xworm | a398da321b19f80661444ebc2a9e4d59e3270975787dc015e987237867e8f1d8

Analysis

max time kernel
32s
max time network
33s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
27/06/2023, 17:57

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General

Target

Sex Xe.exe
Size

55KB
MD5

3d30c7a81d8bf18a73cffacc846c8863
SHA1

fba65301d47756544428f83bcf24ed57fa431e85
SHA256

a398da321b19f80661444ebc2a9e4d59e3270975787dc015e987237867e8f1d8
SHA512

82b2d38e5681415f90b270db5809abe5c571db52d4f1706f0a03adf07fa5417b4611f33413fe57eb077a8f2e363e61d211ecc6c54f4962de3a3b27dbbcba7196
SSDEEP

768:9lLFUqECU5IigSwoyg0tNFgmXx2/bQ1GKnZzbWaGwbV0ea0jdeyjTO9hObEEw:HLg5PwVX60GazbWPwbV0ewyjTO9UY

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

bush-gain.at.ply.gg:43233

Attributes

install_file
USB.exe

Signatures

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

Deletes itself 1 IoCs

pid	Process
984	cmd.exe

Drops startup file 2 IoCs

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Windows\CurrentVersion\Run\Sex Xe = "C:\\Users\\Admin\\AppData\\Roaming\\Sex Xe.exe"	Sex Xe.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1544	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1320	Sex Xe.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 984	1320	Sex Xe.exe	28
PID 1320 wrote to memory of 984	1320	Sex Xe.exe	28
PID 1320 wrote to memory of 984	1320	Sex Xe.exe	28
PID 984 wrote to memory of 1544	984	cmd.exe	30
PID 984 wrote to memory of 1544	984	cmd.exe	30
PID 984 wrote to memory of 1544	984	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\Sex Xe.exe
"C:\Users\Admin\AppData\Local\Temp\Sex Xe.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp844D.tmp.bat""
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:984
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp844D.tmp.bat

Filesize
158B

MD5
a08bbfa755a13e06161b552ac7fe3550

SHA1
42182f692485f110c23376709fecc740c54aee2e

SHA256
4e187730552196d15816c04d1874e77fe88e6df6139043543d2dfcdec5d6c1fe

SHA512
2f63a515766a3c104a5b609e4144c3fe2ece646d8010d8316c4ed027bb32baaa6c2316f5f42956d8a26598870978a5b032dedb0752429fa3bf9946af66494a56

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp844D.tmp.bat

Filesize
158B

MD5
a08bbfa755a13e06161b552ac7fe3550

SHA1
42182f692485f110c23376709fecc740c54aee2e

SHA256
4e187730552196d15816c04d1874e77fe88e6df6139043543d2dfcdec5d6c1fe

SHA512
2f63a515766a3c104a5b609e4144c3fe2ece646d8010d8316c4ed027bb32baaa6c2316f5f42956d8a26598870978a5b032dedb0752429fa3bf9946af66494a56

Download Submit
memory/1320-54-0x0000000000350000-0x0000000000362000-memory.dmp

Filesize
72KB

Download
memory/1320-61-0x00000000021B0000-0x0000000002230000-memory.dmp

Filesize
512KB

Download
memory/1320-62-0x00000000021B0000-0x0000000002230000-memory.dmp

Filesize
512KB

Download