Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/10/2024, 02:51
Static task
static1
Behavioral task
behavioral1
Sample
bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe
Resource
win10v2004-20241007-en
General
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Target
bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe
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Size
65KB
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MD5
9e7502b30bdfc41379ba8042689dadf4
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SHA1
d4af5e7339f36b24e408188decc59f34dc2d3d17
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SHA256
bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4
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SHA512
460a96130dea11f2e6b7545eb8407dab19be8ebd73fcaf025c64c7711470fe9368cbdf40f4e6361f7a1f4589de9b78ddf050d9c29e86927a7a8bb2928ded1c7e
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SSDEEP
1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhqhJhtE9:NAoglOwvl4ulkP6vghzwYu7vih9GueI5
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2908 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2908 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe File created C:\Windows\HidePlugin.dll microsofthelp.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 bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2404 wrote to memory of 2908 2404 bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe 30 PID 2404 wrote to memory of 2908 2404 bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe 30 PID 2404 wrote to memory of 2908 2404 bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe 30 PID 2404 wrote to memory of 2908 2404 bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe"C:\Users\Admin\AppData\Local\Temp\bddbf2f521d9473a56dcc248e899536a2bb85b2958c58062bcc61e030250beb4.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:2908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
66KB
MD54f8008d4d208b545985f5ef2adcc5fbf
SHA1176897f8d16f86f99028f03084998ecb22d886ba
SHA256f2387a1a8500a2d568e484cdaa20da2f23abc971c90ffe12d4aef733f8aae589
SHA512bbad30ac8b86345048c1b7f8b70478969d842c28d3e35ef9737eedc1fb1bc37c83c200560e68446325381ecf04dad4f244eb9f4fa997f6aa0c94433af1c80114