gh0strat | 3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49

Analysis

max time kernel
144s
max time network
134s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 20:31

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General

Target

3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
Size

277KB
MD5

d8095d66035a28aa7085f597fb209c05
SHA1

434ef18db79cf0a6c7f53329a32f1875a7d2fce6
SHA256

3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49
SHA512

3e4b26e081484bb05694691764d38d909d03d76bf076b4a436abf1a017a32b30580d5a0164bccd49ec93c3484be43616e45fdabf435093b2c43b35cc4924bab0
SSDEEP

6144:9agePDVnYMRNM3+c6M2UBGsoozQ9bVxHi/vwJ:9agePDVtRsykgxHigJ

Score

10^/10

gh0strat bootkit defense_evasion discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/1992-20-0x0000000000400000-0x000000000047F000-memory.dmp	family_gh0strat
behavioral1/memory/2808-26-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2808-27-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2808-28-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2808-31-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/1992-55-0x0000000000400000-0x000000000047F000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Deletes itself 1 IoCs

pid	Process
1032	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2808	ctfn0m.ini
2844	ixqurvf.exe

Loads dropped DLL 10 IoCs

pid	Process
1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
2808	ctfn0m.ini
2808	ctfn0m.ini
2808	ctfn0m.ini
2808	ctfn0m.ini
1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
2844	ixqurvf.exe
2844	ixqurvf.exe
2844	ixqurvf.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	ctfn0m.ini

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File created	C:\Program Files\ctfn0m.ini	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
File opened for modification	C:\Program Files\ctfn0m.ini	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
File created	C:\Program Files\Common Files\loveuu.bat	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
File created	C:\Program Files\bndegnrhfq\mixqurv.exe	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
File opened for modification	C:\Program Files\Common Files\qiuqiu.cpp	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
File created	C:\Program Files\Common Files\qiuqiu.cpp	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
File created	C:\Program Files\bndegnrhfq\ixqurvf.exe	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2344	sc.exe
2556	sc.exe

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctfn0m.ini
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ixqurvf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ctfn0m.ini
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	ctfn0m.ini

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{603D3801-BD81-11d0-A3A5-00C04FD706EC}\InProcServer32	ixqurvf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	ixqurvf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{603D3801-BD81-11d0-A3A5-00C04FD706EC}	ixqurvf.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2808	ctfn0m.ini
2808	ctfn0m.ini
2808	ctfn0m.ini

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2808	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	30
PID 1992 wrote to memory of 2808	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	30
PID 1992 wrote to memory of 2808	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	30
PID 1992 wrote to memory of 2808	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	30
PID 1992 wrote to memory of 2808	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	30
PID 1992 wrote to memory of 2808	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	30
PID 1992 wrote to memory of 2808	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	30
PID 1992 wrote to memory of 2344	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	32
PID 1992 wrote to memory of 2344	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	32
PID 1992 wrote to memory of 2344	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	32
PID 1992 wrote to memory of 2344	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	32
PID 1992 wrote to memory of 2344	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	32
PID 1992 wrote to memory of 2344	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	32
PID 1992 wrote to memory of 2344	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	32
PID 1992 wrote to memory of 2556	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	33
PID 1992 wrote to memory of 2556	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	33
PID 1992 wrote to memory of 2556	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	33
PID 1992 wrote to memory of 2556	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	33
PID 1992 wrote to memory of 2556	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	33
PID 1992 wrote to memory of 2556	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	33
PID 1992 wrote to memory of 2556	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	33
PID 1992 wrote to memory of 2844	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	35
PID 1992 wrote to memory of 2844	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	35
PID 1992 wrote to memory of 2844	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	35
PID 1992 wrote to memory of 2844	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	35
PID 1992 wrote to memory of 2844	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	35
PID 1992 wrote to memory of 2844	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	35
PID 1992 wrote to memory of 2844	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	35
PID 2844 wrote to memory of 2340	2844	ixqurvf.exe	37
PID 2844 wrote to memory of 2340	2844	ixqurvf.exe	37
PID 2844 wrote to memory of 2340	2844	ixqurvf.exe	37
PID 2844 wrote to memory of 2340	2844	ixqurvf.exe	37
PID 2844 wrote to memory of 2340	2844	ixqurvf.exe	37
PID 2844 wrote to memory of 2340	2844	ixqurvf.exe	37
PID 2844 wrote to memory of 2340	2844	ixqurvf.exe	37
PID 1992 wrote to memory of 1032	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	38
PID 1992 wrote to memory of 1032	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	38
PID 1992 wrote to memory of 1032	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	38
PID 1992 wrote to memory of 1032	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	38
PID 1992 wrote to memory of 1032	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	38
PID 1992 wrote to memory of 1032	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	38
PID 1992 wrote to memory of 1032	1992	3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe	38

C:\Users\Admin\AppData\Local\Temp\3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe
"C:\Users\Admin\AppData\Local\Temp\3a45b87162729006af3ee1c7cb57ec6b912b79a337f90a358350b28a05556b49.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Program Files\ctfn0m.ini
  "C:\Program Files\ctfn0m.ini" "C:\Program Files\bndegnrhfq\mixqurv.exe" ServiceMain
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2808
- C:\Windows\SysWOW64\sc.exe
  sc config RasAuto start= auto
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2344
- C:\Windows\SysWOW64\sc.exe
  sc config RasAuto start= auto
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2556
- C:\Program Files\bndegnrhfq\ixqurvf.exe
  "C:\Program Files\bndegnrhfq\ixqurvf.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del C:\PROGRA~1\BNDEGN~1\ixqurvf.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2340
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del C:\Users\Admin\AppData\Local\Temp\3A45B8~1.EXE
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Program Files\bndegnrhfq\ixqurvf.exe

Filesize
21KB

MD5
7866f511804da8322cfab91c56a31a75

SHA1
5bd23f8b9239f01345b38127a8c31542ef8e580b

SHA256
6bf54b89b78c71e4fa8a48950049bc4bbeea256116ea942bc53627291e52007c

SHA512
a9200a26d6edba9369bcbd8075114bf5781e049c369bfd977dbc0f5301795a839b641a209b8f48f58d9d2ba2a72b587d4a1a4a1eff72c5a4454e2146f88fd137

Download Submit
\Program Files\ctfn0m.ini

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1992-43-0x00000000003A0000-0x00000000003A4000-memory.dmp

Filesize
16KB

Download
memory/1992-2-0x0000000000300000-0x000000000037F000-memory.dmp

Filesize
508KB

Download
memory/1992-7-0x0000000000270000-0x0000000000272000-memory.dmp

Filesize
8KB

Download
memory/1992-5-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-6-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1992-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-38-0x00000000003A0000-0x00000000003A4000-memory.dmp

Filesize
16KB

Download
memory/1992-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-21-0x0000000000300000-0x000000000037F000-memory.dmp

Filesize
508KB

Download
memory/1992-3-0x0000000000300000-0x000000000033E000-memory.dmp

Filesize
248KB

Download
memory/1992-4-0x0000000000300000-0x000000000033E000-memory.dmp

Filesize
248KB

Download
memory/1992-0-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1992-29-0x0000000000300000-0x000000000033E000-memory.dmp

Filesize
248KB

Download
memory/1992-53-0x0000000000300000-0x000000000033E000-memory.dmp

Filesize
248KB

Download
memory/1992-1-0x0000000000300000-0x000000000037F000-memory.dmp

Filesize
508KB

Download
memory/2808-27-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2808-28-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2808-31-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2808-26-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2844-45-0x0000000000400000-0x00000000004030CC-memory.dmp

Filesize
12KB

Download
memory/2844-51-0x0000000000020000-0x0000000000024000-memory.dmp

Filesize
16KB

Download
memory/2844-50-0x0000000000020000-0x0000000000024000-memory.dmp

Filesize
16KB

Download
memory/2844-52-0x0000000000400000-0x00000000004030CC-memory.dmp

Filesize
12KB

Download