xworm | 69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63

General

Target

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe
Size

40KB
MD5

e5cb8c66cab6a972529a85480b9881bc
SHA1

58eb0e24f0eb4865838d307df886d2b40bfb77cd
SHA256

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63
SHA512

6c049e084e00eea72b3b78480fb79879c8c961d188178b3c59211bbc69ab25deaf88453dc1f4ec23c08ee80e452a453464780193e849121f2f625f96f0dd26f3
SSDEEP

768:uNfPMSk3K/EzTb/0x8WuFZ4lJF5PC9O9EB68OMh63/aO:uf05a/CTjM89UFc9UEB68OMsx

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

45.141.26.119:1996

Mutex

wHK5NlknpAL3Lk1X

Attributes

Install_directory
%AppData%
install_file
csrss.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2444-1-0x0000000000D00000-0x0000000000D10000-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

1624 powershell.exe
1372 powershell.exe
3028 powershell.exe
3608 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:

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

Drops startup file 2 IoCs

Processes:

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.lnk	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.lnk	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.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

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

System Information Discovery
T1082

flow	ioc
8	ip-api.com

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

pid	process
1624	powershell.exe
1624	powershell.exe
1372	powershell.exe
1372	powershell.exe
3028	powershell.exe
3028	powershell.exe
3608	powershell.exe
3608	powershell.exe
2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe
Token: SeDebugPrivilege	1624	powershell.exe
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeDebugPrivilege	3028	powershell.exe
Token: SeDebugPrivilege	3608	powershell.exe
Token: SeDebugPrivilege	2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

pid process

2444 69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

pid	process
2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

description	pid	process	target process
PID 2444 wrote to memory of 1624	2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 2444 wrote to memory of 1624	2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 2444 wrote to memory of 1372	2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 2444 wrote to memory of 1372	2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 2444 wrote to memory of 3028	2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 2444 wrote to memory of 3028	2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 2444 wrote to memory of 3608	2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 2444 wrote to memory of 3608	2444	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe
"C:\Users\Admin\AppData\Local\Temp\69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.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:2444

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\69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1624

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1372

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.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3028

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'csrss.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3608

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
2b453e11296c30377ad61a79aaaa8028

SHA1
d24b574a09a27eafae2cb1f424152889c0626c50

SHA256
ecb67197af6883787011beb002c314c2cc8131bf324246e18bf9fc00a25cb29d

SHA512
5f6eb836692c95454f89b1f723a737a51554ca49dfd8e2b8b377a09bb36cb40c99b89f0d261e990a8a0a1011c816d22f25083b746a5030a2863cf9a8d87491fe

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

MD5
6c4d8ba606317a798e4a83344889ee5c

SHA1
651cdb0a5c5a83f4724338386778b4dfe37788e6

SHA256
99a662ed999c7bb7536e238bd9002a242e446618b53db772ee6f5445190c804d

SHA512
53222f832bcfde1ac2d2067692690b706792a7187a95122d5d2ff1dde9daae4d6c4dfcaf06419b26104ffa73d1cb926e35f629345b36d1a6626e265d0b134eb2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5is0icxp.qxi.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1624-10-0x00000258C27A0000-0x00000258C27C2000-memory.dmp

Filesize
136KB

Download
memory/1624-15-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/1624-18-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/1624-4-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/1624-3-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/2444-0-0x00007FFB98E13000-0x00007FFB98E15000-memory.dmp

Filesize
8KB

Download
memory/2444-2-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/2444-1-0x0000000000D00000-0x0000000000D10000-memory.dmp

Filesize
64KB

Download
memory/2444-57-0x00007FFB98E13000-0x00007FFB98E15000-memory.dmp

Filesize
8KB

Download
memory/2444-58-0x00007FFB98E10000-0x00007FFB998D1000-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