xworm | 774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888

General

Target

774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe
Size

50KB
MD5

20e2bdf68c3b6acfda5735422b64cbea
SHA1

181aa68712a5e2f06f136e065291f083c35f32dc
SHA256

774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888
SHA512

188c77234438a34673cc2b2164c180ff0b3d9f35ff2b17c704b36acb655d47a2a034632a59a3ed4945daae692316774c8a6fd53e80ffc53217c8045f7bc88b36
SSDEEP

1536:Tf05a/CTjo89wFc9UR68OMuodS1EAd8IIm:Tf05a/CTD9wFc9U3OMhgEA6IIm

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

103.216.158.119:7000

Mutex

gjV5QKceVphN17zl

Attributes

Install_directory
%ProgramData%
install_file
VLC_media.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1576-1-0x0000000000740000-0x0000000000752000-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

2880 powershell.exe
4916 powershell.exe
4060 powershell.exe
2680 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:

774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe

Drops startup file 2 IoCs

Processes:

774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VLC_media.lnk	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VLC_media.lnk	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.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

flow	ioc
2	ip-api.com

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe

pid	process
2880	powershell.exe
2880	powershell.exe
4916	powershell.exe
4916	powershell.exe
4060	powershell.exe
4060	powershell.exe
2680	powershell.exe
2680	powershell.exe
1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe
Token: SeDebugPrivilege	2880	powershell.exe
Token: SeDebugPrivilege	4916	powershell.exe
Token: SeDebugPrivilege	4060	powershell.exe
Token: SeDebugPrivilege	2680	powershell.exe
Token: SeDebugPrivilege	1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe

pid process

1576 774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe

pid	process
1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe

description	pid	process	target process
PID 1576 wrote to memory of 2880	1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe	powershell.exe
PID 1576 wrote to memory of 2880	1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe	powershell.exe
PID 1576 wrote to memory of 4916	1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe	powershell.exe
PID 1576 wrote to memory of 4916	1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe	powershell.exe
PID 1576 wrote to memory of 4060	1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe	powershell.exe
PID 1576 wrote to memory of 4060	1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe	powershell.exe
PID 1576 wrote to memory of 2680	1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe	powershell.exe
PID 1576 wrote to memory of 2680	1576	774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe
"C:\Users\Admin\AppData\Local\Temp\774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.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:1576
- 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\774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2880
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '774529f26b02e6ac05bafff286f930882b7c8f10b73222b040f7d47430d2a888.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4916
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\VLC_media.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4060
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'VLC_media.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
944B

MD5
da5c82b0e070047f7377042d08093ff4

SHA1
89d05987cd60828cca516c5c40c18935c35e8bd3

SHA256
77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5

SHA512
7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tvvrbgpx.pqq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1576-1-0x0000000000740000-0x0000000000752000-memory.dmp

Filesize
72KB

Download
memory/1576-2-0x00007FFFDC2B0000-0x00007FFFDCD71000-memory.dmp

Filesize
10.8MB

Download
memory/1576-3-0x00007FFFDC2B3000-0x00007FFFDC2B5000-memory.dmp

Filesize
8KB

Download
memory/1576-4-0x00007FFFDC2B0000-0x00007FFFDCD71000-memory.dmp

Filesize
10.8MB

Download
memory/1576-0-0x00007FFFDC2B3000-0x00007FFFDC2B5000-memory.dmp

Filesize
8KB

Download
memory/2880-6-0x00007FFFDC2B0000-0x00007FFFDCD71000-memory.dmp

Filesize
10.8MB

Download
memory/2880-20-0x00000166ECCB0000-0x00000166ECECC000-memory.dmp

Filesize
2.1MB

Download
memory/2880-21-0x00007FFFDC2B0000-0x00007FFFDCD71000-memory.dmp

Filesize
10.8MB

Download
memory/2880-17-0x00007FFFDC2B0000-0x00007FFFDCD71000-memory.dmp

Filesize
10.8MB

Download
memory/2880-12-0x00000166ECB60000-0x00000166ECB82000-memory.dmp

Filesize
136KB

Download
memory/2880-5-0x00007FFFDC2B0000-0x00007FFFDCD71000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads