xworm | 681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3

General

Target

681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe
Size

69KB
MD5

62b58719c2044209e6fe8a5ad2cc8959
SHA1

eace166e2933ad6b0ad6a752ee56278ed4d0389a
SHA256

681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3
SHA512

c7b9602d3e09f0acd5ca10d8ecfa4d4cb71d681618a311605044f757ee31673c96225f9748bb7788bafb11dda4d0f279a6e2d644a895bbcaee8325c75b68a750
SSDEEP

1536:B78lu4XOPTZfIRT8ODJ+bIIAda9SAp/6SvOne+hCk:RTZgv+b/Q8DOe+Ek

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

22.ip.gl.ply.gg:9325

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2344-1-0x0000000000360000-0x0000000000378000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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
4540	powershell.exe
4660	powershell.exe
4348	powershell.exe
5064	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4540	powershell.exe
4540	powershell.exe
4660	powershell.exe
4660	powershell.exe
4660	powershell.exe
4348	powershell.exe
4348	powershell.exe
4348	powershell.exe
5064	powershell.exe
5064	powershell.exe
2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe
Token: SeDebugPrivilege	4540	powershell.exe
Token: SeDebugPrivilege	4660	powershell.exe
Token: SeDebugPrivilege	4348	powershell.exe
Token: SeDebugPrivilege	5064	powershell.exe
Token: SeDebugPrivilege	2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 4540	2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe	89
PID 2344 wrote to memory of 4540	2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe	89
PID 2344 wrote to memory of 4660	2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe	93
PID 2344 wrote to memory of 4660	2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe	93
PID 2344 wrote to memory of 4348	2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe	95
PID 2344 wrote to memory of 4348	2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe	95
PID 2344 wrote to memory of 5064	2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe	97
PID 2344 wrote to memory of 5064	2344	681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe	97

C:\Users\Admin\AppData\Local\Temp\681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe
"C:\Users\Admin\AppData\Local\Temp\681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe"
1⤵
- Checks computer location settings
- 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:2344
- 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\681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4540
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '681bd830b672ae40cb8bcf3d1f3d98be8f1fb5439c2aac0a70258efb6a72d3a3.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4660
- 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\svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4348
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5064

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
cae60f0ddddac635da71bba775a2c5b4

SHA1
386f1a036af61345a7d303d45f5230e2df817477

SHA256
b2dd636b7b0d3bfe44cef5e1175828b1fa7bd84d5563f54342944156ba996c16

SHA512
28ed8a8bc132ef56971cfd7b517b17cdb74a7f8c247ef6bff232996210075e06aa58a415825a1e038cfb547ad3dc6882bf1ca1b68c5b360ef0512a1440850253

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
eb1ad317bd25b55b2bbdce8a28a74a94

SHA1
98a3978be4d10d62e7411946474579ee5bdc5ea6

SHA256
9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

SHA512
d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_grnuqe2j.0px.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2344-1-0x0000000000360000-0x0000000000378000-memory.dmp

Filesize
96KB

Download
memory/2344-0-0x00007FF990C73000-0x00007FF990C75000-memory.dmp

Filesize
8KB

Download
memory/2344-58-0x00007FF990C70000-0x00007FF991731000-memory.dmp

Filesize
10.8MB

Download
memory/2344-57-0x00007FF990C73000-0x00007FF990C75000-memory.dmp

Filesize
8KB

Download
memory/2344-56-0x00007FF990C70000-0x00007FF991731000-memory.dmp

Filesize
10.8MB

Download
memory/4540-2-0x000002B9795B0000-0x000002B9795D2000-memory.dmp

Filesize
136KB

Download
memory/4540-17-0x00007FF990C70000-0x00007FF991731000-memory.dmp

Filesize
10.8MB

Download
memory/4540-14-0x00007FF990C70000-0x00007FF991731000-memory.dmp

Filesize
10.8MB

Download
memory/4540-13-0x00007FF990C70000-0x00007FF991731000-memory.dmp

Filesize
10.8MB

Download
memory/4540-12-0x00007FF990C70000-0x00007FF991731000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads