xworm | 0e7104024d8eda4017d891550c1bcc2f5dd9ed80e9ac996898e5cf82a8919a12

General

Target

RedTigerSetup.exe
Size

308KB
MD5

08bd9d8eadefed4a4b7323d0027de5b6
SHA1

e165b2a08c8fe165ab8623ad2f1897d67f426ce2
SHA256

0e7104024d8eda4017d891550c1bcc2f5dd9ed80e9ac996898e5cf82a8919a12
SHA512

108797ae485ef95640496fbca226af9185811c9e6d35d46925e66b7bab9ba1ec9c81142ac24d5a561bd603c2cb5f12c49e5a1510d33ffd5474085fda23e6c9cc
SSDEEP

3072:tMPMabg5GKQfjkHVOBpaIEzgmn8d0oX3XEH9eRrPEX+FzwEenQ1/8rEXKuFA9:tMlbIofIH37Z80qXEHwRzkEzfmoy

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

agency-lottery.gl.at.ply.gg:21526

Attributes

Install_directory
%AppData%
install_file
startup.exe
telegram
https://api.telegram.org/bot7319597697:AAHEbms2pAMZzB0yEpJIAUJdEfo9KHqsC4g/sendMessage?chat_id=7534517325

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4016-1-0x0000000000820000-0x0000000000872000-memory.dmp	family_xworm
behavioral2/files/0x000d000000023456-60.dat	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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
1164	powershell.exe
3620	powershell.exe
4976	powershell.exe
4844	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	RedTigerSetup.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
720	startup.exe
3768	startup.exe

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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\startup = "C:\\Users\\Admin\\AppData\\Roaming\\startup.exe"	RedTigerSetup.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
23	ip-api.com

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
3204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3620	powershell.exe
3620	powershell.exe
4976	powershell.exe
4976	powershell.exe
4844	powershell.exe
4844	powershell.exe
1164	powershell.exe
1164	powershell.exe
4016	RedTigerSetup.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4016	RedTigerSetup.exe
Token: SeDebugPrivilege	3620	powershell.exe
Token: SeDebugPrivilege	4976	powershell.exe
Token: SeDebugPrivilege	4844	powershell.exe
Token: SeDebugPrivilege	1164	powershell.exe
Token: SeDebugPrivilege	4016	RedTigerSetup.exe
Token: SeDebugPrivilege	720	startup.exe
Token: SeDebugPrivilege	3768	startup.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4016	RedTigerSetup.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 3620	4016	RedTigerSetup.exe	93
PID 4016 wrote to memory of 3620	4016	RedTigerSetup.exe	93
PID 4016 wrote to memory of 4976	4016	RedTigerSetup.exe	95
PID 4016 wrote to memory of 4976	4016	RedTigerSetup.exe	95
PID 4016 wrote to memory of 4844	4016	RedTigerSetup.exe	97
PID 4016 wrote to memory of 4844	4016	RedTigerSetup.exe	97
PID 4016 wrote to memory of 1164	4016	RedTigerSetup.exe	99
PID 4016 wrote to memory of 1164	4016	RedTigerSetup.exe	99
PID 4016 wrote to memory of 3204	4016	RedTigerSetup.exe	102
PID 4016 wrote to memory of 3204	4016	RedTigerSetup.exe	102

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\RedTigerSetup.exe
"C:\Users\Admin\AppData\Local\Temp\RedTigerSetup.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:4016
- 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\RedTigerSetup.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3620
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RedTigerSetup.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4976
- 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\startup.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4844
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'startup.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1164
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "startup" /tr "C:\Users\Admin\AppData\Roaming\startup.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3204

C:\Users\Admin\AppData\Roaming\startup.exe
C:\Users\Admin\AppData\Roaming\startup.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:720

C:\Users\Admin\AppData\Roaming\startup.exe
C:\Users\Admin\AppData\Roaming\startup.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3768

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

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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\CLR_v4.0\UsageLogs\startup.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
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

Filesize
944B

MD5
0093819c829dd30c13746f256efba97f

SHA1
f095cbb1d10a54a91d7d341c4098d44973d3ec50

SHA256
5f936c252c9ed7d08d4a73b86230d9877173b44c36544f0b24eae3eb38617401

SHA512
72aac852de41473494d2263aa44dbabfb1f318f8a21ebdfe080c4a98b9288db07e9641a935d9a640b5e879f28a0560cae53bd4191ac94d315b87746e57e69af2

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

Filesize
944B

MD5
ce4540390cc4841c8973eb5a3e9f4f7d

SHA1
2293f30a6f4c9538bc5b06606c10a50ab4ecef8e

SHA256
e834e1da338b9644d538cefd70176768816da2556939c1255d386931bd085105

SHA512
2a3e466cb5a81d2b65256053b768a98321eb3e65ff46353eefc9864f14a391748116f050e7482ddd73a51575bf0a6fc5c673023dade62dbd8b174442bae1cc6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lhj5rhcf.4w0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\startup.exe

Filesize
308KB

MD5
08bd9d8eadefed4a4b7323d0027de5b6

SHA1
e165b2a08c8fe165ab8623ad2f1897d67f426ce2

SHA256
0e7104024d8eda4017d891550c1bcc2f5dd9ed80e9ac996898e5cf82a8919a12

SHA512
108797ae485ef95640496fbca226af9185811c9e6d35d46925e66b7bab9ba1ec9c81142ac24d5a561bd603c2cb5f12c49e5a1510d33ffd5474085fda23e6c9cc

Download Submit
memory/3620-3-0x00007FF95A470000-0x00007FF95AF31000-memory.dmp

Filesize
10.8MB

Download
memory/3620-18-0x00007FF95A470000-0x00007FF95AF31000-memory.dmp

Filesize
10.8MB

Download
memory/3620-15-0x00007FF95A470000-0x00007FF95AF31000-memory.dmp

Filesize
10.8MB

Download
memory/3620-14-0x00007FF95A470000-0x00007FF95AF31000-memory.dmp

Filesize
10.8MB

Download
memory/3620-9-0x0000025776420000-0x0000025776442000-memory.dmp

Filesize
136KB

Download
memory/4016-0-0x00007FF95A473000-0x00007FF95A475000-memory.dmp

Filesize
8KB

Download
memory/4016-57-0x00007FF95A473000-0x00007FF95A475000-memory.dmp

Filesize
8KB

Download
memory/4016-58-0x00007FF95A470000-0x00007FF95AF31000-memory.dmp

Filesize
10.8MB

Download
memory/4016-2-0x00007FF95A470000-0x00007FF95AF31000-memory.dmp

Filesize
10.8MB

Download
memory/4016-1-0x0000000000820000-0x0000000000872000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads