Malware Analysis Report

2024-09-11 13:49

Sample ID 240615-e1lhfssfpl
Target MINEROP.exe
SHA256 08251e75cc3e73f99bc92678642bb57825077e77981c0801e1d718d48b3873e0
Tags
xworm execution rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

08251e75cc3e73f99bc92678642bb57825077e77981c0801e1d718d48b3873e0

Threat Level: Known bad

The file MINEROP.exe was found to be: Known bad.

Malicious Activity Summary

xworm execution rat trojan

Xworm family

Detect Xworm Payload

Xworm

Command and Scripting Interpreter: PowerShell

Looks up external IP address via web service

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Command and Scripting Interpreter
T1059
PowerShell
T1059.001
Scheduled Task/Job
T1053
Persistence
TA0003
Scheduled Task/Job
T1053
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-15 04:24

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm family

xworm

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 04:24

Reported

2024-06-15 04:25

Platform

win11-20240419-en

Max time kernel

59s

Max time network

59s

Command Line

"C:\Users\Admin\AppData\Local\Temp\MINEROP.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm

trojan rat xworm

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3804 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 224 N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 224 N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 1864 N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe C:\Windows\System32\schtasks.exe
PID 3804 wrote to memory of 1864 N/A C:\Users\Admin\AppData\Local\Temp\MINEROP.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\MINEROP.exe

"C:\Users\Admin\AppData\Local\Temp\MINEROP.exe"

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\MINEROP.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MINEROP.exe'

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\rundll64.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'rundll64.exe'

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "rundll64" /tr "C:\Users\Admin\AppData\Local\rundll64.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 8.8.8.8:53 pastebin.com udp
US 8.8.8.8:53 pastebin.com udp

Files

memory/3804-0-0x00007FF835F73000-0x00007FF835F75000-memory.dmp

memory/3804-1-0x00000000000A0000-0x00000000000B2000-memory.dmp

memory/3804-2-0x00007FF835F70000-0x00007FF836A32000-memory.dmp

memory/4928-3-0x00007FF835F70000-0x00007FF836A32000-memory.dmp

memory/4928-4-0x00007FF835F70000-0x00007FF836A32000-memory.dmp

memory/4928-5-0x00007FF835F70000-0x00007FF836A32000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jddn4zvl.2wb.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4928-11-0x000001FA9F780000-0x000001FA9F7A2000-memory.dmp

memory/4928-15-0x00007FF835F70000-0x00007FF836A32000-memory.dmp

memory/3804-16-0x00007FF835F73000-0x00007FF835F75000-memory.dmp

memory/4928-17-0x00007FF835F70000-0x00007FF836A32000-memory.dmp

memory/4928-20-0x00007FF835F70000-0x00007FF836A32000-memory.dmp

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

MD5 627073ee3ca9676911bee35548eff2b8
SHA1 4c4b68c65e2cab9864b51167d710aa29ebdcff2e
SHA256 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
SHA512 3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

MD5 2e8eb51096d6f6781456fef7df731d97
SHA1 ec2aaf851a618fb43c3d040a13a71997c25bda43
SHA256 96bfd9dd5883329927fe8c08b8956355a1a6ceb30ceeb5d4252b346df32bc864
SHA512 0a73dc9a49f92d9dd556c2ca2e36761890b3538f355ee1f013e7cf648d8c4d065f28046cd4a167db3dea304d1fbcbcea68d11ce6e12a3f20f8b6c018a60422d2

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

MD5 050567a067ffea4eb40fe2eefebdc1ee
SHA1 6e1fb2c7a7976e0724c532449e97722787a00fec
SHA256 3952d5b543e5cb0cb84014f4ad9f5f1b7166f592d28640cbc3d914d0e6f41d2e
SHA512 341ad71ef7e850b10e229666312e4bca87a0ed9fe25ba4b0ab65661d5a0efa855db0592153106da07134d8fc2c6c0e44709bf38183c9a574a1fa543189971259

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

MD5 e07eea85a8893f23fb814cf4b3ed974c
SHA1 8a8125b2890bbddbfc3531d0ee4393dbbf5936fe
SHA256 83387ce468d717a7b4ba238af2273da873b731a13cc35604f775a31fa0ac70ea
SHA512 9d4808d8a261005391388b85da79e4c5396bdded6e7e5ce3a3a23e7359d1aa1fb983b4324f97e0afec6e8ed9d898322ca258dd7cda654456dd7e84c9cbd509df

memory/3804-53-0x00007FF835F70000-0x00007FF836A32000-memory.dmp