xworm | baa8ace81d5e51f20fea99bf6b8de26c594a2011b670883304e085e5a9847eb2

Analysis

max time kernel
150s
max time network
154s
platform
windows10-1703_x64
resource
win10-20240611-en
resource tags

arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
submitted
01-08-2024 20:59

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General

Target

XClient.exe
Size

80KB
MD5

bfa950b37b6a4f8de71af861e677a8b4
SHA1

2ee40bfbf2964d92c82256e5924169295dfdd225
SHA256

07f94f8f6061ba95899914496edc5854aa810de56797d9004875276d60e21ade
SHA512

235b514fac01b24edaef3aeb4209676789b6ba9264a8798cb7ae48c26d2455cdd8f254e92bbba688535acb69fd77b3c0a0a549cf97ece84c235cc74f72234e1a
SSDEEP

1536:EI5NuEGJkEtydWqZQSp1eS+b59gxzhfxdl/5m6qeo//3Oy/4IK4Dax5:Eg1GhtktQGAS+b59cJ4eA/OlINDab

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

full-self.gl.at.ply.gg:45212

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2356-1-0x0000000000170000-0x000000000018A000-memory.dmp	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

pid	Process
3712	powershell.exe
4372	powershell.exe
4668	powershell.exe
4752	powershell.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-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	XClient.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4372	powershell.exe
4372	powershell.exe
4372	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4752	powershell.exe
4752	powershell.exe
4752	powershell.exe
3712	powershell.exe
3712	powershell.exe
3712	powershell.exe
2356	XClient.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	XClient.exe
Token: SeDebugPrivilege	4372	powershell.exe
Token: SeIncreaseQuotaPrivilege	4372	powershell.exe
Token: SeSecurityPrivilege	4372	powershell.exe
Token: SeTakeOwnershipPrivilege	4372	powershell.exe
Token: SeLoadDriverPrivilege	4372	powershell.exe
Token: SeSystemProfilePrivilege	4372	powershell.exe
Token: SeSystemtimePrivilege	4372	powershell.exe
Token: SeProfSingleProcessPrivilege	4372	powershell.exe
Token: SeIncBasePriorityPrivilege	4372	powershell.exe
Token: SeCreatePagefilePrivilege	4372	powershell.exe
Token: SeBackupPrivilege	4372	powershell.exe
Token: SeRestorePrivilege	4372	powershell.exe
Token: SeShutdownPrivilege	4372	powershell.exe
Token: SeDebugPrivilege	4372	powershell.exe
Token: SeSystemEnvironmentPrivilege	4372	powershell.exe
Token: SeRemoteShutdownPrivilege	4372	powershell.exe
Token: SeUndockPrivilege	4372	powershell.exe
Token: SeManageVolumePrivilege	4372	powershell.exe
Token: 33	4372	powershell.exe
Token: 34	4372	powershell.exe
Token: 35	4372	powershell.exe
Token: 36	4372	powershell.exe
Token: SeDebugPrivilege	4668	powershell.exe
Token: SeIncreaseQuotaPrivilege	4668	powershell.exe
Token: SeSecurityPrivilege	4668	powershell.exe
Token: SeTakeOwnershipPrivilege	4668	powershell.exe
Token: SeLoadDriverPrivilege	4668	powershell.exe
Token: SeSystemProfilePrivilege	4668	powershell.exe
Token: SeSystemtimePrivilege	4668	powershell.exe
Token: SeProfSingleProcessPrivilege	4668	powershell.exe
Token: SeIncBasePriorityPrivilege	4668	powershell.exe
Token: SeCreatePagefilePrivilege	4668	powershell.exe
Token: SeBackupPrivilege	4668	powershell.exe
Token: SeRestorePrivilege	4668	powershell.exe
Token: SeShutdownPrivilege	4668	powershell.exe
Token: SeDebugPrivilege	4668	powershell.exe
Token: SeSystemEnvironmentPrivilege	4668	powershell.exe
Token: SeRemoteShutdownPrivilege	4668	powershell.exe
Token: SeUndockPrivilege	4668	powershell.exe
Token: SeManageVolumePrivilege	4668	powershell.exe
Token: 33	4668	powershell.exe
Token: 34	4668	powershell.exe
Token: 35	4668	powershell.exe
Token: 36	4668	powershell.exe
Token: SeDebugPrivilege	4752	powershell.exe
Token: SeIncreaseQuotaPrivilege	4752	powershell.exe
Token: SeSecurityPrivilege	4752	powershell.exe
Token: SeTakeOwnershipPrivilege	4752	powershell.exe
Token: SeLoadDriverPrivilege	4752	powershell.exe
Token: SeSystemProfilePrivilege	4752	powershell.exe
Token: SeSystemtimePrivilege	4752	powershell.exe
Token: SeProfSingleProcessPrivilege	4752	powershell.exe
Token: SeIncBasePriorityPrivilege	4752	powershell.exe
Token: SeCreatePagefilePrivilege	4752	powershell.exe
Token: SeBackupPrivilege	4752	powershell.exe
Token: SeRestorePrivilege	4752	powershell.exe
Token: SeShutdownPrivilege	4752	powershell.exe
Token: SeDebugPrivilege	4752	powershell.exe
Token: SeSystemEnvironmentPrivilege	4752	powershell.exe
Token: SeRemoteShutdownPrivilege	4752	powershell.exe
Token: SeUndockPrivilege	4752	powershell.exe
Token: SeManageVolumePrivilege	4752	powershell.exe
Token: 33	4752	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2356	XClient.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 4372	2356	XClient.exe	71
PID 2356 wrote to memory of 4372	2356	XClient.exe	71
PID 2356 wrote to memory of 4668	2356	XClient.exe	74
PID 2356 wrote to memory of 4668	2356	XClient.exe	74
PID 2356 wrote to memory of 4752	2356	XClient.exe	76
PID 2356 wrote to memory of 4752	2356	XClient.exe	76
PID 2356 wrote to memory of 3712	2356	XClient.exe	78
PID 2356 wrote to memory of 3712	2356	XClient.exe	78

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2356
- 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:4372
- 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:4668
- 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:4752
- 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
  PID:3712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

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
3KB

MD5
ad5cd538ca58cb28ede39c108acb5785

SHA1
1ae910026f3dbe90ed025e9e96ead2b5399be877

SHA256
c9e6cb04d6c893458d5a7e12eb575cf97c3172f5e312b1f63a667cbbc5f0c033

SHA512
c066c5d9b276a68fa636647bb29aea05bfa2292217bc77f5324d9c1d93117772ee8277e1f7cff91ec8d6b7c05ca078f929cecfdbb09582522a9067f54740af13

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

Filesize
1KB

MD5
c9d2d982f58762f36d556e55bc7a8966

SHA1
d4ebcdeb595dbe5e1c80b5caf5210802a11151e4

SHA256
806a7753fda5402ac4cada9a09ad48f36593fc347b28fb705c44bb54260f8e7e

SHA512
0d4d60ba865d0c2fe487ca16e450031b56cafee3a9788454543e31ad8feded9949ece60a0efb5d6e3dc9fdd60b55b6696a2dff3554b6c3f893e7e233e1643db9

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

Filesize
1KB

MD5
5aede25c2e87714e8f02bb2d0d549e82

SHA1
a2ae9793a44cb424f74522f402b58ead7e9d08fe

SHA256
cc20e8fb0b0c99c42a590a18f634f4cafb8f0c5a5e15a90d73f8fb9c0444e1a4

SHA512
184b564ecab43f983369f548c29404189561c658378babb50b95d4aac8cff488f6a886b7e8440c65534875aa359ad8631d0e37b384cb63600067ed7a2ff2fb97

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

Filesize
1KB

MD5
e62b5afeec365bc5f0596b5cbb6a9939

SHA1
91ac3bfaa3c01b602786ee891e2cc06476a7a58a

SHA256
ee388c0bb9a0bc9a8c773f7b5bbd86f9b561d04d76f1777a5b75aa278fa81676

SHA512
497db3eade26cb2904e674af7ef4710a4b4d553290223ecc9cc1a1a4f2eb09a0056efaa3943211ed697c55c5ccd4858400f890bd19230a96c69aa3e9e7182d80

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1db4z015.vu1.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/2356-1-0x0000000000170000-0x000000000018A000-memory.dmp

Filesize
104KB

Download
memory/2356-185-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/2356-184-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/2356-0-0x00007FF862F13000-0x00007FF862F14000-memory.dmp

Filesize
4KB

Download
memory/4372-10-0x000001A25B1B0000-0x000001A25B226000-memory.dmp

Filesize
472KB

Download
memory/4372-52-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/4372-51-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/4372-41-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/4372-20-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/4372-11-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/4372-9-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/4372-6-0x000001A25AFD0000-0x000001A25AFF2000-memory.dmp

Filesize
136KB

Download