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Analysis
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max time kernel
141s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
08/05/2024, 15:07
Static task
static1
Behavioral task
behavioral1
Sample
e5bfc858958d395224e140aaa85b6080_NEIKI.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e5bfc858958d395224e140aaa85b6080_NEIKI.exe
Resource
win10v2004-20240508-en
General
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Target
e5bfc858958d395224e140aaa85b6080_NEIKI.exe
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Size
65KB
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MD5
e5bfc858958d395224e140aaa85b6080
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SHA1
41de7b5e0d24a50540420341e83c0f0183fa873d
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SHA256
887376c474c6891d6374982e7f50779ff4bf4e0b6f739e16870cbcff78f9611f
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SHA512
c099a9924328508ca8267fe38874bfc13377586aa2be827d878dbe1eeb0c0f579b28a3257684e4f872d6817117210c747501658541986ed5bb96e6e36eb735c2
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SSDEEP
768:ZrItKyw5WHXfQIhIiIk9ecAaVPD96KyX60:Zr3Z5IfQIR81ad5yX60
Malware Config
Signatures
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Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 840 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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation e5bfc858958d395224e140aaa85b6080_NEIKI.exe -
Executes dropped EXE 1 IoCs
pid Process 1272 gsqhost.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\Debug\gsqhost.exe e5bfc858958d395224e140aaa85b6080_NEIKI.exe File opened for modification C:\Windows\Debug\gsqhost.exe e5bfc858958d395224e140aaa85b6080_NEIKI.exe File opened for modification C:\Windows\Debug\gsqhost.exe attrib.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3852 e5bfc858958d395224e140aaa85b6080_NEIKI.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3852 wrote to memory of 840 3852 e5bfc858958d395224e140aaa85b6080_NEIKI.exe 77 PID 3852 wrote to memory of 840 3852 e5bfc858958d395224e140aaa85b6080_NEIKI.exe 77 PID 3852 wrote to memory of 840 3852 e5bfc858958d395224e140aaa85b6080_NEIKI.exe 77 PID 3852 wrote to memory of 4348 3852 e5bfc858958d395224e140aaa85b6080_NEIKI.exe 80 PID 3852 wrote to memory of 4348 3852 e5bfc858958d395224e140aaa85b6080_NEIKI.exe 80 PID 3852 wrote to memory of 4348 3852 e5bfc858958d395224e140aaa85b6080_NEIKI.exe 80 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 840 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e5bfc858958d395224e140aaa85b6080_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\e5bfc858958d395224e140aaa85b6080_NEIKI.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Windows\SysWOW64\attrib.exeattrib +a +s +h +r C:\Windows\Debug\gsqhost.exe2⤵
- Sets file to hidden
- Drops file in Windows directory
- Views/modifies file attributes
PID:840
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E5BFC8~1.EXE > nul2⤵PID:4348
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C:\Windows\Debug\gsqhost.exeC:\Windows\Debug\gsqhost.exe1⤵
- Executes dropped EXE
PID:1272
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
65KB
MD5140666b57c3e25b18ba32c9de98cc771
SHA138e9ca76b8399e91842061d5af1f09c2f46b71ba
SHA25684c80debe0ca4c2bce25afbc8493777844781670d48a9f57ff1fd4c289037270
SHA512a6466e8aec93b650c97c7cbe9a519056b09b3a01295d789b4ea21a8385a536c7327bcecb6cc8998059ae422f58222cdd66fbe3af48277f546fd75dcf4fdfee89