xworm | 7eb3f17102a94b55b2a95688d799bee21e55ad67c1ff6580c6968852705ace95

General

Target

XClient.exe
Size

173KB
MD5

e53cfc4155bf01620aaf3ef5041116f2
SHA1

50b4d70680945e7e5806de76b47d56d1fc2af985
SHA256

7eb3f17102a94b55b2a95688d799bee21e55ad67c1ff6580c6968852705ace95
SHA512

63babf167c3ebdebf672213d68a441e3973009f52dc34d0f6bec880f8a9712669c223da43f0cd066da0e5495e885f66f5d2a366f918c07bb97b22fe6c8d58232
SSDEEP

3072:xIeFPAg95lvc+b6iTPXGOXx2Bz65/M6If+3Js+3JFkKeTns:xqg7Xbd2xBt25

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

advertise-located.gl.at.ply.gg:54921

19.ip.gl.ply.gg:54921

Attributes

Install_directory
%AppData%
install_file
cmd.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2188-1-0x0000000000B20000-0x0000000000B52000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\cmd.exe	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

4904 powershell.exe
4588 powershell.exe
908 powershell.exe
696 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:

XClient.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation XClient.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	XClient.exe

Drops startup file 2 IoCs

Processes:

XClient.exe

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

Executes dropped EXE 2 IoCs

Processes:

cmd.execmd.exe

pid process

4528 cmd.exe
4444 cmd.exe

pid	process
4528	cmd.exe
4444	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

XClient.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cmd = "C:\\Users\\Admin\\AppData\\Roaming\\cmd.exe"	XClient.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3904 schtasks.exe

pid	process
3904	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeXClient.exe

pid	process
4904	powershell.exe
4904	powershell.exe
4588	powershell.exe
4588	powershell.exe
908	powershell.exe
908	powershell.exe
696	powershell.exe
696	powershell.exe
2188	XClient.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

XClient.exepowershell.exepowershell.exepowershell.exepowershell.execmd.execmd.exe

description	pid	process
Token: SeDebugPrivilege	2188	XClient.exe
Token: SeDebugPrivilege	4904	powershell.exe
Token: SeDebugPrivilege	4588	powershell.exe
Token: SeDebugPrivilege	908	powershell.exe
Token: SeDebugPrivilege	696	powershell.exe
Token: SeDebugPrivilege	2188	XClient.exe
Token: SeDebugPrivilege	4528	cmd.exe
Token: SeDebugPrivilege	4444	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

XClient.exe

pid process

2188 XClient.exe

pid	process
2188	XClient.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

XClient.exe

description	pid	process	target process
PID 2188 wrote to memory of 4904	2188	XClient.exe	powershell.exe
PID 2188 wrote to memory of 4904	2188	XClient.exe	powershell.exe
PID 2188 wrote to memory of 4588	2188	XClient.exe	powershell.exe
PID 2188 wrote to memory of 4588	2188	XClient.exe	powershell.exe
PID 2188 wrote to memory of 908	2188	XClient.exe	powershell.exe
PID 2188 wrote to memory of 908	2188	XClient.exe	powershell.exe
PID 2188 wrote to memory of 696	2188	XClient.exe	powershell.exe
PID 2188 wrote to memory of 696	2188	XClient.exe	powershell.exe
PID 2188 wrote to memory of 3904	2188	XClient.exe	schtasks.exe
PID 2188 wrote to memory of 3904	2188	XClient.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2188

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\XClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4904

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: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\cmd.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:908

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'cmd.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:696

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "cmd" /tr "C:\Users\Admin\AppData\Roaming\cmd.exe"
2⤵
- Creates scheduled task(s)
PID:3904

C:\Users\Admin\AppData\Roaming\cmd.exe
C:\Users\Admin\AppData\Roaming\cmd.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4528

C:\Users\Admin\AppData\Roaming\cmd.exe
C:\Users\Admin\AppData\Roaming\cmd.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

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\cmd.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

MD5
ef72c47dbfaae0b9b0d09f22ad4afe20

SHA1
5357f66ba69b89440b99d4273b74221670129338

SHA256
692ec20c7039170fb199510f0436181fd155e6b4516d4d1c9e1675adf99aaa7f

SHA512
7514b6bc8dc39fa618223300be27cd535dc35b18c66b4a089e2302e72b3e0cac06d88a989fa1296feb386b3cbe2084019df6430c7f895071b76e04ce559a30b4

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

MD5
a2c8179aaa149c0b9791b73ce44c04d1

SHA1
703361b0d43ec7f669304e7c0ffbbfdeb1e484ff

SHA256
c1d30342a40a2b6e7553da30ceb85754d33820f6fbb3bbbed1ceb30d6390de4a

SHA512
2e201dd457d055baad86f68c15bcc7beb48d6dc2ffc10db7f304eb93f697e7b45991cbde857d25da2c9c60c23f3e13df8b5ed5809c1753737a23096e296cc9e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sa45302h.se0.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\cmd.exe
Filesize
173KB

MD5
e53cfc4155bf01620aaf3ef5041116f2

SHA1
50b4d70680945e7e5806de76b47d56d1fc2af985

SHA256
7eb3f17102a94b55b2a95688d799bee21e55ad67c1ff6580c6968852705ace95

SHA512
63babf167c3ebdebf672213d68a441e3973009f52dc34d0f6bec880f8a9712669c223da43f0cd066da0e5495e885f66f5d2a366f918c07bb97b22fe6c8d58232

Download Submit
memory/696-52-0x00000185CE0B0000-0x00000185CE2CC000-memory.dmp

Filesize
2.1MB

Download
memory/2188-0-0x00007FFDAAF23000-0x00007FFDAAF25000-memory.dmp

Filesize
8KB

Download
memory/2188-57-0x00007FFDAAF20000-0x00007FFDAB9E1000-memory.dmp

Filesize
10.8MB

Download
memory/2188-58-0x00007FFDAAF23000-0x00007FFDAAF25000-memory.dmp

Filesize
8KB

Download
memory/2188-59-0x00007FFDAAF20000-0x00007FFDAB9E1000-memory.dmp

Filesize
10.8MB

Download
memory/2188-1-0x0000000000B20000-0x0000000000B52000-memory.dmp

Filesize
200KB

Download
memory/4904-17-0x00007FFDAAF20000-0x00007FFDAB9E1000-memory.dmp

Filesize
10.8MB

Download
memory/4904-14-0x00007FFDAAF20000-0x00007FFDAB9E1000-memory.dmp

Filesize
10.8MB

Download
memory/4904-13-0x00007FFDAAF20000-0x00007FFDAB9E1000-memory.dmp

Filesize
10.8MB

Download
memory/4904-12-0x00007FFDAAF20000-0x00007FFDAB9E1000-memory.dmp

Filesize
10.8MB

Download
memory/4904-7-0x0000016C32460000-0x0000016C32482000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads