Analysis
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max time kernel
141s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
15/07/2023, 10:30
Static task
static1
Behavioral task
behavioral1
Sample
37df748ccc2203exeexe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
37df748ccc2203exeexe_JC.exe
Resource
win10v2004-20230703-en
General
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Target
37df748ccc2203exeexe_JC.exe
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Size
238KB
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MD5
37df748ccc2203dd389fa151a1b008b8
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SHA1
99ec386fac7f14b9be6ba06964b12e3d13fb9a0a
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SHA256
3b3b8834993b486e8fae9262f34dd30ea56b7195dddfa5e2899a070fa281397c
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SHA512
72a8c5a7c84a8ed0a092a3d1e5471019f8ccb3277623755de1abab7baaa7d0cc309a96a50df236d649ae745d67d7c159de9885fa7960a47e25a52bd75c183fd0
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SSDEEP
3072:lxUm75Fku3eKeO213SJReOqdmErj+HyHnNVIPL/+ybbiW1u46Q7qV3lU8xM:fU8Dk11CJ1qDWUNVIT/bblS9x
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5064 .exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\.exe 37df748ccc2203exeexe_JC.exe File opened for modification C:\Program Files\.exe 37df748ccc2203exeexe_JC.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 1332 5096 WerFault.exe 83 2196 5096 WerFault.exe 83 -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 5096 37df748ccc2203exeexe_JC.exe 5096 37df748ccc2203exeexe_JC.exe 5096 37df748ccc2203exeexe_JC.exe 5096 37df748ccc2203exeexe_JC.exe 5064 .exe 5064 .exe 5064 .exe 5064 .exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5096 wrote to memory of 5064 5096 37df748ccc2203exeexe_JC.exe 86 PID 5096 wrote to memory of 5064 5096 37df748ccc2203exeexe_JC.exe 86 PID 5096 wrote to memory of 5064 5096 37df748ccc2203exeexe_JC.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\37df748ccc2203exeexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\37df748ccc2203exeexe_JC.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Program Files\.exe"C:\Program Files\\.exe" "33201"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5064
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 10362⤵
- Program crash
PID:1332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 10442⤵
- Program crash
PID:2196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5096 -ip 50961⤵PID:4820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 5096 -ip 50961⤵PID:4596
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
238KB
MD5190f1591bf79d11e3e1dfd7154d5f935
SHA13c7a2c7aa3b06a4c5dfdd84db9b00d0677f9cf6c
SHA256de3f3745489f98cace257fad3dfea8cedccae66a76eae393e1afea3feef749d8
SHA5120e7d77c7ed0032a93e8df34d9b7d39d3f2d42912c2f6131f22bc256821916c61c1903f6d340093eafb34a3a71c8250c1da6180474969c3f688184fce2fc356f9
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Filesize
238KB
MD5190f1591bf79d11e3e1dfd7154d5f935
SHA13c7a2c7aa3b06a4c5dfdd84db9b00d0677f9cf6c
SHA256de3f3745489f98cace257fad3dfea8cedccae66a76eae393e1afea3feef749d8
SHA5120e7d77c7ed0032a93e8df34d9b7d39d3f2d42912c2f6131f22bc256821916c61c1903f6d340093eafb34a3a71c8250c1da6180474969c3f688184fce2fc356f9