Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
07-06-2024 08:05
Static task
static1
Behavioral task
behavioral1
Sample
d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe
Resource
win10v2004-20240508-en
General
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Target
d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe
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Size
87KB
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MD5
62d620e6c6685f4a31744eccdc506cec
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SHA1
9cbe719874b54b499dd38039a9aa6a885cb2e12e
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SHA256
d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5
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SHA512
98cd40a67d84c427afe569870228f3d795c48858418eccde80898e881be29a6f6a07d61d0b1a2236fe87685fba4461508f315c68447f384391c5d8eee2038c8c
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SSDEEP
1536:NDj2d6rnJbJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nsqnl1RY:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1Mu7
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2096 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2096 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2096 microsofthelp.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1732 wrote to memory of 2096 1732 d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe 28 PID 1732 wrote to memory of 2096 1732 d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe 28 PID 1732 wrote to memory of 2096 1732 d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe 28 PID 1732 wrote to memory of 2096 1732 d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe"C:\Users\Admin\AppData\Local\Temp\d8657e5d5c8f96fc0ddc912e9f0de82c14ff36cea078ffb3f797f1b1cd00ebd5.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:2096
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
88KB
MD53b1dacc35614c4b623d0d2361fe643dd
SHA134189b83ed189e2c50e8682a3d67acf754c52d08
SHA25683e0912e4cdc3b73111c378c5304f83d82b3cd0a542236e6b934fe84262f7a54
SHA5129b4e8cf3a1e16b60c889d085ffc7302f99fb4f5447822ab0a54b5d57ae472c972c136a386dc5c89976dd9be7c8b7fe5265e65e33749bee29f0cc44c1842b8e97