gh0strat | c9cbb19718bef0f24375c762f6dd422380190718650c802e22a57447f48f1984

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 01:10

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General

Target

54a7b338df1154e20512b64ad2661be7_JaffaCakes118.exe
Size

113KB
MD5

54a7b338df1154e20512b64ad2661be7
SHA1

72658228b4e1ed61b6fff27988945b1680344607
SHA256

c9cbb19718bef0f24375c762f6dd422380190718650c802e22a57447f48f1984
SHA512

41c99d5eff7bf4f514c59fd84ba03f3689e14cf6860c2d0c8c99575ac6cb5d2ebb899f412021d85f3a43469c6970fe80a1eda842b026833786b7eb420cb9a58b
SSDEEP

3072:dmxsSZBYIknpgVglmuVHWhp+hN6L5I+KTCi:dmxsS71knpjYKW7INW5I+Km

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3076-0-0x0000000000400000-0x000000000041E000-memory.dmp	family_gh0strat
behavioral2/memory/3076-5-0x0000000000400000-0x000000000041E000-memory.dmp	family_gh0strat
behavioral2/files/0x000c000000023b57-4.dat	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

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\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibilitymon.dll"	54a7b338df1154e20512b64ad2661be7_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1424	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
1424	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibilitymon.dll	54a7b338df1154e20512b64ad2661be7_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	54a7b338df1154e20512b64ad2661be7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1424	svchost.exe
1424	svchost.exe

C:\Users\Admin\AppData\Local\Temp\54a7b338df1154e20512b64ad2661be7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\54a7b338df1154e20512b64ad2661be7_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:3076

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1424

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\fastuserswitchingcompatibilitymon.dll

Filesize
103KB

MD5
1d05674d10068bf5f0cfd8ae539b47f5

SHA1
c9d8138659e4b8a91572c7999d8712b95dc7ff41

SHA256
7b330af250934090c1c4ff8d87ac6af51998723475a2dbcdae423455385a94a0

SHA512
f13eea5ab852672bb99875a8929894514b8221d8aa8c269ad7ab478eda65a4502d6d31a3be56f7f2a0cc9f5afc4f1c9e1062205804e5bf0451a11b168d03fecc

Download Submit
memory/3076-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3076-5-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download