xworm | 0b6f399b1b5e976944d903b553343fa00c0af1dacecfcb161b7018c3282c8c8d

Analysis

max time kernel
2s
max time network
3s
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, 13:44

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General

Target

Sukioshe.API.bat
Size

102KB
MD5

378a551aa3a4c5e0adec167eaa224b24
SHA1

0f55fd5a8bae0149321975f44599314ca96d954d
SHA256

0b6f399b1b5e976944d903b553343fa00c0af1dacecfcb161b7018c3282c8c8d
SHA512

a291af2e59ac3db474a6139b6ce2d672d6c556a61bc7ec0360e32565d93c5a1d8c71b7306826232fb78749b6b0a72787763b7ca94e2cda38b0afbcb9ab0e890e
SSDEEP

1536:y1YNBiAGQ4g3JGPFSutTsn5zr73oWiA6WwprhyIha1CjRAoH28oKN34rmeeS3BQe:Hf0Qn3CFSutIHwp9yJCj+oWC45eWKe

Score

10^/10

xworm defense_evasion rat trojan

Malware Config

Extracted

Family

xworm

45.88.91.101:7000

Attributes

Install_directory
%AppData%
install_file
win32.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0007000000023d61-4.dat	family_xworm
behavioral1/memory/820-7-0x0000000000990000-0x00000000009A8000-memory.dmp	family_xworm

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

Executes dropped EXE 1 IoCs

pid	Process
820	embedded.exe

Deobfuscate/Decode Files or Information 1 TTPs 1 IoCs

Payload decoded via CertUtil.

defense_evasion

Deobfuscate/Decode Files or Information

T1140

pid	Process
3672	certutil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	820	embedded.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 3672	3564	cmd.exe	88
PID 3564 wrote to memory of 3672	3564	cmd.exe	88
PID 3564 wrote to memory of 820	3564	cmd.exe	90
PID 3564 wrote to memory of 820	3564	cmd.exe	90

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Sukioshe.API.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3564
- C:\Windows\system32\certutil.exe
  certutil -decode "C:\Users\Admin\AppData\Local\Temp\embedded.b64" "C:\Users\Admin\AppData\Local\Temp\embedded.exe"
  2⤵
  - Deobfuscate/Decode Files or Information
  PID:3672
- C:\Users\Admin\AppData\Local\Temp\embedded.exe
  "C:\Users\Admin\AppData\Local\Temp\embedded.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Deobfuscate/Decode Files or Information

T1140

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\embedded.b64

Filesize
93KB

MD5
1295e2412bafad04d40296c30e863a57

SHA1
510bd48bb534ed067c4173c3f101652b97d70c81

SHA256
940c1d404fb9824f5c2f549098c99e4001fd8dd60ca47ea2d7d9aeff9654f533

SHA512
51fb977c758466d08d53875e0eecde03b98015b98843756975739019d4e0b5ed2b632f56b2d719bd4f53c9aeb6576315f910079a1a20876ed7279b6bef80f18c

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

Filesize
69KB

MD5
6ce124f705bb296be16f329d0e4be099

SHA1
f7c01f22ecbfae4e6f2c297c29770b52d2db3ad9

SHA256
43c7837200a3d03c1de24f2be3d7ea78921296c01dcd74177dfb1b8a0e505440

SHA512
48cad8c2494b021c81d8549c53a1ab015195081afe90c781a6bda56dbcd9242035dd634ec08579ae73ad0bac8a2e383c3eeee94f5cd629f8111a638d05f4067a

Download Submit
memory/820-6-0x00007FFD9E2E3000-0x00007FFD9E2E5000-memory.dmp

Filesize
8KB

Download
memory/820-7-0x0000000000990000-0x00000000009A8000-memory.dmp

Filesize
96KB

Download