xworm | 7221fe6503a6c7a114a70601e6211093698d74c5286f8ff17822df52b510cfd5

Analysis

max time kernel
148s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2025, 23:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

BootstrapperNew.exe
Size

2.9MB
MD5

a6e5c269f23e7de3907676c9b4220e36
SHA1

4fec20effa5aa204a6fb5d6ec6da9efee2b23162
SHA256

7221fe6503a6c7a114a70601e6211093698d74c5286f8ff17822df52b510cfd5
SHA512

9d56b1ce265c47206b650e212f61050f653290a773ab266d774c37e61579015b3e1cc876c240dc31d8878365a1373da7e9df683217323bd63f1ccf2edb636b00
SSDEEP

49152:QLEu3S+KvEhtxXrdoQ9/SSA6d/MxC6U+3SVTlIJMuy4V5jDFQPKW9OTk8o:qjS+KvEFmASRuf6L3aqvFM9O5o

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

127.0.0.1:36623

fax-scenarios.gl.at.ply.gg:36623

Mutex

iq4Cbvqxc9yxmDW5

Attributes

Install_directory
%AppData%
install_file
svchost.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000c000000023c21-36.dat	family_xworm
behavioral1/memory/216-39-0x0000000000710000-0x0000000000722000-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
2268	powershell.exe
5068	powershell.exe
4532	powershell.exe
1880	powershell.exe

Checks computer location settings 2 TTPs 3 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-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation	BootstrapperNew.exe
Key value queried	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation	Bootstrappe.exe
Key value queried	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation	X.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 5 IoCs

pid	Process
1416	Bootstrappe.exe
2764	SolaraNew.exe
216	X.exe
1860	svchost.exe
4428	svchost.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-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	X.exe

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
3040	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2268	powershell.exe
2268	powershell.exe
5068	powershell.exe
5068	powershell.exe
4532	powershell.exe
4532	powershell.exe
1880	powershell.exe
1880	powershell.exe
216	X.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	216	X.exe
Token: SeDebugPrivilege	2268	powershell.exe
Token: SeDebugPrivilege	5068	powershell.exe
Token: SeDebugPrivilege	4532	powershell.exe
Token: SeDebugPrivilege	1880	powershell.exe
Token: SeDebugPrivilege	216	X.exe
Token: SeDebugPrivilege	1860	svchost.exe
Token: SeDebugPrivilege	4428	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
216	X.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 1416	1464	BootstrapperNew.exe	84
PID 1464 wrote to memory of 1416	1464	BootstrapperNew.exe	84
PID 1416 wrote to memory of 2764	1416	Bootstrappe.exe	87
PID 1416 wrote to memory of 2764	1416	Bootstrappe.exe	87
PID 1416 wrote to memory of 216	1416	Bootstrappe.exe	88
PID 1416 wrote to memory of 216	1416	Bootstrappe.exe	88
PID 216 wrote to memory of 2268	216	X.exe	94
PID 216 wrote to memory of 2268	216	X.exe	94
PID 216 wrote to memory of 5068	216	X.exe	97
PID 216 wrote to memory of 5068	216	X.exe	97
PID 216 wrote to memory of 4532	216	X.exe	100
PID 216 wrote to memory of 4532	216	X.exe	100
PID 216 wrote to memory of 1880	216	X.exe	102
PID 216 wrote to memory of 1880	216	X.exe	102
PID 216 wrote to memory of 3040	216	X.exe	104
PID 216 wrote to memory of 3040	216	X.exe	104

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\BootstrapperNew.exe
"C:\Users\Admin\AppData\Local\Temp\BootstrapperNew.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Users\Admin\AppData\Local\Temp\Bootstrappe.exe
  "C:\Users\Admin\AppData\Local\Temp\Bootstrappe.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Users\Admin\AppData\Local\Temp\SolaraNew.exe
    "C:\Users\Admin\AppData\Local\Temp\SolaraNew.exe"
    3⤵
    - Executes dropped EXE
    PID:2764
- - C:\Users\Admin\AppData\Local\Temp\X.exe
    "C:\Users\Admin\AppData\Local\Temp\X.exe"
    3⤵
    - Checks computer location settings
    - Drops startup file
    - 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:216
  - - 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\X.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2268
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'X.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5068
  - - 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'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4532
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1880
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3040

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1860

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4428

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\svchost.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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
944B

MD5
f41f42c322498af0591f396c59dd4304

SHA1
e1e5aa68d73d48bc5e743a34f6c0fa8960ff7514

SHA256
d8bd9a4a363ff2ac2dc887759ec6ba4215a4ce0925a8fb9c531573458ee4a31c

SHA512
2328a1b402b4fb0de9c451fb630eab58549129d3bcfb70b9834cfbd16065ebaadec006b309ea17ac182d34c53e01705cbc9e0196eb0cbd62600c866e79a1844f

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

Filesize
944B

MD5
d81a2c2874bbf24d30e051f4afb358c6

SHA1
3712d23c90915249af49b94dcf1a721ec5aea09a

SHA256
4f8549a3eb3dd68100c00f7f84bbd2ece45bf146638ce883ee81908bd282ce9b

SHA512
f34490ddf5cc85abb71543612522192a88dfe2bcfad473038c49a48aa095b1ef8f49e49b17e9efe7e4a28cea3d1af4dcbdbc4c232121e90545239c19c768c0b6

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

Filesize
2.9MB

MD5
131133cc49e50582830a994f8f5b4801

SHA1
6a462b92271e41bd2eb429a43d130ee5e16611c3

SHA256
e4cbecaaff0904bcd1ffd4d95287d5a5e952af98597781aab9a9cb8cd9f8d915

SHA512
0c59301cf9f328395cd421d54b6becf9e4aefe40248ebbaee69ba557ca8108b65c0e30bec6a30c412646dc8de5b8c86b35093b952a7cfa378caf74a276ccf459

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

Filesize
2.9MB

MD5
f227cdfd423b3cc03bb69c49babf4da3

SHA1
3db5a97d9b0f2545e7ba97026af6c28512200441

SHA256
cb5d6c1ca0aa6232a2d55e14b20ac4a9945a0bd063c57d60a5ed3ae94160e3e8

SHA512
b10afd03b02a928545c16fad39a6ae46b68b1e1a2477a6990803ce80008e7161fb2ebc9380ba15a1b074bb436aa34bcd6c94a922933d438b1c22489717e1e10e

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

Filesize
44KB

MD5
d8dec448ddbb0749bbe3f4259c9bc29b

SHA1
93886a2b1c55fa6ff41ac5bce6945e601d355f8c

SHA256
56ef629323495497970ffe5efd4c3197bd8043825ba264b9e6294113675820ac

SHA512
20739296d87d15b801086a8e7478875722e83dc1fd4004e9905a1c6f8c0c8913644bcf7e5b7aecb760f4870354118fc10d218f952fcd7b204c1f0ebae4e4a400

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xdjmvz5i.fxk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/216-39-0x0000000000710000-0x0000000000722000-memory.dmp

Filesize
72KB

Download
memory/1416-41-0x00007FFB03460000-0x00007FFB03F21000-memory.dmp

Filesize
10.8MB

Download
memory/1416-15-0x00007FFB03460000-0x00007FFB03F21000-memory.dmp

Filesize
10.8MB

Download
memory/1416-14-0x00000000001F0000-0x00000000004E2000-memory.dmp

Filesize
2.9MB

Download
memory/1464-0-0x00007FFB03463000-0x00007FFB03465000-memory.dmp

Filesize
8KB

Download
memory/1464-1-0x0000000000560000-0x0000000000854000-memory.dmp

Filesize
3.0MB

Download
memory/2268-64-0x00000219A1A60000-0x00000219A1A82000-memory.dmp

Filesize
136KB

Download
memory/2764-46-0x0000025C74CA0000-0x0000025C74DA0000-memory.dmp

Filesize
1024KB

Download
memory/2764-49-0x0000025C74690000-0x0000025C74698000-memory.dmp

Filesize
32KB

Download
memory/2764-51-0x0000025C74680000-0x0000025C7468A000-memory.dmp

Filesize
40KB

Download
memory/2764-50-0x0000025C74DA0000-0x0000025C74DB6000-memory.dmp

Filesize
88KB

Download
memory/2764-52-0x0000025C74600000-0x0000025C7460A000-memory.dmp

Filesize
40KB

Download
memory/2764-53-0x0000025C74DD0000-0x0000025C74DD8000-memory.dmp

Filesize
32KB

Download
memory/2764-48-0x0000025C74650000-0x0000025C74676000-memory.dmp

Filesize
152KB

Download
memory/2764-47-0x0000025C745F0000-0x0000025C745FA000-memory.dmp

Filesize
40KB

Download
memory/2764-44-0x0000025C74610000-0x0000025C74648000-memory.dmp

Filesize
224KB

Download
memory/2764-45-0x0000025C745E0000-0x0000025C745EE000-memory.dmp

Filesize
56KB

Download
memory/2764-43-0x0000025C74590000-0x0000025C74598000-memory.dmp

Filesize
32KB

Download
memory/2764-42-0x0000025C6D000000-0x0000025C6D010000-memory.dmp

Filesize
64KB

Download
memory/2764-40-0x0000025C6C8E0000-0x0000025C6CBC2000-memory.dmp

Filesize
2.9MB

Download