Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-12-2024 23:21
Static task
static1
Behavioral task
behavioral1
Sample
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe
Resource
win10v2004-20241007-en
General
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Target
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe
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Size
713KB
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MD5
e52172154ddb3ba654b6b91fdce8020e
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SHA1
68278fec9526ef91c1d06e5a83bced2dc13e178f
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SHA256
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb
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SHA512
38c9b20cc56468026ebf6088174cd644456ea1acd5dc6a3a9fdbe328b7cb9e2f2c7ecf6ae3d3e798002a4fde3b1bcc61e696ff777071fbdd1efad24c504a6c5c
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SSDEEP
12288:QRr71FAmv1eFrc4JTs+OuLO2TB07mBnY4YxsOtnRt+htHI+djNFWMd7m9c0FqpHL:8PAkEFBr1O2uSi4YxsOhH+hRIrMd7I4r
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.gaze
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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: 0710JOsie
Signatures
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Detected Djvu ransomware 16 IoCs
Processes:
resource yara_rule behavioral1/memory/3020-3-0x0000000002060000-0x000000000217B000-memory.dmp family_djvu behavioral1/memory/2768-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2768-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2768-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2768-32-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-39-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-41-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-57-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-56-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-66-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-72-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-83-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-87-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-86-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-84-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-88-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Djvu family
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Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\ebdb0cac-831f-47fa-b20b-3821c4b8ac12\\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe\" --AutoStart" f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.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.
Processes:
flow ioc 9 api.2ip.ua 3 api.2ip.ua 4 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exedescription pid Process procid_target PID 3020 set thread context of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 2628 set thread context of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
icacls.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exepid Process 2768 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 2768 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 2364 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 2364 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exedescription pid Process procid_target PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 3020 wrote to memory of 2768 3020 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 30 PID 2768 wrote to memory of 2444 2768 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 31 PID 2768 wrote to memory of 2444 2768 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 31 PID 2768 wrote to memory of 2444 2768 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 31 PID 2768 wrote to memory of 2444 2768 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 31 PID 2768 wrote to memory of 2628 2768 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 32 PID 2768 wrote to memory of 2628 2768 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 32 PID 2768 wrote to memory of 2628 2768 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 32 PID 2768 wrote to memory of 2628 2768 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 32 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33 PID 2628 wrote to memory of 2364 2628 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe"C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe"C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2768 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\ebdb0cac-831f-47fa-b20b-3821c4b8ac12" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2444
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C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe"C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe"C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2364
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD567e486b2f148a3fca863728242b6273e
SHA1452a84c183d7ea5b7c015b597e94af8eef66d44a
SHA256facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb
SHA512d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e
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Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Filesize174B
MD5aa7dae56d967e4592b02d27e812a12b6
SHA1fb28990fb6df850bff79a0a13fc6819b000f91a6
SHA2567650d8c8e78d83d90907674446ef5b643c6f81799412f92118ebff6e21df2e5e
SHA512739c3fcc8f7e40100cd2154f561c0b39532bea5c54035075460db54019612ba70267738d07017b036bb409e3f3e72a77bc2fe137dc7efccdfd8ddb086b95c457
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5544e6b504092733b4441d0a51133a165
SHA11338df799b2804c3470a3105c3b3d5b7312ff466
SHA2566dca59372650f9b1c002ba96a219f0d9e227ae9de4ab2e3c5d57bdc163be9301
SHA5124a0f5258970e35cadd7630d1b68966d3c960999cec2858b46053f1b4fc5c7ea5f8bcd0e46785db8bd1d7a675cc3ce4628d8e5f703887efe3dd65c2d5d3c960e0
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD5514d187fd451e70d2160f3741f668bb9
SHA1bc6d56e1b6605d150b085a38fa5fc38ce9e10c16
SHA256e9d5b25f082e037fd3b98202fa420c2413d9f6e5ebfb8d4b0412546f63d1bf36
SHA5124c8aa95b504efe596b62c7cf5a519fcfb1ff61cf719473d4040a2787bba6a634ace3f17585e238f6311e4bdc6815bf99919c675a05b07e07daa463ab029971f6
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Filesize
437B
MD56910426a598bc0b07dd6ca7c2faf5c22
SHA14304d65a08652b167453997e1464cc6ef034be23
SHA256ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692
SHA5125e96757fa5daa336968aa07d5fe5525040a081a547dd6bad55bed4539ad76b3f96aabd38f461efdafa4a427963b2a3187cc40dfa60c74e6c6ddf738176381952
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
449B
MD5caa078f0348cda98328127c142e3bfed
SHA1e38274d642c806a3affcca8f7e37b61f591c47e6
SHA25691faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219
SHA5122e6a5c482b5226079c6b4bd9a706537c372a3b43962f64be6bdd281e3217f963316ef0eba38164890bdf14af6558eb26605320487f0a0c841be9bb813c2ee5d6
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C:\Users\Admin\AppData\Local\ebdb0cac-831f-47fa-b20b-3821c4b8ac12\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe
Filesize713KB
MD5e52172154ddb3ba654b6b91fdce8020e
SHA168278fec9526ef91c1d06e5a83bced2dc13e178f
SHA256f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb
SHA51238c9b20cc56468026ebf6088174cd644456ea1acd5dc6a3a9fdbe328b7cb9e2f2c7ecf6ae3d3e798002a4fde3b1bcc61e696ff777071fbdd1efad24c504a6c5c