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Analysis
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max time kernel
147s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09/04/2024, 09:49
Static task
static1
Behavioral task
behavioral1
Sample
e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
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Size
711KB
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MD5
e9b7be0e8c22db244de8af36e27a659d
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SHA1
4161eac953f65889890904479e43333e3969f409
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SHA256
76ee80e6da636e1751c2a9d7c7d4f18e3068babd79d8333961eaee1bca7c50e6
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SHA512
9863c1b1841c692f5206372763a62eace87e1a85a295c7acfa6e6dfc59b7d1531d56cb2e0a7886f0eb2c08824a4c9fd789866f2a1f353a4b867b57d7f74cc001
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SSDEEP
12288:YsQq4qRTKKrRZU8XdT0LAQIenXN14XXKH1ruCkL5/qwW/laO:sq4qlrs8XdAke911YLGMO
Malware Config
Extracted
djvu
http://astdg.top/fhsgtsspen6/get.php
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extension
.hoop
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offline_id
922IaqlBU1I6IKX6eTDABuH3amHHwoa5qUSb8vt1
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payload_url
http://securebiz.org/dl/build2.exe
http://astdg.top/files/1/build3.exe
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ransomnote
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Signatures
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Detected Djvu ransomware 15 IoCs
resource yara_rule behavioral1/memory/2264-2-0x0000000004570000-0x000000000468B000-memory.dmp family_djvu behavioral1/memory/2060-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2060-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2060-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2060-27-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2520-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2520-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2520-50-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2520-51-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2520-52-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2520-55-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2520-57-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2520-58-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2520-59-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2520-60-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Modifies file permissions 1 TTPs 1 IoCs
pid Process 2944 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\8bebaf58-452d-4677-88a1-31d25f05eec3\\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe\" --AutoStart" e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.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 3 api.2ip.ua 4 api.2ip.ua 9 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2264 set thread context of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2680 set thread context of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2060 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 2520 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 2520 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2264 wrote to memory of 2060 2264 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 28 PID 2060 wrote to memory of 2944 2060 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 29 PID 2060 wrote to memory of 2944 2060 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 29 PID 2060 wrote to memory of 2944 2060 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 29 PID 2060 wrote to memory of 2944 2060 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 29 PID 2060 wrote to memory of 2680 2060 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 30 PID 2060 wrote to memory of 2680 2060 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 30 PID 2060 wrote to memory of 2680 2060 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 30 PID 2060 wrote to memory of 2680 2060 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 30 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31 PID 2680 wrote to memory of 2520 2680 e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\8bebaf58-452d-4677-88a1-31d25f05eec3" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:2944
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C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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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
MD54fcb6324d0cc5736a4588f0a17c14e73
SHA11516061eb49782fda52919dcfab0b94f4354b5a5
SHA256f606eedd481682329eb3011db4093f420cf6794a61e8979f035b67b2928efba8
SHA51229df5b20506e99f772d4ddb756272f38107d23746e41cda70f4dd8978f74460c6bddff4be33652691e333da078d758bcf775187c77376346ae9efa6a9c4cbe83
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5654f82f1f74ef36efe622405a0f54c77
SHA1d1ebc46cc9032e97e9b0e1f6501f54a62ecc0f06
SHA2562b9461f2557dcd0d2d9703faf0eb66c7de4d70b6bd0c7a59c6ea0eed591e8925
SHA512a3a1f6a7db33b6dd8a6ae5e33089344044094328b40431d3c42748d1b5a6d8e884aba982e1291311960b81ce52a2a4380cfe3e990624b6eb7b0b3460d1e43591
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize392B
MD54f6074e118eca3b7d2b9dde584fda425
SHA1cb19ecfc549a160250aebd267619a0517b8a281b
SHA25672ec2fc190c6f2cb5321557e17da8b230fc3f1e8476aedd16f7dfc509845c575
SHA512edeeeff38c305fa6384a901c82af7be9e6daeaa0ca3541b5b2dbf2ae06e584d093f7a9948afb9e5ee8b1a2691f805f34388f9d9c99b85da099bb5af91a454bc5
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C:\Users\Admin\AppData\Local\8bebaf58-452d-4677-88a1-31d25f05eec3\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
Filesize711KB
MD5e9b7be0e8c22db244de8af36e27a659d
SHA14161eac953f65889890904479e43333e3969f409
SHA25676ee80e6da636e1751c2a9d7c7d4f18e3068babd79d8333961eaee1bca7c50e6
SHA5129863c1b1841c692f5206372763a62eace87e1a85a295c7acfa6e6dfc59b7d1531d56cb2e0a7886f0eb2c08824a4c9fd789866f2a1f353a4b867b57d7f74cc001
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d