gh0strat | a315d826fd06212cca11c783064e1bf724f0a47b6ba84e645cb16ae7c6f58f00

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 02:39

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General

Target

117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe
Size

810KB
MD5

117e1f9b84c25455b49dbba3dc9eb1a1
SHA1

1d29c126544a4923959849496625ad2ff65688df
SHA256

a315d826fd06212cca11c783064e1bf724f0a47b6ba84e645cb16ae7c6f58f00
SHA512

83c4674efe500a4953abe8b645a25c0698274aa17ad7bdbb8467a8f0fccacf9b9b25380fd051a17e099f6672262957bdd1c2e5bed0b0490a01981a978663bcdd
SSDEEP

6144:QGzRxSVtp0l6whGfsKR+zkBpTaa5tJH7cHANUTNhGonE:jt0VPFfsKAkrbPl7cHANUTNhGP

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2188-11-0x0000000000400000-0x00000000004F1000-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
2188	(null)0.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\\117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe"	117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2132-0-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/files/0x0008000000014b47-8.dat	upx
behavioral1/memory/2188-9-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/memory/2188-11-0x0000000000400000-0x00000000004F1000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe
File created	\??\c:\Windows\BJ.exe	117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe
File created	\??\c:\Windows\(null)0.exe	117e1f9b84c25455b49dbba3dc9eb1a1_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	(null)0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2188	2132	117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe	28
PID 2132 wrote to memory of 2188	2132	117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe	28
PID 2132 wrote to memory of 2188	2132	117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe	28
PID 2132 wrote to memory of 2188	2132	117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\117e1f9b84c25455b49dbba3dc9eb1a1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\117e1f9b84c25455b49dbba3dc9eb1a1_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:2132
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2188

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
810KB

MD5
117e1f9b84c25455b49dbba3dc9eb1a1

SHA1
1d29c126544a4923959849496625ad2ff65688df

SHA256
a315d826fd06212cca11c783064e1bf724f0a47b6ba84e645cb16ae7c6f58f00

SHA512
83c4674efe500a4953abe8b645a25c0698274aa17ad7bdbb8467a8f0fccacf9b9b25380fd051a17e099f6672262957bdd1c2e5bed0b0490a01981a978663bcdd

Download Submit
memory/2132-0-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/2132-10-0x00000000027F0000-0x00000000028E1000-memory.dmp

Filesize
964KB

Download
memory/2188-9-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/2188-11-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads