Analysis
- max time kernel
120s - max time network
98s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
11/11/2024, 18:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
9 signatures
120 seconds
General
- Target 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe
- Size 88KB
- Sample241111-w2bhbatcqd
- SHA256 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3
- MD5 359a814deafda7ff8cf4876380971ae0
- SHA1 ec4614e5d0ddcdc695e4f4a3b41ea58360ee0274
- SHA512 64f438183f24f04ef7ebb8923c7983edc3398580fada1cefb1fdf6d1dbe8c22a0c05773fc3aafab9a77f737baa048085e30f79e92cb237b19afe7850acb016a2
- SSDEEP 768:PO6jxOJETcKSMTfIHpFeh6RM1rA8dOsk7jbqqRkA5okK1DfsvdzsXjLft+9o1xl:POcx/AK6LFUnzJA5o9BfIdoXjLl0yl
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kiiboib.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe - Executes dropped EXE 1 IoCs
pid Process 2960 kiiboib.exe - Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /z" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /x" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /d" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /f" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /m" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /a" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /q" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /g" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /t" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /o" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /k" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /h" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /u" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /e" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /v" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /a" 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /b" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /r" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /p" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /i" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /y" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /c" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /s" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /j" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /n" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /w" kiiboib.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiboib = "C:\\Users\\Admin\\kiiboib.exe /l" kiiboib.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kiiboib.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 116 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe 116 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe 2960 kiiboib.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 116 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe 2960 kiiboib.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 116 wrote to memory of 2960 116 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe 93 PID 116 wrote to memory of 2960 116 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe 93 PID 116 wrote to memory of 2960 116 87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe"C:\Users\Admin\AppData\Local\Temp\87c3ec556492e74b6bc88f5648b800b0cd0cceb254de92b7d5fd73a27434eda3N.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Users\Admin\kiiboib.exe"C:\Users\Admin\kiiboib.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2960
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
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Downloads
- Path C:\Users\Admin\kiiboib.exe
- Size 88KB
- SHA256 490f47955af414360b5ccbb10b6785626416a086b89fa57891c5f25d4734c2c7
- MD5 3ea6e9ec6f449b1a965d943f0f186215
- SHA1 db69802d966ac9f795a148aaad0098ede81d30fd
- SHA512 244287bbea2689ef7a2f248c58cf1ec803e992c9f75c70f07ecaa365a428e1ab8ed687d060a82c2f233e99d0abb0795bc65ab44e3413eccf9da1e0769ab773ef
- SSDEEP 768:Pq6jxOJETcPUIHpFeh6RM1rA8dOsk7jbqqRkA5okK1DfsvdzsXjLft+9o1xl:Pqcx/AzLFUnzJA5o9BfIdoXjLl0yl
- MD5 SHA1 SHA512 SSDEEP