gh0strat | 02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c

Analysis

max time kernel
133s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 18:47

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General

Target

02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe
Size

98KB
MD5

2c5b29dc2dd93e325c2af97ab8924b60
SHA1

7f254d5f57a5fed5138ce0b8876cd3fb47f1d7f2
SHA256

02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c
SHA512

6f2ef30555687f654abd0def89e3dbf1b74d4d982a293398492248ecceace7db93fe3a64aef73a1fe4c9e8b33f63ce94780576403ccb35a5502844d50a0ab3d7
SSDEEP

3072:nFFil+VFbe1N9JJuusBBlMPmuf6znw9rzy0SwX:n6m4N9JJzqyyLXty

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4892-135-0x0000000010000000-0x0000000010050000-memory.dmp	family_gh0strat
behavioral2/memory/4892-134-0x0000000010000000-0x0000000010050000-memory.dmp	family_gh0strat
behavioral2/memory/4892-138-0x0000000010000000-0x0000000010050000-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

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	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5BEF19F5 = "C:\\Windows\\5BEF19F5\\svchsot.exe"	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Default	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\5BEF19F5\svchsot.exe	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe
File opened for modification	C:\Windows\5BEF19F5\svchsot.exe	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe
4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe
4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe
4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe
4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe
4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe
Token: SeDebugPrivilege	4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 2432	4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe	82
PID 4892 wrote to memory of 2432	4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe	82
PID 4892 wrote to memory of 2432	4892	02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe	82
PID 2432 wrote to memory of 3808	2432	net.exe	84
PID 2432 wrote to memory of 3808	2432	net.exe	84
PID 2432 wrote to memory of 3808	2432	net.exe	84

C:\Users\Admin\AppData\Local\Temp\02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe
"C:\Users\Admin\AppData\Local\Temp\02e84a89bd1e7d6bbf4af2fa7e699941848243334ddba057c2646e1eca55c98c.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\net.exe
  net start "Task Scheduler"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2432
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start "Task Scheduler"
    3⤵
    PID:3808

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

memory/4892-132-0x0000000010000000-0x0000000010050000-memory.dmp

Filesize
320KB

Download
memory/4892-135-0x0000000010000000-0x0000000010050000-memory.dmp

Filesize
320KB

Download
memory/4892-134-0x0000000010000000-0x0000000010050000-memory.dmp

Filesize
320KB

Download
memory/4892-138-0x0000000010000000-0x0000000010050000-memory.dmp

Filesize
320KB

Download