Analysis
-
max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231025-en -
resource tags
arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system -
submitted
01-11-2023 02:11
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.edf59cbdfcb26b2208966568b8bd2200.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.edf59cbdfcb26b2208966568b8bd2200.exe
Resource
win10v2004-20231025-en
General
-
Target
NEAS.edf59cbdfcb26b2208966568b8bd2200.exe
-
Size
196KB
-
MD5
edf59cbdfcb26b2208966568b8bd2200
-
SHA1
6106a6cb6450aa2872b2097a2f096cca333fc955
-
SHA256
e9c57113e7dd1d509e31a53c583e2e392fa9f17701dbe20b8d85f599ea6711a4
-
SHA512
9be9d43e7c72ee60caea68a1c3cad84f89c2aa87b252aaa1c15c4a7db44c66bc8e9c11a9323becff5a918ef65d5b57072b56ad7c2ac44fdb375bb69d1e8996fb
-
SSDEEP
1536:ur3Z5IfQmv81aZKyXXZPbihOjrqLy14Gp7FtnV7pjl:yJOfQm01KKyXXZPbi8aIp7nl
Malware Config
Signatures
-
Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 888 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Control Panel\International\Geo\Nation NEAS.edf59cbdfcb26b2208966568b8bd2200.exe -
Executes dropped EXE 1 IoCs
pid Process 3688 cwshost.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\Debug\cwshost.exe NEAS.edf59cbdfcb26b2208966568b8bd2200.exe File opened for modification C:\Windows\Debug\cwshost.exe NEAS.edf59cbdfcb26b2208966568b8bd2200.exe File opened for modification C:\Windows\Debug\cwshost.exe attrib.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3844 NEAS.edf59cbdfcb26b2208966568b8bd2200.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3844 wrote to memory of 888 3844 NEAS.edf59cbdfcb26b2208966568b8bd2200.exe 87 PID 3844 wrote to memory of 888 3844 NEAS.edf59cbdfcb26b2208966568b8bd2200.exe 87 PID 3844 wrote to memory of 888 3844 NEAS.edf59cbdfcb26b2208966568b8bd2200.exe 87 PID 3844 wrote to memory of 3836 3844 NEAS.edf59cbdfcb26b2208966568b8bd2200.exe 91 PID 3844 wrote to memory of 3836 3844 NEAS.edf59cbdfcb26b2208966568b8bd2200.exe 91 PID 3844 wrote to memory of 3836 3844 NEAS.edf59cbdfcb26b2208966568b8bd2200.exe 91 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 888 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\NEAS.edf59cbdfcb26b2208966568b8bd2200.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.edf59cbdfcb26b2208966568b8bd2200.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3844 -
C:\Windows\SysWOW64\attrib.exeattrib +a +s +h +r C:\Windows\Debug\cwshost.exe2⤵
- Sets file to hidden
- Drops file in Windows directory
- Views/modifies file attributes
PID:888
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\NEASED~1.EXE > nul2⤵PID:3836
-
-
C:\Windows\Debug\cwshost.exeC:\Windows\Debug\cwshost.exe1⤵
- Executes dropped EXE
PID:3688
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
196KB
MD58bb6ef126cc49c36522a9590de6d1569
SHA13fae1850bf57f8451b8ad495356d5bfe8ccbd73c
SHA25611d6c5738d4e4353a905280faf54651d7e1bec6304aaecbfdc95b9994f271daa
SHA5124551a2694f28e8b89e61a7c05d2fe074bb5d4d97baba685d1a648352af20d489bc0a4c9d1a603a78b710185a588c386efa1f9bb81e5b2eb49737cae71a11d962
-
Filesize
196KB
MD58bb6ef126cc49c36522a9590de6d1569
SHA13fae1850bf57f8451b8ad495356d5bfe8ccbd73c
SHA25611d6c5738d4e4353a905280faf54651d7e1bec6304aaecbfdc95b9994f271daa
SHA5124551a2694f28e8b89e61a7c05d2fe074bb5d4d97baba685d1a648352af20d489bc0a4c9d1a603a78b710185a588c386efa1f9bb81e5b2eb49737cae71a11d962