Analysis
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max time kernel
120s -
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, 20:29
Static task
static1
Behavioral task
behavioral1
Sample
f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe
Resource
win10v2004-20241007-en
General
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Target
f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe
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Size
72KB
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MD5
57716a015b17f2c52bb94bb278050c60
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SHA1
f2b66533464f548d48b67b0abd7be16cbf6eb0c8
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SHA256
f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364ed
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SHA512
22e876a07320c1a6168664f719167562a3b5415c1e5a982c0a6c278265337ad73021387fc74b0fa6b7b4843115cc6ea713a0c3775369ba9b02afef526d71199f
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SSDEEP
1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbRJhHhLhIKF:NAoglOwvl4ulkP6vghzwYu7vih9GueIO
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1552 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1552 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" f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.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 f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2280 wrote to memory of 1552 2280 f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe 31 PID 2280 wrote to memory of 1552 2280 f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe 31 PID 2280 wrote to memory of 1552 2280 f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe 31 PID 2280 wrote to memory of 1552 2280 f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe"C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:1552
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
72KB
MD53c5787b7c8139b6b521d2e62c8203f86
SHA14edd07ffd2b3bfa4363bd66ee3302be5d5a895cd
SHA25659c093a1e65ca86d9140235164776579ee0af2845bd57af16fc4eb470691418b
SHA512fd8e5bd5fdf2b9a3508dcc678405fb80bbf05fce5e7bb7ec51a77bb40625b34524b1c5f8368780458a229168e074cd098df755ec94077cd5724673fc062c263a