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/2792-1-0x0000000000ED0000-0x0000000000EDE000-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
2876	powershell.exe
2536	powershell.exe
2144	powershell.exe
2720	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
2144	powershell.exe
2720	powershell.exe
2876	powershell.exe
2536	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe
Token: SeDebugPrivilege	2144	powershell.exe
Token: SeDebugPrivilege	2720	powershell.exe
Token: SeDebugPrivilege	2876	powershell.exe
Token: SeDebugPrivilege	2536	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2144	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	29
PID 2792 wrote to memory of 2144	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	29
PID 2792 wrote to memory of 2144	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	29
PID 2792 wrote to memory of 2720	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	31
PID 2792 wrote to memory of 2720	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	31
PID 2792 wrote to memory of 2720	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	31
PID 2792 wrote to memory of 2876	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	33
PID 2792 wrote to memory of 2876	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	33
PID 2792 wrote to memory of 2876	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	33
PID 2792 wrote to memory of 2536	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	35
PID 2792 wrote to memory of 2536	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	35
PID 2792 wrote to memory of 2536	2792	62ba4ec06510e37fb216b054b958f8d205e78e81963856e86aa05815d8bb46c9N.exe	35

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:2792
- 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:2144
- 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:2720
- 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:2876
- 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:2536

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
cbd8ca7f73a5e37c84306b835ea64bb4

SHA1
8adf656ce390186c82666afc3b87bef12803a250

SHA256
a209ad0d3d7ebbf0c6a732fc744986a6a9d6f5090b902957a8a0617a01bb59c4

SHA512
f7123a528bf6105562d85e44e3c918630761b632838944950f78c38006630fdcb797272dea6dedfcbf25df2f98da0582cff2b45fa8d9da9754521eb2cf398166

Download Submit
memory/2144-6-0x0000000002510000-0x0000000002590000-memory.dmp

Filesize
512KB

Download
memory/2144-7-0x000000001B300000-0x000000001B5E2000-memory.dmp

Filesize
2.9MB

Download
memory/2144-8-0x00000000021F0000-0x00000000021F8000-memory.dmp

Filesize
32KB

Download
memory/2720-14-0x000000001B340000-0x000000001B622000-memory.dmp

Filesize
2.9MB

Download
memory/2720-15-0x00000000022A0000-0x00000000022A8000-memory.dmp

Filesize
32KB

Download
memory/2792-0-0x000007FEF5E03000-0x000007FEF5E04000-memory.dmp

Filesize
4KB

Download
memory/2792-1-0x0000000000ED0000-0x0000000000EDE000-memory.dmp

Filesize
56KB

Download
memory/2792-22-0x000007FEF5E03000-0x000007FEF5E04000-memory.dmp

Filesize
4KB

Download
memory/2792-29-0x000000001B370000-0x000000001B3F0000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads