gh0strat | 9bd198d3ef90bcb68ffad354bdd40fc4b624b557702e73715ef677bb38f75a2c

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/01/2024, 11:44

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General

Target

58d6de2c467933f405ae2fc1d8e36a3b.exe
Size

361KB
MD5

58d6de2c467933f405ae2fc1d8e36a3b
SHA1

9ef527fde74c857c4339b1e7d5dc1aa61ba79933
SHA256

9bd198d3ef90bcb68ffad354bdd40fc4b624b557702e73715ef677bb38f75a2c
SHA512

4aff3004affcd5c3a1d5938bcbf98d5bbc5a2b1349e59e98a6af5811b97fa82c1e706ff62e76f58ed006b8bc9cb1f57239d7f98bf1cebcde3032b55aadef1a67
SSDEEP

6144:TGzRxSVtp0l6whGfsKR+zkBpTaa5tJHeZ:St0VPFfsKAkrbPleZ

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/3044-11-0x0000000000400000-0x00000000004F0000-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
3044	(null)0.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2388-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/2388-9-0x00000000004F0000-0x00000000005E0000-memory.dmp	upx
behavioral1/files/0x000c0000000153ba-8.dat	upx
behavioral1/memory/3044-11-0x0000000000400000-0x00000000004F0000-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\\58d6de2c467933f405ae2fc1d8e36a3b.exe"	58d6de2c467933f405ae2fc1d8e36a3b.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	58d6de2c467933f405ae2fc1d8e36a3b.exe
File created	\??\c:\Windows\(null)0.exe	58d6de2c467933f405ae2fc1d8e36a3b.exe
File created	\??\c:\Windows\BJ.exe	58d6de2c467933f405ae2fc1d8e36a3b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 3044	2388	58d6de2c467933f405ae2fc1d8e36a3b.exe	28
PID 2388 wrote to memory of 3044	2388	58d6de2c467933f405ae2fc1d8e36a3b.exe	28
PID 2388 wrote to memory of 3044	2388	58d6de2c467933f405ae2fc1d8e36a3b.exe	28
PID 2388 wrote to memory of 3044	2388	58d6de2c467933f405ae2fc1d8e36a3b.exe	28

C:\Users\Admin\AppData\Local\Temp\58d6de2c467933f405ae2fc1d8e36a3b.exe
"C:\Users\Admin\AppData\Local\Temp\58d6de2c467933f405ae2fc1d8e36a3b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2388
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:3044

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
361KB

MD5
58d6de2c467933f405ae2fc1d8e36a3b

SHA1
9ef527fde74c857c4339b1e7d5dc1aa61ba79933

SHA256
9bd198d3ef90bcb68ffad354bdd40fc4b624b557702e73715ef677bb38f75a2c

SHA512
4aff3004affcd5c3a1d5938bcbf98d5bbc5a2b1349e59e98a6af5811b97fa82c1e706ff62e76f58ed006b8bc9cb1f57239d7f98bf1cebcde3032b55aadef1a67

Download Submit
memory/2388-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2388-9-0x00000000004F0000-0x00000000005E0000-memory.dmp

Filesize
960KB

Download
memory/2388-13-0x00000000004F0000-0x00000000005E0000-memory.dmp

Filesize
960KB

Download
memory/3044-11-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads