xworm | 25f61938ed5473d78506a19592f356a585bb2422cd3d189f9c45d2113a0a59b8

General

Target

188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe
Size

82KB
MD5

b201ce5dcb58284da7a5ef6294418e56
SHA1

27573051f80debfd74e1a72d27cfd29f58c76d7e
SHA256

188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed
SHA512

f282f9efa40ce5e753faf803079af9aae478711e6e2f3dcf09c744ae3e670c6ef0cb18b62c8e57ba825faef8c396dd481768ef0680681d4b1b80ad1c3433f11c
SSDEEP

1536:D2wgD0/WhgBpRCn3wtSD+bQ6QqTMj34Al6G4tIzOasNnP6UO:ywkeWQCn1+bQdjrytuOa6Sz

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:36623

fax-scenarios.gl.at.ply.gg:36623

Attributes

Install_directory
%AppData%
install_file
SolaraX.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/228-1-0x00000000002B0000-0x00000000002CA000-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
1524	powershell.exe
1648	powershell.exe
4952	powershell.exe
1772	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-1-5-21-1170604239-850860757-3112005715-1000\Control Panel\International\Geo\Nation	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SolaraX.lnk	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SolaraX.lnk	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.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-1-5-21-1170604239-850860757-3112005715-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SolaraX = "C:\\Users\\Admin\\AppData\\Roaming\\SolaraX.exe"	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4220	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1524	powershell.exe
1524	powershell.exe
1648	powershell.exe
1648	powershell.exe
4952	powershell.exe
4952	powershell.exe
1772	powershell.exe
1772	powershell.exe
228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe
Token: SeDebugPrivilege	1524	powershell.exe
Token: SeDebugPrivilege	1648	powershell.exe
Token: SeDebugPrivilege	4952	powershell.exe
Token: SeDebugPrivilege	1772	powershell.exe
Token: SeDebugPrivilege	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 1524	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe	87
PID 228 wrote to memory of 1524	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe	87
PID 228 wrote to memory of 1648	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe	91
PID 228 wrote to memory of 1648	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe	91
PID 228 wrote to memory of 4952	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe	95
PID 228 wrote to memory of 4952	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe	95
PID 228 wrote to memory of 1772	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe	97
PID 228 wrote to memory of 1772	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe	97
PID 228 wrote to memory of 4220	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe	99
PID 228 wrote to memory of 4220	228	188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe	99

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\188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe
"C:\Users\Admin\AppData\Local\Temp\188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.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:228
- 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\188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1524
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1648
- 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\SolaraX.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4952
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SolaraX.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1772
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SolaraX" /tr "C:\Users\Admin\AppData\Roaming\SolaraX.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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\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
5f0ddc7f3691c81ee14d17b419ba220d

SHA1
f0ef5fde8bab9d17c0b47137e014c91be888ee53

SHA256
a31805264b8b13ce4145f272cb2830728c186c46e314b48514d636866217add5

SHA512
2ce7c2a0833f581297c13dd88ccfcd36bf129d2b5d7718c52b1d67c97cbd8fc93abc085a040229a0fd712e880c690de7f6b996b0b47c46a091fabb7931be58d3

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

Filesize
944B

MD5
22310ad6749d8cc38284aa616efcd100

SHA1
440ef4a0a53bfa7c83fe84326a1dff4326dcb515

SHA256
55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

SHA512
2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

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\Temp\__PSScriptPolicyTest_grfm3bzn.iz0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/228-1-0x00000000002B0000-0x00000000002CA000-memory.dmp

Filesize
104KB

Download
memory/228-0-0x00007FFFAE723000-0x00007FFFAE725000-memory.dmp

Filesize
8KB

Download
memory/228-57-0x00007FFFAE720000-0x00007FFFAF1E1000-memory.dmp

Filesize
10.8MB

Download
memory/228-56-0x00007FFFAE720000-0x00007FFFAF1E1000-memory.dmp

Filesize
10.8MB

Download
memory/1524-7-0x0000021ABF190000-0x0000021ABF1B2000-memory.dmp

Filesize
136KB

Download
memory/1524-17-0x00007FFFAE720000-0x00007FFFAF1E1000-memory.dmp

Filesize
10.8MB

Download
memory/1524-14-0x00007FFFAE720000-0x00007FFFAF1E1000-memory.dmp

Filesize
10.8MB

Download
memory/1524-13-0x00007FFFAE720000-0x00007FFFAF1E1000-memory.dmp

Filesize
10.8MB

Download
memory/1524-12-0x00007FFFAE720000-0x00007FFFAF1E1000-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