Analysis
- max time kernel
136s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
14/08/2024, 14:51
Behavioral task
behavioral1
Sample
worksithimk.exe
Resource
win7-20240704-en
9 signatures
150 seconds
General
- Target worksithimk.exe
- Size 46KB
- Sample240814-r8efbsshqm
- SHA256 0a4869f2b7d46eda43c07a1986f8cccecc36b42bf5587b146f6f6a5f119b2bb5
- MD5 63b36e568577473bb71a7b54f56e8ec2
- SHA1 7a36dc6d73687d3e8df8b02abeeaf52b7075e33d
- SHA512 9c41f09037d56b7143596526a26d0a0fd5d45f0d2b1e31e56950a35ef494b60eaf0941cb0e0e485228216aba2fe0accf295988fcc20d664fe9b1bbb20e223305
- SSDEEP 768:jdhO/poiiUcjlJInljsZ8H9Xqk5nWEZ5SbTDaBuI7CPW57:xw+jjgn1sZ8H9XqcnW85SbTkuID
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
xenorat
C2
-
communication-sig.gl.at.ply.gg
Mutex
-
Xeno_rat_nd8912d
Attributes
-
delay
5000
-
install_path
temp
-
port
3038
-
startup_name
Java Updater
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation worksithimk.exe Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation worksithimk.exe - Executes dropped EXE 1 IoCs
pid Process 4924 worksithimk.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language worksithimk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language worksithimk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language choice.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4696 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe 4924 worksithimk.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4924 worksithimk.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3172 wrote to memory of 4924 3172 worksithimk.exe 85 PID 3172 wrote to memory of 4924 3172 worksithimk.exe 85 PID 3172 wrote to memory of 4924 3172 worksithimk.exe 85 PID 4924 wrote to memory of 4696 4924 worksithimk.exe 92 PID 4924 wrote to memory of 4696 4924 worksithimk.exe 92 PID 4924 wrote to memory of 4696 4924 worksithimk.exe 92 PID 4924 wrote to memory of 4608 4924 worksithimk.exe 101 PID 4924 wrote to memory of 4608 4924 worksithimk.exe 101 PID 4924 wrote to memory of 4608 4924 worksithimk.exe 101 PID 4924 wrote to memory of 1388 4924 worksithimk.exe 103 PID 4924 wrote to memory of 1388 4924 worksithimk.exe 103 PID 4924 wrote to memory of 1388 4924 worksithimk.exe 103 PID 4924 wrote to memory of 1064 4924 worksithimk.exe 105 PID 4924 wrote to memory of 1064 4924 worksithimk.exe 105 PID 4924 wrote to memory of 1064 4924 worksithimk.exe 105 PID 1064 wrote to memory of 2028 1064 cmd.exe 107 PID 1064 wrote to memory of 2028 1064 cmd.exe 107 PID 1064 wrote to memory of 2028 1064 cmd.exe 107
Processes
-
C:\Users\Admin\AppData\Local\Temp\worksithimk.exe"C:\Users\Admin\AppData\Local\Temp\worksithimk.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Users\Admin\AppData\Local\Temp\XenoManager\worksithimk.exe"C:\Users\Admin\AppData\Local\Temp\XenoManager\worksithimk.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /Create /TN "Java Updater" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2B32.tmp" /F3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4696
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /query /v /fo csv3⤵
- System Location Discovery: System Language Discovery
PID:4608
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /delete /tn "\Java Updater" /f3⤵
- System Location Discovery: System Language Discovery
PID:1388
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\XenoManager\worksithimk.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 34⤵
- System Location Discovery: System Language Discovery
PID:2028
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\worksithimk.exe.log
- Size 226B
- SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
- MD5 916851e072fbabc4796d8916c5131092
- SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
- SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\XenoManager\worksithimk.exe
- Size 46KB
- SHA256 0a4869f2b7d46eda43c07a1986f8cccecc36b42bf5587b146f6f6a5f119b2bb5
- MD5 63b36e568577473bb71a7b54f56e8ec2
- SHA1 7a36dc6d73687d3e8df8b02abeeaf52b7075e33d
- SHA512 9c41f09037d56b7143596526a26d0a0fd5d45f0d2b1e31e56950a35ef494b60eaf0941cb0e0e485228216aba2fe0accf295988fcc20d664fe9b1bbb20e223305
- SSDEEP 768:jdhO/poiiUcjlJInljsZ8H9Xqk5nWEZ5SbTDaBuI7CPW57:xw+jjgn1sZ8H9XqcnW85SbTkuID
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\tmp2B32.tmp
- Size 1KB
- SHA256 9f2d3e8420ee099022333b5ed8ed213f1f7af19403ef6b004e23435b4552cd63
- MD5 a410a81ddfb6b2667c293a6e28a35b43
- SHA1 91c66502e6db9420c97e185650a1e1eac8781ebc
- SHA512 56bdb835a37b933649a975b80f077917f6a41b3a209c65596c9bc538ec6cb0fadd431ed4168b4f51c737197155561768ed2274699e1b36edc8263f0b2415a492
- MD5 SHA1 SHA512