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Analysis
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max time kernel
141s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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 2044 TfucnG0PNaoWSaF.exe 2360 CTS.exe -
Loads dropped DLL 2 IoCs
pid Process 1080 74c404214425909795400cec52229681.exe 1080 74c404214425909795400cec52229681.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 behavioral1/memory/1080-0-0x0000000000FF0000-0x0000000001007000-memory.dmp upx behavioral1/files/0x0008000000012281-14.dat upx behavioral1/memory/1080-15-0x0000000000FF0000-0x0000000001007000-memory.dmp upx behavioral1/memory/2360-18-0x0000000000EA0000-0x0000000000EB7000-memory.dmp upx behavioral1/files/0x000a000000012263-20.dat 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 1080 74c404214425909795400cec52229681.exe Token: SeDebugPrivilege 2360 CTS.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1080 wrote to memory of 2044 1080 74c404214425909795400cec52229681.exe 28 PID 1080 wrote to memory of 2044 1080 74c404214425909795400cec52229681.exe 28 PID 1080 wrote to memory of 2044 1080 74c404214425909795400cec52229681.exe 28 PID 1080 wrote to memory of 2044 1080 74c404214425909795400cec52229681.exe 28 PID 1080 wrote to memory of 2360 1080 74c404214425909795400cec52229681.exe 30 PID 1080 wrote to memory of 2360 1080 74c404214425909795400cec52229681.exe 30 PID 1080 wrote to memory of 2360 1080 74c404214425909795400cec52229681.exe 30 PID 1080 wrote to memory of 2360 1080 74c404214425909795400cec52229681.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\74c404214425909795400cec52229681.exe"C:\Users\Admin\AppData\Local\Temp\74c404214425909795400cec52229681.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Users\Admin\AppData\Local\Temp\TfucnG0PNaoWSaF.exeC:\Users\Admin\AppData\Local\Temp\TfucnG0PNaoWSaF.exe2⤵
- Executes dropped EXE
PID:2044
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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:2360
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
99KB
MD50f5536d2dc8b733b4bf077bd274b327e
SHA1e87472d3bafbdb8c0d9e163ac87dd1f4b38dbac7
SHA256d325bb58422b9172c290da19c7accad7ee22ad5ccbb947bfb932f591f5b7ac8d
SHA5128a7bde33ee1d47a3be3a1edb7984c61e81aa08d634144cf96c545ec7ff8dd79c9d9d694d6a80c2aeb19a2f186385427ab61ec840d6ee4ebb01d60624adf95787
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Filesize
35KB
MD593e5f18caebd8d4a2c893e40e5f38232
SHA1fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6
SHA256a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8
SHA512986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54
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Filesize
64KB
MD5a32a382b8a5a906e03a83b4f3e5b7a9b
SHA111e2bdd0798761f93cce363329996af6c17ed796
SHA25675f12ea2f30d9c0d872dade345f30f562e6d93847b6a509ba53beec6d0b2c346
SHA512ec87dd957be21b135212454646dcabdd7ef9442cf714e2c1f6b42b81f0c3fa3b1875bde9a8b538e8a0aa2190225649c29e9ed0f25176e7659e55e422dd4efe4c