Analysis
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max time kernel
166s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 22:18
Static task
static1
Behavioral task
behavioral1
Sample
84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe
Resource
win10v2004-20221111-en
General
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Target
84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe
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Size
1.6MB
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MD5
1422e92ffa3406459b8b5b4fbed745a3
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SHA1
7ab2ea8c0e4bb988ba81c7f7e87debf988832780
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SHA256
84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57
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SHA512
908c955b0fbcd33677eb132d0f774defbca40903138b3ecea64adef74251aa58889820520842fb9e191b3ed5b72e4ac759e99bab20032a7d00b200a896ab7646
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SSDEEP
24576:cb4wCwg9BO+64wI3h4sDsRuYqTXwgKw4v1TuSSx218pij8p+:cdCB3n3h4tuSjGE18E88
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
DDtt5.exepid process 1992 DDtt5.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ÎÒµÄÆô¶¯Ïî = "C:\\Windows\\system32\\/DDtt5.exe" 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe -
Drops file in System32 directory 1 IoCs
Processes:
84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exedescription ioc process File created C:\Windows\SysWOW64\DDtt5.exe 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe -
Processes:
DDtt5.exe84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\GPU DDtt5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x1414\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"6.2.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" DDtt5.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe -
Modifies Internet Explorer start page 1 TTPs 1 IoCs
Processes:
84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "www.2345.com/?keyybc" 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exepid process 4472 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe 4472 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exeDDtt5.exepid process 4472 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe 4472 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe 1992 DDtt5.exe 1992 DDtt5.exe 1992 DDtt5.exe 1992 DDtt5.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exedescription pid process target process PID 4472 wrote to memory of 1992 4472 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe DDtt5.exe PID 4472 wrote to memory of 1992 4472 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe DDtt5.exe PID 4472 wrote to memory of 1992 4472 84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe DDtt5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe"C:\Users\Admin\AppData\Local\Temp\84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\DDtt5.exeC:\Windows\system32\/DDtt5.exe2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\DDtt5.exeFilesize
860KB
MD5b2d6bacc36f7bd353333e0b420f26d40
SHA1fc6d42b77e8d897fc5c871d89aa7a646c43a7394
SHA2566f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc
SHA512bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1
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C:\Windows\SysWOW64\DDtt5.exeFilesize
860KB
MD5b2d6bacc36f7bd353333e0b420f26d40
SHA1fc6d42b77e8d897fc5c871d89aa7a646c43a7394
SHA2566f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc
SHA512bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1
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memory/1992-132-0x0000000000000000-mapping.dmp