xworm | d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48

General

Target

d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe
Size

428KB
MD5

a96147bbeb5ef1b2a125942c494725ca
SHA1

f94fcab67111e2d597e543a06ebc32c8aa52c7d9
SHA256

d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48
SHA512

e912b92231326b0777dc4d025eb0d9d51e30261e8a8154f6251e9e1e2423cb1dd22903d0cbfb9283c9a39f04109453516bd7d0e85c8d8c757a1b9e2a7243fd57
SSDEEP

1536:Aq6RXEC8huuhoQ/t2dFDnv+bGYw5xDb4SX26FOe9RcHrUkccckcccccE:R6RshuBQkvnv+bGYwwSXdO0RcLUk

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:28543

membership-enforcement.gl.at.ply.gg:28543

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4920-1-0x0000000000080000-0x00000000000F0000-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
2604	powershell.exe
2380	powershell.exe
5008	powershell.exe
3808	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-1-5-21-2278412438-3475196406-3686434223-1000\Control Panel\International\Geo\Nation	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.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-1-5-21-2278412438-3475196406-3686434223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2604	powershell.exe
2604	powershell.exe
3808	powershell.exe
3808	powershell.exe
2380	powershell.exe
2380	powershell.exe
5008	powershell.exe
5008	powershell.exe
4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe
Token: SeDebugPrivilege	2604	powershell.exe
Token: SeDebugPrivilege	3808	powershell.exe
Token: SeDebugPrivilege	2380	powershell.exe
Token: SeDebugPrivilege	5008	powershell.exe
Token: SeDebugPrivilege	4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 2604	4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe	88
PID 4920 wrote to memory of 2604	4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe	88
PID 4920 wrote to memory of 3808	4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe	92
PID 4920 wrote to memory of 3808	4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe	92
PID 4920 wrote to memory of 2380	4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe	94
PID 4920 wrote to memory of 2380	4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe	94
PID 4920 wrote to memory of 5008	4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe	96
PID 4920 wrote to memory of 5008	4920	d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe	96

C:\Users\Admin\AppData\Local\Temp\d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe
"C:\Users\Admin\AppData\Local\Temp\d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.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:4920
- 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\d8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2604
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'd8a4682081aafd15197b375cc0c943e2aedd6b07a227ea142bb0b5f34bedfc48.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3808
- 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:2380
- 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:5008

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
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

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

Filesize
944B

MD5
367da361d214538015b4dba19126ffab

SHA1
0f3b71fc77b6021c8a2523c283d773b5c275f000

SHA256
c26f0f8ae25a52931b7ca924e9e3fff5d0a63b96f78c178f2eebf864ec0e998b

SHA512
26a7c2ed414a5657d6464920854b88c1beec5f7d1b37b58e9fcc4145dd76d94f2bef642a64496f7ee011dfa52d9527caf4cf8a19d6e3acfb266f1101a06cb134

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

Filesize
944B

MD5
04f1d68afbed6b13399edfae1e9b1472

SHA1
8bfdcb687a995e4a63a8c32df2c66dc89f91a8b0

SHA256
f358f33a42122e97c489fad7bbc8beab2eb42d42e4ec7fce0dd61fe6d8c0b8de

SHA512
30c5e72a8134992094d937d2588f7a503b1d6407d11afe0265b7c8b0ce14071925e5caed13fc4f9c28705df4c7aed3601f81b007048b148af274d7784aa5fb75

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hlqxopk2.22h.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2604-12-0x00007FF8123B0000-0x00007FF812E71000-memory.dmp

Filesize
10.8MB

Download
memory/2604-17-0x00007FF8123B0000-0x00007FF812E71000-memory.dmp

Filesize
10.8MB

Download
memory/2604-16-0x00007FF8123B0000-0x00007FF812E71000-memory.dmp

Filesize
10.8MB

Download
memory/2604-13-0x00007FF8123B0000-0x00007FF812E71000-memory.dmp

Filesize
10.8MB

Download
memory/2604-11-0x000001F635900000-0x000001F635922000-memory.dmp

Filesize
136KB

Download
memory/4920-0-0x00007FF8123B3000-0x00007FF8123B5000-memory.dmp

Filesize
8KB

Download
memory/4920-1-0x0000000000080000-0x00000000000F0000-memory.dmp

Filesize
448KB

Download
memory/4920-56-0x00007FF8123B0000-0x00007FF812E71000-memory.dmp

Filesize
10.8MB

Download
memory/4920-57-0x00007FF8123B0000-0x00007FF812E71000-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