Analysis
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max time kernel
119s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
09/10/2024, 10:55
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe
Resource
win7-20240729-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe
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Size
140KB
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MD5
18412e3c5d3e6cbbf67442be6d4e23b0
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SHA1
a949f28e984502e4362acf1b8d302cfbac8322e8
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SHA256
2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9
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SHA512
85da72eca19ea3080f13aa668654a0feb9d1606532fe989140ccc7babc21c9809eac4e406b17e2fc0aa5809ebcfa507d3c10844410d659e1b7cf036ec19f5548
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SSDEEP
3072:FbsAGHllwgRkWwuXdzDwWX0fTIZOaA481GkQr+drjOBgqEq7:Fol6WwuXdzDwWX0fTIZOaAYkQrGrjOBq
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" caiom.exe -
Executes dropped EXE 1 IoCs
pid Process 1216 caiom.exe -
Loads dropped DLL 2 IoCs
pid Process 2316 2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe 2316 2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe -
Adds Run key to start application 2 TTPs 48 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /Z" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /v" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /J" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /S" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /i" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /t" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /y" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /X" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /O" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /j" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /s" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /K" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /I" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /h" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /e" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /z" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /V" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /p" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /x" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /q" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /R" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /C" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /u" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /T" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /b" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /G" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /P" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /H" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /k" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /F" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /c" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /o" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /l" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /L" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /N" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /m" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /a" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /M" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /r" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /U" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /d" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /n" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /W" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /A" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /Q" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /Y" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /D" caiom.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\caiom = "C:\\Users\\Admin\\caiom.exe /g" caiom.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 caiom.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe 1216 caiom.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2316 2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe 1216 caiom.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2316 wrote to memory of 1216 2316 2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe 29 PID 2316 wrote to memory of 1216 2316 2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe 29 PID 2316 wrote to memory of 1216 2316 2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe 29 PID 2316 wrote to memory of 1216 2316 2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe"C:\Users\Admin\AppData\Local\Temp\2db21c7e81906174d262296c83b86c4dfc5f88f5584cecd9afaaee48141bb0d9N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Users\Admin\caiom.exe"C:\Users\Admin\caiom.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:1216
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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
Loading Replay Monitor...
Downloads
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Filesize
140KB
MD56f20acff9f0ea0ab0e2c1b5ccfbac80e
SHA1cf61de5bcfce50617a8f3be803c947605a1f010b
SHA256400cccddcf755b48ed6301c4bc8924984e660be43fb91f6d1e07d5e30489221f
SHA512b938db6ecf9fec2ec960ad88225c8bee6c4eff90d20fe844e5f2434a6562930d2ee1488d8f66acfeec300f26a7380ffeb200ebb62a9716cb13985c788ce08e13