xworm | d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3

General

Target

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
Size

64KB
MD5

2f994e4870a23f49fb779d1bda780941
SHA1

99b8dfffb69ec2b7193320a7f8a08b7da64be7bf
SHA256

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3
SHA512

9138e89454f9f56a0540a33bccc8e62710a447033e6ea53732d625b2b7635a973c7308f86dda5ff60c1a80c00dc36428ca0b9d9fb590f837648a9dd9b5ea7e86
SSDEEP

1536:+EVRBKXfmrbLO+BBUsbJU5fRqw6LCLOO4wH/:RVRwunLbHbJUNYoOOrH/

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

disclaimer-hose.gl.at.ply.gg:11906

Attributes

Install_directory
%Userprofile%
install_file
Microsoft Edge.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2636-1-0x0000000000870000-0x0000000000886000-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
2112	powershell.exe
2772	powershell.exe
2652	powershell.exe
2932	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Edge.lnk	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Edge.lnk	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Edge = "C:\\Users\\Admin\\Microsoft Edge.exe"	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.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.

flow	ioc
4	ip-api.com

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
332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2772	powershell.exe
2652	powershell.exe
2932	powershell.exe
2112	powershell.exe
2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
Token: SeDebugPrivilege	2772	powershell.exe
Token: SeDebugPrivilege	2652	powershell.exe
Token: SeDebugPrivilege	2932	powershell.exe
Token: SeDebugPrivilege	2112	powershell.exe
Token: SeDebugPrivilege	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2772	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	31
PID 2636 wrote to memory of 2772	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	31
PID 2636 wrote to memory of 2772	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	31
PID 2636 wrote to memory of 2652	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	33
PID 2636 wrote to memory of 2652	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	33
PID 2636 wrote to memory of 2652	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	33
PID 2636 wrote to memory of 2932	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	35
PID 2636 wrote to memory of 2932	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	35
PID 2636 wrote to memory of 2932	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	35
PID 2636 wrote to memory of 2112	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	37
PID 2636 wrote to memory of 2112	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	37
PID 2636 wrote to memory of 2112	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	37
PID 2636 wrote to memory of 332	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	39
PID 2636 wrote to memory of 332	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	39
PID 2636 wrote to memory of 332	2636	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	39

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\d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
"C:\Users\Admin\AppData\Local\Temp\d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.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:2636
- 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\d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.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 'd0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2652
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\Microsoft Edge.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2932
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Microsoft Edge.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2112
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Microsoft Edge" /tr "C:\Users\Admin\Microsoft Edge.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:332

C:\Windows\system32\taskeng.exe
taskeng.exe {2D2587D4-0893-40AF-8664-13BCE11554C6} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
1⤵
PID:2316

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:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\U9KRGRMZNC5ZB0AGA5L1.temp

Filesize
7KB

MD5
75802ab5af592ace25bec2f0afe6e183

SHA1
4ef09560bf67edb2caedfcf4e31a6fbe40e177fc

SHA256
07684ab4792d1a6e2dfb8f30fbceeb003fe160c644ee2201bf4a2e3f10fa7589

SHA512
7fce350d1c8c41cec18c6efad701af1d7ee9c528b956269f30875bc40b84dec360d825d9bd047b3547c34ded260c1ac55223c7b6cf1d658661957f5e08bd0639

Download Submit
memory/2636-0-0x000007FEF54C3000-0x000007FEF54C4000-memory.dmp

Filesize
4KB

Download
memory/2636-1-0x0000000000870000-0x0000000000886000-memory.dmp

Filesize
88KB

Download
memory/2636-2-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp

Filesize
9.9MB

Download
memory/2636-27-0x000007FEF54C3000-0x000007FEF54C4000-memory.dmp

Filesize
4KB

Download
memory/2636-32-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp

Filesize
9.9MB

Download
memory/2652-16-0x0000000001D90000-0x0000000001D98000-memory.dmp

Filesize
32KB

Download
memory/2652-15-0x000000001B660000-0x000000001B942000-memory.dmp

Filesize
2.9MB

Download
memory/2772-7-0x0000000002920000-0x00000000029A0000-memory.dmp

Filesize
512KB

Download
memory/2772-8-0x000000001B700000-0x000000001B9E2000-memory.dmp

Filesize
2.9MB

Download
memory/2772-9-0x0000000002790000-0x0000000002798000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads