xworm | b7df6d57fa0d03e8b88e410b7e3f9e9b2a3f1ea1ed7da20772b5ac891901b973

General

Target

USD Payment Receipt 12112024.exe
Size

948KB
MD5

f42ead56b96d1ba327e85589ef129525
SHA1

57a14d971e918a2f0cdf9c7de2d58f7f0735fa27
SHA256

b7df6d57fa0d03e8b88e410b7e3f9e9b2a3f1ea1ed7da20772b5ac891901b973
SHA512

d3f39ac55320356472ea2f9c94633463c48da6f7691d6362eb35501ef9a6e764ad0e67c7177383e074750e4af426d2b20d8e3f751e6369984bf33ea6872af0f0
SSDEEP

12288:H76xn0ce0nsDy0Q00QEA86GiuzOg7IPD6TbsdWcS/0w1ey2EcP1E4gLO:b6xnLnBmn86uzOg7IrYbyWRjeZxgL

Score

10^/10

Malware Config

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2772-28-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2772-30-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2772-29-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2772-25-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2772-23-0x0000000000400000-0x000000000040E000-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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2108	powershell.exe
1664	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	USD Payment Receipt 12112024.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	USD Payment Receipt 12112024.exe

Loads dropped DLL 1 IoCs

pid	Process
2772	USD Payment Receipt 12112024.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2772	2904	USD Payment Receipt 12112024.exe	34

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	USD Payment Receipt 12112024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	USD Payment Receipt 12112024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2176	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2108	powershell.exe
1664	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	USD Payment Receipt 12112024.exe
Token: SeDebugPrivilege	2108	powershell.exe
Token: SeDebugPrivilege	1664	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 1664	2904	USD Payment Receipt 12112024.exe	28
PID 2904 wrote to memory of 1664	2904	USD Payment Receipt 12112024.exe	28
PID 2904 wrote to memory of 1664	2904	USD Payment Receipt 12112024.exe	28
PID 2904 wrote to memory of 1664	2904	USD Payment Receipt 12112024.exe	28
PID 2904 wrote to memory of 2108	2904	USD Payment Receipt 12112024.exe	30
PID 2904 wrote to memory of 2108	2904	USD Payment Receipt 12112024.exe	30
PID 2904 wrote to memory of 2108	2904	USD Payment Receipt 12112024.exe	30
PID 2904 wrote to memory of 2108	2904	USD Payment Receipt 12112024.exe	30
PID 2904 wrote to memory of 2176	2904	USD Payment Receipt 12112024.exe	31
PID 2904 wrote to memory of 2176	2904	USD Payment Receipt 12112024.exe	31
PID 2904 wrote to memory of 2176	2904	USD Payment Receipt 12112024.exe	31
PID 2904 wrote to memory of 2176	2904	USD Payment Receipt 12112024.exe	31
PID 2904 wrote to memory of 2772	2904	USD Payment Receipt 12112024.exe	34
PID 2904 wrote to memory of 2772	2904	USD Payment Receipt 12112024.exe	34
PID 2904 wrote to memory of 2772	2904	USD Payment Receipt 12112024.exe	34
PID 2904 wrote to memory of 2772	2904	USD Payment Receipt 12112024.exe	34
PID 2904 wrote to memory of 2772	2904	USD Payment Receipt 12112024.exe	34
PID 2904 wrote to memory of 2772	2904	USD Payment Receipt 12112024.exe	34
PID 2904 wrote to memory of 2772	2904	USD Payment Receipt 12112024.exe	34
PID 2904 wrote to memory of 2772	2904	USD Payment Receipt 12112024.exe	34
PID 2904 wrote to memory of 2772	2904	USD Payment Receipt 12112024.exe	34

C:\Users\Admin\AppData\Local\Temp\USD Payment Receipt 12112024.exe
"C:\Users\Admin\AppData\Local\Temp\USD Payment Receipt 12112024.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\USD Payment Receipt 12112024.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1664
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VVfccOQ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2108
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VVfccOQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6C8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2176
- C:\Users\Admin\AppData\Local\Temp\USD Payment Receipt 12112024.exe
  "C:\Users\Admin\AppData\Local\Temp\USD Payment Receipt 12112024.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC6C8.tmp

Filesize
1KB

MD5
a9e670b70c81b0e5dc8f1b2cfc15ac43

SHA1
4fbf14a9a784cb41a3394bbd367c6a0017a9357a

SHA256
81c882aedd7a2351bdd3fb773e70d26bd53142b36e4699f85ac41c09c757d538

SHA512
93ff97fc962660b334ee5bd2f493f42373e525e180181e5259fe1503e4187ade57ab845645de017a93056be355d731028ae907c56b2796a01c40b78a2622e47f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
30b2b0e40906e5fbcbc19aee8ea90be8

SHA1
8260147abcb39ee8d8e6bb850679d95e01f71b62

SHA256
d3dcca3a284b3441977c58ff2fccc0b60c07cf7a605b50722dcf2eaaca08864e

SHA512
d0fd81c834104c92bfc95bd0fe24bd36f843029becc7a81330aa903ef56290b9462f18bb5e34a9768f6703201c5f94702f2a498616b5b8f648f8ffd70b827df4

Download Submit
C:\Users\Admin\AppData\Roaming\XClient.exe

Filesize
948KB

MD5
f42ead56b96d1ba327e85589ef129525

SHA1
57a14d971e918a2f0cdf9c7de2d58f7f0735fa27

SHA256
b7df6d57fa0d03e8b88e410b7e3f9e9b2a3f1ea1ed7da20772b5ac891901b973

SHA512
d3f39ac55320356472ea2f9c94633463c48da6f7691d6362eb35501ef9a6e764ad0e67c7177383e074750e4af426d2b20d8e3f751e6369984bf33ea6872af0f0

Download Submit
memory/2772-29-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2772-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-21-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2772-23-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2772-25-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2772-30-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2772-20-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2772-28-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2904-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2904-4-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2904-3-0x00000000003A0000-0x00000000003B2000-memory.dmp

Filesize
72KB

Download
memory/2904-6-0x0000000005200000-0x0000000005254000-memory.dmp

Filesize
336KB

Download
memory/2904-5-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-31-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-1-0x0000000001350000-0x0000000001442000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads