Analysis
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max time kernel
92s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10-04-2024 00:28
Static task
static1
Behavioral task
behavioral1
Sample
fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe
Resource
win10v2004-20240226-en
General
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Target
fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe
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Size
194KB
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MD5
a55ecb85fe9d5e92672803278ba89625
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SHA1
8aea90ef1d0f99111398802e8a1e2bdfd0ddf0f6
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SHA256
fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b
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SHA512
c01c7796169dfc10bd7302caddb91e109865b32481ec28143aece89af71c3c2e1b7fd670400482a7f7da5fcce50f77c0f7790baa849028f832e1ade8b0c5bfaf
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SSDEEP
3072:5S0scglOCcofiFlrquT0yNm0ozYSsa5bfzfB029sSJx/0vMLy3SyMhP8:5PecMyquo2ozYSsoP+29sSJSen
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2464 fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe -
Executes dropped EXE 1 IoCs
pid Process 2464 fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4920 3268 WerFault.exe 87 3180 2464 WerFault.exe 93 -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3268 fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2464 fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3268 wrote to memory of 2464 3268 fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe 93 PID 3268 wrote to memory of 2464 3268 fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe 93 PID 3268 wrote to memory of 2464 3268 fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe"C:\Users\Admin\AppData\Local\Temp\fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe"1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 4282⤵
- Program crash
PID:4920
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C:\Users\Admin\AppData\Local\Temp\fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exeC:\Users\Admin\AppData\Local\Temp\fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:2464 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 3923⤵
- Program crash
PID:3180
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3268 -ip 32681⤵PID:1540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2464 -ip 24641⤵PID:640
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\fc7ebb238c545e25fd2ef3af7cb507e6f2ca0fba89951669346f7df53f288f6b.exe
Filesize194KB
MD539feac2dafa0b86a36afffaf4f7d4430
SHA17d3f4a0dc4faf180d95561ecb94e778b9fed4d9b
SHA256a0899a29c3060821e8c1b165098ca901795584ce5ce2ef6e297c5b1d25ce56be
SHA512770ce44d8000d5ba4b381c6870d1422f28b4e43a0efa748e31547008f43cdd422b5192aecb89379253ac1814f751133ca94f0d82429ba8787507a1cdf5451de1