xworm | b21c789dbe0699a1ea6c1ccfac5d2dee5eb9f47ec2f219fc15e5f6e7df3027c3

General

Target

62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe
Size

34KB
MD5

9f2ca5e78023d1e89d1b72d5c5072a5e
SHA1

8d5cba96c8abb5159da6578fb31d82f299e91325
SHA256

b21c789dbe0699a1ea6c1ccfac5d2dee5eb9f47ec2f219fc15e5f6e7df3027c3
SHA512

9b4f77f48a388f4197a633f4f7102cb1c69166658fb29c45ad34101917963cc5f32b0cee22651de3f666762ce9ac91557010888151cbe772b5302ee3c03092f6
SSDEEP

768:AYBpz/QvWZqvoXu24OFrCxxF39XTp6LOjh/bUP:AYBpz/QvwtbFGrF39XV6LOjN4P

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:26848

on-modules.gl.at.ply.gg:26848

Mutex

wrmsNSNXixl9dMEG

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/804-1-0x0000000001030000-0x000000000103E000-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
2244	powershell.exe
2032	powershell.exe
2936	powershell.exe
2056	powershell.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\Host = "C:\\Users\\Admin\\AppData\\Roaming\\Host"	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2244	powershell.exe
2032	powershell.exe
2936	powershell.exe
2056	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe
Token: SeDebugPrivilege	2244	powershell.exe
Token: SeDebugPrivilege	2032	powershell.exe
Token: SeDebugPrivilege	2936	powershell.exe
Token: SeDebugPrivilege	2056	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 2244	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	30
PID 804 wrote to memory of 2244	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	30
PID 804 wrote to memory of 2244	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	30
PID 804 wrote to memory of 2032	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	32
PID 804 wrote to memory of 2032	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	32
PID 804 wrote to memory of 2032	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	32
PID 804 wrote to memory of 2936	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	34
PID 804 wrote to memory of 2936	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	34
PID 804 wrote to memory of 2936	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	34
PID 804 wrote to memory of 2056	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	36
PID 804 wrote to memory of 2056	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	36
PID 804 wrote to memory of 2056	804	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	36

C:\Users\Admin\AppData\Local\Temp\62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe
"C:\Users\Admin\AppData\Local\Temp\62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:804
- 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\62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2244
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2032
- 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\Host'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2936
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Host'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
7354f645e8cf37362f6cb4d225de42b5

SHA1
efba4089912622ac8604fe45aaee29683120e44e

SHA256
ab1fb9e4fe25b5dbd568ed47ce90a8e620bf598771342e1a4a917d951d375e25

SHA512
19ef2da2d0c7b5b3a1ce1ad67bc97023a60ff371f24fdc557e2d5c3deecb5231d7c1781cbeaf653597042c6962d34e6ef9227c2cca40e2a200d11b74ec579b67

Download Submit
memory/804-0-0x000007FEF6133000-0x000007FEF6134000-memory.dmp

Filesize
4KB

Download
memory/804-1-0x0000000001030000-0x000000000103E000-memory.dmp

Filesize
56KB

Download
memory/804-26-0x000007FEF6133000-0x000007FEF6134000-memory.dmp

Filesize
4KB

Download
memory/804-28-0x000000001B490000-0x000000001B510000-memory.dmp

Filesize
512KB

Download
memory/804-29-0x000000001B490000-0x000000001B510000-memory.dmp

Filesize
512KB

Download
memory/2032-14-0x000000001B330000-0x000000001B612000-memory.dmp

Filesize
2.9MB

Download
memory/2032-15-0x00000000022F0000-0x00000000022F8000-memory.dmp

Filesize
32KB

Download
memory/2244-6-0x00000000026A0000-0x0000000002720000-memory.dmp

Filesize
512KB

Download
memory/2244-7-0x000000001B190000-0x000000001B472000-memory.dmp

Filesize
2.9MB

Download
memory/2244-8-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads