Analysis
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max time kernel
143s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09/04/2024, 10:55
Static task
static1
Behavioral task
behavioral1
Sample
e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe
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Size
787KB
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MD5
e9d42b34d47437c77e99450f1af86c33
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SHA1
5766d7dc892e885647aa321a21b25eef28a6812a
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SHA256
cb12fca8e610543daad15aae2ee6273730a74bc3eeefd51b06a835bc689c0c32
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SHA512
ec0c355d90949ff9b98ca8981e56a60a2513239c818bccd267dd6a0c001c589d478e4e02032954de1d043cbaed2d445291f9d5fcbc7a4386ee3c891eee873f62
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SSDEEP
24576:hJ3iLlDe8u88qbcrvybqFTCDWUDrtrK6xlJXXQiH8aMjLBPA:h0LRlnbRbqp+LDrtrKAlBWBI
Malware Config
Extracted
djvu
http://astdg.top/nddddhsspen6/get.php
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extension
.moqs
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offline_id
CatwRkqdYh2Jomn6DqwFoGgcSbDsle1xlE1NPtt1
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payload_url
http://securebiz.org/dl/build2.exe
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ransomnote
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Signatures
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Detected Djvu ransomware 14 IoCs
resource yara_rule behavioral1/memory/2992-2-0x0000000002260000-0x000000000237B000-memory.dmp family_djvu behavioral1/memory/2148-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2148-7-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2148-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2148-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2552-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2552-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2552-48-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2552-49-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2552-50-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2552-54-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2552-56-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2552-57-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2552-58-0x0000000000400000-0x0000000000537000-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 2748 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\3474a9c5-2bd3-4ae4-830b-8404e67a1911\\e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe\" --AutoStart" e9d42b34d47437c77e99450f1af86c33_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 2992 set thread context of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2828 set thread context of 2552 2828 e9d42b34d47437c77e99450f1af86c33_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 2148 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 2552 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 2552 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2992 wrote to memory of 2148 2992 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 28 PID 2148 wrote to memory of 2748 2148 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 29 PID 2148 wrote to memory of 2748 2148 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 29 PID 2148 wrote to memory of 2748 2148 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 29 PID 2148 wrote to memory of 2748 2148 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 29 PID 2148 wrote to memory of 2828 2148 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 30 PID 2148 wrote to memory of 2828 2148 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 30 PID 2148 wrote to memory of 2828 2148 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 30 PID 2148 wrote to memory of 2828 2148 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 30 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31 PID 2828 wrote to memory of 2552 2828 e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Users\Admin\AppData\Local\Temp\e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\3474a9c5-2bd3-4ae4-830b-8404e67a1911" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:2748
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C:\Users\Admin\AppData\Local\Temp\e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Users\Admin\AppData\Local\Temp\e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2552
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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
MD573bfeec4163a74514ccfecda051e9e58
SHA168f506f95a5a0181f09d816c08cddf77b5a8db11
SHA256cc567f783293a1a94c62c5576ac307c3d148f427d0dbfeb6263b8fcd15f0097a
SHA5120864e1e4edc588b0324df163fb4f62af8a1a4fc52809b559a4b16829a0017acfd05212da12060b8ed3a70e18f967deccf2bfd525caeb2364c5924f48b71cfad0
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD59ffee0ac86899df59a7c89abf1c9d974
SHA140e7588f7a9f9d5da4f1b95fb26342f3082729f4
SHA256d90da81cdd4ebaab62057edbad34135df29db0f0265fbcb3db29f2a975dfd4b6
SHA51247e946b531d3e7f5b6d5324562824ca10a5f87f7d61cd413fbe5062044101f777313b3b4c68032173058ffb2c388f4f73022961355ec1d3aa59f9bedbbbc0047
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize392B
MD5a2f4fbffe36922d0254668e4d20efe93
SHA1b6a948229b5645a9dc36194c88809b60e9546f12
SHA256f16a15080e88ba817351e6560fc2378c2270dfb1c97db60922d307d7fa7a8935
SHA51228b0ed5f6fe3a2b565330d40535ae889df2b6928be0c578942d8bed30d862fb1c39bf2f4d1745c527843fdba44f2074478b9263b3fda9029b89b034574b59b09
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C:\Users\Admin\AppData\Local\3474a9c5-2bd3-4ae4-830b-8404e67a1911\e9d42b34d47437c77e99450f1af86c33_JaffaCakes118.exe
Filesize787KB
MD5e9d42b34d47437c77e99450f1af86c33
SHA15766d7dc892e885647aa321a21b25eef28a6812a
SHA256cb12fca8e610543daad15aae2ee6273730a74bc3eeefd51b06a835bc689c0c32
SHA512ec0c355d90949ff9b98ca8981e56a60a2513239c818bccd267dd6a0c001c589d478e4e02032954de1d043cbaed2d445291f9d5fcbc7a4386ee3c891eee873f62
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d