gh0strat | 56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/10/2022, 13:00

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General

Target

56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe
Size

488KB
MD5

92b12c8e22a2baef237854b48486e360
SHA1

4f54a9da3c2eb6fb7bb48e386ee6feafa46b4d39
SHA256

56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31
SHA512

1e1b13d7de017c9f9b2547bb9f95981207478ec33d118b9615dc6d7aa84dbdec8eed77b8b16008edd4ba1bb4bc800f6f51ee0994e1cdfc632f46f8b6e8a8f40b
SSDEEP

12288:PM5BSqLauL3aKHx5r+TuxvhNW7Qctk1KeiU:PM5BSuB3aKHx5r+TuxvhyQ0kdiU

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000014544-56.dat	family_gh0strat
behavioral1/memory/1736-58-0x0000000000400000-0x00000000004EE000-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 1 IoCs

pid	Process
1736	svchest000.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "c:\\Windows\\notepab.exe"	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe
File opened for modification	\??\c:\Windows\BJ.exe	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe
File created	\??\c:\Windows\svchest000.exe	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe
File opened for modification	\??\c:\Windows\svchest000.exe	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe
File created	\??\c:\Windows\notepab.exe	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 1736	1048	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe	27
PID 1048 wrote to memory of 1736	1048	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe	27
PID 1048 wrote to memory of 1736	1048	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe	27
PID 1048 wrote to memory of 1736	1048	56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe	27

C:\Users\Admin\AppData\Local\Temp\56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe
"C:\Users\Admin\AppData\Local\Temp\56d8d649c341ff42574af84cee380fa059ed3e4aa5d3c9608f32a9b880e0fe31.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1048
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  PID:1736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\svchest000.exe

Filesize
488KB

MD5
d3c121958a716f4bdabbaf4348160be8

SHA1
d98efa3c103fa5868630cdbefadc6f05f73f6181

SHA256
b7a1394ace32de754c60592c265f366f48c4dbd9c65db4beccd5d53ddca3cc79

SHA512
7a35da707874680594f3f9250e3bb81dac70bedd604f8119b07e0ee45a2fcb1b7e54699ccc9b0f8f33a16051423ff99320e35b81593ece50b0598e7215a4b8b9

Download Submit
memory/1048-54-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1048-59-0x0000000002590000-0x000000000267E000-memory.dmp

Filesize
952KB

Download
memory/1736-58-0x0000000000400000-0x00000000004EE000-memory.dmp

Filesize
952KB

Download