gh0strat | 78efa53d368b27d54c5b74b866e23af1cb041c72d78a52a16cb398a724aa992b

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 04:31

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General

Target

05519970966eabccb2b0901eb020d76d.exe
Size

518KB
MD5

05519970966eabccb2b0901eb020d76d
SHA1

a8ff1ee3d3c695a4000897eb4397fba563fb50ca
SHA256

78efa53d368b27d54c5b74b866e23af1cb041c72d78a52a16cb398a724aa992b
SHA512

30c30fa464b7045e8084cc091c18aa6ca8acb443413dfce4ae63897450a202552253a4659c9155d813892839107772809175f7b8a175c9acf9cf4a64b8a4d55a
SSDEEP

12288:EzQr+1kZVQQxfnr+TK7r79/JDXWE18qRzfG4M5NCqX:UQKQVQQxfnr+TK7r79/JD71PRi4M5NC2

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015f7a-5.dat	family_gh0strat
behavioral1/files/0x000a000000015f7a-4.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
2132	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:\\Users\\Admin\\AppData\\Local\\Temp\\05519970966eabccb2b0901eb020d76d.exe"	05519970966eabccb2b0901eb020d76d.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	05519970966eabccb2b0901eb020d76d.exe
File created	\??\c:\Windows\BJ.exe	05519970966eabccb2b0901eb020d76d.exe
File created	\??\c:\Windows\svchest000.exe	05519970966eabccb2b0901eb020d76d.exe
File opened for modification	\??\c:\Windows\svchest000.exe	05519970966eabccb2b0901eb020d76d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2132	2348	05519970966eabccb2b0901eb020d76d.exe	28
PID 2348 wrote to memory of 2132	2348	05519970966eabccb2b0901eb020d76d.exe	28
PID 2348 wrote to memory of 2132	2348	05519970966eabccb2b0901eb020d76d.exe	28
PID 2348 wrote to memory of 2132	2348	05519970966eabccb2b0901eb020d76d.exe	28

C:\Users\Admin\AppData\Local\Temp\05519970966eabccb2b0901eb020d76d.exe
"C:\Users\Admin\AppData\Local\Temp\05519970966eabccb2b0901eb020d76d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2348
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  PID:2132

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
512KB

MD5
276ad865e16921195138ff64ea86d7dd

SHA1
6dcce305a4f1611d4c1d92e8af58df9175d56b29

SHA256
3cc9d13873ade687ded196b7e2c0a4004dfef7eafee082448122d0556ee76168

SHA512
df34f93f1b2e8bf5f0dc74efb12037d18574e48966111090239d82b46c999212100f2e683bf0220c260256e7f6f809c21ef28e9ab57ab5f8696b764cd375609b

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C:\Windows\svchest000.exe

Filesize
436KB

MD5
23094b947b0d086d074b16940e44a41a

SHA1
8c2d442c57a2449a6e6bbffbdcf66d6408adf750

SHA256
53f5e99a7acf84914118e06c41c7277fb111821c42346ad698a07859f0e1053f

SHA512
adfd58c0b1da3c365402130b1a266e632ed00a8530f020086b849bec10115c5d4d1e1dc7806d17cfad0a0b28229d0e2f172c2eb1acc988006fc6e8fa88c18ee4

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads