gh0strat | 5b0734ce31772330d604e774ccf6d901b8fbd217746672e2497545d460282c93

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2025 14:20

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General

Target

JaffaCakes118_4bd2de681b7cac53ab557eea158f4d77.exe
Size

64KB
MD5

4bd2de681b7cac53ab557eea158f4d77
SHA1

ac1640596b4a23d234328a465fb212fe277057fa
SHA256

5b0734ce31772330d604e774ccf6d901b8fbd217746672e2497545d460282c93
SHA512

e7b550a226ada2c796a2ea2a92bdcdee1cf17cc72e98a6cd88f1fc53dbdbd9db4656954b0cd73d78407d3da761dd1a64f9447a6d6d18b6452ce8103af238ea6e
SSDEEP

1536:wRs8htS6N2/fboBvBIjBbwhQqAt/BTwp+knouy8BL1L:w+87lrBvBIjtwh9AtxwToutB5

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/3940-6-0x0000000010000000-0x0000000010026000-memory.dmp	family_gh0strat
behavioral2/memory/3940-8-0x0000000010000000-0x0000000010026000-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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Microsoft Devicger\Parameters\ServiceDll = "C:\\Windows\\system32\\Server.dll"	JaffaCakes118_4bd2de681b7cac53ab557eea158f4d77.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b96-2.dat	acprotect

Deletes itself 1 IoCs

pid	Process
3940	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
3940	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Server.dll	JaffaCakes118_4bd2de681b7cac53ab557eea158f4d77.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b96-2.dat	upx
behavioral2/memory/3940-5-0x0000000010000000-0x0000000010026000-memory.dmp	upx
behavioral2/memory/3940-6-0x0000000010000000-0x0000000010026000-memory.dmp	upx
behavioral2/memory/3940-8-0x0000000010000000-0x0000000010026000-memory.dmp	upx

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_4bd2de681b7cac53ab557eea158f4d77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bd2de681b7cac53ab557eea158f4d77.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bd2de681b7cac53ab557eea158f4d77.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:3124

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\??\c:\windows\SysWOW64\server.dll

Filesize
57KB

MD5
dd138c608e57ff6c5b518dfca14b469b

SHA1
fcba87ae2b0b4cef30ba8c0c9ba5ba6ff1e304f6

SHA256
e72aef4bfed50507de8f82dd1e3d86b60b6dc6a727f1f6673406c64abe54a23e

SHA512
b7a01387e7d86fd1687f0a2da3b972c1be7807917f74029a37b3d82e92c51242fae5c6f34f0aec1377443ee4f4e59654fc1f9dd7d02eae551bb317407223c752

Download Submit
memory/3124-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3124-3-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3940-5-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download
memory/3940-6-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download
memory/3940-8-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download