Analysis
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max time kernel
113s -
max time network
114s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3284-3-0x0000000002520000-0x000000000263B000-memory.dmp family_djvu behavioral2/memory/1668-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1668-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1668-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1668-7-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1668-21-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-27-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-25-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-51-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-57-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-68-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-69-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-71-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-72-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-73-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2788-74-0x0000000000400000-0x0000000000537000-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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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe -
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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\878498c5-e62f-4951-9ab5-7b4c036b25e0\\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 5 api.2ip.ua 6 api.2ip.ua 18 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exedescription pid Process procid_target PID 3284 set thread context of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 3064 set thread context of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87 -
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:
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exeicacls.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exedescription ioc Process 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 icacls.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 1668 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 1668 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 2788 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 2788 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exef0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exedescription pid Process procid_target PID 3284 wrote to memory of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 3284 wrote to memory of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 3284 wrote to memory of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 3284 wrote to memory of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 3284 wrote to memory of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 3284 wrote to memory of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 3284 wrote to memory of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 3284 wrote to memory of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 3284 wrote to memory of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 3284 wrote to memory of 1668 3284 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 83 PID 1668 wrote to memory of 2708 1668 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 84 PID 1668 wrote to memory of 2708 1668 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 84 PID 1668 wrote to memory of 2708 1668 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 84 PID 1668 wrote to memory of 3064 1668 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 85 PID 1668 wrote to memory of 3064 1668 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 85 PID 1668 wrote to memory of 3064 1668 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 85 PID 3064 wrote to memory of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87 PID 3064 wrote to memory of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87 PID 3064 wrote to memory of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87 PID 3064 wrote to memory of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87 PID 3064 wrote to memory of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87 PID 3064 wrote to memory of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87 PID 3064 wrote to memory of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87 PID 3064 wrote to memory of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87 PID 3064 wrote to memory of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87 PID 3064 wrote to memory of 2788 3064 f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe 87
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:3284 -
C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe"C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\878498c5-e62f-4951-9ab5-7b4c036b25e0" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2708
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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:3064 -
C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe"C:\Users\Admin\AppData\Local\Temp\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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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
MD5350df59d65cba66e55c8d9089dd4c968
SHA17043be97100503faefeefdbbe83465656f8bbfc4
SHA2560af6cbc2db0f0102cc3d243c613acea5fc8fcfa65f5e9d42b68a94390c4ca8ba
SHA512596d59ad64846c7324c2739e5e066642bac3ff0f7536024b52eedc0ce518d1d17688b4b68b461367a1e8e84ef88fe2ed47b7eebc4434dc15c44c546bb93d5f98
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD5e959a730af3a0acbfd364c0f818c0f1f
SHA1e43e25f5dfaf5df6f72d07af785fb5f664387cbd
SHA25675acf3704da329431e7e665aa91e0003ecc3d940a7a27ef37d487c911774492a
SHA512441227bfbf21fed12998083f17975551a688bd2fb08f80206e945a3eeea2c0ac820fb75d78b9d366e475c0c08dea9cf67a45fc23445e2db612e558020e248811
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Filesize
437B
MD56910426a598bc0b07dd6ca7c2faf5c22
SHA14304d65a08652b167453997e1464cc6ef034be23
SHA256ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692
SHA5125e96757fa5daa336968aa07d5fe5525040a081a547dd6bad55bed4539ad76b3f96aabd38f461efdafa4a427963b2a3187cc40dfa60c74e6c6ddf738176381952
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C:\Users\Admin\AppData\Local\878498c5-e62f-4951-9ab5-7b4c036b25e0\f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb.exe
Filesize713KB
MD5e52172154ddb3ba654b6b91fdce8020e
SHA168278fec9526ef91c1d06e5a83bced2dc13e178f
SHA256f0689cff028781477fb7e00cb27868980453ee4770b6b20dbf35d1d0e6de66fb
SHA51238c9b20cc56468026ebf6088174cd644456ea1acd5dc6a3a9fdbe328b7cb9e2f2c7ecf6ae3d3e798002a4fde3b1bcc61e696ff777071fbdd1efad24c504a6c5c
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Filesize
449B
MD5caa078f0348cda98328127c142e3bfed
SHA1e38274d642c806a3affcca8f7e37b61f591c47e6
SHA25691faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219
SHA5122e6a5c482b5226079c6b4bd9a706537c372a3b43962f64be6bdd281e3217f963316ef0eba38164890bdf14af6558eb26605320487f0a0c841be9bb813c2ee5d6