Analysis
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max time kernel
149s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 16:07
Static task
static1
Behavioral task
behavioral1
Sample
0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe
Resource
win11-20240508-en
General
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Target
0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe
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Size
771KB
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MD5
68efa1ec3f227277cdb2949de32ed7b6
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SHA1
ae14baa9795f3e2d3489d6633d1931cc8f342d89
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SHA256
0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab
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SHA512
9fed06969435d48457b28113c4ca6bf1fffa700781e64388fa773ff2cd31b37bb24310b48e6e38e33f140ab2cb2d0e74dfbf74e881d89db03701de085bc31a77
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SSDEEP
12288:edad8K8oq8wVpXVSE+pnYu4B1QvVundRBf1Pb9Z0YANYjUs5k4n/Te01:edo8K8oCtOnYuwWvVEd7f1RZpANYA4/
Malware Config
Extracted
djvu
http://cajgtus.com/test1/get.php
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extension
.vepi
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offline_id
EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://cajgtus.com/files/1/build3.exe
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ransomnote
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Signatures
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Detected Djvu ransomware 16 IoCs
Processes:
resource yara_rule behavioral1/memory/2112-2-0x0000000003CC0000-0x0000000003DDB000-memory.dmp family_djvu behavioral1/memory/3940-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3940-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3940-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3940-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3940-19-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4272-22-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4272-28-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4272-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4272-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/5104-33-0x0000000000400000-0x000000000200C000-memory.dmp family_djvu behavioral1/memory/4272-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4272-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4272-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4272-38-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4272-39-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\bf21ed68-40d1-4904-bf87-9352a82b4d03\\0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe\" --AutoStart" 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.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 2 api.2ip.ua 6 api.2ip.ua 21 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exedescription pid process target process PID 2112 set thread context of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 set thread context of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exepid process 3940 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 3940 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 4272 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 4272 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exedescription pid process target process PID 2112 wrote to memory of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 2112 wrote to memory of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 2112 wrote to memory of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 2112 wrote to memory of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 2112 wrote to memory of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 2112 wrote to memory of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 2112 wrote to memory of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 2112 wrote to memory of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 2112 wrote to memory of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 2112 wrote to memory of 3940 2112 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 3940 wrote to memory of 1276 3940 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe icacls.exe PID 3940 wrote to memory of 1276 3940 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe icacls.exe PID 3940 wrote to memory of 1276 3940 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe icacls.exe PID 3940 wrote to memory of 5104 3940 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 3940 wrote to memory of 5104 3940 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 3940 wrote to memory of 5104 3940 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 wrote to memory of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 wrote to memory of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 wrote to memory of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 wrote to memory of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 wrote to memory of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 wrote to memory of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 wrote to memory of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 wrote to memory of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 wrote to memory of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe PID 5104 wrote to memory of 4272 5104 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe 0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe"C:\Users\Admin\AppData\Local\Temp\0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Users\Admin\AppData\Local\Temp\0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe"C:\Users\Admin\AppData\Local\Temp\0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3940 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\bf21ed68-40d1-4904-bf87-9352a82b4d03" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:1276 -
C:\Users\Admin\AppData\Local\Temp\0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe"C:\Users\Admin\AppData\Local\Temp\0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Users\Admin\AppData\Local\Temp\0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe"C:\Users\Admin\AppData\Local\Temp\0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:4272
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAFilesize
1KB
MD59e130b50184e39e32205c9dd3befee15
SHA1150b8bfb3208d3a854996e02c1470d81530335b5
SHA2567b5bd8bc8ac2cd655c212c4790e5d9a259046730a9f0bb51616b036da55d2c50
SHA5123cf76690e692c874792fa99d6358ebdd3596bab33bede653067375fc7de617eb7f150f52e640d34b2d51dcbe39c5bb88381bdc0279054ab65d5f1492d89f648f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464Filesize
724B
MD58202a1cd02e7d69597995cabbe881a12
SHA18858d9d934b7aa9330ee73de6c476acf19929ff6
SHA25658f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
SHA51297ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAFilesize
410B
MD5ce1d8d9f17e80d48d5a3698b3371bff2
SHA14f2ec8a14eed33912cb79d7c3384213b34a226ba
SHA2562d072992471588a926efea3334a3e1efaddc8cea0b3e15dcadfffb146f6d34f9
SHA512a230db74ebed8c3497ee2ee9b48c756bb1106313961e99784dd11d1fc92c65a7f89e2240d23c0b16148615fcf873e43355c962cbfb3d5176585792a04df1ae5a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464Filesize
392B
MD5f5c0ce1ba003c5b3207a2ca5c24ef936
SHA10545627bd98391ed6aa1f29ce78f73f918df29fb
SHA2565e19905f4bebdc02e7bb4515a1600b7a1b5a5164052bbc3587effea3c534a23d
SHA512523ff68c9d4e313de75a15435ed11f85797d4f4238e50bc6cf77efc337032303fb986aefd021beda7a460daeb8c13ad2328d51fd3b7f02650a84274ed4ec8caf
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C:\Users\Admin\AppData\Local\bf21ed68-40d1-4904-bf87-9352a82b4d03\0dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab.exeFilesize
771KB
MD568efa1ec3f227277cdb2949de32ed7b6
SHA1ae14baa9795f3e2d3489d6633d1931cc8f342d89
SHA2560dd13bb53f2bf14cec90240dacf1dc23c001faf737540776867df1712019a7ab
SHA5129fed06969435d48457b28113c4ca6bf1fffa700781e64388fa773ff2cd31b37bb24310b48e6e38e33f140ab2cb2d0e74dfbf74e881d89db03701de085bc31a77
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memory/2112-2-0x0000000003CC0000-0x0000000003DDB000-memory.dmpFilesize
1.1MB
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memory/2112-1-0x00000000021E0000-0x0000000002273000-memory.dmpFilesize
588KB
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memory/3940-6-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3940-3-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/3940-4-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/3940-19-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3940-5-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4272-28-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4272-22-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/4272-29-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4272-30-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4272-34-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4272-37-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4272-36-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4272-38-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4272-39-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/5104-23-0x0000000000400000-0x000000000200C000-memory.dmpFilesize
28.0MB
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memory/5104-33-0x0000000000400000-0x000000000200C000-memory.dmpFilesize
28.0MB