gh0strat | 88a2b6b33b1932f948342c45113ca521552bdd3ee887026ffc11665f774471bb

Analysis

max time kernel
145s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/03/2025, 02:22

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General

Target

JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe
Size

327KB
MD5

4a8e5f1b206d3a33926341a4d8fd36ff
SHA1

280bc3211989157eb372a56378487b3c0d63cf7e
SHA256

88a2b6b33b1932f948342c45113ca521552bdd3ee887026ffc11665f774471bb
SHA512

fadc81ef689177d3ec6d3f9242058eca5b8ce55060d93074f7554a77ebf7ed7dc5ce9734f5bbfe27ef75df7925302bd6731678a7c5cd4064986541d7e38480a5
SSDEEP

6144:vEsgehtRZL02vIMP6lZSoXnuUEF9GCpiQ+E2:dge3ROA9iLNX/it2N

Score

10^/10

gh0strat bootkit defense_evasion discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/files/0x0008000000018d68-20.dat	family_gh0strat
behavioral1/memory/2932-26-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2376-27-0x0000000000400000-0x0000000000479000-memory.dmp	family_gh0strat
behavioral1/memory/2376-46-0x0000000000400000-0x0000000000479000-memory.dmp	family_gh0strat
behavioral1/memory/2932-48-0x0000000020000000-0x0000000020027000-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
Gh0strat family
gh0strat

Deletes itself 1 IoCs

pid	Process
2792	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2932	maolan.exe
2172	qiuqi1.exe

Loads dropped DLL 11 IoCs

pid	Process
2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe
2932	maolan.exe
2932	maolan.exe
2932	maolan.exe
2932	maolan.exe
2932	maolan.exe
2932	maolan.exe
2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe
2172	qiuqi1.exe
2172	qiuqi1.exe
2172	qiuqi1.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	maolan.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\maolan.exe	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe
File opened for modification	C:\Program Files\Common Files\maolan.exe	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe
File created	C:\Program Files\Common Files\xxxooo.bat	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe
File created	C:\Program Files\Common Files\maolan.dll	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe
File created	C:\Program Files\Common Files\xxxooo.dll	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	maolan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qiuqi1.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	maolan.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	maolan.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{603D3801-BD81-11d0-A3A5-00C04FD706EC}\InProcServer32	qiuqi1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	qiuqi1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{603D3801-BD81-11d0-A3A5-00C04FD706EC}	qiuqi1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2932	maolan.exe
2932	maolan.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2932	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	30
PID 2376 wrote to memory of 2932	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	30
PID 2376 wrote to memory of 2932	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	30
PID 2376 wrote to memory of 2932	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	30
PID 2376 wrote to memory of 2932	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	30
PID 2376 wrote to memory of 2932	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	30
PID 2376 wrote to memory of 2932	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	30
PID 2376 wrote to memory of 2172	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	32
PID 2376 wrote to memory of 2172	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	32
PID 2376 wrote to memory of 2172	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	32
PID 2376 wrote to memory of 2172	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	32
PID 2376 wrote to memory of 2172	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	32
PID 2376 wrote to memory of 2172	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	32
PID 2376 wrote to memory of 2172	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	32
PID 2172 wrote to memory of 2916	2172	qiuqi1.exe	33
PID 2172 wrote to memory of 2916	2172	qiuqi1.exe	33
PID 2172 wrote to memory of 2916	2172	qiuqi1.exe	33
PID 2172 wrote to memory of 2916	2172	qiuqi1.exe	33
PID 2172 wrote to memory of 2916	2172	qiuqi1.exe	33
PID 2172 wrote to memory of 2916	2172	qiuqi1.exe	33
PID 2172 wrote to memory of 2916	2172	qiuqi1.exe	33
PID 2376 wrote to memory of 2792	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	34
PID 2376 wrote to memory of 2792	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	34
PID 2376 wrote to memory of 2792	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	34
PID 2376 wrote to memory of 2792	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	34
PID 2376 wrote to memory of 2792	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	34
PID 2376 wrote to memory of 2792	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	34
PID 2376 wrote to memory of 2792	2376	JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8e5f1b206d3a33926341a4d8fd36ff.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Program Files\Common Files\maolan.exe
  "C:\Program Files\Common Files\maolan.exe" "C:\Program Files\Common Files\maolan.dll" 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:2932
- C:\Documents and Settings\qiuqi1.exe
  "C:\Documents and Settings\qiuqi1.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del C:\DOCUME~1\qiuqi1.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2916
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2792

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

C:\Program Files\Common Files\maolan.dll

Filesize
24.1MB

MD5
bafcb76d6ed3f8900bbb3b85725cd9f3

SHA1
430b6f8e3208fe62700be87274afe192582067a2

SHA256
76f10e458965826b49875503d0f1da87c42b7a0ec718145036121a03648f081f

SHA512
6e5bb39826f1093bb9ab4d1653f6ba6eb2995a0032653932613cfc7cdb103cfc5810ed3835c67b1791f141ee74dc18176065791652dd1b6df2912d88ea6a494b

Download Submit
\Program Files\Common Files\maolan.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\qiuqi1.exe

Filesize
24.0MB

MD5
044c517aa533346e2257356f409d3389

SHA1
fd2128d7f3a04feeee99fc3c1c2b3880a5fc52c2

SHA256
286909952509092b004c26c829480575ab420d5b15bbae005257dfddf21c4f5a

SHA512
87d00d548b33ef97d3b2329f657327b7180c78b5bcede6dd9a699822946a8f15b45df222d28c01470d3193c12e50ae0d125845672782bff4aef0b58a253443d8

Download Submit
memory/2172-43-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2172-41-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/2172-42-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/2172-36-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2376-4-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2376-3-0x0000000000270000-0x00000000002AE000-memory.dmp

Filesize
248KB

Download
memory/2376-7-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2376-46-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2376-47-0x0000000000270000-0x00000000002AE000-memory.dmp

Filesize
248KB

Download
memory/2376-27-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2376-28-0x0000000000270000-0x00000000002AE000-memory.dmp

Filesize
248KB

Download
memory/2376-0-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2376-6-0x0000000000340000-0x0000000000342000-memory.dmp

Filesize
8KB

Download
memory/2376-34-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2376-5-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2376-2-0x0000000000270000-0x00000000002AE000-memory.dmp

Filesize
248KB

Download
memory/2376-1-0x0000000000330000-0x00000000003A9000-memory.dmp

Filesize
484KB

Download
memory/2932-25-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2932-26-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2932-48-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download