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Analysis
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max time kernel
159s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
15/10/2023, 19:42
Static task
static1
Behavioral task
behavioral1
Sample
a4c5b1b00a0f260c2dafa1c753018970_exe32.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a4c5b1b00a0f260c2dafa1c753018970_exe32.exe
Resource
win10v2004-20230915-en
General
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Target
a4c5b1b00a0f260c2dafa1c753018970_exe32.exe
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Size
144KB
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MD5
a4c5b1b00a0f260c2dafa1c753018970
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SHA1
4fe1bfcc3bf8b0a514bd93f5285b57538d3f3bd7
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SHA256
9a92929388c7e26f4be359568b1686645f0c16d0f9d55273e8e67302933c06d2
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SHA512
e6dd45d519210c47d24426792323e84604373cffdfc991a5405469c15a53348c934071a533f089642d66c4b8a71de93662c2e8d3c48e2685b90cf6aceae7ed0e
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SSDEEP
1536:PJg/NVWIHWAmJihqbzWh9GuUKzzcjoNP3ojR6MUAhCLR3Jz4kahylrfR+yIMpmG5:arVSlGh9Gx0zcjoRmR1Ud4kYKkOmHlI
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a4c5b1b00a0f260c2dafa1c753018970_exe32.exe Set value (int) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tjhif.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-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation a4c5b1b00a0f260c2dafa1c753018970_exe32.exe -
Executes dropped EXE 2 IoCs
pid Process 3236 tjhif.exe 1400 tjhif.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /y" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /i" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /k" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /t" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /d" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /r" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /x" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /o" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /j" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /e" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /w" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /b" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /s" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /l" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /v" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /f" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /z" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /m" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /u" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /c" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /a" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /q" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /n" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /g" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /h" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /p" tjhif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tjhif = "C:\\Users\\Admin\\tjhif.exe /n" a4c5b1b00a0f260c2dafa1c753018970_exe32.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum a4c5b1b00a0f260c2dafa1c753018970_exe32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum tjhif.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 tjhif.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf tjhif.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2548 set thread context of 4964 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 83 PID 3236 set thread context of 1400 3236 tjhif.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4964 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 4964 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe 1400 tjhif.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 4964 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 3236 tjhif.exe 1400 tjhif.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2548 wrote to memory of 4964 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 83 PID 2548 wrote to memory of 4964 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 83 PID 2548 wrote to memory of 4964 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 83 PID 2548 wrote to memory of 4964 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 83 PID 2548 wrote to memory of 4964 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 83 PID 2548 wrote to memory of 4964 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 83 PID 2548 wrote to memory of 4964 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 83 PID 2548 wrote to memory of 4964 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 83 PID 2548 wrote to memory of 4964 2548 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 83 PID 4964 wrote to memory of 3236 4964 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 91 PID 4964 wrote to memory of 3236 4964 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 91 PID 4964 wrote to memory of 3236 4964 a4c5b1b00a0f260c2dafa1c753018970_exe32.exe 91 PID 3236 wrote to memory of 1400 3236 tjhif.exe 92 PID 3236 wrote to memory of 1400 3236 tjhif.exe 92 PID 3236 wrote to memory of 1400 3236 tjhif.exe 92 PID 3236 wrote to memory of 1400 3236 tjhif.exe 92 PID 3236 wrote to memory of 1400 3236 tjhif.exe 92 PID 3236 wrote to memory of 1400 3236 tjhif.exe 92 PID 3236 wrote to memory of 1400 3236 tjhif.exe 92 PID 3236 wrote to memory of 1400 3236 tjhif.exe 92 PID 3236 wrote to memory of 1400 3236 tjhif.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\a4c5b1b00a0f260c2dafa1c753018970_exe32.exe"C:\Users\Admin\AppData\Local\Temp\a4c5b1b00a0f260c2dafa1c753018970_exe32.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Users\Admin\AppData\Local\Temp\a4c5b1b00a0f260c2dafa1c753018970_exe32.exe712⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Users\Admin\tjhif.exe"C:\Users\Admin\tjhif.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3236 -
C:\Users\Admin\tjhif.exe714⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1400
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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
144KB
MD5a4c5b1b00a0f260c2dafa1c753018970
SHA14fe1bfcc3bf8b0a514bd93f5285b57538d3f3bd7
SHA2569a92929388c7e26f4be359568b1686645f0c16d0f9d55273e8e67302933c06d2
SHA512e6dd45d519210c47d24426792323e84604373cffdfc991a5405469c15a53348c934071a533f089642d66c4b8a71de93662c2e8d3c48e2685b90cf6aceae7ed0e
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Filesize
144KB
MD5a4c5b1b00a0f260c2dafa1c753018970
SHA14fe1bfcc3bf8b0a514bd93f5285b57538d3f3bd7
SHA2569a92929388c7e26f4be359568b1686645f0c16d0f9d55273e8e67302933c06d2
SHA512e6dd45d519210c47d24426792323e84604373cffdfc991a5405469c15a53348c934071a533f089642d66c4b8a71de93662c2e8d3c48e2685b90cf6aceae7ed0e
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Filesize
144KB
MD5a4c5b1b00a0f260c2dafa1c753018970
SHA14fe1bfcc3bf8b0a514bd93f5285b57538d3f3bd7
SHA2569a92929388c7e26f4be359568b1686645f0c16d0f9d55273e8e67302933c06d2
SHA512e6dd45d519210c47d24426792323e84604373cffdfc991a5405469c15a53348c934071a533f089642d66c4b8a71de93662c2e8d3c48e2685b90cf6aceae7ed0e
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Filesize
144KB
MD5a4c5b1b00a0f260c2dafa1c753018970
SHA14fe1bfcc3bf8b0a514bd93f5285b57538d3f3bd7
SHA2569a92929388c7e26f4be359568b1686645f0c16d0f9d55273e8e67302933c06d2
SHA512e6dd45d519210c47d24426792323e84604373cffdfc991a5405469c15a53348c934071a533f089642d66c4b8a71de93662c2e8d3c48e2685b90cf6aceae7ed0e