xworm | fda3ed77e29ab105a5c1762c84c6fae92b4497c5954cb305e613cfe030506090

Analysis

max time kernel
136s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2024 18:38

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General

Target

exe030.exe
Size

1.1MB
MD5

30a5ad6d62e4cd603673a9e3b3e77631
SHA1

c8d42f3efe983add08b190325239290e4fb79631
SHA256

fda3ed77e29ab105a5c1762c84c6fae92b4497c5954cb305e613cfe030506090
SHA512

a0a87ea2374a4d3f8dd014011a0373f6302aa04d8dc70e9bda0e78221486057ac26ef09c3702e6ee80a3f738bcee7c8fb62363b5cd238ed36b9fb068d35113bc
SSDEEP

24576:0zAW5Wy3XuH/pR0+9vwe5oc78dBDaiMo9mRCYDwECvw:0NWHH/Dt55l4jaYKIEcw

Score

10^/10

xworm discovery execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

senior-adopted.gl.at.ply.gg:56758

Mutex

Bz7AHGcWuERgvPvx

Attributes

Install_directory
%AppData%
install_file
XClient.exe

aes.plain

Extracted

Family

xworm

147.185.221.23:25808

Attributes

Install_directory
%LocalAppData%
install_file
Realtek HD Audio Universal Service.exe

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023b73-6.dat	family_xworm
behavioral2/memory/772-20-0x00000000009B0000-0x00000000009C0000-memory.dmp	family_xworm
behavioral2/files/0x000b000000023b75-28.dat	family_xworm
behavioral2/memory/1440-42-0x0000000000D80000-0x0000000000D9A000-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 8 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2296	powershell.exe
1340	powershell.exe
2084	powershell.exe
2628	powershell.exe
4320	powershell.exe
1996	powershell.exe
2060	powershell.exe
4696	powershell.exe

Checks computer location settings 2 TTPs 4 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Realtek HD Audio Universal Service.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	exe030.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	FREE BYPASS.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	2.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	2.exe

Executes dropped EXE 4 IoCs

pid	Process
772	2.exe
1900	FREE BYPASS.exe
1440	Realtek HD Audio Universal Service.exe
5080	SAM CHEAT bypass.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Local\\Realtek HD Audio Universal Service.exe"	Realtek HD Audio Universal Service.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
13	ip-api.com

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FREE BYPASS.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x000d000000023b12-16.dat	nsis_installer_1
behavioral2/files/0x000d000000023b12-16.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2060	powershell.exe
2060	powershell.exe
4696	powershell.exe
4696	powershell.exe
2296	powershell.exe
2296	powershell.exe
1340	powershell.exe
1340	powershell.exe
1340	powershell.exe
2084	powershell.exe
2084	powershell.exe
2084	powershell.exe
2628	powershell.exe
2628	powershell.exe
4320	powershell.exe
4320	powershell.exe
772	2.exe
1996	powershell.exe
1996	powershell.exe
1440	Realtek HD Audio Universal Service.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	772	2.exe
Token: SeDebugPrivilege	1440	Realtek HD Audio Universal Service.exe
Token: SeDebugPrivilege	2060	powershell.exe
Token: SeDebugPrivilege	4696	powershell.exe
Token: SeDebugPrivilege	2296	powershell.exe
Token: SeDebugPrivilege	1340	powershell.exe
Token: SeDebugPrivilege	2084	powershell.exe
Token: SeDebugPrivilege	2628	powershell.exe
Token: SeDebugPrivilege	4320	powershell.exe
Token: SeDebugPrivilege	772	2.exe
Token: SeDebugPrivilege	1996	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1900	FREE BYPASS.exe
772	2.exe
1440	Realtek HD Audio Universal Service.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 772	2884	exe030.exe	84
PID 2884 wrote to memory of 772	2884	exe030.exe	84
PID 2884 wrote to memory of 1900	2884	exe030.exe	86
PID 2884 wrote to memory of 1900	2884	exe030.exe	86
PID 2884 wrote to memory of 1900	2884	exe030.exe	86
PID 1900 wrote to memory of 1440	1900	FREE BYPASS.exe	89
PID 1900 wrote to memory of 1440	1900	FREE BYPASS.exe	89
PID 1900 wrote to memory of 5080	1900	FREE BYPASS.exe	90
PID 1900 wrote to memory of 5080	1900	FREE BYPASS.exe	90
PID 772 wrote to memory of 2060	772	2.exe	94
PID 772 wrote to memory of 2060	772	2.exe	94
PID 772 wrote to memory of 4696	772	2.exe	98
PID 772 wrote to memory of 4696	772	2.exe	98
PID 772 wrote to memory of 2296	772	2.exe	100
PID 772 wrote to memory of 2296	772	2.exe	100
PID 772 wrote to memory of 1340	772	2.exe	102
PID 772 wrote to memory of 1340	772	2.exe	102
PID 1440 wrote to memory of 2084	1440	Realtek HD Audio Universal Service.exe	104
PID 1440 wrote to memory of 2084	1440	Realtek HD Audio Universal Service.exe	104
PID 1440 wrote to memory of 2628	1440	Realtek HD Audio Universal Service.exe	106
PID 1440 wrote to memory of 2628	1440	Realtek HD Audio Universal Service.exe	106
PID 1440 wrote to memory of 4320	1440	Realtek HD Audio Universal Service.exe	108
PID 1440 wrote to memory of 4320	1440	Realtek HD Audio Universal Service.exe	108
PID 1440 wrote to memory of 1996	1440	Realtek HD Audio Universal Service.exe	110
PID 1440 wrote to memory of 1996	1440	Realtek HD Audio Universal Service.exe	110

C:\Users\Admin\AppData\Local\Temp\exe030.exe
"C:\Users\Admin\AppData\Local\Temp\exe030.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Users\Admin\AppData\Local\Temp\2.exe
  "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:772
- - 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\2.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2060
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4696
- - 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:2296
- - 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
    - Suspicious use of AdjustPrivilegeToken
    PID:1340
- C:\Users\Admin\AppData\Local\Temp\FREE BYPASS.exe
  "C:\Users\Admin\AppData\Local\Temp\FREE BYPASS.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
    "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
    3⤵
    - 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:1440
  - - 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\Realtek HD Audio Universal Service.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2084
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Realtek HD Audio Universal Service.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2628
  - - 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\Realtek HD Audio Universal Service.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4320
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Realtek HD Audio Universal Service.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1996
- - C:\Users\Admin\AppData\Local\Temp\SAM CHEAT bypass.exe
    "C:\Users\Admin\AppData\Local\Temp\SAM CHEAT bypass.exe"
    3⤵
    - Executes dropped EXE
    PID:5080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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
e25058a5d8ac6b42d8c7c9883c598303

SHA1
bd9e6194a36a959772fc020f905244900ffc3d57

SHA256
9f6fe2203df58ba90b512b436fd74f5eeb4f39f4f9f54a41e882fc54e5f35d51

SHA512
0146f2d1298acf189005217784e952d6e99bf7c8bf24ae9e9af1a2ca3d881dca39f19f3ecd06c7d0ad919bc929edaf6e97e0ab2d7f71733b9422527c594ea0c5

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

Filesize
944B

MD5
e60eb305a7b2d9907488068b7065abd3

SHA1
1643dd7f915ac50c75bc01c53d68c5dafb9ce28d

SHA256
ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135

SHA512
95c45afec6fa4e0b2a21edd10a6b2dc30568810c67bc9bc34d98ab111c48261f377a370583adb27e08616b0108026c119493b1b093b52ce931117e646b46cb7b

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

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
944B

MD5
ba169f4dcbbf147fe78ef0061a95e83b

SHA1
92a571a6eef49fff666e0f62a3545bcd1cdcda67

SHA256
5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

SHA512
8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

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

Filesize
944B

MD5
55f7275e9dabade67c687ab3529bae83

SHA1
17a4aab2df5ac2221c0c99ffaca3b8c0fb5eed96

SHA256
444ea927614f69de9ceffdf1cefd42881681d7b9a6bec8ac8e5de479da47a043

SHA512
b329ea67610d069591e39ba77852c21259c9bbe3017550ff23c5a03b8784e21bd02608d59dc972ae04b889687c75e2743a0f2670f238c26a541d692c267c57ca

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

Filesize
944B

MD5
ef647504cf229a16d02de14a16241b90

SHA1
81480caca469857eb93c75d494828b81e124fda0

SHA256
47002672443e80410e55a0b6d683573ac27d70d803b57ee3c2818d1008669710

SHA512
a6d8c08c708eee6f7e700880ce79d2ba7cd0acbe8529d96e18f3e90ea1f3cf33fd801dd6eba6017cdd02769e968c48278c090c1deeac710124f79423cd862ee1

Download Submit
C:\Users\Admin\AppData\Local\Temp\2.exe

Filesize
38KB

MD5
8b2dcbe05d600ce494098fd501786fb5

SHA1
20dea1f20b8506d9703c12ebbac32eb89be0b5e3

SHA256
a3ddac32a27fe5da8c189519d6a9801cbf2f4bd38c6e85b2b8dcb54351e01649

SHA512
9338ae864d823ce397d853b3ca3e699270bbd8405654e9a84714aff43343a9e0c26c0594188ce2ca43a2e4a3548c5031dcd50e2c039ec9b27b66370eae4a6920

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

Filesize
758KB

MD5
d73c9e865143acd7ee7b526266109048

SHA1
86cd070de3e808bfa057daf04ca7286644e33e35

SHA256
d1179ff1ecadf6756288590c6c08420ec7b9e06aa9e0effc9b2c6b9b8ca5fa4e

SHA512
a3ba88e3418d68cac8bb7d96a29fa218605933696cf1489367062f8d85d5a6c701403b24e701c668dcfeb27abdd1fd907a9815691f47d6802087b409bdc66e33

Download Submit
C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe

Filesize
79KB

MD5
066d90fb1d671648842a3b46622eb7ce

SHA1
6d0949bd4f494c9f8d80b705a79cfa9038c80e51

SHA256
8d2cf02c3005fb4bb7058df1f3a2e24b98077a8c5a8aab5c8184f4aa9ed951d8

SHA512
b22c8910e501de5fcb8e6197552396285366c9b43c4c6df4387b95a28830bf13a6ce634aadbf79e71b83879d19132c63414da5c5059edaa33be6bb71cee32745

Download Submit
C:\Users\Admin\AppData\Local\Temp\SAM CHEAT bypass.exe

Filesize
1.3MB

MD5
d46bcf5d90966c10fb75419041fae79f

SHA1
9db2c47dd39acd50983c963d370045fcb956d72a

SHA256
edcef9f0255fa29acdfd80bbfb03abea630eb152b19f20fca12fdd88ccf9b399

SHA512
26a241bb87b5abafbba8209135c49163e9ee97ef4f8eaa4dbaf5723b9ce7038b6bdfa9926da29ad3728a854d424168384605c3f494dc29f55249b96adcbe7fb2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hlpomn3w.pdk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/772-20-0x00000000009B0000-0x00000000009C0000-memory.dmp

Filesize
64KB

Download
memory/772-132-0x00007FFDBF010000-0x00007FFDBFAD1000-memory.dmp

Filesize
10.8MB

Download
memory/772-18-0x00007FFDBF013000-0x00007FFDBF015000-memory.dmp

Filesize
8KB

Download
memory/772-140-0x00007FFDBF010000-0x00007FFDBFAD1000-memory.dmp

Filesize
10.8MB

Download
memory/1440-42-0x0000000000D80000-0x0000000000D9A000-memory.dmp

Filesize
104KB

Download
memory/2060-55-0x0000023625950000-0x0000023625B6C000-memory.dmp

Filesize
2.1MB

Download
memory/2060-52-0x0000023625CA0000-0x0000023625CC2000-memory.dmp

Filesize
136KB

Download