xworm | d074441c881b5ba2b3f238a730edbb942b0dfb97114e1a06ebd4872282a654ef

Analysis

max time kernel
62s
max time network
64s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 01:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fudcrypto.zip
Size

212KB
MD5

8989cf7b833dc53bafc8ec626c3c13d8
SHA1

f5bbc5d9eb758a286de576bfb7b08e79d0bd7acb
SHA256

d074441c881b5ba2b3f238a730edbb942b0dfb97114e1a06ebd4872282a654ef
SHA512

7b373981cf06727207b8177aced9f989270a94635737cc6dbc27c041a3db5559df17987342bcc3d1d3ae8e2770065e27d9eb2c2eb3f92b30f8890a933b03da1e
SSDEEP

6144:B7/IelIkZgzD3ysBmPXjifL7JPkVu0iGty:S6LgzD3oXk7FYJty

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

104.234.114.133:1188

Mutex

cbhMMjEG3bxpp43T

Attributes

Install_directory
%Temp%
install_file
system.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023c9d-21.dat	family_xworm
behavioral2/memory/2564-22-0x0000000000190000-0x000000000019E000-memory.dmp	family_xworm

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

Executes dropped EXE 2 IoCs

pid	Process
4288	fudcrypto.exe
2564	595.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe"	595.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	1544	7zFM.exe
Token: 35	1544	7zFM.exe
Token: SeSecurityPrivilege	1544	7zFM.exe
Token: SeDebugPrivilege	2564	595.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1544	7zFM.exe
1544	7zFM.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4288 wrote to memory of 2564	4288	fudcrypto.exe	108
PID 4288 wrote to memory of 2564	4288	fudcrypto.exe	108

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\fudcrypto.zip"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1544

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4368

C:\Users\Admin\Desktop\fud crypto\fudcrypto.exe
"C:\Users\Admin\Desktop\fud crypto\fudcrypto.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4288
- C:\Users\Admin\AppData\Local\Temp\595.exe
  C:\Users\Admin\AppData\Local\Temp\595.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\595.exe

Filesize
33KB

MD5
bc59447ed6636ac09fbf5faa235e0d67

SHA1
6bc2eda63514866023bf55330153267fc764c88a

SHA256
bec57b2da35fec182afc1eeaf45132aac46da538ea746c7f2c41fd3369677b49

SHA512
9baa8e9a7c59bec41b6a7fa035644fe95a33fa694cc77ecb272de7c532ede869d0ec7c987c1ad35cc2f4dde92dd22d9edb65ccce0e471334768be305b0a11d1e

Download Submit
C:\Users\Admin\Desktop\fud crypto\fudcrypto.exe

Filesize
212KB

MD5
eea17ac368bc01f9f8a3e0103cf5b6e6

SHA1
d4df74f888d9025497c9e4b418c65cfa2c0ab2c0

SHA256
de1d872fa35b4ec1a843db9c63fc7e4590fd3b7b250ab5c6a492630ab68b5886

SHA512
cf297ea8ec540354a22fd046d34f6fc93e74bfe474e4729531263180e4cb35af48c0b6614f5a88c72f0bf767890109eba13c8eca3c9f1f6abaffe7cacabaaccf

Download Submit
memory/2564-22-0x0000000000190000-0x000000000019E000-memory.dmp

Filesize
56KB

Download
memory/4288-14-0x00007FFE2C355000-0x00007FFE2C356000-memory.dmp

Filesize
4KB

Download
memory/4288-15-0x000000001B290000-0x000000001B336000-memory.dmp

Filesize
664KB

Download
memory/4288-16-0x00007FFE2C0A0000-0x00007FFE2CA41000-memory.dmp

Filesize
9.6MB

Download
memory/4288-17-0x00007FFE2C0A0000-0x00007FFE2CA41000-memory.dmp

Filesize
9.6MB

Download
memory/4288-25-0x00007FFE2C0A0000-0x00007FFE2CA41000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads