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Analysis
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max time kernel
145s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
15/10/2023, 17:51
Static task
static1
Behavioral task
behavioral1
Sample
1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe
Resource
win10v2004-20230915-en
General
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Target
1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe
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Size
359KB
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MD5
1ab3e99c689db8dedd0ceac7f63ba5c0
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SHA1
7eda1fb778070c4c6e13ca1d5d2f608b7a468234
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SHA256
9233bd72f4c869842e7c124a63d2a7b857c2d93b09af759536bd598eb309c2ca
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SHA512
17e4e1f9bee2339dbe1ccc3284c4a21c02677750b0fd9e53c385654d125f76633fe4b7f2d946cb2f9ae155077a8bce1a8ba4365d7c6197647b9ab079c8d211c3
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SSDEEP
6144:UF67gxpNxM1EtxqRML6Xr4q/MgVz4Y5gDKK0LHYtVzbOJo:UFg+cmxpkr4QvVzd5gz0Lexj
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3772 1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe -
Program crash 5 IoCs
pid pid_target Process procid_target 2968 2556 WerFault.exe 82 4316 3772 WerFault.exe 86 1576 3772 WerFault.exe 86 4140 3772 WerFault.exe 86 992 3772 WerFault.exe 86 -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2556 1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3772 1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2556 wrote to memory of 3772 2556 1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe 86 PID 2556 wrote to memory of 3772 2556 1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe 86 PID 2556 wrote to memory of 3772 2556 1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe"C:\Users\Admin\AppData\Local\Temp\1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe"1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 3842⤵
- Program crash
PID:2968
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C:\Users\Admin\AppData\Local\Temp\1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exeC:\Users\Admin\AppData\Local\Temp\1ab3e99c689db8dedd0ceac7f63ba5c0_exe32_JC.exe2⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:3772 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 3603⤵
- Program crash
PID:4316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 7723⤵
- Program crash
PID:1576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 8123⤵
- Program crash
PID:4140
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 8203⤵
- Program crash
PID:992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2556 -ip 25561⤵PID:2480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3772 -ip 37721⤵PID:3492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3772 -ip 37721⤵PID:4464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 3772 -ip 37721⤵PID:3124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3772 -ip 37721⤵PID:2104
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
359KB
MD55244d5c02f33dd99d64aeaf16585d4e5
SHA150b119fb24a41df0a6fa2cca3853d6a1236a1dfe
SHA25646de93eaecb92aca04046cab5a0c497a8c714b771de3fa0c89d058ef3d7461d5
SHA512905b45da7b0caf92d310be0d5938d322db64649146890d4449b9eb42b900c4a9cf795167f86337f21f5966a549c81f660e5149e441419846b45e6173e9605077