xworm | a52967cd57ab936447fb9d631ea2c1caa904aa37b698ac18919d57e42017df55

General

Target

ILOADER.exe
Size

102KB
MD5

f3071053a4a5b7c6116390e2d4aed29d
SHA1

5056680a6e64137d31edfcd8a163225c642badc9
SHA256

a52967cd57ab936447fb9d631ea2c1caa904aa37b698ac18919d57e42017df55
SHA512

db7398671f2c9e49d81691edb7157f6dc98eea14e9034bbbf86a21a1ad190d4b3a04a6a640979dc3e7535e9ca4c62a68aa4df0c9d6c3f78c59724842eceb1f0d
SSDEEP

3072:H3/zbgow3dlSHbG+btjnOBQnC3GDNdZwCxaOKFmh5:H3/vgZsPbpCKGLMh

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

26.ip.gl.ply.gg:45556

Attributes

Install_directory
%AppData%
install_file
svchost.exe
telegram
https://api.telegram.org/bot7993755657:AAFO640EjOsY8e2cOR8daPzBSHn1uGW4C9s/sendMessage?chat_id=6749074492

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3600-1-0x0000000000AE0000-0x0000000000AFE000-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
2936	powershell.exe
2100	powershell.exe
1348	powershell.exe
2392	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-1-5-21-1874072718-2205492803-118941907-1000\Control Panel\International\Geo\Nation	ILOADER.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-1-5-21-1874072718-2205492803-118941907-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	ILOADER.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
2936	powershell.exe
2936	powershell.exe
2100	powershell.exe
2100	powershell.exe
1348	powershell.exe
1348	powershell.exe
2392	powershell.exe
2392	powershell.exe
3600	ILOADER.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3600	ILOADER.exe
Token: SeDebugPrivilege	2936	powershell.exe
Token: SeDebugPrivilege	2100	powershell.exe
Token: SeDebugPrivilege	1348	powershell.exe
Token: SeDebugPrivilege	2392	powershell.exe
Token: SeDebugPrivilege	3600	ILOADER.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3600	ILOADER.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 2936	3600	ILOADER.exe	90
PID 3600 wrote to memory of 2936	3600	ILOADER.exe	90
PID 3600 wrote to memory of 2100	3600	ILOADER.exe	94
PID 3600 wrote to memory of 2100	3600	ILOADER.exe	94
PID 3600 wrote to memory of 1348	3600	ILOADER.exe	96
PID 3600 wrote to memory of 1348	3600	ILOADER.exe	96
PID 3600 wrote to memory of 2392	3600	ILOADER.exe	98
PID 3600 wrote to memory of 2392	3600	ILOADER.exe	98

C:\Users\Admin\AppData\Local\Temp\ILOADER.exe
"C:\Users\Admin\AppData\Local\Temp\ILOADER.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:3600
- 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\ILOADER.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2936
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ILOADER.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2100
- 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\svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1348
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2392

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

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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
465286a9b31a4fa4831f9d3a2925c88e

SHA1
4ba832802f83872ff47a59ace1057bceb38a1955

SHA256
24522f12ccd8284ed705803f2c1a3b12ba7d675d300fed443ca9eb55fead55fb

SHA512
84e4d5f00257670fea86e4397f3b814174609daf24488a82c4ce726f81b5891561a8c56d4053c76a8bc27318685d482dae5e15ba28c1cd14049c15bd552f95f5

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\Temp\__PSScriptPolicyTest_iqbns3s3.ze1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2936-13-0x00007FFFF2A90000-0x00007FFFF3551000-memory.dmp

Filesize
10.8MB

Download
memory/2936-14-0x00007FFFF2A90000-0x00007FFFF3551000-memory.dmp

Filesize
10.8MB

Download
memory/2936-17-0x00007FFFF2A90000-0x00007FFFF3551000-memory.dmp

Filesize
10.8MB

Download
memory/2936-12-0x00007FFFF2A90000-0x00007FFFF3551000-memory.dmp

Filesize
10.8MB

Download
memory/2936-2-0x00000210AE970000-0x00000210AE992000-memory.dmp

Filesize
136KB

Download
memory/3600-0-0x00007FFFF2A93000-0x00007FFFF2A95000-memory.dmp

Filesize
8KB

Download
memory/3600-1-0x0000000000AE0000-0x0000000000AFE000-memory.dmp

Filesize
120KB

Download
memory/3600-53-0x00007FFFF2A93000-0x00007FFFF2A95000-memory.dmp

Filesize
8KB

Download
memory/3600-54-0x00007FFFF2A90000-0x00007FFFF3551000-memory.dmp

Filesize
10.8MB

Download
memory/3600-55-0x00007FFFF2A90000-0x00007FFFF3551000-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