xworm | 0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 19:46

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General

Target

0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633.exe
Size

100KB
MD5

e56c93a71f5733ebc322a33658d19822
SHA1

dbfc91851cffa4dcc8ef2bd394f14e7e9d3da139
SHA256

0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633
SHA512

edc74826f32c148484509af0e4b8f55d66e16b10cb52d0ec2c43342d215ecee873fba7a56a8f2b43d133d2057e273d70b60d44e1fcf5376733a666bc701a859f
SSDEEP

1536:bEOwgFowSgnVVVHzExnAdgVxDSMnEiqIYdfi/GExtulSpn:4rwanDVxjqdIntulS

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

127.0.0.1:7000

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012102-3.dat	family_xworm
behavioral1/memory/1148-8-0x00000000002E0000-0x00000000002F4000-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
1148	0.dll

Loads dropped DLL 1 IoCs

pid	Process
2580	0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633.exe

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	0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1148	0.dll

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2580	0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 1148	2580	0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633.exe	30
PID 2580 wrote to memory of 1148	2580	0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633.exe	30
PID 2580 wrote to memory of 1148	2580	0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633.exe	30
PID 2580 wrote to memory of 1148	2580	0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633.exe	30

C:\Users\Admin\AppData\Local\Temp\0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633.exe
"C:\Users\Admin\AppData\Local\Temp\0f659dec7213d244ebd6fb42cf85981b6a55e91b7f4d1db1dbfa9e21c9d7e633.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Users\Admin\AppData\Local\Temp\0.dll
  C:\Users\Admin\AppData\Local\Temp\0.dll
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\0.dll

Filesize
54KB

MD5
b7fd5ed6cad1d30f3f85ccca261c8881

SHA1
a53a7eb56898a4d7bddbb67e0e98395ec4e3a4cd

SHA256
651c210acb91494cf0998e7d80c4208f990bec4749af2fb0a3898021db650935

SHA512
983b8b50501ab58a79a927e41aaa5298e42e5564eafafb36fb701a735c818df5b79fd16b3345791abd399cfbc1185d80ebc663bf8e34b05f9a87240506cdcd89

Download Submit
memory/1148-7-0x000007FEF5193000-0x000007FEF5194000-memory.dmp

Filesize
4KB

Download
memory/1148-8-0x00000000002E0000-0x00000000002F4000-memory.dmp

Filesize
80KB

Download
memory/1148-9-0x000007FEF5190000-0x000007FEF5B7C000-memory.dmp

Filesize
9.9MB

Download
memory/1148-10-0x000007FEF5193000-0x000007FEF5194000-memory.dmp

Filesize
4KB

Download
memory/1148-11-0x000007FEF5190000-0x000007FEF5B7C000-memory.dmp

Filesize
9.9MB

Download