Analysis
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max time kernel
149s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
09/11/2024, 21:57
Static task
static1
Behavioral task
behavioral1
Sample
4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe
Resource
win10v2004-20241007-en
General
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Target
4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe
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Size
50KB
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MD5
e2c8ab6ed01405df15164ac7ec03a5cc
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SHA1
4fffd6a4a4eca213037688eb67d60da107dd1c38
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SHA256
4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078
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SHA512
5a49d1332586dc5155bce8215ac3d7129f208aaba82b28f3434a27f580a24d34a6218db2ae6e8d083d35a31b6a37e3f9d5e38a73409e1f2a46bf314976cf91be
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SSDEEP
1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIb:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVR
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3000 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 3000 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2592 wrote to memory of 3000 2592 4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe 30 PID 2592 wrote to memory of 3000 2592 4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe 30 PID 2592 wrote to memory of 3000 2592 4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe 30 PID 2592 wrote to memory of 3000 2592 4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe"C:\Users\Admin\AppData\Local\Temp\4a3c8dd1d716ae16de2322439014ea29acf0b900bf41ed47d86e62977c503078.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:3000
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD5280a671508ac84a003da0263a4b6be99
SHA1dcbf24dd7c55b4dd2a5501b57c49791ae689e2f1
SHA2560237235829417a3b3aa21f75a74aca51ab1a446c225e5a61417a3bc57d2843f1
SHA512b280e9334c2f539d4480043d1f271a9ea81685e7d13c754d772ab9e8158431084be6704a2636759d6d02b43661e0177c8c102d3219af3ad56430938901f63620