Analysis
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max time kernel
43s -
max time network
52s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2023 18:53
Static task
static1
Behavioral task
behavioral1
Sample
87c64b374f44ac558513f3cc2679354e.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
87c64b374f44ac558513f3cc2679354e.exe
Resource
win10v2004-20230220-en
General
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Target
87c64b374f44ac558513f3cc2679354e.exe
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Size
604KB
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MD5
87c64b374f44ac558513f3cc2679354e
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SHA1
ca6ecc8a05a4b7240b67f9602694821474630ba0
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SHA256
3b07621bf3d247246005738667618d1161134f817208411ea1f769850b769686
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SHA512
073271c5b376890e71a1fcefa4706bc8ce312175ab95bc6d726c38aa3fcea4b764a8f391e9a7a98346cc96badbe38a1d43070f549259bb8fb71ed6e7b48dd7a4
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SSDEEP
6144:XdVW+PZj6b+HdtH9Wd1yxBMfQesCDeNxAoDwK3bHKsnobns+NOYuR6NN12tjyh07:XXZu+Hdsy7Mfbs3xA83LUnY6NNKjq0XL
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1072 embedded.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4196 1448 WerFault.exe 87 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4228 wrote to memory of 3540 4228 87c64b374f44ac558513f3cc2679354e.exe 85 PID 4228 wrote to memory of 3540 4228 87c64b374f44ac558513f3cc2679354e.exe 85 PID 4228 wrote to memory of 3540 4228 87c64b374f44ac558513f3cc2679354e.exe 85 PID 3540 wrote to memory of 1072 3540 cmd.exe 86 PID 3540 wrote to memory of 1072 3540 cmd.exe 86 PID 3540 wrote to memory of 1072 3540 cmd.exe 86 PID 1072 wrote to memory of 1448 1072 embedded.exe 87 PID 1072 wrote to memory of 1448 1072 embedded.exe 87 PID 1072 wrote to memory of 1448 1072 embedded.exe 87 PID 1072 wrote to memory of 1448 1072 embedded.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\87c64b374f44ac558513f3cc2679354e.exe"C:\Users\Admin\AppData\Local\Temp\87c64b374f44ac558513f3cc2679354e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4228 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c embedded.exe2⤵
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Users\Admin\AppData\Local\Temp\embedded.exeembedded.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵PID:1448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 4085⤵
- Program crash
PID:4196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 1448 -ip 14481⤵PID:2044
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
66KB
MD5140d24af0c2b3a18529df12dfbc5f6de
SHA1e8db5ad2b7ffede3e41b9c3adb24f3232d764931
SHA2564eabb1adc035f035e010c0d0d259c683e18193f509946652ed8aa7c5d92b6a92
SHA512a2ead649f155555ec3e55800494f833d18cea68afe736807ec23b5991242928a0853e451b60894ec8e0abe8c42db341c2237007981f38f0366fd7c6ecafb7415
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Filesize
66KB
MD5140d24af0c2b3a18529df12dfbc5f6de
SHA1e8db5ad2b7ffede3e41b9c3adb24f3232d764931
SHA2564eabb1adc035f035e010c0d0d259c683e18193f509946652ed8aa7c5d92b6a92
SHA512a2ead649f155555ec3e55800494f833d18cea68afe736807ec23b5991242928a0853e451b60894ec8e0abe8c42db341c2237007981f38f0366fd7c6ecafb7415