xworm | 36ed94fb9f8ef3f5cbf8494ff6400d0be353ae7c223ed209bd85d466d1ba1ff7

Analysis

max time kernel
92s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2023 13:04

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General

Target

test.exe
Size

8KB
MD5

dc0d40579447b035d980cf0b8cd7667c
SHA1

c907f983cb27d5caec6c941e0712afcc973487d0
SHA256

36ed94fb9f8ef3f5cbf8494ff6400d0be353ae7c223ed209bd85d466d1ba1ff7
SHA512

ed37522b52b617877b5e5f7023a0138baf396c0b33393d6155dbb6bfa4b3347b737e5493cbde634fa1937d0094a7b9b543929e6f32b35331a8c6dc838f38d51b
SSDEEP

96:5g48vbNEbfZlmg9fVFBHDqPkNR0bejUoKKeyDvYKx4YG4qyZQFq+zNt:5ghJufi6tXy20Kj2KeyDQKqYXqMQMY

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

5.182.87.154:7000

Mutex

zOHUDGi83XoNMjdZ

Attributes

Install_directory
%Temp%
install_file
MSruntime.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4064-11-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

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-1-5-21-1791582586-1997866593-3795608343-1000\Control Panel\International\Geo\Nation	test.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MSruntime.lnk	test.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MSruntime.lnk	test.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-1-5-21-1791582586-1997866593-3795608343-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Xqwujeb = "C:\\Users\\Admin\\AppData\\Roaming\\Xqwujeb.exe"	test.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 4064	2420	test.exe	92

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2420	test.exe
2420	test.exe
3616	powershell.exe
3616	powershell.exe
2364	powershell.exe
2364	powershell.exe
4384	powershell.exe
4384	powershell.exe
4792	powershell.exe
4792	powershell.exe
4064	test.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	test.exe
Token: SeDebugPrivilege	4064	test.exe
Token: SeDebugPrivilege	3616	powershell.exe
Token: SeDebugPrivilege	2364	powershell.exe
Token: SeDebugPrivilege	4384	powershell.exe
Token: SeDebugPrivilege	4792	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4064	test.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 4252	2420	test.exe	91
PID 2420 wrote to memory of 4252	2420	test.exe	91
PID 2420 wrote to memory of 4252	2420	test.exe	91
PID 2420 wrote to memory of 4064	2420	test.exe	92
PID 2420 wrote to memory of 4064	2420	test.exe	92
PID 2420 wrote to memory of 4064	2420	test.exe	92
PID 2420 wrote to memory of 4064	2420	test.exe	92
PID 2420 wrote to memory of 4064	2420	test.exe	92
PID 2420 wrote to memory of 4064	2420	test.exe	92
PID 2420 wrote to memory of 4064	2420	test.exe	92
PID 2420 wrote to memory of 4064	2420	test.exe	92
PID 4064 wrote to memory of 3616	4064	test.exe	93
PID 4064 wrote to memory of 3616	4064	test.exe	93
PID 4064 wrote to memory of 3616	4064	test.exe	93
PID 4064 wrote to memory of 2364	4064	test.exe	96
PID 4064 wrote to memory of 2364	4064	test.exe	96
PID 4064 wrote to memory of 2364	4064	test.exe	96
PID 4064 wrote to memory of 4384	4064	test.exe	97
PID 4064 wrote to memory of 4384	4064	test.exe	97
PID 4064 wrote to memory of 4384	4064	test.exe	97
PID 4064 wrote to memory of 4792	4064	test.exe	99
PID 4064 wrote to memory of 4792	4064	test.exe	99
PID 4064 wrote to memory of 4792	4064	test.exe	99

C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\test.exe
  C:\Users\Admin\AppData\Local\Temp\test.exe
  2⤵
  PID:4252
- C:\Users\Admin\AppData\Local\Temp\test.exe
  C:\Users\Admin\AppData\Local\Temp\test.exe
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4064
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\test.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3616
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'test.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2364
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\MSruntime.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4384
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MSruntime.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

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_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\test.exe.log

Filesize
1KB

MD5
c3941d9fa38f1717d5cecd7a2ca71667

SHA1
33b5362675383b58b4166ed9f9a61e5aa6768d2e

SHA256
f1ed6ff1cd3df219061e32df1c75d6f48de6484cf50e5ea7d86cd8bcfcb93256

SHA512
98f103ef97d32bf8c0566a6f6da5cf8d58d18f698c1b3e5bd0be0ea8462f5fe54c2e5e6b5188f2b7d8f70082ffd6745b1f7f6cab95af474e2b7eaed50a9d9c45

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

Filesize
18KB

MD5
47c0ca04b6039dba567dd9ecb7da49cb

SHA1
3124bbdbca4cc35a578ca66528ea0a65223341e6

SHA256
be2336cf52a7416a90a0fa0b26b83018fd6fbc1bda39924c1397fd1393d2a08e

SHA512
780c424199fa34e43d02eed42b0142b810d224ee842c12ea0e47c19d4b186546fcac404be88c74092388458501803997bfe63fba70a8405d33ee7ad41a324b15

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

Filesize
18KB

MD5
bb715b3bbe405dcd442fce69f851ff0c

SHA1
591c2c3fe3ed93ec8a36adfff3a2d213ccbae2c1

SHA256
4789e4e77df5a24f69dd8cafdafcca3f18dc675a3e747f0879339d28e2bcf95f

SHA512
2fb09a0f237d1b541cf78f9a42fc508c0e53220b4947de5b60693588ae196a9fd8d2a02d173f00f7503e7b7d1101734c7e8a99d004f64a9b1ff8ce5f542b7266

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

Filesize
18KB

MD5
b5e7aa999c45b88cd016ec59c4205092

SHA1
9ab00a8cc4533b8a9e4858ea1f3585f3a51fe457

SHA256
872e0ba97435ed7550b954cfba25e031cbbf8482ae39df596b9b6b3292d93142

SHA512
30eb36f8f6eb87b3c9e8a2b233e97ab1c0474db50df1c2a7daec0576112f937e33db68c8a5e22caebd57187be2440464769d2b985a1d04d4f63b1880ff802622

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d2wi045r.mo2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2364-79-0x000000007F130000-0x000000007F140000-memory.dmp

Filesize
64KB

Download
memory/2364-91-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/2364-66-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/2364-68-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/2364-67-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/2364-80-0x00000000713E0000-0x000000007142C000-memory.dmp

Filesize
304KB

Download
memory/2420-5-0x0000000005AF0000-0x0000000005B20000-memory.dmp

Filesize
192KB

Download
memory/2420-4-0x0000000002C30000-0x0000000002C60000-memory.dmp

Filesize
192KB

Download
memory/2420-14-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/2420-3-0x0000000005A10000-0x0000000005A58000-memory.dmp

Filesize
288KB

Download
memory/2420-7-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/2420-0-0x00000000006A0000-0x00000000006A8000-memory.dmp

Filesize
32KB

Download
memory/2420-2-0x0000000005240000-0x0000000005250000-memory.dmp

Filesize
64KB

Download
memory/2420-6-0x0000000005B20000-0x0000000005B6C000-memory.dmp

Filesize
304KB

Download
memory/2420-9-0x0000000006190000-0x0000000006734000-memory.dmp

Filesize
5.6MB

Download
memory/2420-1-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/2420-8-0x0000000005240000-0x0000000005250000-memory.dmp

Filesize
64KB

Download
memory/3616-20-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/3616-22-0x00000000053E0000-0x0000000005402000-memory.dmp

Filesize
136KB

Download
memory/3616-36-0x00000000062C0000-0x000000000630C000-memory.dmp

Filesize
304KB

Download
memory/3616-35-0x0000000006280000-0x000000000629E000-memory.dmp

Filesize
120KB

Download
memory/3616-37-0x000000007F480000-0x000000007F490000-memory.dmp

Filesize
64KB

Download
memory/3616-38-0x0000000007430000-0x0000000007462000-memory.dmp

Filesize
200KB

Download
memory/3616-39-0x00000000713E0000-0x000000007142C000-memory.dmp

Filesize
304KB

Download
memory/3616-50-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/3616-49-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/3616-52-0x0000000007480000-0x0000000007523000-memory.dmp

Filesize
652KB

Download
memory/3616-51-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/3616-53-0x0000000007BF0000-0x000000000826A000-memory.dmp

Filesize
6.5MB

Download
memory/3616-54-0x00000000075B0000-0x00000000075CA000-memory.dmp

Filesize
104KB

Download
memory/3616-55-0x0000000007620000-0x000000000762A000-memory.dmp

Filesize
40KB

Download
memory/3616-57-0x00000000077B0000-0x00000000077C1000-memory.dmp

Filesize
68KB

Download
memory/3616-56-0x0000000007830000-0x00000000078C6000-memory.dmp

Filesize
600KB

Download
memory/3616-58-0x00000000077E0000-0x00000000077EE000-memory.dmp

Filesize
56KB

Download
memory/3616-59-0x00000000077F0000-0x0000000007804000-memory.dmp

Filesize
80KB

Download
memory/3616-60-0x00000000078F0000-0x000000000790A000-memory.dmp

Filesize
104KB

Download
memory/3616-61-0x00000000078D0000-0x00000000078D8000-memory.dmp

Filesize
32KB

Download
memory/3616-64-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/3616-23-0x0000000005BE0000-0x0000000005C46000-memory.dmp

Filesize
408KB

Download
memory/3616-24-0x0000000005C50000-0x0000000005CB6000-memory.dmp

Filesize
408KB

Download
memory/3616-34-0x0000000005DC0000-0x0000000006114000-memory.dmp

Filesize
3.3MB

Download
memory/3616-21-0x0000000005540000-0x0000000005B68000-memory.dmp

Filesize
6.2MB

Download
memory/3616-19-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/3616-17-0x0000000002960000-0x0000000002996000-memory.dmp

Filesize
216KB

Download
memory/3616-18-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4064-15-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4064-152-0x00000000067B0000-0x00000000067BA000-memory.dmp

Filesize
40KB

Download
memory/4064-151-0x00000000067E0000-0x0000000006872000-memory.dmp

Filesize
584KB

Download
memory/4064-150-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download
memory/4064-16-0x00000000057D0000-0x000000000586C000-memory.dmp

Filesize
624KB

Download
memory/4064-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4064-106-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4384-120-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4384-107-0x000000007F2A0000-0x000000007F2B0000-memory.dmp

Filesize
64KB

Download
memory/4384-118-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/4384-117-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/4384-105-0x00000000713E0000-0x000000007142C000-memory.dmp

Filesize
304KB

Download
memory/4384-93-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/4384-94-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/4384-92-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4792-121-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4792-122-0x0000000005440000-0x0000000005450000-memory.dmp

Filesize
64KB

Download
memory/4792-133-0x000000007F1A0000-0x000000007F1B0000-memory.dmp

Filesize
64KB

Download
memory/4792-134-0x00000000713E0000-0x000000007142C000-memory.dmp

Filesize
304KB

Download
memory/4792-145-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download