xworm | 1f27ead1385d2bd425b05765ba7d2f34ae480e97c6dfa288c8860fc1826260c1

General

Target

1f27ead1385d2bd425b05765ba7d2f34ae480e97c6dfa288c8860fc1826260c1.exe
Size

302KB
MD5

98c38e2a2e6fed11878664c62ceee304
SHA1

d9798077b4582ca595c2b1facad1c95d0c356897
SHA256

1f27ead1385d2bd425b05765ba7d2f34ae480e97c6dfa288c8860fc1826260c1
SHA512

d61811977670fb25578b15af111c0385ad20b265f21066f6efe6aa82f30e3ab33edf9bebd22168ee69ce7a75605ad8ef2f9e3efc14d341c559a66e094e430156
SSDEEP

6144:olLwDPhjGNtxZJBs6enQLVYpFZsTv0kzMPP/GtKGLGfye4INK1FkEI:6UDPhjGdjSlAV2FarH4ut9GfyWQ1+EI

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

soon-console.gl.at.ply.gg:60222

Mutex

6TmnQVeEYZF4Sp6V

Attributes

Install_directory
%AppData%
install_file
Windows.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000d000000023a45-19.dat	family_xworm
behavioral2/memory/3536-23-0x0000000000F10000-0x0000000000F20000-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
2940	powershell.exe
1348	powershell.exe
1212	powershell.exe
4960	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	1f27ead1385d2bd425b05765ba7d2f34ae480e97c6dfa288c8860fc1826260c1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	BOOT_FPS.exe

Executes dropped EXE 2 IoCs

pid	Process
2016	Crack.exe
3536	BOOT_FPS.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Windows.exe"	BOOT_FPS.exe

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
20	ip-api.com

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
1348	powershell.exe
1348	powershell.exe
1212	powershell.exe
1212	powershell.exe
4960	powershell.exe
4960	powershell.exe
2940	powershell.exe
2940	powershell.exe
3536	BOOT_FPS.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3536	BOOT_FPS.exe
Token: SeDebugPrivilege	1348	powershell.exe
Token: SeDebugPrivilege	1212	powershell.exe
Token: SeDebugPrivilege	4960	powershell.exe
Token: SeDebugPrivilege	2940	powershell.exe
Token: SeDebugPrivilege	3536	BOOT_FPS.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3536	BOOT_FPS.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2016	1684	1f27ead1385d2bd425b05765ba7d2f34ae480e97c6dfa288c8860fc1826260c1.exe	87
PID 1684 wrote to memory of 2016	1684	1f27ead1385d2bd425b05765ba7d2f34ae480e97c6dfa288c8860fc1826260c1.exe	87
PID 1684 wrote to memory of 3536	1684	1f27ead1385d2bd425b05765ba7d2f34ae480e97c6dfa288c8860fc1826260c1.exe	89
PID 1684 wrote to memory of 3536	1684	1f27ead1385d2bd425b05765ba7d2f34ae480e97c6dfa288c8860fc1826260c1.exe	89
PID 2016 wrote to memory of 2020	2016	Crack.exe	90
PID 2016 wrote to memory of 2020	2016	Crack.exe	90
PID 2020 wrote to memory of 644	2020	cmd.exe	91
PID 2020 wrote to memory of 644	2020	cmd.exe	91
PID 2020 wrote to memory of 4972	2020	cmd.exe	92
PID 2020 wrote to memory of 4972	2020	cmd.exe	92
PID 2020 wrote to memory of 972	2020	cmd.exe	93
PID 2020 wrote to memory of 972	2020	cmd.exe	93
PID 2016 wrote to memory of 3372	2016	Crack.exe	96
PID 2016 wrote to memory of 3372	2016	Crack.exe	96
PID 3372 wrote to memory of 1372	3372	cmd.exe	97
PID 3372 wrote to memory of 1372	3372	cmd.exe	97
PID 3536 wrote to memory of 1348	3536	BOOT_FPS.exe	100
PID 3536 wrote to memory of 1348	3536	BOOT_FPS.exe	100
PID 3536 wrote to memory of 1212	3536	BOOT_FPS.exe	102
PID 3536 wrote to memory of 1212	3536	BOOT_FPS.exe	102
PID 3536 wrote to memory of 4960	3536	BOOT_FPS.exe	105
PID 3536 wrote to memory of 4960	3536	BOOT_FPS.exe	105
PID 3536 wrote to memory of 2940	3536	BOOT_FPS.exe	107
PID 3536 wrote to memory of 2940	3536	BOOT_FPS.exe	107

C:\Users\Admin\AppData\Local\Temp\1f27ead1385d2bd425b05765ba7d2f34ae480e97c6dfa288c8860fc1826260c1.exe
"C:\Users\Admin\AppData\Local\Temp\1f27ead1385d2bd425b05765ba7d2f34ae480e97c6dfa288c8860fc1826260c1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\Crack.exe
  "C:\Users\Admin\AppData\Local\Temp\Crack.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Crack.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2020
  - - C:\Windows\system32\certutil.exe
      certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Crack.exe" MD5
      4⤵
      PID:644
  - - C:\Windows\system32\find.exe
      find /i /v "md5"
      4⤵
      PID:4972
  - - C:\Windows\system32\find.exe
      find /i /v "certutil"
      4⤵
      PID:972
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c mode 80,15
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3372
  - - C:\Windows\system32\mode.com
      mode 80,15
      4⤵
      PID:1372
- C:\Users\Admin\AppData\Local\Temp\BOOT_FPS.exe
  "C:\Users\Admin\AppData\Local\Temp\BOOT_FPS.exe"
  2⤵
  - Checks computer location settings
  - 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:3536
- - 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\BOOT_FPS.exe'
    3⤵
    - 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 'BOOT_FPS.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1212
- - 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\Windows.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4960
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2940

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
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

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

Filesize
944B

MD5
b51dc9e5ec3c97f72b4ca9488bbb4462

SHA1
5c1e8c0b728cd124edcacefb399bbd5e25b21bd3

SHA256
976f9534aa2976c85c2455bdde786a3f55d63aefdd40942eba1223c4c93590db

SHA512
0e5aa6cf64c535aefb833e5757b68e1094c87424abe2615a7d7d26b1b31eff358d12e36e75ca57fd690a9919b776600bf4c5c0e5a5df55366ba62238bdf3f280

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

Filesize
944B

MD5
9c740b7699e2363ac4ecdf496520ca35

SHA1
aa8691a8c56500d82c5fc8c35209bc6fe50ab1d9

SHA256
be96c91b62ba9ba7072ab89e66543328c9e4395150f9dbe8067332d94a3ecc61

SHA512
8885683f96353582eb871209e766e7eba1a72a2837ce27ea298b7b5b169621d1fa3fce25346b6bfd258b52642644234da9559d4e765a2023a5a5fc1f544cc7af

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

Filesize
40KB

MD5
bca0eedabdf246ddc3b2c156eaf46af1

SHA1
38a51efbcdbe67b64b0e4a0893660933f93d39fd

SHA256
5ed950a27ce029f74813dba796d34496e770339aabbbe813d179283fd67cbf1d

SHA512
9c5e90910daeeda438b26495d37b59c3f90e580014a2e7bb6ce1bb5895b00133be69c114840ffe9e2fb66dcfc9dc9ca9a6ca8fbd2265a86b32f59dedb770cdea

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

Filesize
540KB

MD5
49546520ae6822c5e45906c4bfd4577a

SHA1
7bd8c2dbcdba84bd005137703a3631ff3e18fb13

SHA256
8246e42c9161da82d25c43c923a09ac93f7a025ad4a8cacf2049e04eac525875

SHA512
846eab1be0fb8a0f20311c29a0304e8ae6f8037e009398fd0e7e9432a73b62844dffd5203054367370e95d9c2b97d38c5115e81d64de6dcc61a746f7d01cfa17

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cc1i1cwm.sr1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1348-27-0x000001D7D2640000-0x000001D7D2662000-memory.dmp

Filesize
136KB

Download
memory/1684-24-0x00007FF993180000-0x00007FF993C41000-memory.dmp

Filesize
10.8MB

Download
memory/1684-0-0x00007FF993183000-0x00007FF993185000-memory.dmp

Filesize
8KB

Download
memory/1684-7-0x00007FF993180000-0x00007FF993C41000-memory.dmp

Filesize
10.8MB

Download
memory/1684-1-0x00000000002F0000-0x0000000000342000-memory.dmp

Filesize
328KB

Download
memory/3536-22-0x00007FF993180000-0x00007FF993C41000-memory.dmp

Filesize
10.8MB

Download
memory/3536-23-0x0000000000F10000-0x0000000000F20000-memory.dmp

Filesize
64KB

Download
memory/3536-26-0x00007FF993180000-0x00007FF993C41000-memory.dmp

Filesize
10.8MB

Download
memory/3536-74-0x00007FF993180000-0x00007FF993C41000-memory.dmp

Filesize
10.8MB

Download
memory/3536-75-0x00007FF993180000-0x00007FF993C41000-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