gh0strat | 58f77cb4ca9427a9cbf8570d17b260621be83d729d0cb34e1e00789150032c1a

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 05:11

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General

Target

0fab6d7dcb1040646df8e0c303a1b4dc.exe
Size

919KB
MD5

0fab6d7dcb1040646df8e0c303a1b4dc
SHA1

457166a4559aeb6f41ce4f252ce6a834e2d05401
SHA256

58f77cb4ca9427a9cbf8570d17b260621be83d729d0cb34e1e00789150032c1a
SHA512

766b5cc585222120968bf41217bc8edf5e26195c60be8269d872edf25d9f9092a89d100e651807ab853aa3871f259108b08d15fd1aeb108b3c6ee1dc7a0d82b7
SSDEEP

12288:jt0VPFfsKAkrbPl7cHANUTNhG2HANUTN+4j:SFksbMGr4j

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1600-10-0x0000000000400000-0x00000000004F1000-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
1600	(null)0.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1944-0-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/files/0x000b000000012267-5.dat	upx
behavioral1/files/0x000b000000012267-8.dat	upx
behavioral1/memory/1600-10-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/memory/1944-12-0x0000000002610000-0x0000000002701000-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\\0fab6d7dcb1040646df8e0c303a1b4dc.exe"	0fab6d7dcb1040646df8e0c303a1b4dc.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	0fab6d7dcb1040646df8e0c303a1b4dc.exe
File opened for modification	\??\c:\Windows\BJ.exe	0fab6d7dcb1040646df8e0c303a1b4dc.exe
File created	\??\c:\Windows\(null)0.exe	0fab6d7dcb1040646df8e0c303a1b4dc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1600	1944	0fab6d7dcb1040646df8e0c303a1b4dc.exe	28
PID 1944 wrote to memory of 1600	1944	0fab6d7dcb1040646df8e0c303a1b4dc.exe	28
PID 1944 wrote to memory of 1600	1944	0fab6d7dcb1040646df8e0c303a1b4dc.exe	28
PID 1944 wrote to memory of 1600	1944	0fab6d7dcb1040646df8e0c303a1b4dc.exe	28

C:\Users\Admin\AppData\Local\Temp\0fab6d7dcb1040646df8e0c303a1b4dc.exe
"C:\Users\Admin\AppData\Local\Temp\0fab6d7dcb1040646df8e0c303a1b4dc.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1944
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:1600

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
919KB

MD5
0fab6d7dcb1040646df8e0c303a1b4dc

SHA1
457166a4559aeb6f41ce4f252ce6a834e2d05401

SHA256
58f77cb4ca9427a9cbf8570d17b260621be83d729d0cb34e1e00789150032c1a

SHA512
766b5cc585222120968bf41217bc8edf5e26195c60be8269d872edf25d9f9092a89d100e651807ab853aa3871f259108b08d15fd1aeb108b3c6ee1dc7a0d82b7

Download Submit
C:\Windows\(null)0.exe

Filesize
846KB

MD5
b9784a0ef820c697bf98cd55ab5a6e74

SHA1
45a61699786f5fabf075a44979a6b06339907dd8

SHA256
ab2aef6a6b8af79578da234ebc73553513a562c9a3c4c7dcfc3ae37e84d41ffe

SHA512
a03f90d8fb9cffa206a8d9d88313d1d73e920b880808f4a45eeaca281a96ffde768afb9a722cc5557f695785b5de4760f2cebc6e53ebd6073b1df97e45e99b99

Download Submit
memory/1600-10-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1944-0-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1944-9-0x0000000002610000-0x0000000002701000-memory.dmp

Filesize
964KB

Download
memory/1944-12-0x0000000002610000-0x0000000002701000-memory.dmp

Filesize
964KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads