Malware Analysis Report

2024-09-11 14:48

Sample ID 240610-t15nnatbjg
Target baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834
SHA256 baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834

Threat Level: Known bad

The file baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834 was found to be: Known bad.

Malicious Activity Summary

xworm execution rat trojan

Detects executables using Telegram Chat Bot

Xworm

Detects Windows executables referencing non-Windows User-Agents

Detect Xworm Payload

Xworm family

Detects Windows executables referencing non-Windows User-Agents

Detects executables using Telegram Chat Bot

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Command and Scripting Interpreter
T1059
PowerShell
T1059.001
Persistence
TA0003
Privilege Escalation
TA0004
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
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-10 16:32

Signatures

Detect Xworm Payload

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

Detects Windows executables referencing non-Windows User-Agents

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

Detects executables using Telegram Chat Bot

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

2024-06-10 16:32

Reported

2024-06-10 16:34

Platform

win7-20240419-en

Max time kernel

149s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Detects Windows executables referencing non-Windows User-Agents

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

Detects executables using Telegram Chat Bot

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

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

Enumerates physical storage devices

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.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 2460 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2460 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2460 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2460 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2460 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2460 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe

"C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.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\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe'

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.telegram.org udp
US 8.8.8.8:53 among-highs.gl.at.ply.gg udp

Files

memory/2460-0-0x000007FEF53C3000-0x000007FEF53C4000-memory.dmp

memory/2460-1-0x0000000000B20000-0x0000000000B30000-memory.dmp

memory/2424-6-0x0000000002C60000-0x0000000002CE0000-memory.dmp

memory/2424-7-0x000000001B6A0000-0x000000001B982000-memory.dmp

memory/2424-8-0x00000000028D0000-0x00000000028D8000-memory.dmp

memory/2760-15-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

memory/2760-14-0x000000001B610000-0x000000001B8F2000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Q5I8X19VVO2IDEY1PU49.temp

MD5 9aec1c7bf9e45a3e5bf5213c84dec56e
SHA1 385888403c4590526eb70259321cb01fd2f6f3fe
SHA256 8bf598131a39f3f88bb9782147087c7f7b044ec8a52ea0f53dc7b4ab312e49f7
SHA512 a373db3f4bd906411a19af67e4c5ee4ca3c2cecba91f6be27cb1462bf3b8c6154c33bee7531210370c51903f767a1a363cadf32e0ab5fa27fd6f5de8d419b4e3

memory/2460-16-0x0000000000A60000-0x0000000000AE0000-memory.dmp

memory/2460-17-0x000007FEF53C3000-0x000007FEF53C4000-memory.dmp

memory/2460-18-0x0000000000A60000-0x0000000000AE0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 16:32

Reported

2024-06-10 16:34

Platform

win10v2004-20240426-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Detects Windows executables referencing non-Windows User-Agents

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

Detects executables using Telegram Chat Bot

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

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe N/A

Enumerates physical storage devices

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.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 3288 wrote to memory of 3960 N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3288 wrote to memory of 3960 N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3288 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3288 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe

"C:\Users\Admin\AppData\Local\Temp\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.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\baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'baf6b6dddb6c8c9c811feff2072a56eb140f3a9ee2e52ba19642818d22fd9834.exe'

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 among-highs.gl.at.ply.gg udp
US 147.185.221.20:5428 among-highs.gl.at.ply.gg tcp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
DE 80.133.86.24:5428 tcp
DE 80.133.86.24:5428 tcp

Files

memory/3288-0-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

memory/3288-1-0x00007FF8B9523000-0x00007FF8B9525000-memory.dmp

memory/3960-2-0x0000018DF4F50000-0x0000018DF4F72000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zxwtqd5r.4it.psm1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3960-12-0x00007FF8B9520000-0x00007FF8B9FE1000-memory.dmp

memory/3960-13-0x00007FF8B9520000-0x00007FF8B9FE1000-memory.dmp

memory/3960-14-0x00007FF8B9520000-0x00007FF8B9FE1000-memory.dmp

memory/3960-17-0x00007FF8B9520000-0x00007FF8B9FE1000-memory.dmp

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

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

memory/3288-30-0x00007FF8B9520000-0x00007FF8B9FE1000-memory.dmp

memory/3288-31-0x00007FF8B9523000-0x00007FF8B9525000-memory.dmp

memory/3288-32-0x00007FF8B9520000-0x00007FF8B9FE1000-memory.dmp