gh0strat | 66fd0db31f99ed1ca05b961ab1a86ec56d3d54e3cef269ed906be1c32d302f02

Analysis

max time kernel
151s
max time network
145s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 15:21

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General

Target

0383d9b89c79c31c78dc3fc01b6bd4fb.exe
Size

668KB
MD5

0383d9b89c79c31c78dc3fc01b6bd4fb
SHA1

dd2c003bef0b2b9800404178a5582af4cf86d5ad
SHA256

66fd0db31f99ed1ca05b961ab1a86ec56d3d54e3cef269ed906be1c32d302f02
SHA512

0ccac8a7a18a6cb9afefe44234462b34c967b4c467dc3513595554dcdb724016f7eecb8622799246ca26fe9b8cb100af12275c066b2eb91302ad88f955a39b86
SSDEEP

12288:3/eC0vZVQQxfnr+TK7r79/JenWAG36ATphjM5Bv9:3/XwVQQxfnr+TK7r79/Je3GqArjM5Bv9

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/files/0x00300000000152f8-4.dat	family_gh0strat
behavioral1/files/0x00300000000152f8-6.dat	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
2448	svchest000.exe

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:\\Windows\\notepab.exe"	0383d9b89c79c31c78dc3fc01b6bd4fb.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	\??\c:\Windows\notepab.exe	0383d9b89c79c31c78dc3fc01b6bd4fb.exe
File created	\??\c:\Windows\BJ.exe	0383d9b89c79c31c78dc3fc01b6bd4fb.exe
File opened for modification	\??\c:\Windows\BJ.exe	0383d9b89c79c31c78dc3fc01b6bd4fb.exe
File created	\??\c:\Windows\svchest000.exe	0383d9b89c79c31c78dc3fc01b6bd4fb.exe
File opened for modification	\??\c:\Windows\svchest000.exe	0383d9b89c79c31c78dc3fc01b6bd4fb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2448	2028	0383d9b89c79c31c78dc3fc01b6bd4fb.exe	28
PID 2028 wrote to memory of 2448	2028	0383d9b89c79c31c78dc3fc01b6bd4fb.exe	28
PID 2028 wrote to memory of 2448	2028	0383d9b89c79c31c78dc3fc01b6bd4fb.exe	28
PID 2028 wrote to memory of 2448	2028	0383d9b89c79c31c78dc3fc01b6bd4fb.exe	28

C:\Users\Admin\AppData\Local\Temp\0383d9b89c79c31c78dc3fc01b6bd4fb.exe
"C:\Users\Admin\AppData\Local\Temp\0383d9b89c79c31c78dc3fc01b6bd4fb.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2028
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  PID:2448

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\svchest000.exe

Filesize
623KB

MD5
f445212baec163e174e0f3d6b232c502

SHA1
c6f4b4873ad4c1fefb47f5ccf4f3f2256e14d70c

SHA256
53f100c831ea189fb06c2bea92cee8e80589925594f54d7e8c2f31c9373f3f3f

SHA512
8403875f04cc3a3b4c3cd94ace1343f3882e059061462c7f07672657d48994ba7ba70f34e9a4630cd83f2a876f5ed6ae3485cebc1bc2be53eb6bd6f36646a73c

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C:\Windows\svchest000.exe

Filesize
434KB

MD5
5c47aa979da42a463f42ec3c18d4525b

SHA1
ccacd5ed63c03630784f4b0cf036f210422f7d44

SHA256
57ea051feee18c284d6a33446aacfe9a67f8c34bf7d226ffdde41b8291a25fd9

SHA512
99a39cccf0f402b984ed638aab16afff1d9f78b55b4857ba87d6b1f6b09ecaba0ef40c8366e6d9ee57bdaa672d0eb212ce546ac090db085e49c7c2c7036ef26d

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads