Analysis
- max time kernel
147s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system - submitted
06/01/2024, 10:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
45a2a1132f0ca00d94d8ed9ab573b3a9.exe
Resource
win7-20231215-en
10 signatures
150 seconds
General
- Target 45a2a1132f0ca00d94d8ed9ab573b3a9.exe
- Size 743KB
- Sample240106-mjfvmsfag6
- SHA256 e502fcf4ae5b5af00d0d58b55295cff685f473f8d57e750bfde618161d3ba006
- MD5 45a2a1132f0ca00d94d8ed9ab573b3a9
- SHA1 ca4945e49e14b502f18799434d71a50c814458ef
- SHA512 529a8dc9ce3dd146f4274838a3ab6398816efc0290ca95fa1ce6ccab70e20fbec15e235db007088d87e89b52893abf87056c8b8e6c2dd3cc108c1c524a0a9f0a
- SSDEEP 12288:ON5RoPcUFPG/U1Y6JUGxsB9j3pe8RqKmv31WV:ONfoUUFPGc1YFGSXbpZqnv31o
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation 45a2a1132f0ca00d94d8ed9ab573b3a9.exe Key value queried \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation 45a2a1132f0ca00d94d8ed9ab573b3a9.exe Key value queried \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation Host.exe - Executes dropped EXE 2 IoCs
pid Process 3016 Host.exe 3236 Host.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3676 set thread context of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3016 set thread context of 3236 3016 Host.exe 104 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2388 schtasks.exe 3320 schtasks.exe - Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 3676 wrote to memory of 2388 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 102 PID 3676 wrote to memory of 2388 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 102 PID 3676 wrote to memory of 2388 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 102 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 3676 wrote to memory of 4484 3676 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 99 PID 4484 wrote to memory of 3016 4484 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 101 PID 4484 wrote to memory of 3016 4484 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 101 PID 4484 wrote to memory of 3016 4484 45a2a1132f0ca00d94d8ed9ab573b3a9.exe 101 PID 3016 wrote to memory of 3320 3016 Host.exe 106 PID 3016 wrote to memory of 3320 3016 Host.exe 106 PID 3016 wrote to memory of 3320 3016 Host.exe 106 PID 3016 wrote to memory of 3236 3016 Host.exe 104 PID 3016 wrote to memory of 3236 3016 Host.exe 104 PID 3016 wrote to memory of 3236 3016 Host.exe 104 PID 3016 wrote to memory of 3236 3016 Host.exe 104 PID 3016 wrote to memory of 3236 3016 Host.exe 104 PID 3016 wrote to memory of 3236 3016 Host.exe 104 PID 3016 wrote to memory of 3236 3016 Host.exe 104 PID 3016 wrote to memory of 3236 3016 Host.exe 104 PID 3016 wrote to memory of 3236 3016 Host.exe 104 PID 3016 wrote to memory of 3236 3016 Host.exe 104 PID 3016 wrote to memory of 3236 3016 Host.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\45a2a1132f0ca00d94d8ed9ab573b3a9.exe"C:\Users\Admin\AppData\Local\Temp\45a2a1132f0ca00d94d8ed9ab573b3a9.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3676 -
C:\Users\Admin\AppData\Local\Temp\45a2a1132f0ca00d94d8ed9ab573b3a9.exe"C:\Users\Admin\AppData\Local\Temp\45a2a1132f0ca00d94d8ed9ab573b3a9.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"4⤵
- Executes dropped EXE
PID:3236
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HntulBWtPp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA870.tmp"4⤵
- Creates scheduled task(s)
PID:3320
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HntulBWtPp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5D9.tmp"2⤵
- Creates scheduled task(s)
PID:2388
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