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/5104-1-0x00000000004B0000-0x00000000004C8000-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
396	powershell.exe
3876	powershell.exe
4344	powershell.exe
2788	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-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\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
15	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
396	powershell.exe
396	powershell.exe
3876	powershell.exe
3876	powershell.exe
4344	powershell.exe
4344	powershell.exe
2788	powershell.exe
2788	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5104	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe
Token: SeDebugPrivilege	396	powershell.exe
Token: SeDebugPrivilege	3876	powershell.exe
Token: SeDebugPrivilege	4344	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	5104	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 396	5104	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	88
PID 5104 wrote to memory of 396	5104	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	88
PID 5104 wrote to memory of 3876	5104	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	92
PID 5104 wrote to memory of 3876	5104	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	92
PID 5104 wrote to memory of 4344	5104	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	94
PID 5104 wrote to memory of 4344	5104	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	94
PID 5104 wrote to memory of 2788	5104	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	96
PID 5104 wrote to memory of 2788	5104	17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe	96

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:5104
- 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:396
- 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:3876
- 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:4344
- 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:2788

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
2979eabc783eaca50de7be23dd4eafcf

SHA1
d709ce5f3a06b7958a67e20870bfd95b83cad2ea

SHA256
006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903

SHA512
92bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba

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

Filesize
944B

MD5
ba169f4dcbbf147fe78ef0061a95e83b

SHA1
92a571a6eef49fff666e0f62a3545bcd1cdcda67

SHA256
5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

SHA512
8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

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

Filesize
944B

MD5
eb1ad317bd25b55b2bbdce8a28a74a94

SHA1
98a3978be4d10d62e7411946474579ee5bdc5ea6

SHA256
9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

SHA512
d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rau1lvbt.px5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/396-9-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

Filesize
10.8MB

Download
memory/396-14-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

Filesize
10.8MB

Download
memory/396-15-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

Filesize
10.8MB

Download
memory/396-18-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

Filesize
10.8MB

Download
memory/396-8-0x000001CDAF8C0000-0x000001CDAF8E2000-memory.dmp

Filesize
136KB

Download
memory/5104-0-0x00007FFF96933000-0x00007FFF96935000-memory.dmp

Filesize
8KB

Download
memory/5104-2-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

Filesize
10.8MB

Download
memory/5104-1-0x00000000004B0000-0x00000000004C8000-memory.dmp

Filesize
96KB

Download
memory/5104-57-0x00007FFF96933000-0x00007FFF96935000-memory.dmp

Filesize
8KB

Download
memory/5104-58-0x000000001B6B0000-0x000000001B7B2000-memory.dmp

Filesize
1.0MB

Download
memory/5104-59-0x00007FFF96930000-0x00007FFF973F1000-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