Resubmissions
31-05-2024 08:26
240531-kb5gxscc8t 1030-05-2024 13:27
240530-qp8dmaab3y 1030-05-2024 11:10
240530-m9qgrsfb9x 10Analysis
-
max time kernel
135s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
30-05-2024 13:27
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
XClient.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
XClient.exe
Resource
win11-20240426-en
General
-
Target
XClient.exe
-
Size
62KB
-
MD5
3f171ed4261c46329a1bcc62ebb19519
-
SHA1
06768df330b8012ee3d0cb22723408636ba7c17a
-
SHA256
3c096dc60917ae1e47a754fd578882f1286ee9114ff5c6558b4f84f0be69076f
-
SHA512
81e90ab476967a8ca6b88f8060fe72b56450dae6300adfbcef346dfb4c523e054da05d192209ff53771a8b49ad6a6922151d905a5a6bbc8decfe551ab757a06d
-
SSDEEP
1536:1RE9Nr0ZWB8lQkagw9DC1oTnNbSkoRek+OUpS:1RE9NQZWB8XaguCWNbSHwk+OUE
Malware Config
Extracted
xworm
3.0
scamov-48667.portmap.host:48667
-
Install_directory
%LocalAppData%
-
install_file
Cheat.exe
-
telegram
https://api.telegram.org/bot6992734078:AAE3Znug3pzwyvwxKrzRk75x1dHIdnYHy4Q/sendMessage?chat_id=6790913039
Signatures
-
Detect Xworm Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1904-1-0x0000000000220000-0x0000000000236000-memory.dmp family_xworm C:\Users\Admin\AppData\Local\XClient.exe family_xworm behavioral1/memory/2668-16-0x0000000000A00000-0x0000000000A16000-memory.dmp family_xworm behavioral1/memory/796-19-0x00000000000C0000-0x00000000000D6000-memory.dmp family_xworm -
Drops startup file 2 IoCs
Processes:
XClient.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe -
Executes dropped EXE 2 IoCs
Processes:
XClient.exeXClient.exepid process 2668 XClient.exe 796 XClient.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
XClient.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Local\\XClient.exe" XClient.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
XClient.exepid process 1904 XClient.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
XClient.exeXClient.exeXClient.exedescription pid process Token: SeDebugPrivilege 1904 XClient.exe Token: SeDebugPrivilege 1904 XClient.exe Token: SeDebugPrivilege 2668 XClient.exe Token: SeDebugPrivilege 796 XClient.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
XClient.exetaskeng.exedescription pid process target process PID 1904 wrote to memory of 2644 1904 XClient.exe schtasks.exe PID 1904 wrote to memory of 2644 1904 XClient.exe schtasks.exe PID 1904 wrote to memory of 2644 1904 XClient.exe schtasks.exe PID 2588 wrote to memory of 2668 2588 taskeng.exe XClient.exe PID 2588 wrote to memory of 2668 2588 taskeng.exe XClient.exe PID 2588 wrote to memory of 2668 2588 taskeng.exe XClient.exe PID 2588 wrote to memory of 796 2588 taskeng.exe XClient.exe PID 2588 wrote to memory of 796 2588 taskeng.exe XClient.exe PID 2588 wrote to memory of 796 2588 taskeng.exe XClient.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Local\XClient.exe"2⤵
- Creates scheduled task(s)
PID:2644
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {2F5DD08F-6998-4DB1-A062-0A66C180C726} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Users\Admin\AppData\Local\XClient.exeC:\Users\Admin\AppData\Local\XClient.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2668
-
-
C:\Users\Admin\AppData\Local\XClient.exeC:\Users\Admin\AppData\Local\XClient.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:796
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
62KB
MD53f171ed4261c46329a1bcc62ebb19519
SHA106768df330b8012ee3d0cb22723408636ba7c17a
SHA2563c096dc60917ae1e47a754fd578882f1286ee9114ff5c6558b4f84f0be69076f
SHA51281e90ab476967a8ca6b88f8060fe72b56450dae6300adfbcef346dfb4c523e054da05d192209ff53771a8b49ad6a6922151d905a5a6bbc8decfe551ab757a06d