xworm | 238bd89de11cbe6b00e7bf57f13863394bed494b73d09570011f27b87270b51a

General

Target

XwormV5.6.exe
Size

7.7MB
MD5

027ad6a104d074597068c1781cc0c90d
SHA1

b489c6f4d29db588ecfc65df7ea92d6c23de4a20
SHA256

238bd89de11cbe6b00e7bf57f13863394bed494b73d09570011f27b87270b51a
SHA512

0e3beecff23c8d426d859758b5c9aa4490e5d47ea69e4301c73fe499bd6535ec8dfe22dae552c8e14203d78768cd2ccfb70f78e876de2ba4b2532cf502b40e4f
SSDEEP

196608:xKLCFU/jHq/puROyhxeyOC7+oiRkbtejBe5:xmq/pkOYxehohbt

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:18194

soon-logical.gl.at.ply.gg:18194

Mutex

APoxCrOmNOvTLB4L

Attributes

Install_directory
%Userprofile%
install_file
chrome.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023c93-18.dat	family_xworm
behavioral2/memory/1712-30-0x0000000000240000-0x0000000000250000-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
3328	powershell.exe
4436	powershell.exe
3196	powershell.exe
1632	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	XwormV5.6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	start.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
3112	Xworm V5.6.exe
1712	start.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "C:\\Users\\Admin\\chrome.exe"	start.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
3328	powershell.exe
3328	powershell.exe
4436	powershell.exe
4436	powershell.exe
3196	powershell.exe
3196	powershell.exe
1632	powershell.exe
1632	powershell.exe
1712	start.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	start.exe
Token: SeDebugPrivilege	3328	powershell.exe
Token: SeDebugPrivilege	4436	powershell.exe
Token: SeDebugPrivilege	3196	powershell.exe
Token: SeDebugPrivilege	1632	powershell.exe
Token: SeDebugPrivilege	1712	start.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1712	start.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 3112	2992	XwormV5.6.exe	83
PID 2992 wrote to memory of 3112	2992	XwormV5.6.exe	83
PID 2992 wrote to memory of 1712	2992	XwormV5.6.exe	84
PID 2992 wrote to memory of 1712	2992	XwormV5.6.exe	84
PID 1712 wrote to memory of 3328	1712	start.exe	85
PID 1712 wrote to memory of 3328	1712	start.exe	85
PID 1712 wrote to memory of 4436	1712	start.exe	88
PID 1712 wrote to memory of 4436	1712	start.exe	88
PID 1712 wrote to memory of 3196	1712	start.exe	90
PID 1712 wrote to memory of 3196	1712	start.exe	90
PID 1712 wrote to memory of 1632	1712	start.exe	92
PID 1712 wrote to memory of 1632	1712	start.exe	92

C:\Users\Admin\AppData\Local\Temp\XwormV5.6.exe
"C:\Users\Admin\AppData\Local\Temp\XwormV5.6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe
  "C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe"
  2⤵
  - Executes dropped EXE
  PID:3112
- C:\Users\Admin\AppData\Local\Temp\start.exe
  "C:\Users\Admin\AppData\Local\Temp\start.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1712
- - 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\start.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3328
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'start.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4436
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\chrome.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3196
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'chrome.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1632

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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
944B

MD5
96e3b86880fedd5afc001d108732a3e5

SHA1
8fc17b39d744a9590a6d5897012da5e6757439a3

SHA256
c3077e4cadb4ed246c02abe55aa6cf832fee4c2546b7addb7d22cd1c7c8c1294

SHA512
909b1968f7204fa7029109b02232d8cc5438f6b4dc7c9044e4e47c59fcee538199b13029e36592b12ed573d48a308dd4822d2ced4129ab08d4111897e02be55d

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

Filesize
944B

MD5
2253c665505da63342ef14dd8197f0b5

SHA1
466f37281031aea4ac775d9fb8e91489a85faf82

SHA256
27948dca356cfdff3a5480bdca63a66963505ad1bdc7ff42d1380bf418667436

SHA512
c45fd978256c168493b900ffddded099e0717068b772012bdebfcdcb2377f7a4adf2b968eb37125ed98fdcfb277c9f81fa02f90cfec60f4915d3027c27d7da0d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe

Filesize
14.9MB

MD5
56ccb739926a725e78a7acf9af52c4bb

SHA1
5b01b90137871c3c8f0d04f510c4d56b23932cbc

SHA256
90f58865f265722ab007abb25074b3fc4916e927402552c6be17ef9afac96405

SHA512
2fee662bc4a1a36ce7328b23f991fa4a383b628839e403d6eb6a9533084b17699a6c939509867a86e803aafef2f9def98fa9305b576dad754aa7f599920c19a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_emqbxgz2.zeu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\start.exe

Filesize
39KB

MD5
51e4348a35c9b40b0136fa204442f9c2

SHA1
aea47a3a717ca9cce49966093def7d8f5a53709a

SHA256
a8047efe920772b13508683a7d80de379b0cf2dc40b39a9cd37f949de6a90479

SHA512
f15353f1b29ead57efe865935ef0cbd9efa2f0e81e47a92993279a59ea4174fde1e9bb2546c35deda6cfa641cfa0ecd58f8a2f6006f0589ce95553d7debfa3bd

Download Submit
memory/1712-30-0x0000000000240000-0x0000000000250000-memory.dmp

Filesize
64KB

Download
memory/1712-85-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

Filesize
10.8MB

Download
memory/1712-27-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

Filesize
10.8MB

Download
memory/1712-84-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

Filesize
10.8MB

Download
memory/1712-81-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

Filesize
10.8MB

Download
memory/2992-1-0x0000000000AA0000-0x0000000001256000-memory.dmp

Filesize
7.7MB

Download
memory/2992-2-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

Filesize
10.8MB

Download
memory/2992-28-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

Filesize
10.8MB

Download
memory/2992-0-0x00007FF9D97A3000-0x00007FF9D97A5000-memory.dmp

Filesize
8KB

Download
memory/3112-26-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

Filesize
10.8MB

Download
memory/3112-82-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

Filesize
10.8MB

Download
memory/3112-83-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

Filesize
10.8MB

Download
memory/3112-29-0x000001E0A6FC0000-0x000001E0A7EA8000-memory.dmp

Filesize
14.9MB

Download
memory/3328-37-0x0000028D7A730000-0x0000028D7A752000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads