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
behavioral2/memory/5032-1-0x0000000000D40000-0x0000000000D50000-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

3092 powershell.exe
2256 powershell.exe
2140 powershell.exe
1544 powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.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

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

System Information Discovery
T1082

flow	ioc
25	ip-api.com

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

pid	process
3092	powershell.exe
3092	powershell.exe
2256	powershell.exe
2256	powershell.exe
2140	powershell.exe
2140	powershell.exe
1544	powershell.exe
1544	powershell.exe
5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe
Token: SeDebugPrivilege	3092	powershell.exe
Token: SeDebugPrivilege	2256	powershell.exe
Token: SeDebugPrivilege	2140	powershell.exe
Token: SeDebugPrivilege	1544	powershell.exe
Token: SeDebugPrivilege	5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

pid process

5032 6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

pid	process
5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe

description	pid	process	target process
PID 5032 wrote to memory of 3092	5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 5032 wrote to memory of 3092	5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 5032 wrote to memory of 2256	5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 5032 wrote to memory of 2256	5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 5032 wrote to memory of 2140	5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 5032 wrote to memory of 2140	5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 5032 wrote to memory of 1544	5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe
PID 5032 wrote to memory of 1544	5032	6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\6663d561874fb21e3bd67c9e68f09ac0_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5032

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:3092

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:2256

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:2140

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:1544

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
735388b98281cec7d063b1b470c13632

SHA1
7536ce1c5f3732fac491d7038e24124551c4290a

SHA256
843fced254477f5ad803cc98e853d7ab674852d5e94bc174497691b736d49e69

SHA512
30244c596f4c3cc0194186a210170f04985b77fc90f10cff0a2fbd07e079944e5f8c9998759219363033c450b6a4093ad1b3d75e0a0fae1aa6208a61a88a9717

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
fd98baf5a9c30d41317663898985593b

SHA1
ea300b99f723d2429d75a6c40e0838bf60f17aad

SHA256
9d97a5bbc88fdcceac25f293383f7e5ce242675460ffbfb2ee9090870c034e96

SHA512
bf4dbbd671b5d7afb326622a7c781f150860294d3dba7160330046c258c84a15981c70e50d84dc7faaa7cc8b8c90bf8df818b3f2d3806a8a3671dfe5e38fe7b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4eyrezri.wot.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3092-3-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp

Filesize
10.8MB

Download
memory/3092-14-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp

Filesize
10.8MB

Download
memory/3092-15-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp

Filesize
10.8MB

Download
memory/3092-18-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp

Filesize
10.8MB

Download
memory/3092-13-0x00000137DEF00000-0x00000137DEF22000-memory.dmp

Filesize
136KB

Download
memory/5032-0-0x00007FFB352F3000-0x00007FFB352F5000-memory.dmp

Filesize
8KB

Download
memory/5032-2-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp

Filesize
10.8MB

Download
memory/5032-1-0x0000000000D40000-0x0000000000D50000-memory.dmp

Filesize
64KB

Download
memory/5032-56-0x00007FFB352F3000-0x00007FFB352F5000-memory.dmp

Filesize
8KB

Download
memory/5032-57-0x00007FFB352F0000-0x00007FFB35DB1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads