xworm | 93da032d29fd2e81d4ee91543ae4a1ca3d68ee7092605c52f9ee8c53b48532f3

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
07/06/2024, 08:11

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General

Target
2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe
Size 2.9MB
Sample240607-j3cqjsec35
SHA256 93da032d29fd2e81d4ee91543ae4a1ca3d68ee7092605c52f9ee8c53b48532f3
MD5 a4cb541e7daafbf0c3d50c0664d744f3
SHA1 5b7ffdaa3652c0121b506f55f673210a61b623c9
SHA512 8ace6867f16064244d807a31e8c6b3e29706eb58f635544b38b07294b9f7d81b21700469c62fa0286597b36e48c470fd9c18d4f5b0efac78d446fca1df907fd8
SSDEEP 49152:F8yJAk206NICMq5pzKRgqVzK6TgFYqx3mOFQ5:KBsCH65
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

185.82.219.156:3044

Mutex

RMT1g9ZZOfU7Z9Qc

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4912-16-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

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

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
behavioral2/memory/4912-16-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4276	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1056 set thread context of 4912	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4276	powershell.exe
4276	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4276	powershell.exe
Token: SeDebugPrivilege	4912	regsvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 4276	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	90
PID 1056 wrote to memory of 4276	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	90
PID 1056 wrote to memory of 5096	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	92
PID 1056 wrote to memory of 5096	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	92
PID 1056 wrote to memory of 5096	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	92
PID 1056 wrote to memory of 5096	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	92
PID 1056 wrote to memory of 4912	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	93
PID 1056 wrote to memory of 4912	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	93
PID 1056 wrote to memory of 4912	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	93
PID 1056 wrote to memory of 4912	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	93
PID 1056 wrote to memory of 4912	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	93
PID 1056 wrote to memory of 4912	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	93
PID 1056 wrote to memory of 4912	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	93
PID 1056 wrote to memory of 4912	1056	2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe	93

C:\Users\Admin\AppData\Local\Temp\2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-07_a4cb541e7daafbf0c3d50c0664d744f3_megazord.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4276
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:5096
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_0ymuierq.kc1.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ymuierq.kc1.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

memory/4276-0-0x00007FF95DB23000-0x00007FF95DB25000-memory.dmp

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memory/4276-10-0x000001E8C3120000-0x000001E8C3142000-memory.dmp

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memory/4276-11-0x00007FF95DB20000-0x00007FF95E5E1000-memory.dmp

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memory/4276-12-0x00007FF95DB20000-0x00007FF95E5E1000-memory.dmp

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memory/4276-15-0x00007FF95DB20000-0x00007FF95E5E1000-memory.dmp

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memory/4912-16-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4912-17-0x00000000744CE000-0x00000000744CF000-memory.dmp

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memory/4912-18-0x00000000054A0000-0x000000000553C000-memory.dmp

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memory/4912-19-0x00000000744C0000-0x0000000074C70000-memory.dmp

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memory/4912-20-0x00000000744CE000-0x00000000744CF000-memory.dmp

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