Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
03/06/2024, 07:08
Behavioral task
behavioral1
Sample
9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe
Resource
win7-20240221-en
9 signatures
150 seconds
General
- Target 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe
- Size 58KB
- Sample240603-hyn3caff7v
- SHA256 880da26bd62c7fd99f103282229a3391f299dea4993e49de44bc4a8ad679da30
- MD5 9fbd9c3c2cff90143c0c15fdf7cd7a50
- SHA1 ca6510cca36d784ea0fbfaf7ff810f4a71850350
- SHA512 7dcd7a791a940d588a116522d457275880b71ec3c7069bfaff5ddf8389bffa8063b024c6fa5c1c81ea2a872150597598dffe372b3432fd36f93fe30f71a65267
- SSDEEP 768:mrItKyw5WHXfQmjIiIk9ecAaU896KyXmuJrjTg+5lPulnL:mr3Z5IfQmv81aU85yXmIjTg4ML
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 3260 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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe - Executes dropped EXE 1 IoCs
pid Process 5040 eiyhost.exe -
resource yara_rule behavioral2/memory/2564-0-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/files/0x000d000000023383-3.dat upx behavioral2/memory/5040-5-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/5040-6-0x0000000000400000-0x0000000000414000-memory.dmp upx - Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\Debug\eiyhost.exe 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe File opened for modification C:\Windows\Debug\eiyhost.exe 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe File opened for modification C:\Windows\Debug\eiyhost.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 2564 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2564 wrote to memory of 3260 2564 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe 85 PID 2564 wrote to memory of 3260 2564 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe 85 PID 2564 wrote to memory of 3260 2564 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe 85 PID 2564 wrote to memory of 4696 2564 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe 89 PID 2564 wrote to memory of 4696 2564 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe 89 PID 2564 wrote to memory of 4696 2564 9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe 89 - Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 3260 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2564 -
C:\Windows\SysWOW64\attrib.exeattrib +a +s +h +r C:\Windows\Debug\eiyhost.exe2⤵
- Sets file to hidden
- Drops file in Windows directory
- Views/modifies file attributes
PID:3260
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9FBD9C~1.EXE > nul2⤵PID:4696
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C:\Windows\Debug\eiyhost.exeC:\Windows\Debug\eiyhost.exe1⤵
- Executes dropped EXE
PID:5040
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\debug\eiyhost.exe
- Size 58KB
- SHA256 770ae7cadb4bcab2998889b8471224a6a46434436cdd24af06eeeaf92d56dce0
- MD5 7840e253e1f2e64330270c6793f743e2
- SHA1 16e2ee680def7bb14a1ed2a4bd790e656a60a7c2
- SHA512 d2fa07fecf4b85e40150f14aa532af077b31b4448aa669d236961fa24ebb556b2d8e7f4d9a4c3b3343d4819c8b971ed345cc854d355be21e88b8c39d9b800f05
- SSDEEP 768:mrItKyw5WHXfQmjIiIk9ecAaU896KyXmuJrjTg+5lPulnU:mr3Z5IfQmv81aU85yXmIjTg4MU
- MD5 SHA1 SHA512 SSDEEP