xworm | 0cea3395a719813d0a1bab5a21ded480f70b6da0cff2b8ff632a0d42bee303fe

Analysis

max time kernel
10s
max time network
7s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250217-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
02/03/2025, 01:14

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General

Target

X64 v1.4.exe
Size

76KB
MD5

1a6ce13e6ca5801d773725074d8127a6
SHA1

abc2d87c256950524ea6bc06466b7ad63dec042f
SHA256

0cea3395a719813d0a1bab5a21ded480f70b6da0cff2b8ff632a0d42bee303fe
SHA512

461708a2a62701c4af06d54e0c86fa5380c12a464a1e208c539f7835f4c5b0f3d4064377674759e0f9b237971b9414f9c39acf9da455aabacdb8ca2ea1018d10
SSDEEP

1536:F01NQngfiQr1jx9/9EBeJKYamex+3tDUUGcDl3nIAd7CK8byIMn:y1KgF/9+FYajk3tDUUGCBIa7CK8by1

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

80.76.49.15:1111

Attributes

Install_directory
%AppData%
install_file
Xclient.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000d000000027d63-6.dat	family_xworm
behavioral1/memory/3772-21-0x00000000009D0000-0x00000000009E6000-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
4816	powershell.exe
3092	powershell.exe
2312	powershell.exe
3880	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-1-5-21-1886653772-2813795769-2221171443-1000\Control Panel\International\Geo\Nation	X64 v1.4.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1886653772-2813795769-2221171443-1000\Control Panel\International\Geo\Nation	x64 Loader1.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Xclient.lnk	x64 Loader1.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Xclient.lnk	x64 Loader1.exe

Executes dropped EXE 1 IoCs

pid	Process
3772	x64 Loader1.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1886653772-2813795769-2221171443-1000_Classes\Local Settings	X64 v1.4.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3508	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4816	powershell.exe
4816	powershell.exe
3092	powershell.exe
3092	powershell.exe
2312	powershell.exe
2312	powershell.exe
3880	powershell.exe
3880	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3772	x64 Loader1.exe
Token: SeDebugPrivilege	4816	powershell.exe
Token: SeIncreaseQuotaPrivilege	4816	powershell.exe
Token: SeSecurityPrivilege	4816	powershell.exe
Token: SeTakeOwnershipPrivilege	4816	powershell.exe
Token: SeLoadDriverPrivilege	4816	powershell.exe
Token: SeSystemProfilePrivilege	4816	powershell.exe
Token: SeSystemtimePrivilege	4816	powershell.exe
Token: SeProfSingleProcessPrivilege	4816	powershell.exe
Token: SeIncBasePriorityPrivilege	4816	powershell.exe
Token: SeCreatePagefilePrivilege	4816	powershell.exe
Token: SeBackupPrivilege	4816	powershell.exe
Token: SeRestorePrivilege	4816	powershell.exe
Token: SeShutdownPrivilege	4816	powershell.exe
Token: SeDebugPrivilege	4816	powershell.exe
Token: SeSystemEnvironmentPrivilege	4816	powershell.exe
Token: SeRemoteShutdownPrivilege	4816	powershell.exe
Token: SeUndockPrivilege	4816	powershell.exe
Token: SeManageVolumePrivilege	4816	powershell.exe
Token: 33	4816	powershell.exe
Token: 34	4816	powershell.exe
Token: 35	4816	powershell.exe
Token: 36	4816	powershell.exe
Token: SeDebugPrivilege	3092	powershell.exe
Token: SeIncreaseQuotaPrivilege	3092	powershell.exe
Token: SeSecurityPrivilege	3092	powershell.exe
Token: SeTakeOwnershipPrivilege	3092	powershell.exe
Token: SeLoadDriverPrivilege	3092	powershell.exe
Token: SeSystemProfilePrivilege	3092	powershell.exe
Token: SeSystemtimePrivilege	3092	powershell.exe
Token: SeProfSingleProcessPrivilege	3092	powershell.exe
Token: SeIncBasePriorityPrivilege	3092	powershell.exe
Token: SeCreatePagefilePrivilege	3092	powershell.exe
Token: SeBackupPrivilege	3092	powershell.exe
Token: SeRestorePrivilege	3092	powershell.exe
Token: SeShutdownPrivilege	3092	powershell.exe
Token: SeDebugPrivilege	3092	powershell.exe
Token: SeSystemEnvironmentPrivilege	3092	powershell.exe
Token: SeRemoteShutdownPrivilege	3092	powershell.exe
Token: SeUndockPrivilege	3092	powershell.exe
Token: SeManageVolumePrivilege	3092	powershell.exe
Token: 33	3092	powershell.exe
Token: 34	3092	powershell.exe
Token: 35	3092	powershell.exe
Token: 36	3092	powershell.exe
Token: SeDebugPrivilege	2312	powershell.exe
Token: SeIncreaseQuotaPrivilege	2312	powershell.exe
Token: SeSecurityPrivilege	2312	powershell.exe
Token: SeTakeOwnershipPrivilege	2312	powershell.exe
Token: SeLoadDriverPrivilege	2312	powershell.exe
Token: SeSystemProfilePrivilege	2312	powershell.exe
Token: SeSystemtimePrivilege	2312	powershell.exe
Token: SeProfSingleProcessPrivilege	2312	powershell.exe
Token: SeIncBasePriorityPrivilege	2312	powershell.exe
Token: SeCreatePagefilePrivilege	2312	powershell.exe
Token: SeBackupPrivilege	2312	powershell.exe
Token: SeRestorePrivilege	2312	powershell.exe
Token: SeShutdownPrivilege	2312	powershell.exe
Token: SeDebugPrivilege	2312	powershell.exe
Token: SeSystemEnvironmentPrivilege	2312	powershell.exe
Token: SeRemoteShutdownPrivilege	2312	powershell.exe
Token: SeUndockPrivilege	2312	powershell.exe
Token: SeManageVolumePrivilege	2312	powershell.exe
Token: 33	2312	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 3772	524	X64 v1.4.exe	84
PID 524 wrote to memory of 3772	524	X64 v1.4.exe	84
PID 524 wrote to memory of 3508	524	X64 v1.4.exe	85
PID 524 wrote to memory of 3508	524	X64 v1.4.exe	85
PID 3772 wrote to memory of 4816	3772	x64 Loader1.exe	88
PID 3772 wrote to memory of 4816	3772	x64 Loader1.exe	88
PID 3772 wrote to memory of 3092	3772	x64 Loader1.exe	93
PID 3772 wrote to memory of 3092	3772	x64 Loader1.exe	93
PID 3772 wrote to memory of 2312	3772	x64 Loader1.exe	95
PID 3772 wrote to memory of 2312	3772	x64 Loader1.exe	95
PID 3772 wrote to memory of 3880	3772	x64 Loader1.exe	97
PID 3772 wrote to memory of 3880	3772	x64 Loader1.exe	97

C:\Users\Admin\AppData\Local\Temp\X64 v1.4.exe
"C:\Users\Admin\AppData\Local\Temp\X64 v1.4.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:524
- C:\Users\Admin\AppData\Roaming\x64 Loader1.exe
  "C:\Users\Admin\AppData\Roaming\x64 Loader1.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3772
- - 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\x64 Loader1.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4816
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'x64 Loader1.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3092
- - 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\Xclient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2312
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Xclient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:3880
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\thankyou.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

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
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

Filesize
1KB

MD5
c67441dfa09f61bca500bb43407c56b8

SHA1
5a56cf7cbeb48c109e2128c31b681fac3959157b

SHA256
63082da456c124d0bc516d2161d1613db5f3008d903e4066d2c7b4e90b435f33

SHA512
325de8b718b3a01df05e20e028c5882240e5fd2e96c771361b776312923ff178f27494a1f5249bf6d7365a99155eb8735a51366e85597008e6a10462e63ee0e8

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

Filesize
1KB

MD5
73bcc46c02b9635e3919822369292c6c

SHA1
c43a7e25f77169579ec9610e59224eff4c101488

SHA256
b8f4c02f461b1f9bfec7a01edeb61f2bedd54beee0f24705ec222309b10e8749

SHA512
2ef85925887f27929ed57050915ce0367aa91e991a84b59e33923e8545ffa7a29331e39456ef06c43c24bcfdafcd49b3b11f1456ea6bebb9d845e670c32b43d7

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

Filesize
1KB

MD5
3066e0895aa15bbcca5cb3f4998d2d2e

SHA1
d0b8e8d1ded1dd45c15426618d61830b10f68db4

SHA256
174027df389ac1ded72dba077728b00ebb7810eb60eac57018af7324b20a366f

SHA512
6d8bf07ee9deaeee4d998eb7860d950f4429d20191f3c54f7f60ad2e06532cb6b5c12a34269b7bb13d56dc476977fe95a216c6233aa0e23b60c1a8653a06586f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s1iawvh4.uik.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\thankyou.txt

Filesize
96B

MD5
56dda8c046c5eb736b67cf2c14ce4c0a

SHA1
15e0bd23b36d009de50aad2960845a4fcc7eb6bc

SHA256
b1bd21a766847c9fc97f742a485db33d204b3af8b836735fdb0e2a3131889b95

SHA512
7615c3b639b879489f66e5251a21a02a9bb3fb4bf270e770857959e881abad26697c954ce06c83f76911fe8e9303fd4cd2e795f0036b6e73da6e2e4b356c66b4

Download Submit
C:\Users\Admin\AppData\Roaming\x64 Loader1.exe

Filesize
62KB

MD5
e23391d72658e5472a976b0e98b18722

SHA1
58a608aa7e854d6e68217b7e8a1b7e03685caf11

SHA256
e744dd225012b9e99b02f3495a3d78810e67ca0fb1b0a327ff522594051d6fea

SHA512
c3fbd633a59674ea46175290cf8a8e676c2854af510c1978be88a747a2b2ac1a8f3a9599bffa50f80edf2d636bf9d01384fbbb99cd971c511acc755f2f820cb7

Download Submit
memory/524-0-0x00007FFE5F713000-0x00007FFE5F715000-memory.dmp

Filesize
8KB

Download
memory/524-1-0x0000000000240000-0x000000000025A000-memory.dmp

Filesize
104KB

Download
memory/3772-23-0x00007FFE5F710000-0x00007FFE601D2000-memory.dmp

Filesize
10.8MB

Download
memory/3772-21-0x00000000009D0000-0x00000000009E6000-memory.dmp

Filesize
88KB

Download
memory/3772-75-0x00007FFE5F710000-0x00007FFE601D2000-memory.dmp

Filesize
10.8MB

Download
memory/3772-76-0x00007FFE5F710000-0x00007FFE601D2000-memory.dmp

Filesize
10.8MB

Download
memory/4816-34-0x00000174FEA20000-0x00000174FEA42000-memory.dmp

Filesize
136KB

Download