gh0strat | 5e7645c0eb18ec17ae48ef2516a32fa1fb99addbfedd9932e18f9b4e6c6646f7

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-03-2024 22:10

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General

Target

c5806d313d6d7a4b28f90952797b26f1.exe
Size

284KB
MD5

c5806d313d6d7a4b28f90952797b26f1
SHA1

19da0bd8c609c6ac83f86620b702709cbaa16589
SHA256

5e7645c0eb18ec17ae48ef2516a32fa1fb99addbfedd9932e18f9b4e6c6646f7
SHA512

60f74e20c178e7f586b35c58032a91f1d3357cbcfd269703257b338ec385969678afdf9f8368b9366fdf452df3f5ee8dea0bf46cdee59a7ef6abaa2851457520
SSDEEP

6144:wGzRxSVtp0l6whGfsKR+zkBpTaa5tJHYU:Dt0VPFfsKAkrbPlYU

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2288-11-0x0000000000400000-0x00000000004F0000-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
2288	(null)0.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2596-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x000b00000001602a-5.dat	upx
behavioral1/memory/2288-11-0x0000000000400000-0x00000000004F0000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c5806d313d6d7a4b28f90952797b26f1.exe"	c5806d313d6d7a4b28f90952797b26f1.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	c5806d313d6d7a4b28f90952797b26f1.exe
File created	\??\c:\Windows\BJ.exe	c5806d313d6d7a4b28f90952797b26f1.exe
File created	\??\c:\Windows\(null)0.exe	c5806d313d6d7a4b28f90952797b26f1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2288	2596	c5806d313d6d7a4b28f90952797b26f1.exe	28
PID 2596 wrote to memory of 2288	2596	c5806d313d6d7a4b28f90952797b26f1.exe	28
PID 2596 wrote to memory of 2288	2596	c5806d313d6d7a4b28f90952797b26f1.exe	28
PID 2596 wrote to memory of 2288	2596	c5806d313d6d7a4b28f90952797b26f1.exe	28

C:\Users\Admin\AppData\Local\Temp\c5806d313d6d7a4b28f90952797b26f1.exe
"C:\Users\Admin\AppData\Local\Temp\c5806d313d6d7a4b28f90952797b26f1.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2596
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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
284KB

MD5
c5806d313d6d7a4b28f90952797b26f1

SHA1
19da0bd8c609c6ac83f86620b702709cbaa16589

SHA256
5e7645c0eb18ec17ae48ef2516a32fa1fb99addbfedd9932e18f9b4e6c6646f7

SHA512
60f74e20c178e7f586b35c58032a91f1d3357cbcfd269703257b338ec385969678afdf9f8368b9366fdf452df3f5ee8dea0bf46cdee59a7ef6abaa2851457520

Download Submit
memory/2288-11-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2596-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2596-8-0x0000000002870000-0x0000000002960000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads