gh0strat | 3a9394cdffc385cdc3662510bc99cb03acde695058ec5c4a2c1c3257cd2fa400

Analysis

max time kernel
150s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 14:30

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General

Target

da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe
Size

284KB
MD5

da8c97518431f84c0975d72e589f04b2
SHA1

d1aa64499d01982b8b8578c07c15ca4fa1604523
SHA256

3a9394cdffc385cdc3662510bc99cb03acde695058ec5c4a2c1c3257cd2fa400
SHA512

d71465ed82e9312e3e5933fcb4b157238c1068ffca3fcfae9f6f3f2f56982211506f1ce8006d82a731b9c851eada6fccef418b4a87f2ab346b0ddb540ebd2895
SSDEEP

6144:wGzRxSVtp0l6whGfsKR+zkBpTaa5tJHY8:Dt0VPFfsKAkrbPlY8

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2308-12-0x0000000000400000-0x00000000004F0000-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
2308	(null)0.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1652-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x0008000000016da7-5.dat	upx
behavioral1/memory/1652-9-0x0000000002610000-0x0000000002700000-memory.dmp	upx
behavioral1/memory/2308-12-0x0000000000400000-0x00000000004F0000-memory.dmp	upx

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\\da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe"	da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe
File created	\??\c:\Windows\BJ.exe	da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe
File created	\??\c:\Windows\(null)0.exe	da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	(null)0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 2308	1652	da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe	30
PID 1652 wrote to memory of 2308	1652	da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe	30
PID 1652 wrote to memory of 2308	1652	da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe	30
PID 1652 wrote to memory of 2308	1652	da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\da8c97518431f84c0975d72e589f04b2_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1652
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2308

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\(null)0.exe

Filesize
284KB

MD5
da8c97518431f84c0975d72e589f04b2

SHA1
d1aa64499d01982b8b8578c07c15ca4fa1604523

SHA256
3a9394cdffc385cdc3662510bc99cb03acde695058ec5c4a2c1c3257cd2fa400

SHA512
d71465ed82e9312e3e5933fcb4b157238c1068ffca3fcfae9f6f3f2f56982211506f1ce8006d82a731b9c851eada6fccef418b4a87f2ab346b0ddb540ebd2895

Download Submit
memory/1652-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/1652-9-0x0000000002610000-0x0000000002700000-memory.dmp

Filesize
960KB

Download
memory/1652-10-0x0000000002610000-0x0000000002700000-memory.dmp

Filesize
960KB

Download
memory/2308-12-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads