xworm | c96a0fddccd367dbc5422cd5e2036a3f987eccd1cf62a00f5a7b243a74ebcf22

Analysis

max time kernel
150s
max time network
151s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
05/11/2024, 03:11

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General

Target

c njfrDAJ.exe
Size

140KB
MD5

445e516f9ca9d204baa359ee36edc8e0
SHA1

f5a3267afbc73c16620bcc3b332fadd8104d60bf
SHA256

c96a0fddccd367dbc5422cd5e2036a3f987eccd1cf62a00f5a7b243a74ebcf22
SHA512

e315de1fe895123950d88d7e4e9f0f57b3317abf3ebd09f8aa2916f105529b6f9b6ea834c8a318b9a7c565171c08580d5f727c3d043cc797f80f74f5ff141810
SSDEEP

768:Gmcgc7ptu0Nqf4v6hCuuJf27ZZfFWPG9/06OOwh2SjGbn621sIwEk4w00wM:hc7tu0EgwCuuJfKFv9/06OOw4SC+EA

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

147.185.221.22:29307

videos-gsm.gl.at.ply.gg:29307

Mutex

akkHSUfQR3bLHwnR

Attributes

Install_directory
%Temp%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral3/memory/4364-1-0x0000000000230000-0x0000000000258000-memory.dmp	family_xworm
behavioral3/files/0x002c000000045106-60.dat	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
5000	powershell.exe
1164	powershell.exe
5032	powershell.exe
1644	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-1-5-21-584106483-899802418-1877852863-1000\Control Panel\International\Geo\Nation	c njfrDAJ.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ShibaGTV16.lnk	c njfrDAJ.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ShibaGTV16.lnk	c njfrDAJ.exe

Executes dropped EXE 3 IoCs

pid	Process
880	ShibaGTV16
2092	ShibaGTV16
1520	ShibaGTV16

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-1-5-21-584106483-899802418-1877852863-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShibaGTV16 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ShibaGTV16"	c njfrDAJ.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
4940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
5032	powershell.exe
5032	powershell.exe
1644	powershell.exe
1644	powershell.exe
5000	powershell.exe
5000	powershell.exe
1164	powershell.exe
1164	powershell.exe
4364	c njfrDAJ.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4364	c njfrDAJ.exe
Token: SeDebugPrivilege	5032	powershell.exe
Token: SeIncreaseQuotaPrivilege	5032	powershell.exe
Token: SeSecurityPrivilege	5032	powershell.exe
Token: SeTakeOwnershipPrivilege	5032	powershell.exe
Token: SeLoadDriverPrivilege	5032	powershell.exe
Token: SeSystemProfilePrivilege	5032	powershell.exe
Token: SeSystemtimePrivilege	5032	powershell.exe
Token: SeProfSingleProcessPrivilege	5032	powershell.exe
Token: SeIncBasePriorityPrivilege	5032	powershell.exe
Token: SeCreatePagefilePrivilege	5032	powershell.exe
Token: SeBackupPrivilege	5032	powershell.exe
Token: SeRestorePrivilege	5032	powershell.exe
Token: SeShutdownPrivilege	5032	powershell.exe
Token: SeDebugPrivilege	5032	powershell.exe
Token: SeSystemEnvironmentPrivilege	5032	powershell.exe
Token: SeRemoteShutdownPrivilege	5032	powershell.exe
Token: SeUndockPrivilege	5032	powershell.exe
Token: SeManageVolumePrivilege	5032	powershell.exe
Token: 33	5032	powershell.exe
Token: 34	5032	powershell.exe
Token: 35	5032	powershell.exe
Token: 36	5032	powershell.exe
Token: SeDebugPrivilege	1644	powershell.exe
Token: SeIncreaseQuotaPrivilege	1644	powershell.exe
Token: SeSecurityPrivilege	1644	powershell.exe
Token: SeTakeOwnershipPrivilege	1644	powershell.exe
Token: SeLoadDriverPrivilege	1644	powershell.exe
Token: SeSystemProfilePrivilege	1644	powershell.exe
Token: SeSystemtimePrivilege	1644	powershell.exe
Token: SeProfSingleProcessPrivilege	1644	powershell.exe
Token: SeIncBasePriorityPrivilege	1644	powershell.exe
Token: SeCreatePagefilePrivilege	1644	powershell.exe
Token: SeBackupPrivilege	1644	powershell.exe
Token: SeRestorePrivilege	1644	powershell.exe
Token: SeShutdownPrivilege	1644	powershell.exe
Token: SeDebugPrivilege	1644	powershell.exe
Token: SeSystemEnvironmentPrivilege	1644	powershell.exe
Token: SeRemoteShutdownPrivilege	1644	powershell.exe
Token: SeUndockPrivilege	1644	powershell.exe
Token: SeManageVolumePrivilege	1644	powershell.exe
Token: 33	1644	powershell.exe
Token: 34	1644	powershell.exe
Token: 35	1644	powershell.exe
Token: 36	1644	powershell.exe
Token: SeDebugPrivilege	5000	powershell.exe
Token: SeIncreaseQuotaPrivilege	5000	powershell.exe
Token: SeSecurityPrivilege	5000	powershell.exe
Token: SeTakeOwnershipPrivilege	5000	powershell.exe
Token: SeLoadDriverPrivilege	5000	powershell.exe
Token: SeSystemProfilePrivilege	5000	powershell.exe
Token: SeSystemtimePrivilege	5000	powershell.exe
Token: SeProfSingleProcessPrivilege	5000	powershell.exe
Token: SeIncBasePriorityPrivilege	5000	powershell.exe
Token: SeCreatePagefilePrivilege	5000	powershell.exe
Token: SeBackupPrivilege	5000	powershell.exe
Token: SeRestorePrivilege	5000	powershell.exe
Token: SeShutdownPrivilege	5000	powershell.exe
Token: SeDebugPrivilege	5000	powershell.exe
Token: SeSystemEnvironmentPrivilege	5000	powershell.exe
Token: SeRemoteShutdownPrivilege	5000	powershell.exe
Token: SeUndockPrivilege	5000	powershell.exe
Token: SeManageVolumePrivilege	5000	powershell.exe
Token: 33	5000	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4364	c njfrDAJ.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 5032	4364	c njfrDAJ.exe	85
PID 4364 wrote to memory of 5032	4364	c njfrDAJ.exe	85
PID 4364 wrote to memory of 1644	4364	c njfrDAJ.exe	90
PID 4364 wrote to memory of 1644	4364	c njfrDAJ.exe	90
PID 4364 wrote to memory of 5000	4364	c njfrDAJ.exe	92
PID 4364 wrote to memory of 5000	4364	c njfrDAJ.exe	92
PID 4364 wrote to memory of 1164	4364	c njfrDAJ.exe	94
PID 4364 wrote to memory of 1164	4364	c njfrDAJ.exe	94
PID 4364 wrote to memory of 4940	4364	c njfrDAJ.exe	97
PID 4364 wrote to memory of 4940	4364	c njfrDAJ.exe	97

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\c njfrDAJ.exe
"C:\Users\Admin\AppData\Local\Temp\c njfrDAJ.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:4364
- 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\c njfrDAJ.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5032
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'c njfrDAJ.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1644
- 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\ShibaGTV16'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5000
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ShibaGTV16'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1164
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ShibaGTV16" /tr "C:\Users\Admin\AppData\Local\Temp\ShibaGTV16"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4940

C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
"C:\Users\Admin\AppData\Local\Temp\ShibaGTV16"
1⤵
- Executes dropped EXE
PID:880

C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
"C:\Users\Admin\AppData\Local\Temp\ShibaGTV16"
1⤵
- Executes dropped EXE
PID:2092

C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
"C:\Users\Admin\AppData\Local\Temp\ShibaGTV16"
1⤵
- Executes dropped EXE
PID:1520

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

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

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\ShibaGTV16.log

Filesize
654B

MD5
11c6e74f0561678d2cf7fc075a6cc00c

SHA1
535ee79ba978554abcb98c566235805e7ea18490

SHA256
d39a78fabca39532fcb85ce908781a75132e1bd01cc50a3b290dd87127837d63

SHA512
32c63d67bf512b42e7f57f71287b354200126cb417ef9d869c72e0b9388a7c2f5e3b61f303f1353baa1bf482d0f17e06e23c9f50b2f1babd4d958b6da19c40b0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

Filesize
1KB

MD5
c67441dfa09f61bca500bb43407c56b8

SHA1
5a56cf7cbeb48c109e2128c31b681fac3959157b

SHA256
63082da456c124d0bc516d2161d1613db5f3008d903e4066d2c7b4e90b435f33

SHA512
325de8b718b3a01df05e20e028c5882240e5fd2e96c771361b776312923ff178f27494a1f5249bf6d7365a99155eb8735a51366e85597008e6a10462e63ee0e8

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

Filesize
1KB

MD5
54734eb92ecd55261ca51bcc4e61aaa1

SHA1
5727e74d66bef0525a0e3c22de3e20210b98848c

SHA256
010859ddbcf7fc284ca21694f2377f5a5e9cd278085eaea9c06bf985b711d953

SHA512
7bf9d603a28bbd051ce5d8fd0b39ecf094ee2a0e2cfcc7cc806364de4807781f42e9b8bef1106d2840f8b363684b034273ad8bd7a04f5dcf3b00d4de825dc0fd

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

Filesize
1KB

MD5
97c2358487296b93078d9bb570e6cd70

SHA1
d3f2cdfc9dc76faf4d7c058ed2e4ef3c57350d36

SHA256
ced4c1fda75605496381f9b7db7f4ad52cba3b932d4cc0f1f8a5c4c3c57c3896

SHA512
5ae1e63bb8c92ddf6272387259c269bb705839bea378dff2a27ebd6d45f66edcdcfe4094202578d9f2339a939082451dd1fab29af5348673d13ddd312aa35ac1

Download Submit
C:\Users\Admin\AppData\Local\Temp\ShibaGTV16

Filesize
140KB

MD5
445e516f9ca9d204baa359ee36edc8e0

SHA1
f5a3267afbc73c16620bcc3b332fadd8104d60bf

SHA256
c96a0fddccd367dbc5422cd5e2036a3f987eccd1cf62a00f5a7b243a74ebcf22

SHA512
e315de1fe895123950d88d7e4e9f0f57b3317abf3ebd09f8aa2916f105529b6f9b6ea834c8a318b9a7c565171c08580d5f727c3d043cc797f80f74f5ff141810

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ke055h23.fjt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4364-1-0x0000000000230000-0x0000000000258000-memory.dmp

Filesize
160KB

Download
memory/4364-0-0x00007FFCAB873000-0x00007FFCAB875000-memory.dmp

Filesize
8KB

Download
memory/4364-59-0x00007FFCAB870000-0x00007FFCAC332000-memory.dmp

Filesize
10.8MB

Download
memory/4364-58-0x00007FFCAB873000-0x00007FFCAB875000-memory.dmp

Filesize
8KB

Download
memory/4364-57-0x00007FFCAB870000-0x00007FFCAC332000-memory.dmp

Filesize
10.8MB

Download
memory/5032-12-0x00007FFCAB870000-0x00007FFCAC332000-memory.dmp

Filesize
10.8MB

Download
memory/5032-19-0x00007FFCAB870000-0x00007FFCAC332000-memory.dmp

Filesize
10.8MB

Download
memory/5032-16-0x00007FFCAB870000-0x00007FFCAC332000-memory.dmp

Filesize
10.8MB

Download
memory/5032-15-0x00007FFCAB870000-0x00007FFCAC332000-memory.dmp

Filesize
10.8MB

Download
memory/5032-14-0x00007FFCAB870000-0x00007FFCAC332000-memory.dmp

Filesize
10.8MB

Download
memory/5032-13-0x00007FFCAB870000-0x00007FFCAC332000-memory.dmp

Filesize
10.8MB

Download
memory/5032-11-0x0000024B7D230000-0x0000024B7D252000-memory.dmp

Filesize
136KB

Download