gh0strat | 17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369

Analysis

max time kernel
156s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 14:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe
Size

691KB
MD5

2d983b47cbae7d27f46c829ca98cb7d0
SHA1

a3dd8cde57480ec3439fd1e72a630fc1128cec84
SHA256

17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369
SHA512

502f1b384f61f0cf36baa168334e04ac55fadb1b7fab438a4f3036e091152770f2ecbadb94ff78ab01b11efc6a70a5ceb7b5eabb620494aa9fac0d0deac5105b
SSDEEP

6144:QGzRxSVtp0l6whGfsKR+zkBpTaa5tJH7cHANUTNhGl:jt0VPFfsKAkrbPl7cHANUTNhGl

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1712-60-0x0000000000400000-0x00000000004F1000-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
1712	(null)0.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1988-54-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/memory/1988-56-0x0000000002570000-0x0000000002661000-memory.dmp	upx
behavioral1/files/0x000a000000012752-58.dat	upx
behavioral1/memory/1712-60-0x0000000000400000-0x00000000004F1000-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	17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe"	17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe
File opened for modification	\??\c:\Windows\BJ.exe	17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe
File created	\??\c:\Windows\(null)0.exe	17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1712	1988	17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe	26
PID 1988 wrote to memory of 1712	1988	17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe	26
PID 1988 wrote to memory of 1712	1988	17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe	26
PID 1988 wrote to memory of 1712	1988	17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe	26

C:\Users\Admin\AppData\Local\Temp\17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe
"C:\Users\Admin\AppData\Local\Temp\17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1988
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:1712

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\(null)0.exe

Filesize
691KB

MD5
9075bf15259721dddcd8913ba7fe433f

SHA1
b096c43add8f0ace6dbb16ff9f02e6a63b2dcc95

SHA256
801b99bbee64148b23d198a3d811e7841a0f0841eb4c18293e654e3474d6416e

SHA512
e5f0bae168a4e3d68a6de8908b6c1068e1c69ff904fcc41786154847b9cb5ac7cf19bf8ef6994531fe1d2308d5cad04a184c7ba8930c6dbafde621ac2f980788

Download Submit
memory/1712-60-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1988-54-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1988-55-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1988-56-0x0000000002570000-0x0000000002661000-memory.dmp

Filesize
964KB

Download