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
30-11-2024 05:12
Static task
static1
Behavioral task
behavioral1
Sample
d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.exe
Resource
win10v2004-20241007-en
General
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Target
d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.exe
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Size
53KB
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MD5
2a8c3cc082c7a6c99590d882ee8f7b30
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SHA1
d4276a3b88ae6240235720d157c9fcb18d22cd08
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SHA256
d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8
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SHA512
f536ba29d075f2544a6f60243e9bf3adcac130d379d71bbe1d1c52edd5cd1f38dc47b093d696d070217dec7aeae1872219ed63fc5423def2f669c49b4103e986
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SSDEEP
1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIb:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVx
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1968 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1968 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.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 d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2420 wrote to memory of 1968 2420 d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.exe 83 PID 2420 wrote to memory of 1968 2420 d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.exe 83 PID 2420 wrote to memory of 1968 2420 d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.exe"C:\Users\Admin\AppData\Local\Temp\d7d37795dddbcca79b5cc0fa5834fd26b86151d16a8f35b533dd00946b37dca8N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
54KB
MD512fad40c1c60a9752d516c36c9439d45
SHA187ddbfefcedd55b66b1d42c068ea843bcb4d9417
SHA256da125604cc5cdcd04a9a5c30328b8eb8e3b6bf7682a6d6a8e867e68ffa76550e
SHA512474cf62397f9d1179f3382cf18f6790089dc9a40abb8e70b49b64f8495bf3e5c38167c8d871f557ea1d6e71634a511e264a29f69985b5d09496d72b92e4fbe8a