xworm | c96a0fddccd367dbc5422cd5e2036a3f987eccd1cf62a00f5a7b243a74ebcf22

Reason

Machine shutdown

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

C2

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

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral4/memory/5420-63-0x000000001B890000-0x000000001B89E000-memory.dmp	disable_win_def

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral4/memory/5420-1-0x0000000000670000-0x0000000000698000-memory.dmp	family_xworm
behavioral4/files/0x004d00000002aaa3-56.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
2444	powershell.exe
4900	powershell.exe
5192	powershell.exe
1168	powershell.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 2 IoCs

pid	Process
2300	ShibaGTV16
3068	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-1-5-21-4018527317-446799424-2810249686-1000\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
224	schtasks.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2444	powershell.exe
2444	powershell.exe
4900	powershell.exe
4900	powershell.exe
5192	powershell.exe
5192	powershell.exe
1168	powershell.exe
1168	powershell.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe
5420	c njfrDAJ.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	5420	c njfrDAJ.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	4900	powershell.exe
Token: SeDebugPrivilege	5192	powershell.exe
Token: SeDebugPrivilege	1168	powershell.exe
Token: SeDebugPrivilege	5420	c njfrDAJ.exe
Token: SeDebugPrivilege	2300	ShibaGTV16
Token: SeDebugPrivilege	3068	ShibaGTV16
Token: SeShutdownPrivilege	5420	c njfrDAJ.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5420	c njfrDAJ.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5420 wrote to memory of 2444	5420	c njfrDAJ.exe	77
PID 5420 wrote to memory of 2444	5420	c njfrDAJ.exe	77
PID 5420 wrote to memory of 4900	5420	c njfrDAJ.exe	79
PID 5420 wrote to memory of 4900	5420	c njfrDAJ.exe	79
PID 5420 wrote to memory of 5192	5420	c njfrDAJ.exe	81
PID 5420 wrote to memory of 5192	5420	c njfrDAJ.exe	81
PID 5420 wrote to memory of 1168	5420	c njfrDAJ.exe	83
PID 5420 wrote to memory of 1168	5420	c njfrDAJ.exe	83
PID 5420 wrote to memory of 224	5420	c njfrDAJ.exe	85
PID 5420 wrote to memory of 224	5420	c njfrDAJ.exe	85

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⤵
- 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:5420
- 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:2444
- 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:4900
- 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:5192
- 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
  - Suspicious use of AdjustPrivilegeToken
  PID:1168
- 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:224

C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2300

C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\ShibaGTV16.log

Filesize
654B

MD5
2cbbb74b7da1f720b48ed31085cbd5b8

SHA1
79caa9a3ea8abe1b9c4326c3633da64a5f724964

SHA256
e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

SHA512
ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

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

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
2e8eb51096d6f6781456fef7df731d97

SHA1
ec2aaf851a618fb43c3d040a13a71997c25bda43

SHA256
96bfd9dd5883329927fe8c08b8956355a1a6ceb30ceeb5d4252b346df32bc864

SHA512
0a73dc9a49f92d9dd556c2ca2e36761890b3538f355ee1f013e7cf648d8c4d065f28046cd4a167db3dea304d1fbcbcea68d11ce6e12a3f20f8b6c018a60422d2

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

Filesize
944B

MD5
781da0576417bf414dc558e5a315e2be

SHA1
215451c1e370be595f1c389f587efeaa93108b4c

SHA256
41a5aef8b0bbeea2766f40a7bba2c78322379f167c610f7055ccb69e7db030fe

SHA512
24e283aa30a2903ebe154dad49b26067a45e46fec57549ad080d3b9ec3f272044efaaed3822d067837f5521262192f466c47195ffe7f75f8c7c5dcf3159ea737

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

Filesize
944B

MD5
050567a067ffea4eb40fe2eefebdc1ee

SHA1
6e1fb2c7a7976e0724c532449e97722787a00fec

SHA256
3952d5b543e5cb0cb84014f4ad9f5f1b7166f592d28640cbc3d914d0e6f41d2e

SHA512
341ad71ef7e850b10e229666312e4bca87a0ed9fe25ba4b0ab65661d5a0efa855db0592153106da07134d8fc2c6c0e44709bf38183c9a574a1fa543189971259

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_c1xdjsnd.y4i.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2444-12-0x00007FF994250000-0x00007FF994D12000-memory.dmp

Filesize
10.8MB

Download
memory/2444-10-0x00000256D1B80000-0x00000256D1BA2000-memory.dmp

Filesize
136KB

Download
memory/2444-18-0x00007FF994250000-0x00007FF994D12000-memory.dmp

Filesize
10.8MB

Download
memory/2444-14-0x00007FF994250000-0x00007FF994D12000-memory.dmp

Filesize
10.8MB

Download
memory/2444-13-0x00007FF994250000-0x00007FF994D12000-memory.dmp

Filesize
10.8MB

Download
memory/2444-15-0x00007FF994250000-0x00007FF994D12000-memory.dmp

Filesize
10.8MB

Download
memory/2444-11-0x00007FF994250000-0x00007FF994D12000-memory.dmp

Filesize
10.8MB

Download
memory/5420-53-0x00007FF994250000-0x00007FF994D12000-memory.dmp

Filesize
10.8MB

Download
memory/5420-54-0x00007FF994253000-0x00007FF994255000-memory.dmp

Filesize
8KB

Download
memory/5420-55-0x00007FF994250000-0x00007FF994D12000-memory.dmp

Filesize
10.8MB

Download
memory/5420-0-0x00007FF994253000-0x00007FF994255000-memory.dmp

Filesize
8KB

Download
memory/5420-1-0x0000000000670000-0x0000000000698000-memory.dmp

Filesize
160KB

Download
memory/5420-62-0x00000000027C0000-0x00000000027CA000-memory.dmp

Filesize
40KB

Download
memory/5420-63-0x000000001B890000-0x000000001B89E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads