gh0strat | ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49

Analysis

max time kernel
253s
max time network
332s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 09:46

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General

Target

ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe
Size

314KB
MD5

5bfa187dbe621f731af5010e9c7b409b
SHA1

966fa6d9fe876fb691560c78761978cd5b01f80c
SHA256

ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49
SHA512

c992d2e0ed5d859a6fec9d532d2ae9d862479889d1c6df093c29dd7ee0eff3d5cea379a8af9907b61fb99b215ceebe8e0e4a1f1f07324fbaca4083b929210485
SSDEEP

6144:QGzRxSVtp0l6whGfsKR+zkBpTaa5tJHXH:jt0VPFfsKAkrbPlXH

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1512-55-0x0000000000400000-0x00000000004F1000-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
832	(null)0.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1512-55-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/files/0x000a0000000122f5-57.dat	upx

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	ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe"	ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\(null)0.exe	ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe
File created	\??\c:\Windows\BJ.exe	ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe
File opened for modification	\??\c:\Windows\BJ.exe	ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 832	1512	ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe	28
PID 1512 wrote to memory of 832	1512	ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe	28
PID 1512 wrote to memory of 832	1512	ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe	28
PID 1512 wrote to memory of 832	1512	ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe	28

C:\Users\Admin\AppData\Local\Temp\ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe
"C:\Users\Admin\AppData\Local\Temp\ee7be187dcb327062f9a234946d0a13aede4efb1e3ea35de9a030ca7d3065a49.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1512
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:832

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

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Downloads

C:\Windows\(null)0.exe

Filesize
314KB

MD5
ceb75c8624713e5773b422e03463c8db

SHA1
c705247e48f3cba2371cdcfd03f79a0d84b8b9e6

SHA256
e5ffe15d9da90ecbfe20ae4dbe68e8a16b42379f5cf77d77685354648ccb1cd8

SHA512
229504a3fcc071ea66dcec267524811ca907630a6b58d5d26c9cac3dc6100c4b7172b38ece38ba88fa067943c14996d4c60fbb617929463676aa3ccc62efe663

Download Submit
memory/1512-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1512-55-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1512-59-0x0000000002800000-0x00000000028F1000-memory.dmp

Filesize
964KB

Download
memory/1512-60-0x0000000002800000-0x00000000028F1000-memory.dmp

Filesize
964KB

Download