xworm | c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56

General

Target

c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe
Size

735KB
MD5

d3ac21fafb589042a7012f5992ba2074
SHA1

6a6dfd5cca3055e112bf03f73fb00eb3c434ab55
SHA256

c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56
SHA512

e89acf2e26ba009e8d571f6f2bdb11a1c6d71fedfee45ac4d6f057c6feb99a7eb627255e120c7c3f7613d6b8b20ae85e23e684ac024ed69187173ac13b93c1cd
SSDEEP

12288:hyveQB/fTHIGaPkKEYzURNAwbAgUb47Om2u/eciUAWSTgL1GFrXjcufkv5+jR:huDXTIGaPhEYzUzA0oegbcthGFrXjZkE

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:8848

23.ip.gl.ply.gg:8848

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023b8c-28.dat	family_xworm
behavioral2/memory/4732-37-0x00000000000A0000-0x00000000000B6000-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
1432	powershell.exe
5012	powershell.exe
4484	powershell.exe
1244	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	c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	ปลด.exe

Executes dropped EXE 1 IoCs

pid	Process
4732	ปลด.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\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	ปลด.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
1432	powershell.exe
1432	powershell.exe
5012	powershell.exe
5012	powershell.exe
4484	powershell.exe
4484	powershell.exe
1244	powershell.exe
1244	powershell.exe
4732	ปลด.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4732	ปลด.exe
Token: SeDebugPrivilege	1432	powershell.exe
Token: SeDebugPrivilege	5012	powershell.exe
Token: SeDebugPrivilege	4484	powershell.exe
Token: SeDebugPrivilege	1244	powershell.exe
Token: SeDebugPrivilege	4732	ปลด.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4732	ปลด.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 4732	4816	c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe	83
PID 4816 wrote to memory of 4732	4816	c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe	83
PID 4732 wrote to memory of 1432	4732	ปลด.exe	86
PID 4732 wrote to memory of 1432	4732	ปลด.exe	86
PID 4732 wrote to memory of 5012	4732	ปลด.exe	88
PID 4732 wrote to memory of 5012	4732	ปลด.exe	88
PID 4732 wrote to memory of 4484	4732	ปลด.exe	90
PID 4732 wrote to memory of 4484	4732	ปลด.exe	90
PID 4732 wrote to memory of 1244	4732	ปลด.exe	92
PID 4732 wrote to memory of 1244	4732	ปลด.exe	92

C:\Users\Admin\AppData\Local\Temp\c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe
"C:\Users\Admin\AppData\Local\Temp\c2b31974c504751cb32c910ecd190886d0fbe2fd835bd4c9c24ed1d568915c56.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\ปลด.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ปลด.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:4732
- - 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\RarSFX0\ปลด.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1432
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ปลด.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5012
- - 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\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4484
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1244

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

Replay Monitor

Loading Replay Monitor...

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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
3b444d3f0ddea49d84cc7b3972abe0e6

SHA1
0a896b3808e68d5d72c2655621f43b0b2c65ae02

SHA256
ab075b491d20c6f66c7bd40b57538c1cfdaab5aac4715bfe3bbc7f4745860a74

SHA512
eb0ab5d68472ec42de4c9b6d84306d7bca3874be1d0ac572030a070f21a698432418068e1a6006ff88480be8c8f54c769dee74b2def403f734109dba7261f36b

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

Filesize
944B

MD5
60945d1a2e48da37d4ce8d9c56b6845a

SHA1
83e80a6acbeb44b68b0da00b139471f428a9d6c1

SHA256
314b91c00997034d6e015f40230d90ebbf57de5dc938b62c1a214d591793dbe3

SHA512
5d068f1d6443e26ae3cad1c80f969e50e5860967b314153c4d3b6efd1cfa39f0907c6427bec7fa43db079f258b6357e4e9a1b0b1a36b1481d2049ea0e67909ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\ปลด.exe

Filesize
65KB

MD5
a356439997ad4bd9aafc0a4fb2501fdc

SHA1
d649fa1832d93897870c3b2484aafe54139f2b3b

SHA256
f751f56495127c3898115add02e4f02d73c3dca5baddbca19adfa0f552bf0060

SHA512
827c13b02ddda8b1b41d678b57c6cd93ad4f956e53bb7519748dc7389ea9f3602a92c2811ac0f1f8f70487c6e13519fcb663ee55a2d45128aefde9fac09d7afb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gm35mhr4.jqb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1432-38-0x000001C16EBC0000-0x000001C16EBE2000-memory.dmp

Filesize
136KB

Download
memory/4732-36-0x00007FFA03903000-0x00007FFA03905000-memory.dmp

Filesize
8KB

Download
memory/4732-37-0x00000000000A0000-0x00000000000B6000-memory.dmp

Filesize
88KB

Download
memory/4732-85-0x00007FFA03900000-0x00007FFA043C1000-memory.dmp

Filesize
10.8MB

Download
memory/4732-86-0x00007FFA03903000-0x00007FFA03905000-memory.dmp

Filesize
8KB

Download
memory/4732-87-0x00007FFA03900000-0x00007FFA043C1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads