Analysis
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max time kernel
310s -
max time network
405s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2022 15:05
Static task
static1
Behavioral task
behavioral1
Sample
bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe
Resource
win7-20221111-en
General
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Target
bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe
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Size
238KB
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MD5
440d7a7357b48507cbf9857064638dfd
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SHA1
fbf4d41cc343cb260d0c320ade3c1271959d6eba
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SHA256
bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3
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SHA512
ee709aa46f4506aa1ce26d0edcdbf9241749ed154e1a8ab2976b691f95469c8cdef168d59ad27773506e433debb0a28550f113f6bb5b7e1e12c994fcd2aa875c
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SSDEEP
3072:zTZ5rlD8r5Yg3g7xnyfKUze1zF9Olhc7tmtpsJpQuTejgu3nypr/7Rioqz5HKd/z:zTyYg3AnySQcWlqi1ERio6q2U
Malware Config
Extracted
limerat
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aes_key
IRj3SceatjDfweW/qMMw7g==
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antivm
true
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c2_url
https://pastebin.com/raw/p8Be8nNX
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delay
3
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download_payload
false
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install
true
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install_name
Windows Update.exe
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main_folder
UserProfile
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pin_spread
false
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sub_folder
\Windows\
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usb_spread
false
Signatures
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2312 set thread context of 4480 2312 bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe 81 -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2312 wrote to memory of 4480 2312 bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe 81 PID 2312 wrote to memory of 4480 2312 bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe 81 PID 2312 wrote to memory of 4480 2312 bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe 81 PID 2312 wrote to memory of 4480 2312 bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe 81 PID 2312 wrote to memory of 4480 2312 bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe 81 PID 2312 wrote to memory of 4480 2312 bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe 81 PID 2312 wrote to memory of 4480 2312 bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe"C:\Users\Admin\AppData\Local\Temp\bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Users\Admin\AppData\Local\Temp\bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe"C:\Users\Admin\AppData\Local\Temp\bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3.exe"2⤵PID:4480
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