xworm | a4a812445d1364563e7c1e852f23319514bba1e5ac38e3386bc77acda6f3ec51

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 17:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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/0x0007000000023cf0-73.dat	family_xworm
behavioral2/memory/1832-76-0x0000000000830000-0x0000000000860000-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
4528	powershell.exe
3832	powershell.exe
4456	powershell.exe
3412	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	tmpjzc2nubk

Executes dropped EXE 3 IoCs

pid	Process
1832	tmpjzc2nubk
448	骇客开发.exe
3004	骇客开发.exe

Loads dropped DLL 7 IoCs

pid	Process
4288	sdfysdfa.exe
4288	sdfysdfa.exe
4288	sdfysdfa.exe
4288	sdfysdfa.exe
4288	sdfysdfa.exe
4288	sdfysdfa.exe
4288	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"	tmpjzc2nubk

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
3916	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1832	tmpjzc2nubk

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4456	powershell.exe
4456	powershell.exe
3412	powershell.exe
3412	powershell.exe
4528	powershell.exe
4528	powershell.exe
3832	powershell.exe
3832	powershell.exe
1832	tmpjzc2nubk

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1832	tmpjzc2nubk
Token: SeDebugPrivilege	4456	powershell.exe
Token: SeDebugPrivilege	3412	powershell.exe
Token: SeDebugPrivilege	4528	powershell.exe
Token: SeDebugPrivilege	3832	powershell.exe
Token: SeDebugPrivilege	448	骇客开发.exe
Token: SeDebugPrivilege	3004	骇客开发.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1832	tmpjzc2nubk

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 4288	3908	sdfysdfa.exe	85
PID 3908 wrote to memory of 4288	3908	sdfysdfa.exe	85
PID 4288 wrote to memory of 1832	4288	sdfysdfa.exe	86
PID 4288 wrote to memory of 1832	4288	sdfysdfa.exe	86
PID 1832 wrote to memory of 4456	1832	tmpjzc2nubk	91
PID 1832 wrote to memory of 4456	1832	tmpjzc2nubk	91
PID 1832 wrote to memory of 3412	1832	tmpjzc2nubk	93
PID 1832 wrote to memory of 3412	1832	tmpjzc2nubk	93
PID 1832 wrote to memory of 4528	1832	tmpjzc2nubk	95
PID 1832 wrote to memory of 4528	1832	tmpjzc2nubk	95
PID 1832 wrote to memory of 3832	1832	tmpjzc2nubk	97
PID 1832 wrote to memory of 3832	1832	tmpjzc2nubk	97
PID 1832 wrote to memory of 3916	1832	tmpjzc2nubk	101
PID 1832 wrote to memory of 3916	1832	tmpjzc2nubk	101

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:3908
- 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:4288
- - C:\Users\Admin\AppData\Local\Temp\tmpjzc2nubk
    C:\Users\Admin\AppData\Local\Temp\tmpjzc2nubk
    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:1832
  - - 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\tmpjzc2nubk'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4456
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'tmpjzc2nubk'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3412
  - - 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:4528
  - - 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:3832
  - - 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:3916

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:448

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:3004

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

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\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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
944B

MD5
9d20bed748fbb656980b0328d7b74728

SHA1
5fc8910c493356c0968a86452cb7952917b954b4

SHA256
172fe07653a93456e66d5b90333de53e23a561cf982a1a9d96c3459339009069

SHA512
eb1f0ca1042371a0d324ba520a9c4159fe91d34cf1851d829b1bf874b92f69fd08c540558d03f9a8c3286926c3c12d89ef9a70ac649c053a02f26922918054f1

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

Filesize
944B

MD5
d8cb3e9459807e35f02130fad3f9860d

SHA1
5af7f32cb8a30e850892b15e9164030a041f4bd6

SHA256
2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68

SHA512
045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI39082\VCRUNTIME140.dll

Filesize
106KB

MD5
4585a96cc4eef6aafd5e27ea09147dc6

SHA1
489cfff1b19abbec98fda26ac8958005e88dd0cb

SHA256
a8f950b4357ec12cfccddc9094cca56a3d5244b95e09ea6e9a746489f2d58736

SHA512
d78260c66331fe3029d2cc1b41a5d002ec651f2e3bbf55076d65839b5e3c6297955afd4d9ab8951fbdc9f929dbc65eb18b14b59bce1f2994318564eb4920f286

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI39082\_bz2.pyd

Filesize
82KB

MD5
a62207fc33140de460444e191ae19b74

SHA1
9327d3d4f9d56f1846781bcb0a05719dea462d74

SHA256
ebcac51449f323ae3ae961a33843029c34b6a82138ccd9214cf99f98dd2148c2

SHA512
90f9db9ee225958cb3e872b79f2c70cb1fd2248ebaa8f3282afff9250285852156bf668f5cfec49a4591b416ce7ebaaac62d2d887152f5356512f2347e3762b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI39082\_ctypes.pyd

Filesize
120KB

MD5
9b344f8d7ce5b57e397a475847cc5f66

SHA1
aff1ccc2608da022ecc8d0aba65d304fe74cdf71

SHA256
b1214d7b7efd9d4b0f465ec3463512a1cbc5f59686267030f072e6ce4b2a95cf

SHA512
2b0d9e1b550bf108fa842324ab26555f2a224aefff517fdb16df85693e05adaf0d77ebe49382848f1ec68dc9b5ae75027a62c33721e42a1566274d1a2b1baa41

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI39082\_lzma.pyd

Filesize
155KB

MD5
0c7ea68ca88c07ae6b0a725497067891

SHA1
c2b61a3e230b30416bc283d1f3ea25678670eb74

SHA256
f74aaf0aa08cf90eb1eb23a474ccb7cb706b1ede7f911daf7ae68480765bdf11

SHA512
fd52f20496a12e6b20279646663d880b1354cffea10793506fe4560ed7da53e4efba900ae65c9996fbb3179c83844a9674051385e6e3c26fb2622917351846b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI39082\base_library.zip

Filesize
1.7MB

MD5
c02b1b28775aa757d008b2b0e52a4943

SHA1
f5c12fa0eddb3a4127bd0866714bdcf10a7abead

SHA256
eb71c75ad9fa6aba6e8b793948a96029a190b612bb289c780621757d90c08577

SHA512
58ae35c802ef81da05e9aeef0f16e9b27d6391e9dffb8aa77ea8406497201766d9fd7834d40a167485f452f57b51066988afc344c733129d1e4fad78b8dcf1c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI39082\libffi-8.dll

Filesize
38KB

MD5
0f8e4992ca92baaf54cc0b43aaccce21

SHA1
c7300975df267b1d6adcbac0ac93fd7b1ab49bd2

SHA256
eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a

SHA512
6e1b223462dc124279bfca74fd2c66fe18b368ffbca540c84e82e0f5bcbea0e10cc243975574fa95ace437b9d8b03a446ed5ee0c9b1b094147cefaf704dfe978

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI39082\python311.dll

Filesize
5.5MB

MD5
e2bd5ae53427f193b42d64b8e9bf1943

SHA1
7c317aad8e2b24c08d3b8b3fba16dd537411727f

SHA256
c4844b05e3a936b130adedb854d3c04d49ee54edb43e9d36f8c4ae94ccb78400

SHA512
ae23a6707e539c619fd5c5b4fc6e4734edc91f89ebe024d25ff2a70168da6105ac0bd47cf6bf3715af6411963caf0acbb4632464e1619ca6361abf53adfe7036

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI39082\ucrtbase.dll

Filesize
1021KB

MD5
4e326feeb3ebf1e3eb21eeb224345727

SHA1
f156a272dbc6695cc170b6091ef8cd41db7ba040

SHA256
3c60056371f82e4744185b6f2fa0c69042b1e78804685944132974dd13f3b6d9

SHA512
be9420a85c82eeee685e18913a7ff152fcead72a90ddcc2bcc8ab53a4a1743ae98f49354023c0a32b3a1d919bda64b5d455f6c3a49d4842bbba4aa37c1d05d67

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_djdsituf.2g0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpjzc2nubk

Filesize
171KB

MD5
3de65358ac4bfd660b3a0732fa792efd

SHA1
db110bc382cff7b01cfcad339d2872957515353b

SHA256
c1962fb2b39497d87d631556d48b898393681658a9c40b65164de283c79cf524

SHA512
24ca234b09ad247116ab2142a9f6de4317e24103e21f530c7c5f9dd5c78591c1c3ac87461ce39d9354d0990e6ab9d20fb2ab14cfa2bb7a6b91beaf5bbc1a67f0

Download Submit
memory/1832-75-0x00007FFB24DF3000-0x00007FFB24DF5000-memory.dmp

Filesize
8KB

Download
memory/1832-76-0x0000000000830000-0x0000000000860000-memory.dmp

Filesize
192KB

Download
memory/1832-128-0x00007FFB24DF0000-0x00007FFB258B1000-memory.dmp

Filesize
10.8MB

Download
memory/1832-129-0x00007FFB24DF0000-0x00007FFB258B1000-memory.dmp

Filesize
10.8MB

Download
memory/4456-88-0x00007FFB24DF0000-0x00007FFB258B1000-memory.dmp

Filesize
10.8MB

Download
memory/4456-89-0x00007FFB24DF0000-0x00007FFB258B1000-memory.dmp

Filesize
10.8MB

Download
memory/4456-92-0x00007FFB24DF0000-0x00007FFB258B1000-memory.dmp

Filesize
10.8MB

Download
memory/4456-87-0x00007FFB24DF0000-0x00007FFB258B1000-memory.dmp

Filesize
10.8MB

Download
memory/4456-86-0x0000022BF9410000-0x0000022BF9432000-memory.dmp

Filesize
136KB

Download