Analysis
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max time kernel
145s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
22/07/2023, 06:58
Static task
static1
Behavioral task
behavioral1
Sample
362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe
Resource
win10v2004-20230703-en
General
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Target
362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe
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Size
765KB
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MD5
ec3f1fa4b009df01bf69c2dfac5dd7a0
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SHA1
49fa0f9a50c11684b2928afb61bc46227945c180
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SHA256
362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3
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SHA512
7f641f5dfed2222bc889183e7b379ae76878eaf98607d2f3bcbb0adfac8ada3fa8c06a39338b59588ad2463145ea50d8885897f97b3e8700afef4776f190e100
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SSDEEP
12288:g5p5Vr31IFHjwPTgIQox1HzfMwBWNHwKEsgfzi2582gtHwuwQcQOXhXqhiWa:g1Vz1AwP8IQW1PBWNufzHn2l/iWa
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.kizu
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offline_id
NGHsYuVPwlgoEkG3ENtueNmXtFHSWod7fYayU9t1
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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-lOjoPPuBzw 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: 0747JOsie
Extracted
vidar
4.8
https://t.me/sundayevent
https://t.me/sundayevent
https://steamcommunity.com/profiles/76561198982268531
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profile_id_v2
https://t.me/sundayevent
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user_agent
Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9
Signatures
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Detected Djvu ransomware 17 IoCs
resource yara_rule behavioral1/memory/1128-135-0x00000000043C0000-0x00000000044DB000-memory.dmp family_djvu behavioral1/memory/4392-136-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4392-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4392-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4392-139-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4392-148-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-153-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-154-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-155-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-160-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-161-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-176-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-270-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-272-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-273-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-274-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/320-276-0x0000000000400000-0x0000000000537000-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 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Control Panel\International\Geo\Nation 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe Key value queried \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Control Panel\International\Geo\Nation 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe -
Executes dropped EXE 2 IoCs
pid Process 3340 build2.exe 1248 build2.exe -
Loads dropped DLL 2 IoCs
pid Process 1248 build2.exe 1248 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4000 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-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\e06150a8-5c8d-4bf7-ac07-543e974b17ca\\362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe\" --AutoStart" 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.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 19 api.2ip.ua 20 api.2ip.ua 29 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1128 set thread context of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 4564 set thread context of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 3340 set thread context of 1248 3340 build2.exe 98 -
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 -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4392 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 4392 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 320 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 320 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 1248 build2.exe 1248 build2.exe 1248 build2.exe 1248 build2.exe 1248 build2.exe 1248 build2.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 1128 wrote to memory of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 1128 wrote to memory of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 1128 wrote to memory of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 1128 wrote to memory of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 1128 wrote to memory of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 1128 wrote to memory of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 1128 wrote to memory of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 1128 wrote to memory of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 1128 wrote to memory of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 1128 wrote to memory of 4392 1128 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 85 PID 4392 wrote to memory of 4000 4392 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 88 PID 4392 wrote to memory of 4000 4392 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 88 PID 4392 wrote to memory of 4000 4392 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 88 PID 4392 wrote to memory of 4564 4392 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 89 PID 4392 wrote to memory of 4564 4392 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 89 PID 4392 wrote to memory of 4564 4392 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 89 PID 4564 wrote to memory of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 4564 wrote to memory of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 4564 wrote to memory of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 4564 wrote to memory of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 4564 wrote to memory of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 4564 wrote to memory of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 4564 wrote to memory of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 4564 wrote to memory of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 4564 wrote to memory of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 4564 wrote to memory of 320 4564 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 93 PID 320 wrote to memory of 3340 320 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 95 PID 320 wrote to memory of 3340 320 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 95 PID 320 wrote to memory of 3340 320 362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe 95 PID 3340 wrote to memory of 1248 3340 build2.exe 98 PID 3340 wrote to memory of 1248 3340 build2.exe 98 PID 3340 wrote to memory of 1248 3340 build2.exe 98 PID 3340 wrote to memory of 1248 3340 build2.exe 98 PID 3340 wrote to memory of 1248 3340 build2.exe 98 PID 3340 wrote to memory of 1248 3340 build2.exe 98 PID 3340 wrote to memory of 1248 3340 build2.exe 98 PID 3340 wrote to memory of 1248 3340 build2.exe 98 PID 3340 wrote to memory of 1248 3340 build2.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe"C:\Users\Admin\AppData\Local\Temp\362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Users\Admin\AppData\Local\Temp\362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe"C:\Users\Admin\AppData\Local\Temp\362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\e06150a8-5c8d-4bf7-ac07-543e974b17ca" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4000
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C:\Users\Admin\AppData\Local\Temp\362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe"C:\Users\Admin\AppData\Local\Temp\362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Users\Admin\AppData\Local\Temp\362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe"C:\Users\Admin\AppData\Local\Temp\362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Users\Admin\AppData\Local\7d434254-d30c-4beb-8d88-b8161b07dbaf\build2.exe"C:\Users\Admin\AppData\Local\7d434254-d30c-4beb-8d88-b8161b07dbaf\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Users\Admin\AppData\Local\7d434254-d30c-4beb-8d88-b8161b07dbaf\build2.exe"C:\Users\Admin\AppData\Local\7d434254-d30c-4beb-8d88-b8161b07dbaf\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1248
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
MD51ebe29638ced3f7ce8f725b6b7ff46f8
SHA1b4ebbbabed6499321a14b3c4a4a74adcce55135f
SHA256d032207b8a1c95e10ebcab100057c875d1f389bdafe042b7a250eb1c5cfdfef1
SHA51258362c445b1344418b72ed764a6cb5838acbc1a3fe44fa6d458741daa6ba0303f280ccda11fba9c2dba10f9013d939aedbab8ec6123e97ce22a243e1dc1f985e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5c01fcb0db5aded4a825c1d7f97a35e1a
SHA15a75b3fbfd39566b06363f68a98ea146941f262d
SHA256ada788b4cbd81874fb4feaac47fb8d0a31871fde641e9dcd45ee615204f21b46
SHA51288e01d9238db41d9d6bdebe56f43a3c7167c3765e3d00945660ab9b3cb0277337271117ece43d491dfc86dc99afcb0caae80148d9143c95b55483b27c86a67f9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD59013e7e272e6793e70e79f04cc32e240
SHA1dc683ffc7f9cc0251cf98ebe852c02187e67a676
SHA256f6dfd620158a96e766d6db9fd85a81148db6760d61f13e922586369b7e58a10c
SHA512ad1d21a0c49cf45a7a77bfba0143633dd450003eeac937374355ce6d6d0cd045d5ae0b1f10540646f019eb10d6c7131908e35bb54d5d93b34b0f1f4f36f0677d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD57891fecf441ae9890703818a5d1e9734
SHA1a64ae6b97ab411c429a216111bca9cbf12ec0344
SHA256b18218b0754b56c75b25cd345663ce6651df8af5c54fb5e1f7245ed9462dcf0b
SHA51268ed975d1578e2fef3809d53badccbe7bab56c86aa7695b8af6fe9801629fb426ada1e8a7f9eadaf44307f6e2c8ee86638780baa9893e28da65f7c4c2a65bbda
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Filesize
524KB
MD55c08a40f82908735b187705b49de1fc3
SHA16e108f3f6611f46941869d7fcbe02c47219c0523
SHA2567539d1cff13c822fbffc73cb9416dd8ae40d79f59b03b1e77b0909e182b6bd2b
SHA51276d06c1686e1ec9bec07188769e3a851b98f042e962eee74bd195e156d15fd9ebc4997b10af092561178ef3918e86dd620d7070934db7b1f5a5449c19cfbe1fd
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Filesize
524KB
MD55c08a40f82908735b187705b49de1fc3
SHA16e108f3f6611f46941869d7fcbe02c47219c0523
SHA2567539d1cff13c822fbffc73cb9416dd8ae40d79f59b03b1e77b0909e182b6bd2b
SHA51276d06c1686e1ec9bec07188769e3a851b98f042e962eee74bd195e156d15fd9ebc4997b10af092561178ef3918e86dd620d7070934db7b1f5a5449c19cfbe1fd
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Filesize
524KB
MD55c08a40f82908735b187705b49de1fc3
SHA16e108f3f6611f46941869d7fcbe02c47219c0523
SHA2567539d1cff13c822fbffc73cb9416dd8ae40d79f59b03b1e77b0909e182b6bd2b
SHA51276d06c1686e1ec9bec07188769e3a851b98f042e962eee74bd195e156d15fd9ebc4997b10af092561178ef3918e86dd620d7070934db7b1f5a5449c19cfbe1fd
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Filesize
524KB
MD55c08a40f82908735b187705b49de1fc3
SHA16e108f3f6611f46941869d7fcbe02c47219c0523
SHA2567539d1cff13c822fbffc73cb9416dd8ae40d79f59b03b1e77b0909e182b6bd2b
SHA51276d06c1686e1ec9bec07188769e3a851b98f042e962eee74bd195e156d15fd9ebc4997b10af092561178ef3918e86dd620d7070934db7b1f5a5449c19cfbe1fd
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C:\Users\Admin\AppData\Local\e06150a8-5c8d-4bf7-ac07-543e974b17ca\362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3.exe
Filesize765KB
MD5ec3f1fa4b009df01bf69c2dfac5dd7a0
SHA149fa0f9a50c11684b2928afb61bc46227945c180
SHA256362085edc7090a9777e56166a404e11d6b1c0103639da383cd37915f0ef1d1a3
SHA5127f641f5dfed2222bc889183e7b379ae76878eaf98607d2f3bcbb0adfac8ada3fa8c06a39338b59588ad2463145ea50d8885897f97b3e8700afef4776f190e100