xworm | c2a9fefda9159dd2712510c1c9077a1885d0ebc45251285dad95ba7184b98856

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 17:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

XwormLoader.exe
Size

7.9MB
MD5

5b757c6d0af650a77ba1bf7edea18b36
SHA1

c2ee4e12ff4b70511dbcab25dbf8b0d45f2d52b3
SHA256

c2a9fefda9159dd2712510c1c9077a1885d0ebc45251285dad95ba7184b98856
SHA512

93ca04887c63c3a0a4a5d42c48d0f4f7cc7fe7f6dad4dd45136ac048639d2edab66a2d2459779b9a2a075fa8981ea40567b34e5ed0535c1deecfe5e838385960
SSDEEP

196608:T7b4C6XrL5HfZBEhl3xZi5OslC9+PWbXooVl41u1mMFsr5:T7yvRZBEP3xZi5Oso+PWbXooL4Sa

Score

10^/10

xworm execution rat trojan

Malware Config

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000e000000023b70-12.dat	family_xworm
behavioral2/memory/2188-21-0x0000000000B80000-0x0000000000BAA000-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
4912	powershell.exe
3440	powershell.exe
1716	powershell.exe
1224	powershell.exe

.NET Reactor proctector 2 IoCs

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

resource	yara_rule
behavioral2/files/0x000e000000023b70-12.dat	net_reactor
behavioral2/memory/2188-21-0x0000000000B80000-0x0000000000BAA000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	XwormLoader.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 8 IoCs

pid	Process
2188	svchost.exe
3288	Xworm V5.6.exe
3936	svchost.exe
1328	svchost.exe
3288	Xworm V5.6.exe
368	svchost.exe
1352	Xworm V5.6.exe
3724	Xworm V5.6.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
4588	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
4324	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2188	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1224	powershell.exe
1224	powershell.exe
4912	powershell.exe
4912	powershell.exe
3440	powershell.exe
3440	powershell.exe
1716	powershell.exe
1716	powershell.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4828	XwormLoader.exe
Token: SeDebugPrivilege	2188	svchost.exe
Token: SeDebugPrivilege	1224	powershell.exe
Token: SeDebugPrivilege	4912	powershell.exe
Token: SeDebugPrivilege	3440	powershell.exe
Token: SeDebugPrivilege	1716	powershell.exe
Token: SeDebugPrivilege	3936	svchost.exe
Token: SeDebugPrivilege	1328	svchost.exe
Token: SeDebugPrivilege	368	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2188	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 2188	4828	XwormLoader.exe	88
PID 4828 wrote to memory of 2188	4828	XwormLoader.exe	88
PID 4828 wrote to memory of 3288	4828	XwormLoader.exe	92
PID 4828 wrote to memory of 3288	4828	XwormLoader.exe	92
PID 4828 wrote to memory of 3396	4828	XwormLoader.exe	93
PID 4828 wrote to memory of 3396	4828	XwormLoader.exe	93
PID 3396 wrote to memory of 4588	3396	cmd.exe	95
PID 3396 wrote to memory of 4588	3396	cmd.exe	95
PID 2188 wrote to memory of 1224	2188	svchost.exe	97
PID 2188 wrote to memory of 1224	2188	svchost.exe	97
PID 2188 wrote to memory of 4912	2188	svchost.exe	101
PID 2188 wrote to memory of 4912	2188	svchost.exe	101
PID 2188 wrote to memory of 3440	2188	svchost.exe	103
PID 2188 wrote to memory of 3440	2188	svchost.exe	103
PID 2188 wrote to memory of 1716	2188	svchost.exe	105
PID 2188 wrote to memory of 1716	2188	svchost.exe	105
PID 2188 wrote to memory of 4324	2188	svchost.exe	107
PID 2188 wrote to memory of 4324	2188	svchost.exe	107

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\XwormLoader.exe
"C:\Users\Admin\AppData\Local\Temp\XwormLoader.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - 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: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\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1224
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4912
- - 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'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3440
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1716
- - 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"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4324
- C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe
  "C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe"
  2⤵
  - Executes dropped EXE
  PID:3288
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD254.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3396
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4588

C:\ProgramData\svchost.exe
C:\ProgramData\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3936

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:932

C:\ProgramData\svchost.exe
C:\ProgramData\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1328

C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe
"C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe"
1⤵
- Executes dropped EXE
PID:3288

C:\ProgramData\svchost.exe
C:\ProgramData\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:368

C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe
"C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe"
1⤵
- Executes dropped EXE
PID:1352

C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe
"C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe"
1⤵
- Executes dropped EXE
PID:3724

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

Replay Monitor

Loading Replay Monitor...

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\CLR_v4.0\UsageLogs\svchost.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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
3737c3eb5510d74c3d6ea770e9ff4ffb

SHA1
88148610a4f00560b06bc8607794d85f15bf3b64

SHA256
b716e0860cc27dd1035a125f44833c5999f4a0429635df6d97634f041b25effa

SHA512
db4db804933ab50bf56130a939040e33a57e4ec056c9e0c598bcae86bbaf093e2a22fd4ec8801f6b029985170f17859a931e63f28a7abb4f91780da2a33e1ebc

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

Filesize
944B

MD5
90a1b01eb025597020b0019eab61428f

SHA1
9151c51fae0622c637fb64a6571b9c146566b408

SHA256
970ac3be73f27831b6a4e46515008cdaa4e7c538c7f90fe54e86e0dbd93d3bf4

SHA512
7dc38f8f43973922e238595acabd6bf7c54eabc910a8575baef9c95e38ba9a285ea2a27a6b8b0c0a356b4771e650c65879652676767307c6a0f9af954d194afb

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

Filesize
14.9MB

MD5
db51a102eab752762748a2dec8f7f67a

SHA1
194688ec1511b83063f7b0167ae250764b7591d1

SHA256
93e5e7f018053c445c521b010caff89e61f61743635db3500aad32d6e495abb2

SHA512
fb2fb6605a17fedb65e636cf3716568e85b8ea423c23e0513eb87f3a3441e2cabc4c3e6346225a9bf7b81e97470f3ab516feea649a7afb5cdf02faff8d7f09a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zz0mk1cd.0sv.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\tmpD254.tmp.bat

Filesize
163B

MD5
47f7f61fa60a339ecd33afb909e5db31

SHA1
a42d7cd7346c5b06c2e723883d3616d7f438cdf2

SHA256
6352db9259093ed23ac7f81ebba4892fe43b060c2568d95bae74e27f42476ff6

SHA512
10177dc1db05ee86cba265b87315ac456a8ad4fc9b6fe0c76442577ca155dd33200df536b910ce233f4689364fe900f11c69c9cffa8338beb14a999c24eba0af

Download Submit
memory/1224-55-0x000002BA1D600000-0x000002BA1D74E000-memory.dmp

Filesize
1.3MB

Download
memory/1224-45-0x000002BA04C50000-0x000002BA04C72000-memory.dmp

Filesize
136KB

Download
memory/1716-92-0x000001DBCE660000-0x000001DBCE7AE000-memory.dmp

Filesize
1.3MB

Download
memory/2188-21-0x0000000000B80000-0x0000000000BAA000-memory.dmp

Filesize
168KB

Download
memory/2188-20-0x00007FF957553000-0x00007FF957555000-memory.dmp

Filesize
8KB

Download
memory/3288-94-0x00007FF957550000-0x00007FF958011000-memory.dmp

Filesize
10.8MB

Download
memory/3288-40-0x00000129CB5C0000-0x00000129CC4A8000-memory.dmp

Filesize
14.9MB

Download
memory/3288-41-0x00007FF957550000-0x00007FF958011000-memory.dmp

Filesize
10.8MB

Download
memory/3440-80-0x00000222D4600000-0x00000222D474E000-memory.dmp

Filesize
1.3MB

Download
memory/4828-9-0x00007FF95A830000-0x00007FF95B1D1000-memory.dmp

Filesize
9.6MB

Download
memory/4828-39-0x00007FF95A830000-0x00007FF95B1D1000-memory.dmp

Filesize
9.6MB

Download
memory/4828-34-0x000000001E7F0000-0x000000001ECBE000-memory.dmp

Filesize
4.8MB

Download
memory/4828-35-0x00007FF95A830000-0x00007FF95B1D1000-memory.dmp

Filesize
9.6MB

Download
memory/4828-33-0x00007FF95AAE5000-0x00007FF95AAE6000-memory.dmp

Filesize
4KB

Download
memory/4828-0-0x00007FF95AAE5000-0x00007FF95AAE6000-memory.dmp

Filesize
4KB

Download
memory/4828-6-0x00007FF95A830000-0x00007FF95B1D1000-memory.dmp

Filesize
9.6MB

Download
memory/4828-5-0x00007FF95A830000-0x00007FF95B1D1000-memory.dmp

Filesize
9.6MB

Download
memory/4828-4-0x000000001BC70000-0x000000001BD16000-memory.dmp

Filesize
664KB

Download
memory/4828-3-0x00007FF95A830000-0x00007FF95B1D1000-memory.dmp

Filesize
9.6MB

Download
memory/4828-2-0x00007FF95A830000-0x00007FF95B1D1000-memory.dmp

Filesize
9.6MB

Download
memory/4828-1-0x00007FF95A830000-0x00007FF95B1D1000-memory.dmp

Filesize
9.6MB

Download
memory/4912-68-0x000002247C440000-0x000002247C58E000-memory.dmp

Filesize
1.3MB

Download