Overview
overview
7Static
static
7Serv-U/MSVCP71.dll
windows7-x64
3Serv-U/MSVCP71.dll
windows10-2004-x64
3Serv-U/MSVCR71.dll
windows7-x64
3Serv-U/MSVCR71.dll
windows10-2004-x64
3Serv-U/RhinoNET.dll
windows7-x64
3Serv-U/RhinoNET.dll
windows10-2004-x64
3Serv-U/ServUAdmin.exe
windows7-x64
1Serv-U/ServUAdmin.exe
windows10-2004-x64
1Serv-U/Ser...on.exe
windows7-x64
7Serv-U/Ser...on.exe
windows10-2004-x64
7Serv-U/Ser...nt.dll
windows7-x64
1Serv-U/Ser...nt.dll
windows10-2004-x64
1Serv-U/ServUTray.exe
windows7-x64
6Serv-U/ServUTray.exe
windows10-2004-x64
6Serv-U/SetupUtil.exe
windows7-x64
1Serv-U/SetupUtil.exe
windows10-2004-x64
1Serv-U/libeay32.dll
windows7-x64
1Serv-U/libeay32.dll
windows10-2004-x64
1Serv-U/ssleay32.dll
windows7-x64
1Serv-U/ssleay32.dll
windows10-2004-x64
1Serv-U/zlib1.dll
windows7-x64
3Serv-U/zlib1.dll
windows10-2004-x64
3Analysis
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max time kernel
161s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2023 14:48
Behavioral task
behavioral1
Sample
Serv-U/MSVCP71.dll
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Serv-U/MSVCP71.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral3
Sample
Serv-U/MSVCR71.dll
Resource
win7-20231020-en
Behavioral task
behavioral4
Sample
Serv-U/MSVCR71.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral5
Sample
Serv-U/RhinoNET.dll
Resource
win7-20231020-en
Behavioral task
behavioral6
Sample
Serv-U/RhinoNET.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral7
Sample
Serv-U/ServUAdmin.exe
Resource
win7-20231025-en
Behavioral task
behavioral8
Sample
Serv-U/ServUAdmin.exe
Resource
win10v2004-20231023-en
Behavioral task
behavioral9
Sample
Serv-U/ServUDaemon.exe
Resource
win7-20231023-en
Behavioral task
behavioral10
Sample
Serv-U/ServUDaemon.exe
Resource
win10v2004-20231023-en
Behavioral task
behavioral11
Sample
Serv-U/ServUPerfCount.dll
Resource
win7-20231023-en
Behavioral task
behavioral12
Sample
Serv-U/ServUPerfCount.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral13
Sample
Serv-U/ServUTray.exe
Resource
win7-20231020-en
Behavioral task
behavioral14
Sample
Serv-U/ServUTray.exe
Resource
win10v2004-20231020-en
Behavioral task
behavioral15
Sample
Serv-U/SetupUtil.exe
Resource
win7-20231023-en
Behavioral task
behavioral16
Sample
Serv-U/SetupUtil.exe
Resource
win10v2004-20231020-en
Behavioral task
behavioral17
Sample
Serv-U/libeay32.dll
Resource
win7-20231020-en
Behavioral task
behavioral18
Sample
Serv-U/libeay32.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral19
Sample
Serv-U/ssleay32.dll
Resource
win7-20231020-en
Behavioral task
behavioral20
Sample
Serv-U/ssleay32.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral21
Sample
Serv-U/zlib1.dll
Resource
win7-20231020-en
Behavioral task
behavioral22
Sample
Serv-U/zlib1.dll
Resource
win10v2004-20231023-en
General
-
Target
Serv-U/ServUDaemon.exe
-
Size
299KB
-
MD5
f915567a70c18f2124d7825d691ed2ef
-
SHA1
d0edca33cea8be02fd874389d637ab23fc05010a
-
SHA256
18b6bec83992cc62d97ea016a3a3aa56a690fc3314a70da095678919140ea0bf
-
SHA512
32f6123b3f372f49015b0de93c1be0e16b6de65f597652d5cfda092c333aac7f025ea5f70c008c1cb85304c385269e0f9dbbde22881ebe1d8630047a462fec23
-
SSDEEP
6144:T00L77e1r3+YrxZJWVGTp5Ohoq5P/W8XaMPlmwGlBndJrfnSx6dGUJX:TxL7+TdWUpCoq5nHXAplBdBJT
Malware Config
Signatures
-
resource yara_rule behavioral10/memory/4936-0-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-49-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-50-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-53-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-57-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-60-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-64-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-73-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-76-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-80-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-83-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral10/memory/4936-94-0x0000000000400000-0x00000000004D8000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4936 ServUDaemon.exe 4936 ServUDaemon.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
43B
MD511a69e661526d74ee8aa43b01888d5db
SHA15017b35336b018a79efa9a5e6f1666ce7c3e1615
SHA256ba69a65077412c880cde06c584ab1800dd70ad1b856fac4a9b74e44aa63c533d
SHA512dfebbf4e044a084a909a511621bc742d7ac30f3a3332694a3a530c0dfa0603362babcfcc6fc591a96f74a99649a3808fd20050d53c81b3068c89608df421870a