Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2023 17:52
Static task
static1
Behavioral task
behavioral1
Sample
vnc-4_1_3-x86_win32.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
vnc-4_1_3-x86_win32.exe
Resource
win10v2004-20230220-en
General
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Target
vnc-4_1_3-x86_win32.exe
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Size
724KB
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MD5
790856e8ae34f0ac3eb40e031cf7a47a
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SHA1
fb500f585127ae25c3a5d2153d0740c2ac6fd946
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SHA256
21d04c62e49ca21daf3f98fa503edb61cee610ebd185e0b34cac4ba44638db19
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SHA512
e58f42cef0a515c1a4ae922af15ebc06bcd46e36607c5092e6811a97766dff04869c802368a5cfc290886972634de0024e31b93ac26aa7b6ca08ad4e08dd3110
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SSDEEP
12288:E2UtLvkQcEYXOmVNEfTC21h9vEwhy0wsiqHElPScqKvnY3QyunoYcS5KB:E2UpCEYXVVmbC21hZ8psi7l8YaXas
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
vnc-4_1_3-x86_win32.tmppid process 4944 vnc-4_1_3-x86_win32.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes:
vnc-4_1_3-x86_win32.exedescription pid process target process PID 1128 wrote to memory of 4944 1128 vnc-4_1_3-x86_win32.exe vnc-4_1_3-x86_win32.tmp PID 1128 wrote to memory of 4944 1128 vnc-4_1_3-x86_win32.exe vnc-4_1_3-x86_win32.tmp PID 1128 wrote to memory of 4944 1128 vnc-4_1_3-x86_win32.exe vnc-4_1_3-x86_win32.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\vnc-4_1_3-x86_win32.exe"C:\Users\Admin\AppData\Local\Temp\vnc-4_1_3-x86_win32.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Users\Admin\AppData\Local\Temp\is-POTVP.tmp\vnc-4_1_3-x86_win32.tmp"C:\Users\Admin\AppData\Local\Temp\is-POTVP.tmp\vnc-4_1_3-x86_win32.tmp" /SL5="$B0054,488918,53248,C:\Users\Admin\AppData\Local\Temp\vnc-4_1_3-x86_win32.exe"2⤵
- Executes dropped EXE
PID:4944
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
669KB
MD552950ac9e2b481453082f096120e355a
SHA1159c09db1abcee9114b4f792ffba255c78a6e6c3
SHA25625fbc88c7c967266f041ae4d47c2eae0b96086f9e440cca10729103aee7ef6cd
SHA5125b61c28bbcaedadb3b6cd3bb8a392d18016c354c4c16e01395930666addc95994333dfc45bea1a1844f6f1585e79c729136d3714ac118b5848becde0bdb182ba
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Filesize
669KB
MD552950ac9e2b481453082f096120e355a
SHA1159c09db1abcee9114b4f792ffba255c78a6e6c3
SHA25625fbc88c7c967266f041ae4d47c2eae0b96086f9e440cca10729103aee7ef6cd
SHA5125b61c28bbcaedadb3b6cd3bb8a392d18016c354c4c16e01395930666addc95994333dfc45bea1a1844f6f1585e79c729136d3714ac118b5848becde0bdb182ba