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
-
max time kernel
148s -
max time network
159s -
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/ServUAdmin.exe
-
Size
2.5MB
-
MD5
a1ce91003dab3490819f6c843e47077a
-
SHA1
a47333bbf7b59ea85a7dff63d0ae0cb5a1e8c21d
-
SHA256
89bcd46ae90b05d7b95f184b6cacd13e0be815140f92e35e52d3806f5457885c
-
SHA512
7903007c5e48b98dba4d564b9875cff53bda8d08861b005e194662bcd5d7f8b5a68ad39df4f6d99d81305f539f39234a67568b00adbe920014441cf19651d6f4
-
SSDEEP
49152:9PwrHFdwu54mXX2MUUKIUFtoaBQriFhV9o1TB5NYUgQAJv8gcZDL:mT5HXXIZHol6Ug4L
Malware Config
Signatures
-
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4636 ServUAdmin.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: 33 4636 ServUAdmin.exe Token: SeIncBasePriorityPrivilege 4636 ServUAdmin.exe Token: 33 4636 ServUAdmin.exe Token: SeIncBasePriorityPrivilege 4636 ServUAdmin.exe Token: 33 4636 ServUAdmin.exe Token: SeIncBasePriorityPrivilege 4636 ServUAdmin.exe Token: SeManageVolumePrivilege 5048 svchost.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Serv-U\ServUAdmin.exe"C:\Users\Admin\AppData\Local\Temp\Serv-U\ServUAdmin.exe"1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4636
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:3264
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5048
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
16KB
MD5046a11ef56226477f0e7e418312f237a
SHA115556fdc873f76fbd399a4d0f8fb6bae0a2e5b79
SHA256ff76513c31b87d521be85a175e96ec8bcbcc6122c1718d8f3f61b957b2f3554a
SHA512246f51d970afbf4893f4617d4ae7916ce54fb4210f2670b59b8b3c814871a01ba2443d1573f494973e828c34562b9fa06a8a06de0e62efd4887e879c7a2cab5d