Analysis
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max time kernel
119s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/11/2024, 13:54
Static task
static1
Behavioral task
behavioral1
Sample
7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe
Resource
win10v2004-20241007-en
General
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Target
7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe
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Size
37KB
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MD5
7b283965a11b71755e76b4464dfc48f0
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SHA1
2ae88e03e3a31ece2efdbfd236e63a7e763e0d6d
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SHA256
7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4b
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SHA512
83ed88d5c7f71ae85ad413db55e2cf7d231a5c10c098d8cb9ac3e7f4a96d12179f53a8265da63e067ea88e19351d4cc9516a5a753edc8e6ed683e8dab57de04e
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SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/l:e6q10k0EFjed6rqJ+6vghzwYu7vih9G+
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3064 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 3064 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.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 7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1968 wrote to memory of 3064 1968 7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe 83 PID 1968 wrote to memory of 3064 1968 7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe 83 PID 1968 wrote to memory of 3064 1968 7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe"C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968 -
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:3064
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD52f5b3421d363335b406a1e431bfe16e9
SHA13612b5dd5cf03c732c067df0919751d8018d9b50
SHA25620bd46037edd2866dfbed16b9a19e49e9b10b6f3d072c2c4001ec9227dc30643
SHA512a3b6f080ef3442c5c1e65f39fd2f896490e841f29888823fc6448816fa23426436b6b6e6dfcf5c2d64a5c884cc64e704784af227ee8dd8d522ec019b05d9ba91