Analysis
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max time kernel
119s -
max time network
97s -
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, 12:31
Static task
static1
Behavioral task
behavioral1
Sample
dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe
Resource
win10v2004-20241007-en
General
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Target
dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe
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Size
86KB
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MD5
560b65387bf860256ccf39638645d18a
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SHA1
8a2ea756c56f5106dab1750449967ec6296e58e3
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SHA256
dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2
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SHA512
6d438190a899f84c63a0f192afbbdb941626feb5ea8e5529d6913e46240b223ef31606dcadf5b99ce2ac76d31e94dd89a0fbe939e2e2e4bac9b78aebd761d2ae
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SSDEEP
1536:HAo0zj2d6rnJYulBJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Na:HAoAliulHnJBSX1nV1b1N1Il1k1YFI1l
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3820 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 3820 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
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 dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2764 wrote to memory of 3820 2764 dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe 83 PID 2764 wrote to memory of 3820 2764 dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe 83 PID 2764 wrote to memory of 3820 2764 dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe"C:\Users\Admin\AppData\Local\Temp\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3820
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD53d2b5d025a986136f64d715fde7829f7
SHA126d7e1da1af92793e088cf0ccad672243357b7ab
SHA2565ff7e1eadb6c4d6ba9a1e17b8599b51662d60eba2ef5a20a15acbc47babe2798
SHA512e80e332913d9fbaacb6468217e3544fa5e59960bcd07f5ea30a5e34de02bb156d29a66946b1b0c9e75ff7f3c54b4fd7daf7764bf8002d3b85db9982e542b4886