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

Processes:

resource	yara_rule
behavioral1/memory/1728-1-0x00000000002A0000-0x00000000002B6000-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

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	Process
2664	powershell.exe
2752	powershell.exe
2756	powershell.exe
2788	powershell.exe

Drops startup file 2 IoCs

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

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

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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.

Processes:

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

Processes:

schtasks.exe

pid	Process
1716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exed0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

pid	Process
2752	powershell.exe
2756	powershell.exe
2788	powershell.exe
2664	powershell.exe
1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	2664	powershell.exe
Token: SeDebugPrivilege	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

pid	Process
1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

description	pid	Process	procid_target
PID 1728 wrote to memory of 2752	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	31
PID 1728 wrote to memory of 2752	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	31
PID 1728 wrote to memory of 2752	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	31
PID 1728 wrote to memory of 2756	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	33
PID 1728 wrote to memory of 2756	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	33
PID 1728 wrote to memory of 2756	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	33
PID 1728 wrote to memory of 2788	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	35
PID 1728 wrote to memory of 2788	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	35
PID 1728 wrote to memory of 2788	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	35
PID 1728 wrote to memory of 2664	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	37
PID 1728 wrote to memory of 2664	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	37
PID 1728 wrote to memory of 2664	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	37
PID 1728 wrote to memory of 1716	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	39
PID 1728 wrote to memory of 1716	1728	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	39
PID 1728 wrote to memory of 1716	1728	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:1728
- 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:2752
- 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:2756
- 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:2788
- 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:2664
- 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:1716

C:\Windows\system32\taskeng.exe
taskeng.exe {115D7F49-34BF-43DE-81EE-78C55CEE4F85} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
1⤵
PID:2992

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\YDSB5YWVXKCMMXN3TQ81.temp

Filesize
7KB

MD5
18a465ca09c5c63d662769454ec4aa1f

SHA1
f46391d23c0e0b13d3f783a96a72e54e764b6798

SHA256
f29a0181605e7d1cb66c554b2dbd3ca04466714a4fe0ef6df64288556ef9b7f5

SHA512
d227c494b5422547cc07076efce065ffb6e2e8c4046e5b9dbd604d4cd0a8c53e392bd844a4302623b2580bfbdc1daf3d9a2ee4dc1c6b62ef03283f84162a4acb

Download Submit
\??\PIPE\srvsvc

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/1728-0-0x000007FEF5E73000-0x000007FEF5E74000-memory.dmp

Filesize
4KB

Download
memory/1728-1-0x00000000002A0000-0x00000000002B6000-memory.dmp

Filesize
88KB

Download
memory/1728-2-0x000007FEF5E70000-0x000007FEF685C000-memory.dmp

Filesize
9.9MB

Download
memory/1728-28-0x000007FEF5E73000-0x000007FEF5E74000-memory.dmp

Filesize
4KB

Download
memory/1728-33-0x000007FEF5E70000-0x000007FEF685C000-memory.dmp

Filesize
9.9MB

Download
memory/2752-7-0x0000000002260000-0x00000000022E0000-memory.dmp

Filesize
512KB

Download
memory/2752-8-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

Filesize
2.9MB

Download
memory/2752-9-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/2756-15-0x000000001B560000-0x000000001B842000-memory.dmp

Filesize
2.9MB

Download
memory/2756-16-0x0000000002310000-0x0000000002318000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads