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Analysis
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max time kernel
141s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/01/2024, 13:02
Behavioral task
behavioral1
Sample
74c404214425909795400cec52229681.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
74c404214425909795400cec52229681.exe
Resource
win10v2004-20231215-en
General
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Target
74c404214425909795400cec52229681.exe
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Size
99KB
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MD5
74c404214425909795400cec52229681
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SHA1
fdd4a7d5a668afeb3504134ad66b6dc6b468691b
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SHA256
908171e6cd48f30bc8c9af2f5f74d1eed90e1999943b1e8411c0f6caed0c706d
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SHA512
d6213ba9447783fdd05b2a0ed07399b21ab25675b7de5503227f24f5d684742f6d0985f35b11731b026de10a02fdc087b8e0de0ea41dcdec641358573a22d913
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SSDEEP
3072:sr3KcWmjRrzSGvgaaZ1RoI965Wma51YzJfck0:/WlE1RX968bTYzJfck0
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4500 xyAO5JWMmJte0GV.exe 3680 CTS.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral2/memory/3708-0-0x0000000000E90000-0x0000000000EA7000-memory.dmp upx behavioral2/files/0x00090000000231f9-6.dat upx behavioral2/memory/3708-7-0x0000000000E90000-0x0000000000EA7000-memory.dmp upx behavioral2/memory/3680-8-0x0000000000A10000-0x0000000000A27000-memory.dmp upx behavioral2/files/0x000300000002276d-13.dat upx behavioral2/memory/3680-33-0x0000000000A10000-0x0000000000A27000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" 74c404214425909795400cec52229681.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" CTS.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\CTS.exe 74c404214425909795400cec52229681.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3708 74c404214425909795400cec52229681.exe Token: SeDebugPrivilege 3680 CTS.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3708 wrote to memory of 4500 3708 74c404214425909795400cec52229681.exe 85 PID 3708 wrote to memory of 4500 3708 74c404214425909795400cec52229681.exe 85 PID 3708 wrote to memory of 4500 3708 74c404214425909795400cec52229681.exe 85 PID 3708 wrote to memory of 3680 3708 74c404214425909795400cec52229681.exe 86 PID 3708 wrote to memory of 3680 3708 74c404214425909795400cec52229681.exe 86 PID 3708 wrote to memory of 3680 3708 74c404214425909795400cec52229681.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\74c404214425909795400cec52229681.exe"C:\Users\Admin\AppData\Local\Temp\74c404214425909795400cec52229681.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3708 -
C:\Users\Admin\AppData\Local\Temp\xyAO5JWMmJte0GV.exeC:\Users\Admin\AppData\Local\Temp\xyAO5JWMmJte0GV.exe2⤵
- Executes dropped EXE
PID:4500
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C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
358KB
MD54f1ff2632f8e71b663e36ffabec13105
SHA12e6cccb345ddc8f2ac40319b8986b2924bb9444e
SHA256e91fa1f668a5f7ca4e74a7ffcbf58fd51d1c04c6513a140ec526abe7488f68bb
SHA512c03f790ad825cf9f8db4f2c03abc1c6e38737e2c0d1446bbaa20a1f44e9cdfcd8463dc5ebde4252f2940c4512e2b365b5cfa6f340d2aaf4b887c8c3d50b1f547
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Filesize
64KB
MD5a32a382b8a5a906e03a83b4f3e5b7a9b
SHA111e2bdd0798761f93cce363329996af6c17ed796
SHA25675f12ea2f30d9c0d872dade345f30f562e6d93847b6a509ba53beec6d0b2c346
SHA512ec87dd957be21b135212454646dcabdd7ef9442cf714e2c1f6b42b81f0c3fa3b1875bde9a8b538e8a0aa2190225649c29e9ed0f25176e7659e55e422dd4efe4c
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Filesize
35KB
MD593e5f18caebd8d4a2c893e40e5f38232
SHA1fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6
SHA256a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8
SHA512986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54