xworm | a8cfdcf2308be48989bc7993ceb61e0ecb7930f8a154b2e5d2c78f2f5a5c3802

General

Target

6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe
Size

40KB
MD5

6663d561874fb21e3bd67c9e68f09ac0
SHA1

9f8ad93ba4e60844250d624e25a8d421281c6d94
SHA256

a8cfdcf2308be48989bc7993ceb61e0ecb7930f8a154b2e5d2c78f2f5a5c3802
SHA512

8ff50e5aa96e6600663b8e0935548c8cd1477b0c483c2f7ba0f8808ad6a21c48eb7655c87daeda6695d4ea4cc0db26161e1367eb712f67fb199c26bc5fcc3c6f
SSDEEP

768:vNfPMSk3K/EzTb/UpX8WuFZ4ZJF5PC9O95C68OMhq3/Ok:lf05a/CTjuX89wFc9UI68OMET

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

156.225.129.219:7000

Mutex

LOfxNhTNVvGzuUp6

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2984-1-0x0000000000DB0000-0x0000000000DC0000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

2508 powershell.exe
3064 powershell.exe
2808 powershell.exe
2676 powershell.exe

pid	process
2508	powershell.exe
3064	powershell.exe
2808	powershell.exe
2676	powershell.exe

Drops startup file 2 IoCs

Processes:

6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.lnk	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.lnk	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

pid process

2808 powershell.exe
2676 powershell.exe
2508 powershell.exe
3064 powershell.exe
2984 6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

flow	ioc
2	ip-api.com

pid	process
2808	powershell.exe
2676	powershell.exe
2508	powershell.exe
3064	powershell.exe
2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe
Token: SeDebugPrivilege	2808	powershell.exe
Token: SeDebugPrivilege	2676	powershell.exe
Token: SeDebugPrivilege	2508	powershell.exe
Token: SeDebugPrivilege	3064	powershell.exe
Token: SeDebugPrivilege	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

pid process

2984 6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

pid	process
2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

description	pid	process	target process
PID 2984 wrote to memory of 2808	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 2808	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 2808	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 2676	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 2676	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 2676	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 2508	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 2508	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 2508	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 3064	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 3064	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 2984 wrote to memory of 3064	2984	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe"
1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2984

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\6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2808

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676

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\Roaming\csrss'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2508

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'csrss'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3064

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
c3a9bae033a081d69920762ce949349b

SHA1
c108d0cceb3627b18ca6f1d2d420e0cf0dbc340e

SHA256
a76beeb3e9974868a180d2c8429a4f0f1c60cf366f8a4403a9a899e9929813fe

SHA512
5b4aac5683ba35c3fdbd0fc963062c23baebcbb6793101f8129bfbf517a95fb3efdbf4fd650a2d445925874a39fcf6efadc98835a778b781ceaa38f66274859b

Download Submit
\??\PIPE\srvsvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/2676-14-0x000000001B7C0000-0x000000001BAA2000-memory.dmp

Filesize
2.9MB

Download
memory/2676-15-0x0000000002760000-0x0000000002768000-memory.dmp

Filesize
32KB

Download
memory/2808-7-0x000000001B800000-0x000000001BAE2000-memory.dmp

Filesize
2.9MB

Download
memory/2808-8-0x00000000004E0000-0x00000000004E8000-memory.dmp

Filesize
32KB

Download
memory/2984-0-0x000007FEF5A23000-0x000007FEF5A24000-memory.dmp

Filesize
4KB

Download
memory/2984-1-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

Filesize
64KB

Download
memory/2984-2-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

Filesize
9.9MB

Download
memory/2984-30-0x000007FEF5A23000-0x000007FEF5A24000-memory.dmp

Filesize
4KB

Download
memory/2984-31-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads