID 2228 wrote to memory of 3800 2228 build2.exe 97 PID 2228 wrote to memory of 3800 2228 build2.exe 97 PID 2228 wrote to memory of 3800 2228 build2.exe 97 PID 2228 wrote to memory of 3800 2228 build2.exe 97 PID 4320 wrote to memory of 4444 4320 mapper918.exe 99 PID 4320 wrote to memory of 4444 4320 mapper918.exe 99 PID 4320 wrote to memory of 4444 4320 mapper918.exe 99 PID 4444 wrote to memory of 4924 4444 build3.exe 101 PID 4444 wrote to memory of 4924 4444 build3.exe 101 PID 4444 wrote to memory of 4924 4444 build3.exe 101 PID 1172 wrote to memory of 2568 1172 mstsca.exe 103 PID 1172 wrote to memory of 2568 1172 mstsca.exe 103 PID 1172 wrote to memory of 2568 1172 mstsca.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\mapper918.exe"C:\Users\Admin\AppData\Local\Temp\mapper918.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Users\Admin\AppData\Local\Temp\mapper918.exe"C:\Users\Admin\AppData\Local\Temp\mapper918.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1412 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\3496caa7-688f-487f-90f9-4c9c30b6b080" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4600
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C:\Users\Admin\AppData\Local\Temp\mapper918.exe"C:\Users\Admin\AppData\Local\Temp\mapper918.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:228 -
C:\Users\Admin\AppData\Local\Temp\mapper918.exe"C:\Users\Admin\AppData\Local\Temp\mapper918.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4320 -
C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe"C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe"C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3800
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C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build3.exe"C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4444 -
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:4924
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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:1172 -
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:2568
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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
MD5cb219b121c03308da05e261107dcde69
SHA12816c0b95985ce8b42e4f8c30aae93279c3979ef
SHA256d18ee47a9beb6ab36215bb1b778ec97d87c7b6c16ab6449fc6da51ec5ef9967b
SHA5126353b7fa84d06fcb975882c3fb9d0c7e0103ccbbab1101fdb9310ed0d55657e5f714527d59e0d57e9949dc1ecbb9265567cb5393f2a9d9c5968e641b56b82cb3
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5374bcc93961e172a78f2a2ded74f3433
SHA1e9bbbb1dcbea961e0aa7d502d032c2fe009397b8
SHA256a6032f21906faae6e57164b9048d08c6f65fccc04ac64a3fe622f0f0360e5239
SHA5126272ff1b1c042adec0f2a424f582f1567c4ce068ef98d8bdb1fee5727c075f2994a27f323a2e45d90b0b993a003741e40810a7ca920a6f5d81f821835f0e69ed
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD5ebcf8fc5a8b6793e192316ff0c064ebb
SHA19468b52291d8ecc8ab163f250d40929b92616ab6
SHA2560dbbb8ae78bd98d595a3a8f775107d049f8fd70e995180e38b56ad7bb2f19528
SHA51232b6b61e349f378363c62dfe765065a2ece417f85eb58638476d8283afa17721bfd21c807a1d42b256a3cc14ec8093d66cd5262d260a79b7e4ff2f98f07caa94
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD57e2bbae0c17aeaf18f33938b701736ff
SHA14ee6a688c4f59857c7a0265c078c0a332d604ccc
SHA2567c69c531cff17f57ebe0473117d58bd481d7b1c842d6599895c5cda99ac7af34
SHA512a2e029f68784e300a03f8707c86ca4fdef082b5338a8a71ac9ce7a4a5ef4c6ac109b73110c7b7de00bad51dde3dc8a79ba2e140d265fc35980e92bfa633cf7d5
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Filesize
788KB
MD59a8c51a212f4e459593cdd7f833d06c0
SHA1c7c0fb20616f7916e967bc7e09a78ea9e86ce68a
SHA25617e627f0cc8314de0c16f1a7bdbd1c21e3694a73b9b81845c4ca76d47a0e04de
SHA5124ce1f540d785ed5144926346c3088b306f51fd035d1ebd82f1c883517851f6e55b5fb1de4fb1997daca4e31ba71a67ea7d0d83fd3b9b6b183497ab8c5dda9194
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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