Analysis
-
max time kernel
148s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
16-06-2024 11:26
Static task
static1
Behavioral task
behavioral1
Sample
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe
Resource
win10v2004-20240611-en
General
-
Target
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe
-
Size
824KB
-
MD5
9b3e38e023020228484dcc008d6f6e52
-
SHA1
16a218483c71a8edeb7c43a9ff3696e53c586ef2
-
SHA256
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f
-
SHA512
0f46c3509890560a4c753efb5d6b940b545a2619b277c536fae8cb2dab280def9afd61b7d7d7e0ab08a879dcf2288705e92a3066b37da1a1c2b0e0ca64e98399
-
SSDEEP
24576:ATJYdNu+4/LN1WKVQ7A6WNETiczoc9myk:AGV4/LK+pPwRNmy
Malware Config
Extracted
djvu
http://cajgtus.com/test1/get.php
-
extension
.watz
-
offline_id
Lc3VTezPWbMhuVAQFzJUdeA68PwI7UDpc5aKHYt1
- payload_url
-
ransomnote
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Signatures
-
Detected Djvu ransomware 18 IoCs
Processes:
resource yara_rule behavioral2/memory/3264-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3264-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4572-2-0x00000000021B0000-0x00000000022CB000-memory.dmp family_djvu behavioral2/memory/3264-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3264-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3264-19-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-24-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-23-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-25-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-33-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-38-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-41-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-40-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-42-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3204-43-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe -
Modifies file permissions 1 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\fd32972d-8589-43b5-92c9-399f425b0234\\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe\" --AutoStart" 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.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 16 api.2ip.ua 17 api.2ip.ua 24 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exedescription pid process target process PID 4572 set thread context of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 set thread context of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exepid process 3264 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 3264 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 3204 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 3204 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exedescription pid process target process PID 4572 wrote to memory of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4572 wrote to memory of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4572 wrote to memory of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4572 wrote to memory of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4572 wrote to memory of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4572 wrote to memory of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4572 wrote to memory of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4572 wrote to memory of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4572 wrote to memory of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4572 wrote to memory of 3264 4572 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 3264 wrote to memory of 548 3264 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe icacls.exe PID 3264 wrote to memory of 548 3264 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe icacls.exe PID 3264 wrote to memory of 548 3264 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe icacls.exe PID 3264 wrote to memory of 4596 3264 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 3264 wrote to memory of 4596 3264 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 3264 wrote to memory of 4596 3264 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 wrote to memory of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 wrote to memory of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 wrote to memory of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 wrote to memory of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 wrote to memory of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 wrote to memory of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 wrote to memory of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 wrote to memory of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 wrote to memory of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4596 wrote to memory of 3204 4596 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\fd32972d-8589-43b5-92c9-399f425b0234" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12Filesize
1KB
MD52365869258df7a66a2121b802ca4afd9
SHA173acc30a2edeb9d6830de559bb8a74f35168135d
SHA256d6b1932822bbd72a8e78c771717d992142348f67d625a42393719fefbe59b0ed
SHA512795004bab536e128dbd81c188976d37c7b650efbfa5a80374df4c65a1049c27658f4620b7605583928eb167fcb69b4c99e4c8730c507b824a7bde9c7fb0e21f4
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8Filesize
436B
MD51bfe0a81db078ea084ff82fe545176fe
SHA150b116f578bd272922fa8eae94f7b02fd3b88384
SHA2565ba8817f13eee00e75158bad93076ab474a068c6b52686579e0f728fda68499f
SHA51237c582f3f09f8d80529608c09041295d1644bcc9de6fb8c4669b05339b0dd870f9525abc5eed53ad06a94b51441275504bc943c336c5beb63b53460ba836ca8d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12Filesize
174B
MD5954ce1ca8563d9fe2047aa3614c93b82
SHA1717038e7cafd6ce468daaa4d010b315561aa00aa
SHA2567b3b6b81870d4e5184c30328b5329ad709c114b894b38bed2cd92782c2acd9c7
SHA512a037c168963b4d1f022e17c8961ef00694fa24586d57ea2a52c319ada3b9affa18c589b6ce824107f9907965295e87d5fd437b474f7f15117e302c962cf1d0c4
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8Filesize
170B
MD5cdfdfc471fb8c35e0ad291f75cce769f
SHA1a60350f1f77eaabb61a77ef5642e68913116429c
SHA25620b1d81b331e819a0e4dcac0dde8712286f17f72296b8704684f1601caf8f880
SHA51291e9e62a4cf88748320e0009aed73ca63e9c1a520bc5344e9793a48930edacf9139f531c22fa1c189dc90c56a1bd4bf1f1308dd3a04311435a0ebc20d6e3c35c
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C:\Users\Admin\AppData\Local\fd32972d-8589-43b5-92c9-399f425b0234\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exeFilesize
824KB
MD59b3e38e023020228484dcc008d6f6e52
SHA116a218483c71a8edeb7c43a9ff3696e53c586ef2
SHA256567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f
SHA5120f46c3509890560a4c753efb5d6b940b545a2619b277c536fae8cb2dab280def9afd61b7d7d7e0ab08a879dcf2288705e92a3066b37da1a1c2b0e0ca64e98399
-
memory/3204-25-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3204-33-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3204-43-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3204-42-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3204-24-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3204-23-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3204-40-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3204-41-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3204-38-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3204-36-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/3204-34-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3204-35-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/3264-3-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3264-6-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3264-4-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3264-5-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3264-19-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4572-2-0x00000000021B0000-0x00000000022CB000-memory.dmpFilesize
1.1MB
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memory/4572-1-0x00000000005B0000-0x0000000000648000-memory.dmpFilesize
608KB
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memory/4596-26-0x0000000000400000-0x00000000004DE000-memory.dmpFilesize
888KB
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memory/4596-21-0x0000000000400000-0x00000000004DE000-memory.dmpFilesize
888KB