xworm | c72be52442b2f6bf8bcbc0b75729e4dd8d06a0753bc7d2e184757053f86f1578

General

Target

xworm/Xworm V5.6 (2).exe
Size

8.7MB
MD5

9530dd473ed704de0b1fb9005d0b1596
SHA1

d745fcb740939681c166a9a06744ecb118d86aa4
SHA256

7afa79c97a3585ef9280e4a5157f45dcc5f8908322f7c7fce33825114a9c5dff
SHA512

4a2a6101372a46dc01f57b6304f4a0e28b606509f2dad05ea211707755d3648407b1126e91bf49c2bd4a3b27cf98117fcef23fbe4039ae5ebec73f6bb07dfcef
SSDEEP

196608:11gDSqGHoQtAq9xXsfE5mxqEfduHDFEyBWqpwWEEQoyHo54:11eSqGVXsfe0qEfdYnpwWEloyk

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

193.123.88.61:4444

Mutex

1cAjmT6r87cbZXRe

Attributes

Install_directory
%AppData%
install_file
host.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/632-78-0x0000000000FB0000-0x0000000000FC0000-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 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4380	powershell.exe
1508	powershell.exe

Checks computer location settings 2 TTPs 3 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-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	Xworm V5.6 (2).exe
Key value queried	\REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	Uhid.exe
Key value queried	\REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	rolexspoofer.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rolexspoofer.exe	Uhid.exe

Executes dropped EXE 4 IoCs

pid	Process
4928	Uhid.exe
4888	rolexspoofer.exe
4348	Xworm V5.6.exe
632	unsecapp.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
21	discord.com
22	discord.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
19	ip-api.com

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Xworm V5.6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	Xworm V5.6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	Xworm V5.6.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1508	powershell.exe
1508	powershell.exe
4380	powershell.exe
4380	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	rolexspoofer.exe
Token: SeDebugPrivilege	1508	powershell.exe
Token: SeDebugPrivilege	4380	powershell.exe
Token: SeDebugPrivilege	632	unsecapp.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 4928	4844	Xworm V5.6 (2).exe	87
PID 4844 wrote to memory of 4928	4844	Xworm V5.6 (2).exe	87
PID 4928 wrote to memory of 4888	4928	Uhid.exe	89
PID 4928 wrote to memory of 4888	4928	Uhid.exe	89
PID 4844 wrote to memory of 4348	4844	Xworm V5.6 (2).exe	88
PID 4844 wrote to memory of 4348	4844	Xworm V5.6 (2).exe	88
PID 4888 wrote to memory of 1508	4888	rolexspoofer.exe	91
PID 4888 wrote to memory of 1508	4888	rolexspoofer.exe	91
PID 4888 wrote to memory of 4380	4888	rolexspoofer.exe	93
PID 4888 wrote to memory of 4380	4888	rolexspoofer.exe	93

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\xworm\Xworm V5.6 (2).exe
"C:\Users\Admin\AppData\Local\Temp\xworm\Xworm V5.6 (2).exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Users\Admin\AppData\Local\Temp\xworm\Uhid.exe
  "C:\Users\Admin\AppData\Local\Temp\xworm\Uhid.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rolexspoofer.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rolexspoofer.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4888
  - - 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\unsecapp.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1508
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'unsecapp.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4380
- C:\Users\Admin\AppData\Local\Temp\xworm\Xworm V5.6.exe
  "C:\Users\Admin\AppData\Local\Temp\xworm\Xworm V5.6.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates system info in registry
  PID:4348

C:\Users\Admin\AppData\Roaming\unsecapp.exe
C:\Users\Admin\AppData\Roaming\unsecapp.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

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
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_45q5f4c5.hyp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
2.1MB

MD5
7b8dd3335c25460fe7170005fd24ca6e

SHA1
1a6be7c3d12b8cc1a4e18fcca860be3ec0d0bdab

SHA256
203ccbd5bea87e28cc74053a24c0e08027ab0ae531f1274cbc804800afa4fe4f

SHA512
ae043f68c037882829ba873afe7162882bc620c91e740c7ca5ca7067bd4172cfc29cf18554622b38d3dfb6c7e63974c71020c6736703f70f6bee287616019418

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

Filesize
14.9MB

MD5
714f51eb76e1d01b1b646962224910a8

SHA1
affe3aba05cdb0ab78fea81be9bae2ffb7dc7a8f

SHA256
6be79ff4d5c370639bfb4c3dbd4f2bc3332a009ccfbda08ed0a88524e3ee5b31

SHA512
a9faa8043b2d9498e78d921e05e3e299ea121af1a95682a70fb76b67df78c8101a6f55fbc1939a2858f282346e35bef9a2ae106bb4a5ae32e84e26107f33c905

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rolexspoofer.exe

Filesize
230KB

MD5
7b717949121ea9b9d1dc54f2bc7202f9

SHA1
631524acfd80c2ab405c2af566969ec48bb99595

SHA256
7007221dc3d3019a0471deeafff20183530d7f54bf8aad71e137653f13e5d98d

SHA512
f582b34d097c12547e33da58a4377043c5608605c8bacabb13937fb33af023cdd4eb49d0b29dc7af781ff86dd1fecafa64bf77dbc8347f824b52bfab53dc9e7d

Download Submit
memory/632-78-0x0000000000FB0000-0x0000000000FC0000-memory.dmp

Filesize
64KB

Download
memory/1508-49-0x000001C8F6900000-0x000001C8F6922000-memory.dmp

Filesize
136KB

Download
memory/4348-47-0x000002C3D3C60000-0x000002C3D4B4A000-memory.dmp

Filesize
14.9MB

Download
memory/4348-48-0x000002C3EF640000-0x000002C3EF834000-memory.dmp

Filesize
2.0MB

Download
memory/4844-0-0x00007FFE854B3000-0x00007FFE854B5000-memory.dmp

Filesize
8KB

Download
memory/4844-4-0x00007FFE854B0000-0x00007FFE85F71000-memory.dmp

Filesize
10.8MB

Download
memory/4844-1-0x0000000000400000-0x0000000000CC6000-memory.dmp

Filesize
8.8MB

Download
memory/4844-46-0x00007FFE854B0000-0x00007FFE85F71000-memory.dmp

Filesize
10.8MB

Download
memory/4888-40-0x00000000000C0000-0x0000000000100000-memory.dmp

Filesize
256KB

Download
memory/4928-16-0x000000001B5F0000-0x000000001B6BC000-memory.dmp

Filesize
816KB

Download
memory/4928-42-0x00007FFE854B0000-0x00007FFE85F71000-memory.dmp

Filesize
10.8MB

Download
memory/4928-22-0x00007FFE854B0000-0x00007FFE85F71000-memory.dmp

Filesize
10.8MB

Download
memory/4928-17-0x00007FFE854B0000-0x00007FFE85F71000-memory.dmp

Filesize
10.8MB

Download
memory/4928-15-0x00000000008F0000-0x0000000000B04000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads