xworm | 8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30

General

Target

8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe
Size

70KB
MD5

01417d75f6d4f4e43ab50301bdfed600
SHA1

f71eb0c0c8e43f82338f2ea45b41a434836f77c4
SHA256

8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30
SHA512

3ae6831b2aa620f262f2d7c23194b66cb52eccbd955ee8f2b5ce7cfd3e53f85070000f98a301ec67f4f0426284bd5fdf0c135533fe3c041493781dac91cbe6ac
SSDEEP

1536:ujXe7voXuNLagsO7hdXvxY+CbTX9R6l4OAy8AjubP:E6wXuNLagsO1dpY+CbTtNOB8AQP

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

192.168.0.3:3389

184.190.169.22:3389

192.168.0.8:3389

192.168.0.7:3389

Attributes

Install_directory
%ProgramData%
install_file
Microsoft OneDrive.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1460-1-0x00000000008B0000-0x00000000008C8000-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
800	powershell.exe
376	powershell.exe
3356	powershell.exe
5016	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft OneDrive = "C:\\ProgramData\\Microsoft OneDrive.exe"	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
800	powershell.exe
800	powershell.exe
376	powershell.exe
376	powershell.exe
3356	powershell.exe
3356	powershell.exe
5016	powershell.exe
5016	powershell.exe
1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe
Token: SeDebugPrivilege	800	powershell.exe
Token: SeDebugPrivilege	376	powershell.exe
Token: SeDebugPrivilege	3356	powershell.exe
Token: SeDebugPrivilege	5016	powershell.exe
Token: SeDebugPrivilege	1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 800	1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe	89
PID 1460 wrote to memory of 800	1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe	89
PID 1460 wrote to memory of 376	1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe	92
PID 1460 wrote to memory of 376	1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe	92
PID 1460 wrote to memory of 3356	1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe	95
PID 1460 wrote to memory of 3356	1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe	95
PID 1460 wrote to memory of 5016	1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe	97
PID 1460 wrote to memory of 5016	1460	8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe	97

C:\Users\Admin\AppData\Local\Temp\8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe
"C:\Users\Admin\AppData\Local\Temp\8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1460
- 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\8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:800
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:376
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft OneDrive.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3356
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Microsoft OneDrive.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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
d65ebc84c6b0b52901fb46f5e2b83ab5

SHA1
d036a0c3eb9e1616d0f7f5ca41171060c13a3095

SHA256
d45581b0807a0d04a70ec75e3e4575e73f148e5b4e0d3d325dfbd6400a4bfbd1

SHA512
88ac232e7702ebd53788cf8429d266ae367111bfccf4bc9d40ead25b552347521458ca60d320e2775b5d2edcaf8501251cb2db68b38dc000ac50463fb80865be

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

Filesize
944B

MD5
e58749a7a1826f6ea62df1e2ef63a32b

SHA1
c0bca21658b8be4f37b71eec9578bfefa44f862d

SHA256
0e1f0e684adb40a5d0668df5fed007c9046137d7ae16a1f2f343b139d5f9bc93

SHA512
4cf45b2b11ab31e7f67fff286b29d50ed28cd6043091144c5c0f1348b5f5916ed7479cf985595e6f096b586ab93b4b5dce612f688049b8366a2dd91863e98b70

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3urjpuqi.yfh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/800-13-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

Filesize
10.8MB

Download
memory/800-14-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

Filesize
10.8MB

Download
memory/800-17-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

Filesize
10.8MB

Download
memory/800-12-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

Filesize
10.8MB

Download
memory/800-2-0x00000202CAF40000-0x00000202CAF62000-memory.dmp

Filesize
136KB

Download
memory/1460-1-0x00000000008B0000-0x00000000008C8000-memory.dmp

Filesize
96KB

Download
memory/1460-0-0x00007FFCC7683000-0x00007FFCC7685000-memory.dmp

Filesize
8KB

Download
memory/1460-53-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

Filesize
10.8MB

Download
memory/1460-54-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads