xworm | 0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8

General

Target

0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe
Size

68KB
MD5

fed56e9eed4cdf42e81e1802cfec7e58
SHA1

921c7b8400c3af3a103e2db0f2f416eb9a0ebc8a
SHA256

0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8
SHA512

294f2810a981dcf24d2d02dcb80533f4ac0f3bc2db73c6170415ab8ef7e6346681e423026c66cce0ed648bf40da263e1d6b41fcb556c29b881f77870e06b2eb7
SSDEEP

1536:NmYtC6gXBD8YdULOhNGX0+bvYIJA2628OVASvUn:NA6CBD8u2CGE+bv0u8OVJw

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

19.ip.gl.ply.gg:65468

speed-wheat.gl.at.ply.gg:65468

XWorm V5.2:123

Attributes

Install_directory
%AppData%
install_file
Delta.exe

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2264-1-0x0000000001340000-0x0000000001358000-memory.dmp	family_xworm
behavioral1/files/0x000e0000000122e4-34.dat	family_xworm
behavioral1/memory/2356-36-0x0000000000C70000-0x0000000000C88000-memory.dmp	family_xworm
behavioral1/memory/1788-39-0x0000000000100000-0x0000000000118000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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.

execution

PowerShell

T1059.001

pid	Process
1936	powershell.exe
2632	powershell.exe
2772	powershell.exe
1080	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Delta.lnk	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Delta.lnk	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe

Executes dropped EXE 2 IoCs

pid	Process
2356	Delta.exe
1788	Delta.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\Delta = "C:\\Users\\Admin\\AppData\\Roaming\\Delta.exe"	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1936	powershell.exe
2632	powershell.exe
2772	powershell.exe
1080	powershell.exe
2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe
Token: SeDebugPrivilege	1936	powershell.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	2772	powershell.exe
Token: SeDebugPrivilege	1080	powershell.exe
Token: SeDebugPrivilege	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe
Token: SeDebugPrivilege	2356	Delta.exe
Token: SeDebugPrivilege	1788	Delta.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 1936	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	28
PID 2264 wrote to memory of 1936	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	28
PID 2264 wrote to memory of 1936	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	28
PID 2264 wrote to memory of 2632	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	30
PID 2264 wrote to memory of 2632	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	30
PID 2264 wrote to memory of 2632	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	30
PID 2264 wrote to memory of 2772	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	32
PID 2264 wrote to memory of 2772	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	32
PID 2264 wrote to memory of 2772	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	32
PID 2264 wrote to memory of 1080	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	34
PID 2264 wrote to memory of 1080	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	34
PID 2264 wrote to memory of 1080	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	34
PID 2264 wrote to memory of 1660	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	36
PID 2264 wrote to memory of 1660	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	36
PID 2264 wrote to memory of 1660	2264	0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe	36
PID 3040 wrote to memory of 2356	3040	taskeng.exe	42
PID 3040 wrote to memory of 2356	3040	taskeng.exe	42
PID 3040 wrote to memory of 2356	3040	taskeng.exe	42
PID 3040 wrote to memory of 1788	3040	taskeng.exe	43
PID 3040 wrote to memory of 1788	3040	taskeng.exe	43
PID 3040 wrote to memory of 1788	3040	taskeng.exe	43

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe
"C:\Users\Admin\AppData\Local\Temp\0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.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:2264
- 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\0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.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 '0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2632
- 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:2772
- 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:1080
- 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:1660

C:\Windows\system32\taskeng.exe
taskeng.exe {99155BE8-E483-431F-B82D-3A0F462F1EC4} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Roaming\Delta.exe
  C:\Users\Admin\AppData\Roaming\Delta.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2356
- C:\Users\Admin\AppData\Roaming\Delta.exe
  C:\Users\Admin\AppData\Roaming\Delta.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Delta.exe

Filesize
68KB

MD5
fed56e9eed4cdf42e81e1802cfec7e58

SHA1
921c7b8400c3af3a103e2db0f2f416eb9a0ebc8a

SHA256
0b92df849995e13cc3453754325a9287d742d4672303412a3318e885482dd5b8

SHA512
294f2810a981dcf24d2d02dcb80533f4ac0f3bc2db73c6170415ab8ef7e6346681e423026c66cce0ed648bf40da263e1d6b41fcb556c29b881f77870e06b2eb7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
dba52d4819881ba48fb9437f7cb7607f

SHA1
66345a96ceaadfd948f6b92fb6faa8acf1865bd3

SHA256
a1564cee39f4c78974be2b7c9720fc63875170cf72fc8531dabea869095820f1

SHA512
830e084d23b6404d696ee0b54bb2e6cacc1327dada5d759b5b6c991b2e78aff1fd00dbb33f096a19e11003084d2ef65798b62bb76f8667b93b1bed65f3dd4ef9

Download Submit
memory/1788-39-0x0000000000100000-0x0000000000118000-memory.dmp

Filesize
96KB

Download
memory/1936-6-0x0000000002730000-0x00000000027B0000-memory.dmp

Filesize
512KB

Download
memory/1936-7-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

Filesize
2.9MB

Download
memory/1936-8-0x00000000028E0000-0x00000000028E8000-memory.dmp

Filesize
32KB

Download
memory/2264-31-0x000007FEF53C3000-0x000007FEF53C4000-memory.dmp

Filesize
4KB

Download
memory/2264-30-0x000000001B330000-0x000000001B3B0000-memory.dmp

Filesize
512KB

Download
memory/2264-0-0x000007FEF53C3000-0x000007FEF53C4000-memory.dmp

Filesize
4KB

Download
memory/2264-32-0x000000001B330000-0x000000001B3B0000-memory.dmp

Filesize
512KB

Download
memory/2264-1-0x0000000001340000-0x0000000001358000-memory.dmp

Filesize
96KB

Download
memory/2356-36-0x0000000000C70000-0x0000000000C88000-memory.dmp

Filesize
96KB

Download
memory/2632-14-0x000000001B6E0000-0x000000001B9C2000-memory.dmp

Filesize
2.9MB

Download
memory/2632-15-0x0000000001D20000-0x0000000001D28000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads