xworm | 014f0079149caead324ea0d3adb18d65f607662b8725da7fec7628de4acf828f

General

Target

fixerformultitool.exe
Size

79KB
MD5

2f7fb28cf91e8ccb2257834f9136cfd6
SHA1

b8f0f86c33bf46a8af745caf4bc0a8d5878e75f1
SHA256

014f0079149caead324ea0d3adb18d65f607662b8725da7fec7628de4acf828f
SHA512

4e0b8e0268346ddcd5c23d34c8c556eef66994d8c01f06bb5bd19cf1c25f00ee76ad8d0e1edb012ed64ba86a63cbcdb806595cc7d9dfc8ef4d31a4b6ef99c236
SSDEEP

1536:KPlF7XxO2o6rx59bm1AXR8x8KG6GaOD2srtdn+6:KrXcID9bm1k9KHOD2sr/+6

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

bad-motor.gl.at.ply.gg:4444

Attributes

Install_directory
%AppData%
install_file
USB.exe
telegram
https://api.telegram.org/bot7704029346:AAHPre1lXQa0UfPCpOUXJZ9UXA9mFxvH4Gk/sendMessage?chat_id=7590668020

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2756-1-0x0000000000BB0000-0x0000000000BCA000-memory.dmp	family_xworm
behavioral2/files/0x000e000000023b78-57.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
1404	powershell.exe
3588	powershell.exe
1148	powershell.exe
4404	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	fixerformultitool.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
3972	security
1060	security

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\security = "C:\\Users\\Admin\\AppData\\Roaming\\security"	fixerformultitool.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
3892	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2756	fixerformultitool.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4404	powershell.exe
4404	powershell.exe
1404	powershell.exe
1404	powershell.exe
3588	powershell.exe
3588	powershell.exe
1148	powershell.exe
1148	powershell.exe
2756	fixerformultitool.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	fixerformultitool.exe
Token: SeDebugPrivilege	4404	powershell.exe
Token: SeDebugPrivilege	1404	powershell.exe
Token: SeDebugPrivilege	3588	powershell.exe
Token: SeDebugPrivilege	1148	powershell.exe
Token: SeDebugPrivilege	2756	fixerformultitool.exe
Token: SeDebugPrivilege	3972	security
Token: SeDebugPrivilege	1060	security

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2756	fixerformultitool.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 4404	2756	fixerformultitool.exe	82
PID 2756 wrote to memory of 4404	2756	fixerformultitool.exe	82
PID 2756 wrote to memory of 1404	2756	fixerformultitool.exe	84
PID 2756 wrote to memory of 1404	2756	fixerformultitool.exe	84
PID 2756 wrote to memory of 3588	2756	fixerformultitool.exe	88
PID 2756 wrote to memory of 3588	2756	fixerformultitool.exe	88
PID 2756 wrote to memory of 1148	2756	fixerformultitool.exe	90
PID 2756 wrote to memory of 1148	2756	fixerformultitool.exe	90
PID 2756 wrote to memory of 3892	2756	fixerformultitool.exe	94
PID 2756 wrote to memory of 3892	2756	fixerformultitool.exe	94

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\fixerformultitool.exe
"C:\Users\Admin\AppData\Local\Temp\fixerformultitool.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2756
- 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\fixerformultitool.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4404
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'fixerformultitool.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1404
- 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\security'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3588
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'security'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1148
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "security" /tr "C:\Users\Admin\AppData\Roaming\security"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3892

C:\Users\Admin\AppData\Roaming\security
C:\Users\Admin\AppData\Roaming\security
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3972

C:\Users\Admin\AppData\Roaming\security
C:\Users\Admin\AppData\Roaming\security
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1060

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

2

T1012

System Information Discovery

2

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\security.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
10890cda4b6eab618e926c4118ab0647

SHA1
1e1d63b73a0e6c7575f458b3c7917a9ce5ba776d

SHA256
00f8a035324d39bd62e6dee5e1b480069015471c487ebee4479e6990ea9ddb14

SHA512
a2ee84006c24a36f25e0bca0772430d64e3791f233da916aecdeae6712763e77d55bbbd00dc8f6b2b3887f3c26ab3980b96c5f46cc823e81e28abbbc5fc78221

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

Filesize
944B

MD5
51f9d762b3c13f70bba51fe4a13536f5

SHA1
485f0b62715a1625670b177a54cbc2268caa980c

SHA256
00aa6b15dd7333a867931d8f72e252a63702ec078ffccbc5d42a9448129521ad

SHA512
a9ff4617b426eaa4fca1b51a9e15e93b376617cba83e35b7406ece09119cb5693c23bc7f9dd8ae5b42223447c17cd8ab9de1d58da9d3170be3c5a38062a03997

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_stmgzvsh.cip.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\security

Filesize
79KB

MD5
2f7fb28cf91e8ccb2257834f9136cfd6

SHA1
b8f0f86c33bf46a8af745caf4bc0a8d5878e75f1

SHA256
014f0079149caead324ea0d3adb18d65f607662b8725da7fec7628de4acf828f

SHA512
4e0b8e0268346ddcd5c23d34c8c556eef66994d8c01f06bb5bd19cf1c25f00ee76ad8d0e1edb012ed64ba86a63cbcdb806595cc7d9dfc8ef4d31a4b6ef99c236

Download Submit
memory/2756-55-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/2756-0-0x00007FFA2F173000-0x00007FFA2F175000-memory.dmp

Filesize
8KB

Download
memory/2756-56-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/2756-1-0x0000000000BB0000-0x0000000000BCA000-memory.dmp

Filesize
104KB

Download
memory/4404-17-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4404-14-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4404-13-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4404-12-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4404-7-0x0000016CE2910000-0x0000016CE2932000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads