Analysis
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max time kernel
77s -
max time network
88s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2023 19:45
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.5cc055aceb6a52da70056cb3d3632d50.exe
Resource
win7-20231130-en
General
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Target
NEAS.5cc055aceb6a52da70056cb3d3632d50.exe
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Size
2.0MB
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MD5
5cc055aceb6a52da70056cb3d3632d50
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SHA1
f7b2169dd63b95c18fa91a7e032a14b485da848f
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SHA256
84e05d368bc5fcd279fa96c9734d891a5fd426a3c02b5241cceaa323ccc7d88d
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SHA512
fba9f18b3aab2165dd794eb89de2f43dbc490a3dd543bd0c0c44e52184f414b3f14e899a8f7c979adb262e7471a385027f6c83bd09f52da950b6da33abef429c
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SSDEEP
49152:fKHl+9J9MG/cbsPv6eYf0X+6CmqiALe2nmk:FJ9cbsPv6r0X+6OiALe2Z
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exeDesktopLayer.exepid process 952 NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe 3640 DesktopLayer.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe upx behavioral2/memory/952-6-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/3640-14-0x0000000000400000-0x000000000042E000-memory.dmp upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Users\Admin\AppData\Local\Temp\NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe upx behavioral2/memory/952-4-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
Processes:
NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\px3577.tmp NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe -
Processes:
IEXPLORE.EXEiexplore.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "407708207" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{585F9F01-914B-11EE-9BEF-F2A62CEED6BD} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
DesktopLayer.exepid process 3640 DesktopLayer.exe 3640 DesktopLayer.exe 3640 DesktopLayer.exe 3640 DesktopLayer.exe 3640 DesktopLayer.exe 3640 DesktopLayer.exe 3640 DesktopLayer.exe 3640 DesktopLayer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 1580 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1580 iexplore.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
NEAS.5cc055aceb6a52da70056cb3d3632d50.exeiexplore.exeIEXPLORE.EXEpid process 5012 NEAS.5cc055aceb6a52da70056cb3d3632d50.exe 1580 iexplore.exe 1580 iexplore.exe 3876 IEXPLORE.EXE 3876 IEXPLORE.EXE 3876 IEXPLORE.EXE 3876 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
NEAS.5cc055aceb6a52da70056cb3d3632d50.exeNEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 5012 wrote to memory of 952 5012 NEAS.5cc055aceb6a52da70056cb3d3632d50.exe NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe PID 5012 wrote to memory of 952 5012 NEAS.5cc055aceb6a52da70056cb3d3632d50.exe NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe PID 5012 wrote to memory of 952 5012 NEAS.5cc055aceb6a52da70056cb3d3632d50.exe NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe PID 952 wrote to memory of 3640 952 NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe DesktopLayer.exe PID 952 wrote to memory of 3640 952 NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe DesktopLayer.exe PID 952 wrote to memory of 3640 952 NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe DesktopLayer.exe PID 3640 wrote to memory of 1580 3640 DesktopLayer.exe iexplore.exe PID 3640 wrote to memory of 1580 3640 DesktopLayer.exe iexplore.exe PID 1580 wrote to memory of 3876 1580 iexplore.exe IEXPLORE.EXE PID 1580 wrote to memory of 3876 1580 iexplore.exe IEXPLORE.EXE PID 1580 wrote to memory of 3876 1580 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.5cc055aceb6a52da70056cb3d3632d50.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.5cc055aceb6a52da70056cb3d3632d50.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Users\Admin\AppData\Local\Temp\NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exeC:\Users\Admin\AppData\Local\Temp\NEAS.5cc055aceb6a52da70056cb3d3632d50Srv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:952 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3640 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1580 CREDAT:17410 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3876
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a