xworm | 0a10a2d40d0d1af7fe2d6c90e6ec033bebac388c247845459c59a6cb3e1f1350

Analysis

max time kernel
41s
max time network
43s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 20:57

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General

Target

XWorm V5.6.rar
Size

22.7MB
MD5

bf2914828889b9f53f5dca3d9bda6f17
SHA1

7155e7938a6474d637a83c692eb60d34a8c6e94b
SHA256

0a10a2d40d0d1af7fe2d6c90e6ec033bebac388c247845459c59a6cb3e1f1350
SHA512

304b612339c0698c4ced92672eb559be4bcdfcdf94c16621430d8822939b970ee9491a7686aa36c3e14527bf0137728c57462e5bbc2107aab32bdce2f929727f
SSDEEP

393216:ygLv40tO3Q7adTFRWjVzPZQOo4IdenR/XdGmq+j0f2NXPM3Py/ZmZUeoatgiZMdC:yuw0tO3d9zWjVTZQOoSnR/sygONXPaPd

Score

10^/10

xworm execution rat trojan

Malware Config

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000d000000023cc1-25.dat	family_xworm
behavioral2/memory/3624-33-0x0000000000A80000-0x0000000000AAA000-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
3720	powershell.exe
1884	powershell.exe
1020	powershell.exe
4080	powershell.exe

.NET Reactor proctector 3 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/files/0x0007000000023cb3-4.dat	net_reactor
behavioral2/files/0x000d000000023cc1-25.dat	net_reactor
behavioral2/memory/3624-33-0x0000000000A80000-0x0000000000AAA000-memory.dmp	net_reactor

Checks computer location settings 2 TTPs 2 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	svchost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	XwormLoader.exe

Executes dropped EXE 4 IoCs

pid	Process
5032	XwormLoader.exe
3624	svchost.exe
3116	Xworm V5.6.exe
4952	svchost.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4748	timeout.exe

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
3256	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3624	svchost.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
1104	7zFM.exe
1104	7zFM.exe
4080	powershell.exe
4080	powershell.exe
4080	powershell.exe
3720	powershell.exe
3720	powershell.exe
3720	powershell.exe
1884	powershell.exe
1884	powershell.exe
1884	powershell.exe
1104	7zFM.exe
1104	7zFM.exe
1104	7zFM.exe
1104	7zFM.exe
1104	7zFM.exe
1104	7zFM.exe
1104	7zFM.exe
1104	7zFM.exe
1104	7zFM.exe
1104	7zFM.exe
1020	powershell.exe
1020	powershell.exe
1020	powershell.exe
3624	svchost.exe
1104	7zFM.exe
1104	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1104	7zFM.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeRestorePrivilege	1104	7zFM.exe
Token: 35	1104	7zFM.exe
Token: SeSecurityPrivilege	1104	7zFM.exe
Token: SeDebugPrivilege	5032	XwormLoader.exe
Token: SeDebugPrivilege	3624	svchost.exe
Token: SeDebugPrivilege	4080	powershell.exe
Token: SeDebugPrivilege	3720	powershell.exe
Token: SeDebugPrivilege	1884	powershell.exe
Token: SeDebugPrivilege	1020	powershell.exe
Token: SeDebugPrivilege	4952	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1104	7zFM.exe
1104	7zFM.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3624	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 5032	1104	7zFM.exe	102
PID 1104 wrote to memory of 5032	1104	7zFM.exe	102
PID 5032 wrote to memory of 3624	5032	XwormLoader.exe	105
PID 5032 wrote to memory of 3624	5032	XwormLoader.exe	105
PID 5032 wrote to memory of 3116	5032	XwormLoader.exe	106
PID 5032 wrote to memory of 3116	5032	XwormLoader.exe	106
PID 5032 wrote to memory of 4452	5032	XwormLoader.exe	107
PID 5032 wrote to memory of 4452	5032	XwormLoader.exe	107
PID 4452 wrote to memory of 4748	4452	cmd.exe	109
PID 4452 wrote to memory of 4748	4452	cmd.exe	109
PID 3624 wrote to memory of 4080	3624	svchost.exe	110
PID 3624 wrote to memory of 4080	3624	svchost.exe	110
PID 3624 wrote to memory of 3720	3624	svchost.exe	113
PID 3624 wrote to memory of 3720	3624	svchost.exe	113
PID 3624 wrote to memory of 1884	3624	svchost.exe	115
PID 3624 wrote to memory of 1884	3624	svchost.exe	115
PID 3624 wrote to memory of 1020	3624	svchost.exe	117
PID 3624 wrote to memory of 1020	3624	svchost.exe	117
PID 3624 wrote to memory of 3256	3624	svchost.exe	119
PID 3624 wrote to memory of 3256	3624	svchost.exe	119

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:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\XWorm V5.6.rar"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Users\Admin\AppData\Local\Temp\7zO054B9597\XwormLoader.exe
  "C:\Users\Admin\AppData\Local\Temp\7zO054B9597\XwormLoader.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3624
  - - 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\svchost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4080
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3720
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1884
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1020
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\ProgramData\svchost.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3256
- - C:\Users\Admin\AppData\Local\Temp\7zO054B9597\Xworm V5.6.exe
    "C:\Users\Admin\AppData\Local\Temp\7zO054B9597\Xworm V5.6.exe"
    3⤵
    - Executes dropped EXE
    PID:3116
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFADB.tmp.bat""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4452
  - - C:\Windows\system32\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:4748

C:\ProgramData\svchost.exe
C:\ProgramData\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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
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
85ea0d542ace6fad3bd481b34ce8c733

SHA1
cc32fb0ec32fa036b257f31d4171ddfddef86c5c

SHA256
5de14aad56027e86452f4718ef2e73ecee7bbcb934bb2d66327138df7da94522

SHA512
082cbd71a6d28e0f210ee24140636c941b489129c9cbe65ac04d3269900f0d938aaffabe12292d7514a659620cfde2fd0ccb41c968e485f28d85c71069cf23a6

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

Filesize
944B

MD5
10890cda4b6eab618e926c4118ab0647

SHA1
1e1d63b73a0e6c7575f458b3c7917a9ce5ba776d

SHA256
00f8a035324d39bd62e6dee5e1b480069015471c487ebee4479e6990ea9ddb14

SHA512
a2ee84006c24a36f25e0bca0772430d64e3791f233da916aecdeae6712763e77d55bbbd00dc8f6b2b3887f3c26ab3980b96c5f46cc823e81e28abbbc5fc78221

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zO054B9597\Xworm V5.6.exe

Filesize
14.9MB

MD5
db51a102eab752762748a2dec8f7f67a

SHA1
194688ec1511b83063f7b0167ae250764b7591d1

SHA256
93e5e7f018053c445c521b010caff89e61f61743635db3500aad32d6e495abb2

SHA512
fb2fb6605a17fedb65e636cf3716568e85b8ea423c23e0513eb87f3a3441e2cabc4c3e6346225a9bf7b81e97470f3ab516feea649a7afb5cdf02faff8d7f09a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zO054B9597\XwormLoader.exe

Filesize
7.9MB

MD5
5b757c6d0af650a77ba1bf7edea18b36

SHA1
c2ee4e12ff4b70511dbcab25dbf8b0d45f2d52b3

SHA256
c2a9fefda9159dd2712510c1c9077a1885d0ebc45251285dad95ba7184b98856

SHA512
93ca04887c63c3a0a4a5d42c48d0f4f7cc7fe7f6dad4dd45136ac048639d2edab66a2d2459779b9a2a075fa8981ea40567b34e5ed0535c1deecfe5e838385960

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_icttbzmr.air.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
144KB

MD5
4b90399888a12fb85ccc3d0190d5a1d3

SHA1
3326c027bac28b9480b0c7f621481a6cc033db4e

SHA256
cede03d0ef98d200bd5b68f6ca4e0d74e2a62fc430a38083663c3031dbb1c77f

SHA512
899ec2df2f5d70716ad5d0686bfe0a6c66ccbcf7f0485efbdfc0615f90b3526cd3d31069fa66c7c6ae8bba6ce92200836c50da40a3731888b7326b970d93216a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFADB.tmp.bat

Filesize
175B

MD5
ac5198ad054cefcaa18a7c14e8fb0dfc

SHA1
9c249458bd3a9995f40bcf15fa126048d0bf888a

SHA256
0d297a0d23f88fb7fe09224f51d8de8ee4680f858e933e54e4838e5e5c1ccd2b

SHA512
4d50c2526fb5d5358fa375876d1b5b998cb5147efc79c84c331021e70acb8037e4675c2e48871ec6198d850761b23c0f0389d9b5fd101fe2a086524759d66400

Download Submit
memory/3116-52-0x000001F3FD540000-0x000001F3FE428000-memory.dmp

Filesize
14.9MB

Download
memory/3624-33-0x0000000000A80000-0x0000000000AAA000-memory.dmp

Filesize
168KB

Download
memory/3720-78-0x000001BE4FEF0000-0x000001BE5010C000-memory.dmp

Filesize
2.1MB

Download
memory/4080-54-0x00000227F5040000-0x00000227F5062000-memory.dmp

Filesize
136KB

Download
memory/5032-45-0x00007FF865BA5000-0x00007FF865BA6000-memory.dmp

Filesize
4KB

Download
memory/5032-46-0x000000001EEE0000-0x000000001F3AE000-memory.dmp

Filesize
4.8MB

Download
memory/5032-50-0x00007FF8658F0000-0x00007FF866291000-memory.dmp

Filesize
9.6MB

Download
memory/5032-51-0x00007FF8658F0000-0x00007FF866291000-memory.dmp

Filesize
9.6MB

Download
memory/5032-22-0x00007FF8658F0000-0x00007FF866291000-memory.dmp

Filesize
9.6MB

Download
memory/5032-18-0x00007FF8658F0000-0x00007FF866291000-memory.dmp

Filesize
9.6MB

Download
memory/5032-17-0x00007FF8658F0000-0x00007FF866291000-memory.dmp

Filesize
9.6MB

Download
memory/5032-16-0x000000001C390000-0x000000001C436000-memory.dmp

Filesize
664KB

Download
memory/5032-15-0x00007FF8658F0000-0x00007FF866291000-memory.dmp

Filesize
9.6MB

Download
memory/5032-14-0x00007FF8658F0000-0x00007FF866291000-memory.dmp

Filesize
9.6MB

Download
memory/5032-19-0x00007FF8658F0000-0x00007FF866291000-memory.dmp

Filesize
9.6MB

Download
memory/5032-13-0x00007FF8658F0000-0x00007FF866291000-memory.dmp

Filesize
9.6MB

Download
memory/5032-12-0x00007FF865BA5000-0x00007FF865BA6000-memory.dmp

Filesize
4KB

Download