gh0strat | 8aedf38834b298b48cb5af40d2b88e3a7e2e87a495c921094dd13942e44a74e0

General

Target

f973510ca7da82640038027bc8496622_JaffaCakes118.exe
Size

272KB
MD5

f973510ca7da82640038027bc8496622
SHA1

8d6f3c786c32d815890dde6764afdd10e5a5c83d
SHA256

8aedf38834b298b48cb5af40d2b88e3a7e2e87a495c921094dd13942e44a74e0
SHA512

d878174490db02a9db12647c0dfe53283f0628073c7eecd7aadc2b17c909857ed3c453d0af8e249eff68577b7c5848905859388ea9f42303f5813c72971cdec1
SSDEEP

6144:4MigebtJQSE7MSNAADuXKMsHleE8IUVNbH:ggepJxEISPKQHCIaNL

Score

10^/10

gh0strat bootkit persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

Processes:

resource	yara_rule
C:\Program Files\2182\21829999ctfn0n.2182lm	family_gh0strat
behavioral1/memory/3068-21-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2200-22-0x0000000000400000-0x0000000000481000-memory.dmp	family_gh0strat
behavioral1/memory/2200-44-0x0000000000400000-0x0000000000481000-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
Executes dropped EXE 2 IoCs

Processes:

ctfn0m.inictfn0m.exe

pid process

3068 ctfn0m.ini
2484 ctfn0m.exe

pid	process
3068	ctfn0m.ini
2484	ctfn0m.exe

Loads dropped DLL 6 IoCs

Processes:

f973510ca7da82640038027bc8496622_JaffaCakes118.exectfn0m.inictfn0m.exe

pid	process
2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe
3068	ctfn0m.ini
2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe
2484	ctfn0m.exe
2484	ctfn0m.exe
2484	ctfn0m.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 6 IoCs

Processes:

f973510ca7da82640038027bc8496622_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files\Common Files\ctfn0m.ini	f973510ca7da82640038027bc8496622_JaffaCakes118.exe
File opened for modification	C:\Program Files\Common Files\ctfn0m.ini	f973510ca7da82640038027bc8496622_JaffaCakes118.exe
File created	C:\Program Files\Common Files\ctfn0m.bat	f973510ca7da82640038027bc8496622_JaffaCakes118.exe
File created	C:\Program Files\Common Files\zidong.bat	f973510ca7da82640038027bc8496622_JaffaCakes118.exe
File created	C:\Program Files\2182\21829999ctfn0n.2182lm	f973510ca7da82640038027bc8496622_JaffaCakes118.exe
File created	C:\Program Files\Common Files\ctfn0m.dll	f973510ca7da82640038027bc8496622_JaffaCakes118.exe

Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exe

pid process

688 sc.exe

pid	process
688	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

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ctfn0m.ini

pid process

3068 ctfn0m.ini
3068 ctfn0m.ini
3068 ctfn0m.ini

pid	process
3068	ctfn0m.ini
3068	ctfn0m.ini
3068	ctfn0m.ini

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

f973510ca7da82640038027bc8496622_JaffaCakes118.exectfn0m.execmd.exe

description	pid	process	target process
PID 2200 wrote to memory of 3068	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.ini
PID 2200 wrote to memory of 3068	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.ini
PID 2200 wrote to memory of 3068	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.ini
PID 2200 wrote to memory of 3068	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.ini
PID 2200 wrote to memory of 3068	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.ini
PID 2200 wrote to memory of 3068	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.ini
PID 2200 wrote to memory of 3068	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.ini
PID 2200 wrote to memory of 2484	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.exe
PID 2200 wrote to memory of 2484	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.exe
PID 2200 wrote to memory of 2484	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.exe
PID 2200 wrote to memory of 2484	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.exe
PID 2200 wrote to memory of 2484	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.exe
PID 2200 wrote to memory of 2484	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.exe
PID 2200 wrote to memory of 2484	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	ctfn0m.exe
PID 2484 wrote to memory of 2444	2484	ctfn0m.exe	cmd.exe
PID 2484 wrote to memory of 2444	2484	ctfn0m.exe	cmd.exe
PID 2484 wrote to memory of 2444	2484	ctfn0m.exe	cmd.exe
PID 2484 wrote to memory of 2444	2484	ctfn0m.exe	cmd.exe
PID 2484 wrote to memory of 2444	2484	ctfn0m.exe	cmd.exe
PID 2484 wrote to memory of 2444	2484	ctfn0m.exe	cmd.exe
PID 2484 wrote to memory of 2444	2484	ctfn0m.exe	cmd.exe
PID 2200 wrote to memory of 2984	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 2984	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 2984	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 2984	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 2984	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 2984	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 2984	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 3036	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 3036	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 3036	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 3036	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 3036	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 3036	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2200 wrote to memory of 3036	2200	f973510ca7da82640038027bc8496622_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 688	2984	cmd.exe	sc.exe
PID 2984 wrote to memory of 688	2984	cmd.exe	sc.exe
PID 2984 wrote to memory of 688	2984	cmd.exe	sc.exe
PID 2984 wrote to memory of 688	2984	cmd.exe	sc.exe
PID 2984 wrote to memory of 688	2984	cmd.exe	sc.exe
PID 2984 wrote to memory of 688	2984	cmd.exe	sc.exe
PID 2984 wrote to memory of 688	2984	cmd.exe	sc.exe

C:\Users\Admin\AppData\Local\Temp\f973510ca7da82640038027bc8496622_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f973510ca7da82640038027bc8496622_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2200

C:\Program Files\Common Files\ctfn0m.ini
"C:\Program Files\Common Files\ctfn0m.ini" "C:\Program Files\2182\21829999ctfn0n.2182lm" ServiceMain
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3068

C:\Documents and Settings\ctfn0m.exe
"C:\Documents and Settings\ctfn0m.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2484

C:\Windows\SysWOW64\cmd.exe
cmd /c del C:\DOCUME~1\ctfn0m.exe
3⤵
PID:2444

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Program Files\Common Files\zidong.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:2984

C:\Windows\SysWOW64\sc.exe
sc config RasAuto start= auto
3⤵
- Launches sc.exe
PID:688

C:\Windows\SysWOW64\cmd.exe
cmd /c del C:\Users\Admin\AppData\Local\Temp\F97351~1.EXE
2⤵
PID:3036

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

Replay Monitor

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Downloads

C:\Program Files\2182\21829999ctfn0n.2182lm
Filesize
24.1MB

MD5
e52056aa03510d9774c97e9b22f613ea

SHA1
17386e99a50363036da7ad972edbddd85b66f388

SHA256
9155981804a33685a03f6971f9bb62c418c19efb1cf9fcc676a275485c290b72

SHA512
767e5f338fa95f42ab9283027ebb81dc0e1ced39e37b3c36006735e7fa059973fa3e8f3196092f060b80671efd0061b9c73f792fc77c9d843764a7cf074504fb

Download Submit
C:\Program Files\Common Files\zidong.bat
Filesize
44B

MD5
ea72733acebe9b418fb30d68b5a8c3df

SHA1
4bb0c9592895e902c95a190e9987ba82087060c0

SHA256
e4f714f6333f7f7e3f427072329471a22760d65c92311f3bd4c1d3cf6503a6ee

SHA512
4be94a98d79b54836765d724be21b91ff3a448fe8c921e30f3c929e87f6d0cce7be74005b7f5b2958f1404de601bbad658929a8aa7efbdfa95c6dd93cc15bff6

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\ctfn0m.exe
Filesize
24.0MB

MD5
8e000fd4309997d0d8314226f05469fa

SHA1
315efaf0541724159cdc82942c899eb7cbad5346

SHA256
49f0caa211959fac9ca2f7ed6a14e007b41bc5a07168992c48cea10190b6e437

SHA512
6fb2cc380a8914470124484937f756727bf7667e841fb503c3215e51944c4407c9d6f248045c9270330dfc459802ebeb681aa3943aadcfa5712d8b4b592b20fc

Download Submit
memory/2200-5-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2200-22-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2200-3-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2200-9-0x00000000002A0000-0x00000000002A2000-memory.dmp

Filesize
8KB

Download
memory/2200-6-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2200-2-0x0000000000250000-0x000000000028E000-memory.dmp

Filesize
248KB

Download
memory/2200-46-0x0000000000240000-0x000000000024D000-memory.dmp

Filesize
52KB

Download
memory/2200-4-0x0000000000250000-0x000000000028E000-memory.dmp

Filesize
248KB

Download
memory/2200-23-0x0000000000250000-0x000000000028E000-memory.dmp

Filesize
248KB

Download
memory/2200-1-0x0000000000240000-0x00000000002C1000-memory.dmp

Filesize
516KB

Download
memory/2200-27-0x00000000002C0000-0x00000000002C8000-memory.dmp

Filesize
32KB

Download
memory/2200-0-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2200-44-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2200-43-0x0000000000250000-0x000000000028E000-memory.dmp

Filesize
248KB

Download
memory/2484-36-0x0000000000020000-0x0000000000028000-memory.dmp

Filesize
32KB

Download
memory/2484-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2484-35-0x0000000000020000-0x0000000000028000-memory.dmp

Filesize
32KB

Download
memory/3068-21-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads