xworm | 17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213

General

Target

17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe
Size

74KB
MD5

cdeaf8412bd8a931e78dd431b3452854
SHA1

27e36f2fe61f25f488f96bca51c80cc6e4954d0e
SHA256

17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213
SHA512

654b6469c0f2caa02e9effdb5eac73921bd04a01531e6a33264e57a53aad8a5c07c1da5459cf699864662cbe23ce8e5b72d12ff308826d4f31f0a6b3ea317e9d
SSDEEP

1536:YaoOInO4f0bgcPLQ+2HUx1F6znOOi0gYvl3FHJ:toJnDcbXzr2HfOOi0gYNFHJ

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

price-slow.gl.at.ply.gg:28067

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4724-1-0x0000000000A20000-0x0000000000A38000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
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

pid	Process
2008	powershell.exe
4508	powershell.exe
4756	powershell.exe
4588	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.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.

flow	ioc
13	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 8 IoCs

pid	Process
4756	powershell.exe
4756	powershell.exe
4588	powershell.exe
4588	powershell.exe
2008	powershell.exe
2008	powershell.exe
4508	powershell.exe
4508	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4724	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe
Token: SeDebugPrivilege	4756	powershell.exe
Token: SeDebugPrivilege	4588	powershell.exe
Token: SeDebugPrivilege	2008	powershell.exe
Token: SeDebugPrivilege	4508	powershell.exe
Token: SeDebugPrivilege	4724	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 4756	4724	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	94
PID 4724 wrote to memory of 4756	4724	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	94
PID 4724 wrote to memory of 4588	4724	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	96
PID 4724 wrote to memory of 4588	4724	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	96
PID 4724 wrote to memory of 2008	4724	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	100
PID 4724 wrote to memory of 2008	4724	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	100
PID 4724 wrote to memory of 4508	4724	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	102
PID 4724 wrote to memory of 4508	4724	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	102

C:\Users\Admin\AppData\Local\Temp\17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe
"C:\Users\Admin\AppData\Local\Temp\17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4724
- 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\17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4756
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4588
- 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\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2008
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

Filesize
944B

MD5
96e3b86880fedd5afc001d108732a3e5

SHA1
8fc17b39d744a9590a6d5897012da5e6757439a3

SHA256
c3077e4cadb4ed246c02abe55aa6cf832fee4c2546b7addb7d22cd1c7c8c1294

SHA512
909b1968f7204fa7029109b02232d8cc5438f6b4dc7c9044e4e47c59fcee538199b13029e36592b12ed573d48a308dd4822d2ced4129ab08d4111897e02be55d

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_rleqfuxh.v22.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4724-1-0x0000000000A20000-0x0000000000A38000-memory.dmp

Filesize
96KB

Download
memory/4724-2-0x00007FFEB0B50000-0x00007FFEB1611000-memory.dmp

Filesize
10.8MB

Download
memory/4724-0-0x00007FFEB0B53000-0x00007FFEB0B55000-memory.dmp

Filesize
8KB

Download
memory/4724-58-0x00007FFEB0B50000-0x00007FFEB1611000-memory.dmp

Filesize
10.8MB

Download
memory/4724-53-0x00007FFEB0B53000-0x00007FFEB0B55000-memory.dmp

Filesize
8KB

Download
memory/4756-3-0x00007FFEB0B50000-0x00007FFEB1611000-memory.dmp

Filesize
10.8MB

Download
memory/4756-18-0x00007FFEB0B50000-0x00007FFEB1611000-memory.dmp

Filesize
10.8MB

Download
memory/4756-15-0x00007FFEB0B50000-0x00007FFEB1611000-memory.dmp

Filesize
10.8MB

Download
memory/4756-10-0x00007FFEB0B50000-0x00007FFEB1611000-memory.dmp

Filesize
10.8MB

Download
memory/4756-6-0x0000027AF13D0000-0x0000027AF13F2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads