gh0strat | ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775

Analysis

max time kernel
151s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 14:03

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General

Target

ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe
Size

376KB
MD5

b9cdc9775b5efd4d5974c1f6e4e25a3c
SHA1

5fe0fbc8808f0a0cfb75816b904ed3cc2c0cb827
SHA256

ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775
SHA512

56c9a49eed7d0cf9cc989611da76139c4b987282a299f0644d2bcfd7992540a6f25dba9173ca154cd83273d537e09a3a845d4e50f5bccf2dccad6e2e84742017
SSDEEP

6144:QGzRxSVtp0l6whGfsKR+zkBpTaa5tJH7i:jt0VPFfsKAkrbPl7i

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1616-58-0x0000000000400000-0x00000000004F1000-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
1616	(null)0.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a0000000122e9-56.dat	upx
behavioral1/memory/1616-58-0x0000000000400000-0x00000000004F1000-memory.dmp	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	ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe"	ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe
File created	\??\c:\Windows\(null)0.exe	ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe
File created	\??\c:\Windows\BJ.exe	ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 1616	1064	ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe	28
PID 1064 wrote to memory of 1616	1064	ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe	28
PID 1064 wrote to memory of 1616	1064	ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe	28
PID 1064 wrote to memory of 1616	1064	ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe	28

C:\Users\Admin\AppData\Local\Temp\ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe
"C:\Users\Admin\AppData\Local\Temp\ccf51dd39652a4ba353a55bc00952302b2c54b5a73e8547ac0d0e3fdfff35775.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1064
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:1616

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
376KB

MD5
aeac1f42453059be4a43ffdd36483c1e

SHA1
ab51bd1081fae3d82d5f301f9a3491f76030ad00

SHA256
53b963c380c7e59ccdbf4f9b11da8fdb7786a92aa7ef2c3a34953c4263a397c9

SHA512
36147c4ea10bae15c453ed305b8e8db2fa78f0be3c41a38630fc322e070dc0f33838a6140bd8ff5c96de1703112b2b771d0585408413d1ca31f9f9af0ff39736

Download Submit
memory/1064-54-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

Download
memory/1064-59-0x0000000002740000-0x0000000002831000-memory.dmp

Filesize
964KB

Download
memory/1616-58-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download