Analysis
- max time kernel
133s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
05/11/2024, 10:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d8c874b2f3101b888c0307a3135326263d65665adf93e5cada122c765a054adc.exe
Resource
win7-20241010-en
6 signatures
150 seconds
General
- Target d8c874b2f3101b888c0307a3135326263d65665adf93e5cada122c765a054adc.exe
- Size 158KB
- Sample241105-l7zf8azepp
- SHA256 d8c874b2f3101b888c0307a3135326263d65665adf93e5cada122c765a054adc
- MD5 f39aa63640544e201c35e4ecc70f5b6c
- SHA1 6f7cbcf265f9a8160df7e9f5344a377e26da93c1
- SHA512 2ea8ac295d56cb017719eeca9eabc34fd23f724749d83883584d3a639b50ae2245e3eb89467d1621716c3ed54afcd822311c892fa15278b125329d93612ab08a
- SSDEEP 3072:VyQjswuedxx2GFQ5psohfNUshn76Wtve7gRPyXVxj+5OWO8GwmQqoyK+EtY:VyQYOdyIQ5pvhfDn7HvcHC9Gw/ixE
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
xworm
C2
-
xxxx.freedynamicdns.net:1997
Attributes
-
Install_directory
%LocalAppData%
-
install_file
explorer.exe
-
telegram
https://api.telegram.org/bot7470132733:AAFv29agMHCbkbiHbNHt7LzTib-Els5808o/sendMessage?chat_id=761641337
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/1640-5-0x0000000004BC0000-0x0000000004BDA000-memory.dmp family_xworm - Xworm family
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 21 ip-api.com - Program crash 1 IoCs
pid pid_target Process procid_target 1444 1640 WerFault.exe 83 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d8c874b2f3101b888c0307a3135326263d65665adf93e5cada122c765a054adc.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1640 d8c874b2f3101b888c0307a3135326263d65665adf93e5cada122c765a054adc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\d8c874b2f3101b888c0307a3135326263d65665adf93e5cada122c765a054adc.exe"C:\Users\Admin\AppData\Local\Temp\d8c874b2f3101b888c0307a3135326263d65665adf93e5cada122c765a054adc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1640 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 17562⤵
- Program crash
PID:1444
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1640 -ip 16401⤵PID:2404