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Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05/10/2024, 21:33
Static task
static1
Behavioral task
behavioral1
Sample
8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe
Resource
win10v2004-20240802-en
General
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Target
8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe
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Size
40KB
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MD5
02cf9afbccd9a4856b6834a5980217e0
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SHA1
24603a1c319406373712d44017529c6d5d9218ae
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SHA256
8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0
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SHA512
d50a2951fb9235b257891e12b072df619fc590e8ed84b7b040871a3750fe592e2948ca05a7ff232ed08807a381f2b989a5ef1a2dd453cbe2c73d6b491ed76b49
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SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Emkc4:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gh
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1632 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1632 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\HidePlugin.dll microsofthelp.exe File created C:\Windows\microsofthelp.exe 8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.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 8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1640 wrote to memory of 1632 1640 8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe 30 PID 1640 wrote to memory of 1632 1640 8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe 30 PID 1640 wrote to memory of 1632 1640 8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe 30 PID 1640 wrote to memory of 1632 1640 8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe"C:\Users\Admin\AppData\Local\Temp\8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:1632
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
40KB
MD597e3be1b5023dda2fb25fdcb71812639
SHA1fd1f9809cea8f6db94116d86126c6ebbccf586bc
SHA256a5a016af262739a2410d4b2b01b823c3db5a7230eca2dfbb9c404fa1917d4c5a
SHA512ad3d9ea5d6bece333f18fac39dc8df74de5e3099738c839cadac1f089e5cffa9f112696d82f8b0d4199dffa649f062e55e08bf914ad7a0af9b02e008bccde73c