Analysis
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max time kernel
150s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2023 19:03
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.99af8e1571edc79df78adcc61f2ece2a_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.99af8e1571edc79df78adcc61f2ece2a_JC.exe
Resource
win10v2004-20230915-en
General
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Target
NEAS.99af8e1571edc79df78adcc61f2ece2a_JC.exe
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Size
11KB
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MD5
99af8e1571edc79df78adcc61f2ece2a
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SHA1
4b9090c02fea6ab773dd2ac0c0fd7c1f8a6fdb08
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SHA256
079a2f1818dd133e568058df421dcf49c5bd6f075e7fefbbbbf8042dfa446b2f
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SHA512
557b82e357748e98ef7a18f7032d04cd0bc6666973d8d10af85247e889bebd4a1161ebfb1ca2ca2650ec8b4e4d38aa4ea09b48f7b31ad76c723f71cb7f81059e
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SSDEEP
192:2zNiPKu4dEM4JEqPF/Eke3gr2Ir5Ano/hwj3IeXBdeLrdTYZrj1J4Ig:TICmqPF/Eke3fIr5Ano/hi3IuBALrdTZ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4064 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" NEAS.99af8e1571edc79df78adcc61f2ece2a_JC.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe NEAS.99af8e1571edc79df78adcc61f2ece2a_JC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2472 wrote to memory of 4064 2472 NEAS.99af8e1571edc79df78adcc61f2ece2a_JC.exe 82 PID 2472 wrote to memory of 4064 2472 NEAS.99af8e1571edc79df78adcc61f2ece2a_JC.exe 82 PID 2472 wrote to memory of 4064 2472 NEAS.99af8e1571edc79df78adcc61f2ece2a_JC.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.99af8e1571edc79df78adcc61f2ece2a_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.99af8e1571edc79df78adcc61f2ece2a_JC.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Executes dropped EXE
PID:4064
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD542423bdc071073ee013187b017f7a8f4
SHA1501c573bf581e3bd1b4f35d657375366711e41ca
SHA256e7dd7a94cb51ceb880d73e6d4ec956b20c45c00108833c6d9a103de6e0ed81ca
SHA5129ff12ef1a1059ac88f91614cd24e1dce82d26b4c043649240b5b7baa36c653dd1f326d930af2e52a031d0ec034f58c04d1b7abb4db3d31a8637b399f1c8ed2d7
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Filesize
11KB
MD542423bdc071073ee013187b017f7a8f4
SHA1501c573bf581e3bd1b4f35d657375366711e41ca
SHA256e7dd7a94cb51ceb880d73e6d4ec956b20c45c00108833c6d9a103de6e0ed81ca
SHA5129ff12ef1a1059ac88f91614cd24e1dce82d26b4c043649240b5b7baa36c653dd1f326d930af2e52a031d0ec034f58c04d1b7abb4db3d31a8637b399f1c8ed2d7