gh0strat | b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057

General

Target

b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
Size

261KB
MD5

0f5ee9b030bd02b9c004590516c10e50
SHA1

8401ab40b0bee41f1a33d81636ec8951ed284260
SHA256

b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057
SHA512

0e3384b67e723e22c72bb12c2f0466efbc226d810f588a3797c6a7a1fa91841adaaea6514891ca56a043835e69809c7774b40361593e8666fddb4513edba4476
SSDEEP

6144:YtxkogeWOWQSE7MnI23PDvjGsoozQ9bVxbYR8f:YtxkogeWOWxEId3rv6kgxy8f

Score

10^/10

gh0strat bootkit persistence rat

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

Processes:

resource	yara_rule
C:\Program Files\cqfhhq\k.exe	family_gh0strat
behavioral1/memory/2580-24-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2580-25-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2552-26-0x0000000000400000-0x0000000000477000-memory.dmp	family_gh0strat
behavioral1/memory/2552-46-0x0000000000400000-0x0000000000477000-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

Processes:

cmd.exe

pid process

2652 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

ctfn0m.inig.exe

pid process

2580 ctfn0m.ini
2796 g.exe

pid	process
2652	cmd.exe

pid	process
2580	ctfn0m.ini
2796	g.exe

Loads dropped DLL 10 IoCs

Processes:

b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exectfn0m.inig.exe

pid	process
2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
2580	ctfn0m.ini
2580	ctfn0m.ini
2580	ctfn0m.ini
2580	ctfn0m.ini
2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
2796	g.exe
2796	g.exe
2796	g.exe

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

Processes:

ctfn0m.ini

description ioc process

File opened for modification \??\PhysicalDrive0 ctfn0m.ini

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

Drops file in Program Files directory 7 IoCs

Processes:

b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe

description	ioc	process
File created	C:\Program Files\Common Files\loveuu.bat	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
File created	C:\Program Files\cqfhhq\k.exe	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
File opened for modification	C:\Program Files\Common Files\qiuqiu.cpp	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
File created	C:\Program Files\Common Files\qiuqiu.cpp	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
File created	C:\Program Files\cqfhhq\g.exe	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
File created	C:\Program Files\ctfn0m.ini	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
File opened for modification	C:\Program Files\ctfn0m.ini	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe

Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exe

pid process

2440 sc.exe
2488 sc.exe

pid	process
2440	sc.exe
2488	sc.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

Processes:

ctfn0m.ini

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

Processes:

g.exe

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

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ctfn0m.ini

pid process

2580 ctfn0m.ini
2580 ctfn0m.ini
2580 ctfn0m.ini

pid	process
2580	ctfn0m.ini
2580	ctfn0m.ini
2580	ctfn0m.ini

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exeg.exe

description	pid	process	target process
PID 2552 wrote to memory of 2580	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	ctfn0m.ini
PID 2552 wrote to memory of 2580	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	ctfn0m.ini
PID 2552 wrote to memory of 2580	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	ctfn0m.ini
PID 2552 wrote to memory of 2580	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	ctfn0m.ini
PID 2552 wrote to memory of 2580	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	ctfn0m.ini
PID 2552 wrote to memory of 2580	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	ctfn0m.ini
PID 2552 wrote to memory of 2580	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	ctfn0m.ini
PID 2552 wrote to memory of 2440	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2440	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2440	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2440	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2440	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2440	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2440	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2488	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2488	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2488	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2488	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2488	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2488	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2488	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	sc.exe
PID 2552 wrote to memory of 2796	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	g.exe
PID 2552 wrote to memory of 2796	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	g.exe
PID 2552 wrote to memory of 2796	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	g.exe
PID 2552 wrote to memory of 2796	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	g.exe
PID 2552 wrote to memory of 2796	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	g.exe
PID 2552 wrote to memory of 2796	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	g.exe
PID 2552 wrote to memory of 2796	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	g.exe
PID 2796 wrote to memory of 2648	2796	g.exe	cmd.exe
PID 2796 wrote to memory of 2648	2796	g.exe	cmd.exe
PID 2796 wrote to memory of 2648	2796	g.exe	cmd.exe
PID 2796 wrote to memory of 2648	2796	g.exe	cmd.exe
PID 2796 wrote to memory of 2648	2796	g.exe	cmd.exe
PID 2796 wrote to memory of 2648	2796	g.exe	cmd.exe
PID 2796 wrote to memory of 2648	2796	g.exe	cmd.exe
PID 2552 wrote to memory of 2652	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	cmd.exe
PID 2552 wrote to memory of 2652	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	cmd.exe
PID 2552 wrote to memory of 2652	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	cmd.exe
PID 2552 wrote to memory of 2652	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	cmd.exe
PID 2552 wrote to memory of 2652	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	cmd.exe
PID 2552 wrote to memory of 2652	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	cmd.exe
PID 2552 wrote to memory of 2652	2552	b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe
"C:\Users\Admin\AppData\Local\Temp\b7b4d5f06394d0d5bf9f5d08929e0639fd52cbdc49a16140a8326956ba6d7057.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2552

C:\Program Files\ctfn0m.ini
"C:\Program Files\ctfn0m.ini" "C:\Program Files\cqfhhq\k.exe" ServiceMain
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2580

C:\Windows\SysWOW64\sc.exe
sc config RasAuto start= auto
2⤵
- Launches sc.exe
PID:2440

C:\Windows\SysWOW64\sc.exe
sc config RasAuto start= auto
2⤵
- Launches sc.exe
PID:2488

C:\Program Files\cqfhhq\g.exe
"C:\Program Files\cqfhhq\g.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2796

C:\Windows\SysWOW64\cmd.exe
cmd /c del C:\PROGRA~1\cqfhhq\g.exe
3⤵
PID:2648

C:\Windows\SysWOW64\cmd.exe
cmd /c del C:\Users\Admin\AppData\Local\Temp\B7B4D5~1.EXE
2⤵
- Deletes itself
PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Program Files\cqfhhq\k.exe
Filesize
17.4MB

MD5
aa414607a5022b35857e4d35fb7a1815

SHA1
73f845a9089418751bf032f1a59b1882e9ccf9e0

SHA256
151cffd505ac1faa987b3887e88c1ce540cd438505545909a3f5d593ad7ea351

SHA512
1c64d8e4a2e3e72f40e06aa6d3bbd2fd3d4a64a9344438abb3c88aaa00160e49f5bca1819f16c2dbca1c6f9e470fabce157467cf283bd14cbe6ffdf9a85b61ec

Download Submit
\Program Files\cqfhhq\g.exe
Filesize
21KB

MD5
018297c21c6ceec9c27c70a7e0e1dae3

SHA1
cdd9dbefa973c1eaa0a83f18ce7f72e9b3a03afd

SHA256
a9bf2b1540b4a32e01919629b09ee56368c61608714ef899c522f66c05f49086

SHA512
bbf06784038bbfbd3b5a83eae437d3ff6de0534dfa3674c1bbfa8ab5f2dd682f6eb363e616c28fb3b48019e56023a7f7ad49ca82b0fdd996bd2cd5dedb004e9f

Download Submit
\Program Files\ctfn0m.ini
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2552-8-0x00000000002F0000-0x000000000032E000-memory.dmp

Filesize
248KB

Download
memory/2552-1-0x00000000002F0000-0x0000000000367000-memory.dmp

Filesize
476KB

Download
memory/2552-0-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2552-7-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2552-4-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2552-2-0x00000000002F0000-0x000000000032E000-memory.dmp

Filesize
248KB

Download
memory/2552-5-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2552-3-0x00000000002F0000-0x0000000000367000-memory.dmp

Filesize
476KB

Download
memory/2552-43-0x0000000000380000-0x0000000000384000-memory.dmp

Filesize
16KB

Download
memory/2552-46-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2552-26-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2552-27-0x00000000002F0000-0x0000000000367000-memory.dmp

Filesize
476KB

Download
memory/2552-29-0x00000000002F0000-0x000000000032E000-memory.dmp

Filesize
248KB

Download
memory/2552-6-0x0000000000350000-0x0000000000352000-memory.dmp

Filesize
8KB

Download
memory/2552-45-0x00000000002F0000-0x000000000032E000-memory.dmp

Filesize
248KB

Download
memory/2552-38-0x0000000000380000-0x0000000000384000-memory.dmp

Filesize
16KB

Download
memory/2580-25-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2580-24-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2796-44-0x0000000000400000-0x00000000004030CC-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads