Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09/04/2024, 07:12
Static task
static1
Behavioral task
behavioral1
Sample
0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe
Resource
win10v2004-20240226-en
General
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Target
0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe
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Size
818KB
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MD5
fef3fae9a8103459710315ae65e597d6
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SHA1
437cb3048629d4a267630de1ec53813a009f67b8
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SHA256
0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6
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SHA512
086b153dbc3c3fa91635086f58c3d1b801903692267efe109fb93a82761edf6d2e0b3b40c1510f51add1fb2f4eb4e9c699d6f220bcdf15535d9c56836f6cddf9
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SSDEEP
12288:YDxxAEMfsPCtyiUInGOeKmuBbb9qCjivqOpoCrPuszCHY48tBPlcodTFIl:sxxAhUPnVbKmadziHBbrqV8tfFI
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.dapo
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offline_id
8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Signatures
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Detected Djvu ransomware 19 IoCs
resource yara_rule behavioral2/memory/772-3-0x0000000004880000-0x000000000499B000-memory.dmp family_djvu behavioral2/memory/4804-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4804-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4804-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4804-7-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4804-18-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-22-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-23-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-31-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-32-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-33-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-42-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-43-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-45-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-46-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-47-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3516-49-0x0000000000400000-0x0000000000537000-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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 5092 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\0f0523ac-12c8-4b7b-8075-de61dc30644c\\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe\" --AutoStart" 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.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.
flow ioc 7 api.2ip.ua 8 api.2ip.ua 18 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 772 set thread context of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 3432 set thread context of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4804 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 4804 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 3516 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 3516 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 772 wrote to memory of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 772 wrote to memory of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 772 wrote to memory of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 772 wrote to memory of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 772 wrote to memory of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 772 wrote to memory of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 772 wrote to memory of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 772 wrote to memory of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 772 wrote to memory of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 772 wrote to memory of 4804 772 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 86 PID 4804 wrote to memory of 5092 4804 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 89 PID 4804 wrote to memory of 5092 4804 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 89 PID 4804 wrote to memory of 5092 4804 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 89 PID 4804 wrote to memory of 3432 4804 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 90 PID 4804 wrote to memory of 3432 4804 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 90 PID 4804 wrote to memory of 3432 4804 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 90 PID 3432 wrote to memory of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92 PID 3432 wrote to memory of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92 PID 3432 wrote to memory of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92 PID 3432 wrote to memory of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92 PID 3432 wrote to memory of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92 PID 3432 wrote to memory of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92 PID 3432 wrote to memory of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92 PID 3432 wrote to memory of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92 PID 3432 wrote to memory of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92 PID 3432 wrote to memory of 3516 3432 0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe"C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe"C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\0f0523ac-12c8-4b7b-8075-de61dc30644c" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:5092
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C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe"C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe"C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:3516
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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_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize1KB
MD5fc5408c48a55314c72e200b74330cac4
SHA17e8889ec3189a40e6078088927bf3612753fa628
SHA2567ea2a016d97635b1367455af2250cbf9e9c34d293829d11fc21ce905347590c4
SHA512481753ef755c188012919ea728ea0395f22b6ce83f2f9a11675be6072f154db141b2382dc62ad7c3c95e36596529176a66f40e3d118cf0e33ea8e6f716ae1d77
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize724B
MD58202a1cd02e7d69597995cabbe881a12
SHA18858d9d934b7aa9330ee73de6c476acf19929ff6
SHA25658f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
SHA51297ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize410B
MD50f76e01e7910058484ffdbca184d7338
SHA159fb55d849e6fd7896559f56bf185443730d9e67
SHA2567af3af0f7f9a9e272589e881ea95aa3b5aaa1845484e37974912ec0465568bbe
SHA512bf1e6e6b99f109d0d780f3ca35a4cbd457e6eba23d83b75dbf55ec4517599a9900a950f85809a9d7d2028eaba2c1460ef09d9f1095621ab564b097cd6653d311
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize392B
MD572415087cef8170cd626b29259babb4f
SHA10c9589258c674fc0d30140650c1ffc980c5c7c42
SHA256ecfd35883cd260ca35e3320af43aea965bb31388914d14cefeb05b19818043a9
SHA5126d1ba9b79a99d3dfc8e46ddd39f108fe21512184c2971f92b00574477e17aa51322dfeed5bb10e881484580bc0203cde62b003e5320cec43c65f387557509a56
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C:\Users\Admin\AppData\Local\0f0523ac-12c8-4b7b-8075-de61dc30644c\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe
Filesize818KB
MD5fef3fae9a8103459710315ae65e597d6
SHA1437cb3048629d4a267630de1ec53813a009f67b8
SHA2560e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6
SHA512086b153dbc3c3fa91635086f58c3d1b801903692267efe109fb93a82761edf6d2e0b3b40c1510f51add1fb2f4eb4e9c699d6f220bcdf15535d9c56836f6cddf9