Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 01:51
Static task
static1
Behavioral task
behavioral1
Sample
9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe
Resource
win10v2004-20240226-en
General
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Target
9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe
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Size
46KB
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MD5
1d94b9a477d019a4bfd3c388304e62ad
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SHA1
7c86b4e3a4d24e01ecb13c67fc2097225882f0e5
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SHA256
9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616
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SHA512
90906a69622e95b4e4c975905488a4f73bce969cd555fe401e625e29d461c897a76114a0a2e58339c60de27b58c0aacf5e99aefb182722c48ed13ae66b7b0cda
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SSDEEP
768:keLI9Sqhu9+8tuGKXGRRkwbRlgcXQVQWjSs1tZ8pdNmLUrcrsANsdM5T233U8:NLI4qg9+Q/KMJqSsGpdNmLUIsWsdM5Tq
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe -
Executes dropped EXE 1 IoCs
Processes:
ctbhost.exepid process 3100 ctbhost.exe -
Processes:
resource yara_rule behavioral2/memory/1420-0-0x0000000010000000-0x000000001000E000-memory.dmp upx behavioral2/memory/1420-3-0x0000000010000000-0x000000001000E000-memory.dmp upx behavioral2/memory/3100-11-0x0000000010000000-0x000000001000E000-memory.dmp upx behavioral2/memory/3100-12-0x0000000010000000-0x000000001000E000-memory.dmp upx behavioral2/memory/1420-14-0x0000000010000000-0x000000001000E000-memory.dmp upx behavioral2/memory/3100-15-0x0000000010000000-0x000000001000E000-memory.dmp upx behavioral2/memory/3100-17-0x0000000010000000-0x000000001000E000-memory.dmp upx behavioral2/memory/3100-18-0x0000000010000000-0x000000001000E000-memory.dmp upx behavioral2/memory/3100-20-0x0000000010000000-0x000000001000E000-memory.dmp upx behavioral2/memory/3100-22-0x0000000010000000-0x000000001000E000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
Processes:
9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exedescription ioc process File created C:\Windows\Debug\ctbhost.exe 9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe File opened for modification C:\Windows\Debug\ctbhost.exe 9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
ctbhost.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ctbhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz ctbhost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exedescription pid process Token: SeIncBasePriorityPrivilege 1420 9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exedescription pid process target process PID 1420 wrote to memory of 3672 1420 9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe cmd.exe PID 1420 wrote to memory of 3672 1420 9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe cmd.exe PID 1420 wrote to memory of 3672 1420 9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe"C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9C658D~1.EXE > nul2⤵PID:3672
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C:\Windows\Debug\ctbhost.exeC:\Windows\Debug\ctbhost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3100
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1032 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵PID:1616
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46KB
MD53edf91b30a77cd2b561e188f6aea39ce
SHA15ab027b0965ffa83149d839ad41dbf96fa872ab8
SHA25672812ccb83396b3c5f0fc8c9af4fb652969b30843a92b9c04f0a92190708e919
SHA512a65eb425ccdc26d0112935aca6f171a1b86e17bba8ee1c48f71b5817e46683fd1692d2e8c0d2a41af08f1a822b8379d67e6e023d40e4dcccb8f55067f79d3d04