Analysis
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max time kernel
146s -
max time network
132s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
16-07-2023 09:04
Static task
static1
Behavioral task
behavioral1
Sample
3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe
Resource
win10-20230703-en
General
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Target
3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe
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Size
804KB
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MD5
22bf5e236d06502297e9a1a7719be907
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SHA1
d3512e37b460a48cb131f23feab00bd9ab89d050
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SHA256
3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed
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SHA512
8414aaeb73acfd41210ccd40211765f97120a95fbde43aecd27de5c1c8d4f62d616eab3754c9060024534638e08d347148e68a21f153b3cf7abd99faaebca9ba
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SSDEEP
12288:F6DJTRbpTo7R9pBD8YrjvCCjam7zlGTg7n4AvkQ9rF:UJTfT8RlwYnvFealGkT4AvnF
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.miza
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offline_id
1S27jnaC9TYNiwf9VvJvIx5XCXvgyoDAUXHnu0t1
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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-nSxayRgUNO 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: 0744Pokj
Extracted
vidar
4.7
https://t.me/eagl3z
https://t.me/eagl3z
https://steamcommunity.com/profiles/76561199159550234
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profile_id_v2
https://t.me/eagl3z
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1788.0 uacq
Signatures
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Detected Djvu ransomware 17 IoCs
resource yara_rule behavioral1/memory/4652-122-0x00000000022F0000-0x000000000240B000-memory.dmp family_djvu behavioral1/memory/4416-124-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4416-123-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4416-125-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4416-126-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4416-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3564-140-0x0000000002150000-0x00000000021EC000-memory.dmp family_djvu behavioral1/memory/3324-142-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3324-143-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3324-144-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3324-149-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3324-150-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3324-154-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3324-157-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3324-156-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3324-161-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3324-180-0x0000000000400000-0x0000000000537000-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 2 IoCs
pid Process 4856 build2.exe 4940 build2.exe -
Loads dropped DLL 2 IoCs
pid Process 4940 build2.exe 4940 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4828 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-1-5-21-4175128012-676912335-1083716439-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\0ca09e79-63da-4e58-8686-9df3aa4f47f4\\3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe\" --AutoStart" 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.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 1 api.2ip.ua 2 api.2ip.ua 13 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4652 set thread context of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 3564 set thread context of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 4856 set thread context of 4940 4856 build2.exe 75 -
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 -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4416 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 4416 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 3324 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 3324 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 4940 build2.exe 4940 build2.exe 4940 build2.exe 4940 build2.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 4652 wrote to memory of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 4652 wrote to memory of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 4652 wrote to memory of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 4652 wrote to memory of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 4652 wrote to memory of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 4652 wrote to memory of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 4652 wrote to memory of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 4652 wrote to memory of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 4652 wrote to memory of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 4652 wrote to memory of 4416 4652 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 69 PID 4416 wrote to memory of 4828 4416 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 70 PID 4416 wrote to memory of 4828 4416 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 70 PID 4416 wrote to memory of 4828 4416 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 70 PID 4416 wrote to memory of 3564 4416 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 71 PID 4416 wrote to memory of 3564 4416 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 71 PID 4416 wrote to memory of 3564 4416 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 71 PID 3564 wrote to memory of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 3564 wrote to memory of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 3564 wrote to memory of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 3564 wrote to memory of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 3564 wrote to memory of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 3564 wrote to memory of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 3564 wrote to memory of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 3564 wrote to memory of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 3564 wrote to memory of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 3564 wrote to memory of 3324 3564 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 73 PID 3324 wrote to memory of 4856 3324 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 74 PID 3324 wrote to memory of 4856 3324 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 74 PID 3324 wrote to memory of 4856 3324 3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe 74 PID 4856 wrote to memory of 4940 4856 build2.exe 75 PID 4856 wrote to memory of 4940 4856 build2.exe 75 PID 4856 wrote to memory of 4940 4856 build2.exe 75 PID 4856 wrote to memory of 4940 4856 build2.exe 75 PID 4856 wrote to memory of 4940 4856 build2.exe 75 PID 4856 wrote to memory of 4940 4856 build2.exe 75 PID 4856 wrote to memory of 4940 4856 build2.exe 75 PID 4856 wrote to memory of 4940 4856 build2.exe 75 PID 4856 wrote to memory of 4940 4856 build2.exe 75
Processes
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C:\Users\Admin\AppData\Local\Temp\3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe"C:\Users\Admin\AppData\Local\Temp\3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Users\Admin\AppData\Local\Temp\3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe"C:\Users\Admin\AppData\Local\Temp\3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\0ca09e79-63da-4e58-8686-9df3aa4f47f4" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4828
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C:\Users\Admin\AppData\Local\Temp\3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe"C:\Users\Admin\AppData\Local\Temp\3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Users\Admin\AppData\Local\Temp\3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe"C:\Users\Admin\AppData\Local\Temp\3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3324 -
C:\Users\Admin\AppData\Local\c069773c-bfc9-44a4-a006-66f3281194ef\build2.exe"C:\Users\Admin\AppData\Local\c069773c-bfc9-44a4-a006-66f3281194ef\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Users\Admin\AppData\Local\c069773c-bfc9-44a4-a006-66f3281194ef\build2.exe"C:\Users\Admin\AppData\Local\c069773c-bfc9-44a4-a006-66f3281194ef\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4940
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD5ec50490b07b4d77ae984e14377e81faf
SHA174330d98bc1ef271a37b3ae273efcccab1c335be
SHA25630afe1a3bcc9efa0dd4619e272548ef4ecc76817e67e04f69cb83f1e4380d716
SHA5123972532782f05f3d24f6e8e3ab8362dfc2603c24ffe5728404977b4d13f3dc360b76b6ab8056da98845f53d5d12d9d24981d0e6edcc042d0b885114417945c8f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5f232260646b9219a0d25be2ba7d3e80f
SHA1748c809b09ab1d39ef17ec453428cbc2449ef7b9
SHA2563217032d47b15ce1c91eb2dc77e765dd9acffb0029756f4dd02ab6c12e0bd65e
SHA5126eb067b352e6920b2fb6981d37ea3e3f59e3b5725a4ca797c34463b6e52e0b9e748d0cf31496b54c989bf7126d55b40d44850b7122f4d9fee3593926c4c6fedb
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD53c4d7a90730061a0afbcaa3073bd131a
SHA1511911d6e7216fc80e2178a9d4a14332d50576db
SHA256c3b5deae8377259f5a32cab66e46fee77b6244ac0883e8698460c6169e272e77
SHA51233d237209e0414889d7b70953ed0245aece3fe04ec032832f07dfeb6036bad63e6d2a9ca0b47afe01c79b75d10588d1ff21b82118129f094c57bea01b1be56f2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5845539bcdd8890acd53f953c7c550614
SHA198f0ca7eba35eda546b0560eed5b0e0b685fb739
SHA2568792d60a16b5c763aa8f54210ea380da051b287bb551557d5392b297e9dadbfc
SHA512d6a031d07a40ffa7a70c924506353db93cdc8f0d52719181091a30fa042438bfa07e38dbb1e020884c1b09b9660b03bb988248f2cb0fb8ba904e3f37e0f59869
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C:\Users\Admin\AppData\Local\0ca09e79-63da-4e58-8686-9df3aa4f47f4\3bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed.exe
Filesize804KB
MD522bf5e236d06502297e9a1a7719be907
SHA1d3512e37b460a48cb131f23feab00bd9ab89d050
SHA2563bca6078b15ba2c3e96fc99d1c5c3ead14517c9a5f98ae34bfdd8bc2596606ed
SHA5128414aaeb73acfd41210ccd40211765f97120a95fbde43aecd27de5c1c8d4f62d616eab3754c9060024534638e08d347148e68a21f153b3cf7abd99faaebca9ba
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Filesize
447KB
MD508819e55df0897a6dded1e5e6bf83601
SHA122d39992c6245b86ee8b14e0cc820e46a9094c45
SHA2563dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25
SHA51236ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b
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Filesize
447KB
MD508819e55df0897a6dded1e5e6bf83601
SHA122d39992c6245b86ee8b14e0cc820e46a9094c45
SHA2563dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25
SHA51236ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b
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Filesize
447KB
MD508819e55df0897a6dded1e5e6bf83601
SHA122d39992c6245b86ee8b14e0cc820e46a9094c45
SHA2563dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25
SHA51236ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b
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Filesize
1KB
MD504346db9f24a19c03a2578a79ca5252f
SHA126b510857e84ffaa0e5b89c3724a2a79c6311236
SHA256266c1ffdde59dfb922cd80a835257e277b85cbda7659028243286aea760190d3
SHA512cee5a839780c30ff6c99374d6b6905f1af3a061fdda6eb682e5d1b06a4c0077156d6b34c88d55567aa0ca2b57514d8cba433e90168bb1cb27c5af3fa150c46f2
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571