Analysis
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max time kernel
135s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04/12/2022, 09:54
Behavioral task
behavioral1
Sample
ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe
Resource
win10v2004-20220812-en
General
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Target
ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe
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Size
44KB
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MD5
eabaefb4af7925fd06a68daebc4663c3
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SHA1
fde4185564d248779a4255bf0805b3afb18b9651
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SHA256
ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282
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SHA512
1174a23b9dd492f50a1651b6d585a962003d79c97a1a3b55dddf138052037a94fcd4bcb0c3171524ef72bb563f2fb633efa47879f4e4041b588db6e29ef1bc70
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SSDEEP
768:b/GuBtIDBRunv+A3tig2VuMN5+CwqwkWKQJCk1ovxkLlqfqi:b//MRI2zVuMN5ixktQXSMlli
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1664 sysroc.exe -
resource yara_rule behavioral2/memory/2376-132-0x0000000000400000-0x0000000000422000-memory.dmp upx behavioral2/files/0x0006000000022e03-137.dat upx behavioral2/files/0x0006000000022e03-138.dat upx behavioral2/memory/1664-142-0x0000000000400000-0x0000000000422000-memory.dmp upx behavioral2/memory/1664-143-0x0000000000400000-0x0000000000422000-memory.dmp upx behavioral2/memory/2376-144-0x0000000000400000-0x0000000000422000-memory.dmp upx -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\sysproc.exe ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe File opened for modification C:\Windows\SysWOW64\sysroc.exe ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe File created C:\Windows\SysWOW64\sysroc.exe ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2376 ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe 2376 ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe 2376 ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe 2376 ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe 1664 sysroc.exe 1664 sysroc.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2376 ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe 2376 ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe 1664 sysroc.exe 1664 sysroc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2376 wrote to memory of 1664 2376 ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe 81 PID 2376 wrote to memory of 1664 2376 ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe 81 PID 2376 wrote to memory of 1664 2376 ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe"C:\Users\Admin\AppData\Local\Temp\ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\SysWOW64\sysroc.exeC:\Windows\system32\sysroc.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1664
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
44KB
MD5eabaefb4af7925fd06a68daebc4663c3
SHA1fde4185564d248779a4255bf0805b3afb18b9651
SHA256ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282
SHA5121174a23b9dd492f50a1651b6d585a962003d79c97a1a3b55dddf138052037a94fcd4bcb0c3171524ef72bb563f2fb633efa47879f4e4041b588db6e29ef1bc70
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Filesize
44KB
MD5eabaefb4af7925fd06a68daebc4663c3
SHA1fde4185564d248779a4255bf0805b3afb18b9651
SHA256ccf99636ab1165fb63e9e16d6b6579522c9adcea2fad716f11cd4dc8f2143282
SHA5121174a23b9dd492f50a1651b6d585a962003d79c97a1a3b55dddf138052037a94fcd4bcb0c3171524ef72bb563f2fb633efa47879f4e4041b588db6e29ef1bc70