Analysis
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max time kernel
143s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
11/07/2023, 17:08
Static task
static1
Behavioral task
behavioral1
Sample
fdc8c85f703a3dexeexeexeex.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
fdc8c85f703a3dexeexeexeex.exe
Resource
win10v2004-20230703-en
General
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Target
fdc8c85f703a3dexeexeexeex.exe
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Size
240KB
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MD5
fdc8c85f703a3dbc9d28e7b9b339433b
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SHA1
4b18b1baab71146157d12b73ffb4071a51775b65
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SHA256
7df126fba8f6e526b259ba2987fa245307cda2e86deadfb54f42df472dffbd77
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SHA512
1b36c2040f625f006bba59f8723ddeeedea4144de5506790de78278a30cab3dde2b81834ae2c969bb2a11494bcb2bf12eeb0d45c040dda8ab57e8ba9e8c7de21
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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 4436 agreement.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files\license\agreement.exe fdc8c85f703a3dexeexeexeex.exe File created C:\Program Files\license\agreement.exe fdc8c85f703a3dexeexeexeex.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3864 4772 WerFault.exe 84 1772 4772 WerFault.exe 84 -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4772 fdc8c85f703a3dexeexeexeex.exe 4772 fdc8c85f703a3dexeexeexeex.exe 4772 fdc8c85f703a3dexeexeexeex.exe 4772 fdc8c85f703a3dexeexeexeex.exe 4436 agreement.exe 4436 agreement.exe 4436 agreement.exe 4436 agreement.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4772 wrote to memory of 4436 4772 fdc8c85f703a3dexeexeexeex.exe 85 PID 4772 wrote to memory of 4436 4772 fdc8c85f703a3dexeexeexeex.exe 85 PID 4772 wrote to memory of 4436 4772 fdc8c85f703a3dexeexeexeex.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\fdc8c85f703a3dexeexeexeex.exe"C:\Users\Admin\AppData\Local\Temp\fdc8c85f703a3dexeexeexeex.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Program Files\license\agreement.exe"C:\Program Files\license\agreement.exe" "33201"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 10362⤵
- Program crash
PID:3864
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 10522⤵
- Program crash
PID:1772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4772 -ip 47721⤵PID:2916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4772 -ip 47721⤵PID:2476
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
240KB
MD554cfe2bb0c52530c3c18fe1b2f696fd7
SHA1dbf1a333b5ee49e16ce2ec82507db5f09a72368d
SHA256595c97728866f5e5315b74e8021869b462d5771c6a6f147ed3a925c74f052f00
SHA512386296ce3b587620a5c48138554ddc0f2fc466ba5018bc4015d647a30af9794f8dfcff357e39f2fe02be6378a26b78ab222dc6a66ed3028aabbcd9f2189940b4
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Filesize
240KB
MD554cfe2bb0c52530c3c18fe1b2f696fd7
SHA1dbf1a333b5ee49e16ce2ec82507db5f09a72368d
SHA256595c97728866f5e5315b74e8021869b462d5771c6a6f147ed3a925c74f052f00
SHA512386296ce3b587620a5c48138554ddc0f2fc466ba5018bc4015d647a30af9794f8dfcff357e39f2fe02be6378a26b78ab222dc6a66ed3028aabbcd9f2189940b4