Analysis
-
max time kernel
147s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
31-05-2024 12:41
Behavioral task
behavioral1
Sample
.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
.exe
Resource
win10v2004-20240508-en
General
-
Target
.exe
-
Size
99KB
-
MD5
db27649bfb89f40ec3ff301541c598f5
-
SHA1
a16885dd0b352e970c45bad6a691e155f9ccc8f1
-
SHA256
45814083c150dd3d946718f8728a1cdad2f9e68318e575c479263431ccf04abb
-
SHA512
3b35ea6511b4e047bd77a9fa525e489542379f5ddf61f49986cc92bfb8411a7d6673a3febf2d540e3dd03c7a73f17673c0c6e5d0d41f81970c18ff9ef3fe32fb
-
SSDEEP
1536:loZp0RHDlFZDCFb/AZ+bF5n5GGKx6wwOfRJ9PpP/UA/uoDjSBSc7UtYVL:Q4pFZyLAZ+bF55GSOn9Pdb1W0cgteL
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 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1968-1-0x0000000000B30000-0x0000000000B50000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\Delta.exe family_xworm behavioral1/memory/1916-38-0x00000000003C0000-0x00000000003E0000-memory.dmp family_xworm behavioral1/memory/2708-41-0x0000000000F50000-0x0000000000F70000-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 2228 powershell.exe 2892 powershell.exe 2568 powershell.exe 2608 powershell.exe -
Drops startup file 2 IoCs
Processes:
.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Delta.lnk .exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Delta.lnk .exe -
Executes dropped EXE 2 IoCs
Processes:
Delta.exeDelta.exepid process 1916 Delta.exe 2708 Delta.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Delta = "C:\\Users\\Admin\\AppData\\Roaming\\Delta.exe" .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.exe.exepid process 2228 powershell.exe 2892 powershell.exe 2568 powershell.exe 2608 powershell.exe 1968 .exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
.exepowershell.exepowershell.exepowershell.exepowershell.exeDelta.exeDelta.exedescription pid process Token: SeDebugPrivilege 1968 .exe Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 2892 powershell.exe Token: SeDebugPrivilege 2568 powershell.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 1968 .exe Token: SeDebugPrivilege 1916 Delta.exe Token: SeDebugPrivilege 2708 Delta.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
.exepid process 1968 .exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
.exetaskeng.exedescription pid process target process PID 1968 wrote to memory of 2228 1968 .exe powershell.exe PID 1968 wrote to memory of 2228 1968 .exe powershell.exe PID 1968 wrote to memory of 2228 1968 .exe powershell.exe PID 1968 wrote to memory of 2892 1968 .exe powershell.exe PID 1968 wrote to memory of 2892 1968 .exe powershell.exe PID 1968 wrote to memory of 2892 1968 .exe powershell.exe PID 1968 wrote to memory of 2568 1968 .exe powershell.exe PID 1968 wrote to memory of 2568 1968 .exe powershell.exe PID 1968 wrote to memory of 2568 1968 .exe powershell.exe PID 1968 wrote to memory of 2608 1968 .exe powershell.exe PID 1968 wrote to memory of 2608 1968 .exe powershell.exe PID 1968 wrote to memory of 2608 1968 .exe powershell.exe PID 1968 wrote to memory of 2612 1968 .exe schtasks.exe PID 1968 wrote to memory of 2612 1968 .exe schtasks.exe PID 1968 wrote to memory of 2612 1968 .exe schtasks.exe PID 1436 wrote to memory of 1916 1436 taskeng.exe Delta.exe PID 1436 wrote to memory of 1916 1436 taskeng.exe Delta.exe PID 1436 wrote to memory of 1916 1436 taskeng.exe Delta.exe PID 1436 wrote to memory of 2708 1436 taskeng.exe Delta.exe PID 1436 wrote to memory of 2708 1436 taskeng.exe Delta.exe PID 1436 wrote to memory of 2708 1436 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\.exe"C:\Users\Admin\AppData\Local\Temp\.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:1968 -
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\.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2892
-
-
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:2568
-
-
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:2608
-
-
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:2612
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {2460D4E5-53D2-44D6-A0D3-D8BD9EC7CD91} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1436 -
C:\Users\Admin\AppData\Roaming\Delta.exeC:\Users\Admin\AppData\Roaming\Delta.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1916
-
-
C:\Users\Admin\AppData\Roaming\Delta.exeC:\Users\Admin\AppData\Roaming\Delta.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2708
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
99KB
MD5db27649bfb89f40ec3ff301541c598f5
SHA1a16885dd0b352e970c45bad6a691e155f9ccc8f1
SHA25645814083c150dd3d946718f8728a1cdad2f9e68318e575c479263431ccf04abb
SHA5123b35ea6511b4e047bd77a9fa525e489542379f5ddf61f49986cc92bfb8411a7d6673a3febf2d540e3dd03c7a73f17673c0c6e5d0d41f81970c18ff9ef3fe32fb
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD5457124345e626875ed9706d8ab31088f
SHA1b5f551b7844ecd43a5c04a736a1b1b81afbc36f9
SHA2565ecb9f08c6c345195b6ba6b1905eb1cb6c46e8cc4877dd2381e138bc510f0d63
SHA512c9b50b5a23c19e262b8b1e650e072b4ec223e4dd5fe16b5e8dbcc543e939f4a9603b0ed882922147841fb2362aa7b2ac6db740f1fe43ebdf894c73c387b3b52b
-
MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e