gh0strat | 639de0739d46c607a041e76b5dcf0f9a91993d32b8d35910bd7bb258ff6bcd6f

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/02/2025, 02:52

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General

Target

JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe
Size

157KB
MD5

31210f4112f6c1cf585b74db18e61d22
SHA1

2a4910e63f04a34151a8046c4df6cdffe695edc5
SHA256

639de0739d46c607a041e76b5dcf0f9a91993d32b8d35910bd7bb258ff6bcd6f
SHA512

31c9f49aafb2133af0af39f1326ba05c7d48e98bfbf1c4b994aa67b575f803a564e1ccdb8b7a1cc162ab6d95e430b162550e57e2acdd54393db064f24234241d
SSDEEP

3072:foUGzRVHgCcnV5j9j0lvil2NnGfNGHqRy1zkeS1FpTa3q5tJHw:nGzRxSVtp0l6whGfsKR+zkBpTaa5tJHw

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2832-9-0x0000000000400000-0x00000000004F0000-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
Gh0strat family
gh0strat

Executes dropped EXE 1 IoCs

pid	Process
2832	(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\\JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe"	JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2184-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/2832-9-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x000f000000017390-8.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe
File created	\??\c:\Windows\BJ.exe	JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe
File created	\??\c:\Windows\(null)0.exe	JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.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	JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.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 2184 wrote to memory of 2832	2184	JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe	31
PID 2184 wrote to memory of 2832	2184	JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe	31
PID 2184 wrote to memory of 2832	2184	JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe	31
PID 2184 wrote to memory of 2832	2184	JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31210f4112f6c1cf585b74db18e61d22.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2832

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
157KB

MD5
31210f4112f6c1cf585b74db18e61d22

SHA1
2a4910e63f04a34151a8046c4df6cdffe695edc5

SHA256
639de0739d46c607a041e76b5dcf0f9a91993d32b8d35910bd7bb258ff6bcd6f

SHA512
31c9f49aafb2133af0af39f1326ba05c7d48e98bfbf1c4b994aa67b575f803a564e1ccdb8b7a1cc162ab6d95e430b162550e57e2acdd54393db064f24234241d

Download Submit
memory/2184-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2184-10-0x00000000027F0000-0x00000000028E0000-memory.dmp

Filesize
960KB

Download
memory/2832-9-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads