Analysis
-
max time kernel
61s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
31-05-2024 13:59
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20240426-en
General
-
Target
XClient.exe
-
Size
105KB
-
MD5
1776474422ad23624684d38269ed0683
-
SHA1
9ac322fbcc2bd9c18fe10ab338ff50fdc91977b8
-
SHA256
5db58c7cb9d8c1d9ec6792b2a5fa3cc38de31f9fecbecc1d4ff2f4ac3a0340f6
-
SHA512
4431c2c6c88e3604657e710d21068724646e0f3458949aac984b62464e81f534ec8404cf4a063217074fc6563e0e8329c1ce1d61647f73255e6f487c3130fc04
-
SSDEEP
1536:8JroawfDQDzE1yh6lsA2l+boehSoW0Nn+6dOFRGaPcUk/uoDjSBSc7UtYV8:uZDg02sAO+bounNOfGbv1W0cgte8
Malware Config
Extracted
xworm
19.ip.gl.ply.gg:65468
speed-wheat.gl.at.ply.gg:65468
XWorm V5.2:123
-
Install_directory
%AppData%
-
install_file
Delta.exe
Signatures
-
Detect Xworm Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1656-1-0x00000000009B0000-0x00000000009D0000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\Delta.exe family_xworm behavioral1/memory/2848-36-0x0000000001390000-0x00000000013B0000-memory.dmp family_xworm -
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 1936 powershell.exe 2592 powershell.exe 1944 powershell.exe 2652 powershell.exe -
Drops startup file 2 IoCs
Processes:
XClient.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Delta.lnk XClient.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Delta.lnk XClient.exe -
Executes dropped EXE 1 IoCs
Processes:
Delta.exepid process 2848 Delta.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
XClient.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Delta = "C:\\Users\\Admin\\AppData\\Roaming\\Delta.exe" XClient.exe -
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: EnumeratesProcesses 5 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exeXClient.exepid process 1936 powershell.exe 2592 powershell.exe 1944 powershell.exe 2652 powershell.exe 1656 XClient.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
XClient.exepowershell.exepowershell.exepowershell.exepowershell.exeDelta.exedescription pid process Token: SeDebugPrivilege 1656 XClient.exe Token: SeDebugPrivilege 1936 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 1944 powershell.exe Token: SeDebugPrivilege 2652 powershell.exe Token: SeDebugPrivilege 1656 XClient.exe Token: SeDebugPrivilege 2848 Delta.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
XClient.exepid process 1656 XClient.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
XClient.exetaskeng.exedescription pid process target process PID 1656 wrote to memory of 1936 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 1936 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 1936 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 2592 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 2592 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 2592 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 1944 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 1944 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 1944 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 2652 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 2652 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 2652 1656 XClient.exe powershell.exe PID 1656 wrote to memory of 2544 1656 XClient.exe schtasks.exe PID 1656 wrote to memory of 2544 1656 XClient.exe schtasks.exe PID 1656 wrote to memory of 2544 1656 XClient.exe schtasks.exe PID 2580 wrote to memory of 2848 2580 taskeng.exe Delta.exe PID 2580 wrote to memory of 2848 2580 taskeng.exe Delta.exe PID 2580 wrote to memory of 2848 2580 taskeng.exe Delta.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: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1936
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Delta.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1944
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Delta.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652
-
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Delta" /tr "C:\Users\Admin\AppData\Roaming\Delta.exe"2⤵
- Creates scheduled task(s)
PID:2544
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {1BA173F4-EAA4-428B-B8CD-6B1F2F28329C} S-1-5-21-2737914667-933161113-3798636211-1000:PUMARTNR\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Users\Admin\AppData\Roaming\Delta.exeC:\Users\Admin\AppData\Roaming\Delta.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2848
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
105KB
MD51776474422ad23624684d38269ed0683
SHA19ac322fbcc2bd9c18fe10ab338ff50fdc91977b8
SHA2565db58c7cb9d8c1d9ec6792b2a5fa3cc38de31f9fecbecc1d4ff2f4ac3a0340f6
SHA5124431c2c6c88e3604657e710d21068724646e0f3458949aac984b62464e81f534ec8404cf4a063217074fc6563e0e8329c1ce1d61647f73255e6f487c3130fc04
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD57000e55d2814993bfdc62a8ff4e131ba
SHA10ef4e5de33bc94e6167954710b0eacc7cd245d52
SHA2569b95169ec71dc0c959843e0937a430447de0a2b7b3ed60fd68213c9b8626cee9
SHA5125f73b26d7969f0dc661f7fe3a581ccc4d4dfed223600d3aa032511a9815f0f3f9beeaaa56fc19a5714bd927e50c5fa7fb9f86af3ade4c3c65796688053fea749
-
MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e