xworm | a4a812445d1364563e7c1e852f23319514bba1e5ac38e3386bc77acda6f3ec51

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 04:05

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General

Target

dist/sdfysdfa.exe
Size

7.6MB
MD5

072e4116922c55a0acb83c6d7dbbb8e6
SHA1

22c700bbddfecd3e0a157fc2182f1f62cb64f96b
SHA256

f6199b227874bd24a02cfdead551441aebb9b6284aace5ffa9665db7b7651c92
SHA512

8d6dce2a006dc4435443f5ca8b91257246b123fce3cbae9d2b3fa3cec8306aafa8314f2918569c2694c8429706a2e56133eeb1c773882b6f3eb0b3300356c3d6
SSDEEP

196608:TQJY0aVhTDfyGR21X5Sp6GemDMPwQaYWhSiMRVA:qY0aVBDfDspfaMPgS1A

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

109.206.246.102:3387

Mutex

MlpCbb9Z3AhhmnSA

Attributes

Install_directory
%AppData%
install_file
骇客开发.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023c44-74.dat	family_xworm
behavioral2/memory/4980-76-0x0000000000290000-0x00000000002C0000-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
4596	powershell.exe
2536	powershell.exe
1372	powershell.exe
404	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	tmposyjctou

Executes dropped EXE 4 IoCs

pid	Process
4980	tmposyjctou
4024	骇客开发.exe
3404	骇客开发.exe
3760	骇客开发.exe

Loads dropped DLL 7 IoCs

pid	Process
5072	sdfysdfa.exe
5072	sdfysdfa.exe
5072	sdfysdfa.exe
5072	sdfysdfa.exe
5072	sdfysdfa.exe
5072	sdfysdfa.exe
5072	sdfysdfa.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\骇客开发 = "C:\\Users\\Admin\\AppData\\Roaming\\骇客开发.exe"	tmposyjctou

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4772	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4980	tmposyjctou

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4596	powershell.exe
4596	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
1372	powershell.exe
1372	powershell.exe
1372	powershell.exe
404	powershell.exe
404	powershell.exe
404	powershell.exe
4980	tmposyjctou

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4980	tmposyjctou
Token: SeDebugPrivilege	4596	powershell.exe
Token: SeDebugPrivilege	2536	powershell.exe
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeDebugPrivilege	404	powershell.exe
Token: SeDebugPrivilege	4024	骇客开发.exe
Token: SeDebugPrivilege	3404	骇客开发.exe
Token: SeDebugPrivilege	3760	骇客开发.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4980	tmposyjctou

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 5072	1036	sdfysdfa.exe	85
PID 1036 wrote to memory of 5072	1036	sdfysdfa.exe	85
PID 5072 wrote to memory of 4980	5072	sdfysdfa.exe	86
PID 5072 wrote to memory of 4980	5072	sdfysdfa.exe	86
PID 4980 wrote to memory of 4596	4980	tmposyjctou	93
PID 4980 wrote to memory of 4596	4980	tmposyjctou	93
PID 4980 wrote to memory of 2536	4980	tmposyjctou	97
PID 4980 wrote to memory of 2536	4980	tmposyjctou	97
PID 4980 wrote to memory of 1372	4980	tmposyjctou	99
PID 4980 wrote to memory of 1372	4980	tmposyjctou	99
PID 4980 wrote to memory of 404	4980	tmposyjctou	101
PID 4980 wrote to memory of 404	4980	tmposyjctou	101
PID 4980 wrote to memory of 4772	4980	tmposyjctou	105
PID 4980 wrote to memory of 4772	4980	tmposyjctou	105

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\dist\sdfysdfa.exe
"C:\Users\Admin\AppData\Local\Temp\dist\sdfysdfa.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Users\Admin\AppData\Local\Temp\dist\sdfysdfa.exe
  "C:\Users\Admin\AppData\Local\Temp\dist\sdfysdfa.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:5072
- - C:\Users\Admin\AppData\Local\Temp\tmposyjctou
    C:\Users\Admin\AppData\Local\Temp\tmposyjctou
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4980
  - - 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\tmposyjctou'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4596
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'tmposyjctou'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2536
  - - 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\骇客开发.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1372
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '骇客开发.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:404
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "骇客开发" /tr "C:\Users\Admin\AppData\Roaming\骇客开发.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4772

C:\Users\Admin\AppData\Roaming\骇客开发.exe
C:\Users\Admin\AppData\Roaming\骇客开发.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4024

C:\Users\Admin\AppData\Roaming\骇客开发.exe
C:\Users\Admin\AppData\Roaming\骇客开发.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3404

C:\Users\Admin\AppData\Roaming\骇客开发.exe
C:\Users\Admin\AppData\Roaming\骇客开发.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

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
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\骇客开发.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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
22310ad6749d8cc38284aa616efcd100

SHA1
440ef4a0a53bfa7c83fe84326a1dff4326dcb515

SHA256
55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

SHA512
2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

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

Filesize
944B

MD5
6d791fc1d2f7b5521ab03583ce9a6a79

SHA1
5d8a779f798c3e42226ac98aa4d575782dc02c3d

SHA256
3d9d7193e588aeeb20ca84811dd4adf049b951bc07173651e81eb14131032e0c

SHA512
37c16a3d0f00c78b151a1e040eac8dcea83727a644e0fc9cc34cd6dc3e8447e1e72c35666342adf64dc208626cfea424c3a6640f68264a85c3eaadea62fb598f

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI10362\VCRUNTIME140.dll

Filesize
106KB

MD5
4585a96cc4eef6aafd5e27ea09147dc6

SHA1
489cfff1b19abbec98fda26ac8958005e88dd0cb

SHA256
a8f950b4357ec12cfccddc9094cca56a3d5244b95e09ea6e9a746489f2d58736

SHA512
d78260c66331fe3029d2cc1b41a5d002ec651f2e3bbf55076d65839b5e3c6297955afd4d9ab8951fbdc9f929dbc65eb18b14b59bce1f2994318564eb4920f286

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI10362\_bz2.pyd

Filesize
82KB

MD5
a62207fc33140de460444e191ae19b74

SHA1
9327d3d4f9d56f1846781bcb0a05719dea462d74

SHA256
ebcac51449f323ae3ae961a33843029c34b6a82138ccd9214cf99f98dd2148c2

SHA512
90f9db9ee225958cb3e872b79f2c70cb1fd2248ebaa8f3282afff9250285852156bf668f5cfec49a4591b416ce7ebaaac62d2d887152f5356512f2347e3762b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI10362\_ctypes.pyd

Filesize
120KB

MD5
9b344f8d7ce5b57e397a475847cc5f66

SHA1
aff1ccc2608da022ecc8d0aba65d304fe74cdf71

SHA256
b1214d7b7efd9d4b0f465ec3463512a1cbc5f59686267030f072e6ce4b2a95cf

SHA512
2b0d9e1b550bf108fa842324ab26555f2a224aefff517fdb16df85693e05adaf0d77ebe49382848f1ec68dc9b5ae75027a62c33721e42a1566274d1a2b1baa41

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI10362\_lzma.pyd

Filesize
155KB

MD5
0c7ea68ca88c07ae6b0a725497067891

SHA1
c2b61a3e230b30416bc283d1f3ea25678670eb74

SHA256
f74aaf0aa08cf90eb1eb23a474ccb7cb706b1ede7f911daf7ae68480765bdf11

SHA512
fd52f20496a12e6b20279646663d880b1354cffea10793506fe4560ed7da53e4efba900ae65c9996fbb3179c83844a9674051385e6e3c26fb2622917351846b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI10362\base_library.zip

Filesize
1.7MB

MD5
c02b1b28775aa757d008b2b0e52a4943

SHA1
f5c12fa0eddb3a4127bd0866714bdcf10a7abead

SHA256
eb71c75ad9fa6aba6e8b793948a96029a190b612bb289c780621757d90c08577

SHA512
58ae35c802ef81da05e9aeef0f16e9b27d6391e9dffb8aa77ea8406497201766d9fd7834d40a167485f452f57b51066988afc344c733129d1e4fad78b8dcf1c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI10362\libffi-8.dll

Filesize
38KB

MD5
0f8e4992ca92baaf54cc0b43aaccce21

SHA1
c7300975df267b1d6adcbac0ac93fd7b1ab49bd2

SHA256
eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a

SHA512
6e1b223462dc124279bfca74fd2c66fe18b368ffbca540c84e82e0f5bcbea0e10cc243975574fa95ace437b9d8b03a446ed5ee0c9b1b094147cefaf704dfe978

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI10362\python311.dll

Filesize
5.5MB

MD5
e2bd5ae53427f193b42d64b8e9bf1943

SHA1
7c317aad8e2b24c08d3b8b3fba16dd537411727f

SHA256
c4844b05e3a936b130adedb854d3c04d49ee54edb43e9d36f8c4ae94ccb78400

SHA512
ae23a6707e539c619fd5c5b4fc6e4734edc91f89ebe024d25ff2a70168da6105ac0bd47cf6bf3715af6411963caf0acbb4632464e1619ca6361abf53adfe7036

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI10362\ucrtbase.dll

Filesize
1021KB

MD5
4e326feeb3ebf1e3eb21eeb224345727

SHA1
f156a272dbc6695cc170b6091ef8cd41db7ba040

SHA256
3c60056371f82e4744185b6f2fa0c69042b1e78804685944132974dd13f3b6d9

SHA512
be9420a85c82eeee685e18913a7ff152fcead72a90ddcc2bcc8ab53a4a1743ae98f49354023c0a32b3a1d919bda64b5d455f6c3a49d4842bbba4aa37c1d05d67

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bbhvk4gg.fx3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmposyjctou

Filesize
171KB

MD5
3de65358ac4bfd660b3a0732fa792efd

SHA1
db110bc382cff7b01cfcad339d2872957515353b

SHA256
c1962fb2b39497d87d631556d48b898393681658a9c40b65164de283c79cf524

SHA512
24ca234b09ad247116ab2142a9f6de4317e24103e21f530c7c5f9dd5c78591c1c3ac87461ce39d9354d0990e6ab9d20fb2ab14cfa2bb7a6b91beaf5bbc1a67f0

Download Submit
memory/4596-77-0x00000128F5F10000-0x00000128F5F32000-memory.dmp

Filesize
136KB

Download
memory/4596-92-0x00007FFEE6660000-0x00007FFEE7121000-memory.dmp

Filesize
10.8MB

Download
memory/4596-89-0x00007FFEE6660000-0x00007FFEE7121000-memory.dmp

Filesize
10.8MB

Download
memory/4596-88-0x00007FFEE6660000-0x00007FFEE7121000-memory.dmp

Filesize
10.8MB

Download
memory/4596-87-0x00007FFEE6660000-0x00007FFEE7121000-memory.dmp

Filesize
10.8MB

Download
memory/4980-76-0x0000000000290000-0x00000000002C0000-memory.dmp

Filesize
192KB

Download
memory/4980-128-0x00007FFEE6660000-0x00007FFEE7121000-memory.dmp

Filesize
10.8MB

Download
memory/4980-129-0x00007FFEE6660000-0x00007FFEE7121000-memory.dmp

Filesize
10.8MB

Download
memory/4980-75-0x00007FFEE6663000-0x00007FFEE6665000-memory.dmp

Filesize
8KB

Download