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
09/11/2024, 19:48
Static task
static1
Behavioral task
behavioral1
Sample
363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.exe
Resource
win10v2004-20241007-en
General
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Target
363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.exe
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Size
61KB
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MD5
d331cdb822029feaa1d2e67be89e6210
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SHA1
ea6e088ab2b9abe7c53a674a38da5af19aa3485d
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SHA256
363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9ac
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SHA512
441506d25a01d07d443966ed129a14744b31e533ccc50d2158d90ec25deaa7bcf59a041fcfaa58888ef7943f9f5f515c810930e9de4fe8f4abfd296fe419b9ab
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SSDEEP
1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIm:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVo
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1200 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1200 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.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 363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 316 wrote to memory of 1200 316 363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.exe 83 PID 316 wrote to memory of 1200 316 363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.exe 83 PID 316 wrote to memory of 1200 316 363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.exe"C:\Users\Admin\AppData\Local\Temp\363fffd707670d52d209b5d811556cdd48e076198eac491fd3ccf1cd4836d9acN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:316 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1200
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
62KB
MD587e44fe2eaf797dd2cb6bede92671edd
SHA18a2763f7a3cde242c460e40cd6eafcc00182a2dd
SHA256914f3f735d398f8a8bc76ad0c59ce0cf4178a3d447c329077a59cdc469823b5d
SHA5121be32d57cd53f9e030ecbc17b1267f0251b83e6487594d6508bbe431a12f0f3e3adf44057400791d295b5c2c76ee138207d910f3c6aa6ad7311174d129965f29