xworm | 56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260

Analysis

max time kernel
78s
max time network
147s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-09-2024 21:12

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General

Target

56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe
Size

7.0MB
MD5

f52edee9472d973f7aedaa58baed96e6
SHA1

dee4734806f0a47e81627a66b2c75e5ec37b6b1a
SHA256

56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260
SHA512

1568f66ea43208900e1800ac59946f92d426d05d00783decdce31eb088ec54cd467adf640e5b2a5388f5ee6ccd2840dfe551f9ae18c06b168a469ec18a85ef0b
SSDEEP

98304:bmurSHFk4vh9IWa/LP3Nm9Zlxne1uxetbDEgovbddnY6Jy3yH/O:b6m7P3Nm9ZWiADEp5F0R

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

146.190.110.91:3389

Attributes

Install_directory
%AppData%
install_file
svchost.exe
telegram
https://api.telegram.org/bot7023899363:AAFEzgbfWzhyE32Lf95TKSRYEYXMd4AfMyk/sendMessage?chat_id=6354844663

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/2732-16-0x0000000000F70000-0x0000000000F86000-memory.dmp	family_xworm
behavioral1/files/0x0035000000017530-15.dat	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2444	powershell.exe
1360	powershell.exe
2712	powershell.exe
2268	powershell.exe
1232	powershell.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msedgewebview2.exe.lnk	msedgewebview2.exe

Executes dropped EXE 4 IoCs

pid	Process
988	Luxury Crypter.exe
2732	svchost.exe
2680	msedgewebview2.exe
2228	msedgewebview2.exe

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	Luxury Crypter.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
400	timeout.exe

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
2008	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2732	svchost.exe
2228	msedgewebview2.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2444	powershell.exe
1360	powershell.exe
2712	powershell.exe
2268	powershell.exe
2732	svchost.exe
1232	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	svchost.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	1360	powershell.exe
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	2268	powershell.exe
Token: SeDebugPrivilege	2732	svchost.exe
Token: SeDebugPrivilege	2680	msedgewebview2.exe
Token: SeDebugPrivilege	1232	powershell.exe
Token: SeDebugPrivilege	2228	msedgewebview2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2732	svchost.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 988	2380	56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe	29
PID 2380 wrote to memory of 988	2380	56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe	29
PID 2380 wrote to memory of 988	2380	56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe	29
PID 2380 wrote to memory of 988	2380	56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe	29
PID 2380 wrote to memory of 2732	2380	56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe	30
PID 2380 wrote to memory of 2732	2380	56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe	30
PID 2380 wrote to memory of 2732	2380	56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe	30
PID 2732 wrote to memory of 2444	2732	svchost.exe	31
PID 2732 wrote to memory of 2444	2732	svchost.exe	31
PID 2732 wrote to memory of 2444	2732	svchost.exe	31
PID 2732 wrote to memory of 1360	2732	svchost.exe	33
PID 2732 wrote to memory of 1360	2732	svchost.exe	33
PID 2732 wrote to memory of 1360	2732	svchost.exe	33
PID 2732 wrote to memory of 2712	2732	svchost.exe	35
PID 2732 wrote to memory of 2712	2732	svchost.exe	35
PID 2732 wrote to memory of 2712	2732	svchost.exe	35
PID 2380 wrote to memory of 2680	2380	56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe	37
PID 2380 wrote to memory of 2680	2380	56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe	37
PID 2380 wrote to memory of 2680	2380	56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe	37
PID 2732 wrote to memory of 2268	2732	svchost.exe	38
PID 2732 wrote to memory of 2268	2732	svchost.exe	38
PID 2732 wrote to memory of 2268	2732	svchost.exe	38
PID 2680 wrote to memory of 1232	2680	msedgewebview2.exe	41
PID 2680 wrote to memory of 1232	2680	msedgewebview2.exe	41
PID 2680 wrote to memory of 1232	2680	msedgewebview2.exe	41
PID 2680 wrote to memory of 2008	2680	msedgewebview2.exe	43
PID 2680 wrote to memory of 2008	2680	msedgewebview2.exe	43
PID 2680 wrote to memory of 2008	2680	msedgewebview2.exe	43
PID 2680 wrote to memory of 2228	2680	msedgewebview2.exe	45
PID 2680 wrote to memory of 2228	2680	msedgewebview2.exe	45
PID 2680 wrote to memory of 2228	2680	msedgewebview2.exe	45
PID 2680 wrote to memory of 1668	2680	msedgewebview2.exe	46
PID 2680 wrote to memory of 1668	2680	msedgewebview2.exe	46
PID 2680 wrote to memory of 1668	2680	msedgewebview2.exe	46
PID 1668 wrote to memory of 400	1668	cmd.exe	48
PID 1668 wrote to memory of 400	1668	cmd.exe	48
PID 1668 wrote to memory of 400	1668	cmd.exe	48

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\56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe
"C:\Users\Admin\AppData\Local\Temp\56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\Luxury Crypter.exe
  "C:\Users\Admin\AppData\Local\Temp\Luxury Crypter.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:988
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2732
- - 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:2444
- - 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:1360
- - 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:2712
- - 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:2268
- C:\ProgramData\msedgewebview2.exe
  "C:\ProgramData\msedgewebview2.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\ACCApi'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1232
- - C:\Windows\system32\schtasks.exe
    "schtasks.exe" /create /tn msedgewebview2 /tr "C:\Users\Admin\AppData\Local\ACCApi\msedgewebview2.exe" /st 21:17 /du 23:59 /sc daily /ri 1 /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2008
- - C:\Users\Admin\AppData\Local\ACCApi\msedgewebview2.exe
    "C:\Users\Admin\AppData\Local\ACCApi\msedgewebview2.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of AdjustPrivilegeToken
    PID:2228
- - C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp3218.tmp.cmd""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1668
  - - C:\Windows\system32\timeout.exe
      timeout 6
      4⤵
      Delays execution with timeout.exe
      PID:400

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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\Temp\Luxury Crypter.exe

Filesize
8.8MB

MD5
9c55d8c0b720f652e4ad3753e9939b99

SHA1
ee69da72e65d44638f352791b2114887e2110384

SHA256
44a220f92ce2822d3d8e9c7ded429c9e53f650224759c8ec75c49706716fda77

SHA512
ea88bcf9b289ef4b2ba34f3b7818aee672867418d4e8fb29d5fac99688e30babfc21a7279151397ef47f8d852b8129ed63a42eec7e1a5bd598c744af9da320b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3218.tmp.cmd

Filesize
147B

MD5
bc486dee4bccddaa61f8c4acdf3dda83

SHA1
eafa003d5738ddff14fe831eac347a0f241f873a

SHA256
4e6f4951c2c3e3906822f17ef742740ac28bb1ddbcdf1cac86641e5bdad6351b

SHA512
8f8124391a772182d5f48e80ee91244cbb26a401e9eb5d7c62f1d7158cba7697be3b1715fe029ae2226bfe52235c2a9dd3f082fb5cdd7f90c237dda1fb5edf05

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
6999f241cfabfa28d34f24337b511bae

SHA1
12d67c2ade68686e81f6b9b33386edb4e26f0478

SHA256
5721c2a0edf042b3e53b057ab4552f34aae58ac4919a78755407168c0c30425a

SHA512
239e7dfa4bf757e3b995bdd9c7c9691ebff0558c76493bfecd8373fea8856e50a041eb2b61247b0ac047e1c29c54a5bcd2be561513b295f59162b0276c2735e5

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
67KB

MD5
39f4793e3bd69fde3059e02b84875bef

SHA1
4ae174ff10e05e7946c6220b2ef7565830596b3c

SHA256
eee698d53132459d85ad39ef66c6b33769dbf69469a346a1ea26c13eebfb4102

SHA512
4642ba370d794ffc0dac13a84f8ea3501f9a88a0d2584daecbb340b92cce1dd14c46b7d9d5f4a27a60c1365584f995aa7e93fdc70c4775425f5b3590f6eeec50

Download Submit
memory/988-17-0x00000000001A0000-0x0000000000A7A000-memory.dmp

Filesize
8.9MB

Download
memory/1232-63-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/1232-62-0x000000001B730000-0x000000001BA12000-memory.dmp

Filesize
2.9MB

Download
memory/1360-29-0x000000001B760000-0x000000001BA42000-memory.dmp

Filesize
2.9MB

Download
memory/1360-30-0x0000000001D20000-0x0000000001D28000-memory.dmp

Filesize
32KB

Download
memory/2228-76-0x0000000000D40000-0x0000000000D82000-memory.dmp

Filesize
264KB

Download
memory/2268-53-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/2268-52-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/2380-0-0x000007FEF6323000-0x000007FEF6324000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x00000000000E0000-0x00000000007E8000-memory.dmp

Filesize
7.0MB

Download
memory/2380-2-0x000007FEF6320000-0x000007FEF6D0C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-46-0x000007FEF6320000-0x000007FEF6D0C000-memory.dmp

Filesize
9.9MB

Download
memory/2444-22-0x000000001B730000-0x000000001BA12000-memory.dmp

Filesize
2.9MB

Download
memory/2444-23-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2680-45-0x0000000000240000-0x0000000000282000-memory.dmp

Filesize
264KB

Download
memory/2712-38-0x0000000001FD0000-0x0000000001FD8000-memory.dmp

Filesize
32KB

Download
memory/2712-37-0x000000001B710000-0x000000001B9F2000-memory.dmp

Filesize
2.9MB

Download
memory/2732-16-0x0000000000F70000-0x0000000000F86000-memory.dmp

Filesize
88KB

Download