gh0strat | f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607

Analysis

max time kernel
152s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 09:45

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General

Target

f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
Size

749KB
MD5

14185c4b292f398cd94929f92aa745f0
SHA1

e3e8bc51d6ebb4a140e7bd2b935f07fe46da924f
SHA256

f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607
SHA512

9da92dd1f8c43389eb0685e14e79679e1949f66a82e3949a4e8604e89f76ccd7b8a3ab9af442a1ec11121b9b07d3bcfdbf8d5895f3157ad39d05f83e9a097ce3
SSDEEP

12288:jt0VPFfsKAkrbPlXhHANUTNqjHANUTN6NUTN1e:SFksb1AHe

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1608-58-0x0000000000400000-0x00000000004F1000-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
1608	(null)0.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0009000000013359-56.dat	upx
behavioral1/memory/1608-58-0x0000000000400000-0x00000000004F1000-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	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe"	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
File opened for modification	\??\c:\Windows\BJ.exe	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
File created	\??\c:\Windows\(null)0.exe	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1608	1752	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe	28
PID 1752 wrote to memory of 1608	1752	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe	28
PID 1752 wrote to memory of 1608	1752	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe	28
PID 1752 wrote to memory of 1608	1752	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe	28

C:\Users\Admin\AppData\Local\Temp\f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
"C:\Users\Admin\AppData\Local\Temp\f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1752
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:1608

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

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Downloads

C:\Windows\(null)0.exe

Filesize
749KB

MD5
14185c4b292f398cd94929f92aa745f0

SHA1
e3e8bc51d6ebb4a140e7bd2b935f07fe46da924f

SHA256
f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607

SHA512
9da92dd1f8c43389eb0685e14e79679e1949f66a82e3949a4e8604e89f76ccd7b8a3ab9af442a1ec11121b9b07d3bcfdbf8d5895f3157ad39d05f83e9a097ce3

Download Submit
memory/1608-58-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1752-54-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

Download
memory/1752-59-0x00000000026C0000-0x00000000027B1000-memory.dmp

Filesize
964KB

Download