xworm | 234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be

General

Target

234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe
Size

76KB
MD5

ad6bad60fc5ad8e7f7353e7b787bfb4d
SHA1

48f7a8a0c7f06e384cea2fafec62b41e1e5cd567
SHA256

234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be
SHA512

e2a9aec9dae0649c3e84254c481a772a928da938d43970871770ca9e3d782b81584266fc7f192a82e20cbedab201a198c94173103883081ca356a4c3ed64283c
SSDEEP

1536:dNZaFIN/AGCqxzs+bi15FU6oK/1OU4tXGSKUkdS1EAd8IIp:dOFIN/LRFs+biRNOU4Jy9gEA6IIp

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

la-judgment.gl.at.ply.gg:62627

Attributes

Install_directory
%ProgramData%
install_file
update.exe

Signatures

Detect Xworm Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2892-1-0x0000000000C40000-0x0000000000C58000-memory.dmp	family_xworm
behavioral1/files/0x002f000000018b59-35.dat	family_xworm
behavioral1/memory/2300-37-0x00000000010F0000-0x0000000001108000-memory.dmp	family_xworm

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

execution

PowerShell

T1059.001

pid	Process
2000	powershell.exe
2800	powershell.exe
2868	powershell.exe
580	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.lnk	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.lnk	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe

Executes dropped EXE 3 IoCs

pid	Process
2300	update.exe
1096	update.exe
2932	update.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\update = "C:\\ProgramData\\update.exe"	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2168	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2800	powershell.exe
2868	powershell.exe
580	powershell.exe
2000	powershell.exe
2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	2868	powershell.exe
Token: SeDebugPrivilege	580	powershell.exe
Token: SeDebugPrivilege	2000	powershell.exe
Token: SeDebugPrivilege	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe
Token: SeDebugPrivilege	2300	update.exe
Token: SeDebugPrivilege	1096	update.exe
Token: SeDebugPrivilege	2932	update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2800	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	30
PID 2892 wrote to memory of 2800	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	30
PID 2892 wrote to memory of 2800	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	30
PID 2892 wrote to memory of 2868	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	32
PID 2892 wrote to memory of 2868	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	32
PID 2892 wrote to memory of 2868	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	32
PID 2892 wrote to memory of 580	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	34
PID 2892 wrote to memory of 580	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	34
PID 2892 wrote to memory of 580	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	34
PID 2892 wrote to memory of 2000	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	36
PID 2892 wrote to memory of 2000	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	36
PID 2892 wrote to memory of 2000	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	36
PID 2892 wrote to memory of 2168	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	38
PID 2892 wrote to memory of 2168	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	38
PID 2892 wrote to memory of 2168	2892	234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe	38
PID 2180 wrote to memory of 2300	2180	taskeng.exe	41
PID 2180 wrote to memory of 2300	2180	taskeng.exe	41
PID 2180 wrote to memory of 2300	2180	taskeng.exe	41
PID 2180 wrote to memory of 1096	2180	taskeng.exe	43
PID 2180 wrote to memory of 1096	2180	taskeng.exe	43
PID 2180 wrote to memory of 1096	2180	taskeng.exe	43
PID 2180 wrote to memory of 2932	2180	taskeng.exe	44
PID 2180 wrote to memory of 2932	2180	taskeng.exe	44
PID 2180 wrote to memory of 2932	2180	taskeng.exe	44

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\234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe
"C:\Users\Admin\AppData\Local\Temp\234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.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: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\Local\Temp\234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2868
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\update.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:580
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'update.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2000
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "update" /tr "C:\ProgramData\update.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2168

C:\Windows\system32\taskeng.exe
taskeng.exe {53C2CA30-63CC-4C14-97DB-2CE449D7B9FF} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2180
- C:\ProgramData\update.exe
  C:\ProgramData\update.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2300
- C:\ProgramData\update.exe
  C:\ProgramData\update.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1096
- C:\ProgramData\update.exe
  C:\ProgramData\update.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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:\ProgramData\update.exe

Filesize
76KB

MD5
ad6bad60fc5ad8e7f7353e7b787bfb4d

SHA1
48f7a8a0c7f06e384cea2fafec62b41e1e5cd567

SHA256
234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be

SHA512
e2a9aec9dae0649c3e84254c481a772a928da938d43970871770ca9e3d782b81584266fc7f192a82e20cbedab201a198c94173103883081ca356a4c3ed64283c

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

Filesize
7KB

MD5
59b750adf023bb815f2b76c32cc8b846

SHA1
fa4ee80367da62135d0b87ac0debb39a96dab99c

SHA256
2620c85814d6f3708eb5e683f1efa02428d1005a79119c291ac437da6701fa59

SHA512
809324f1c4854bc648991cf659dc3f71debc5da37b5e7f9499dd499914a7cc0bb3d344408f91407d869dabaee8fa3ddd041b94e956d2f85f55190a22b5bf6746

Download Submit
memory/2300-37-0x00000000010F0000-0x0000000001108000-memory.dmp

Filesize
96KB

Download
memory/2800-6-0x0000000002650000-0x00000000026D0000-memory.dmp

Filesize
512KB

Download
memory/2800-7-0x000000001B2D0000-0x000000001B5B2000-memory.dmp

Filesize
2.9MB

Download
memory/2800-8-0x0000000002360000-0x0000000002368000-memory.dmp

Filesize
32KB

Download
memory/2868-14-0x000000001B3C0000-0x000000001B6A2000-memory.dmp

Filesize
2.9MB

Download
memory/2868-15-0x0000000001E60000-0x0000000001E68000-memory.dmp

Filesize
32KB

Download
memory/2892-28-0x000007FEF56D3000-0x000007FEF56D4000-memory.dmp

Filesize
4KB

Download
memory/2892-32-0x0000000000750000-0x00000000007D0000-memory.dmp

Filesize
512KB

Download
memory/2892-33-0x0000000000750000-0x00000000007D0000-memory.dmp

Filesize
512KB

Download
memory/2892-0-0x000007FEF56D3000-0x000007FEF56D4000-memory.dmp

Filesize
4KB

Download
memory/2892-1-0x0000000000C40000-0x0000000000C58000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads