gh0strat | 87947c8440b2942c1f17dabd18546dc633d10194e7e1c79aee22577b34edaa30

Analysis

max time kernel
92s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 10:55

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General

Target

be6d693b1e5b88308f100bb4ae6f9585.exe
Size

64KB
MD5

be6d693b1e5b88308f100bb4ae6f9585
SHA1

2efba56549969c6afdfab18375162a212db7bb51
SHA256

87947c8440b2942c1f17dabd18546dc633d10194e7e1c79aee22577b34edaa30
SHA512

d9043a1b3df216ad8a94970439b0ec5fb1e5d5db995be77deca2f2ea16f2d3697bc01139ce54e1d1d1ebc762caa0a67fe0727043d1ecfa216ce2bf349bf91e9a
SSDEEP

1536:Sb27b2sOlHkfBKHVkzsc4jwWPgiqxiMnYiqYqqn+jviG4M1:F7yjHQMAs/jwRiyil

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000a0000000231e9-4.dat	family_gh0strat
behavioral2/memory/1536-14-0x0000000000400000-0x000000000042F400-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

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Drivers\beep.sys	be6d693b1e5b88308f100bb4ae6f9585.exe
File opened for modification	C:\Windows\SysWOW64\Drivers\beep.sys	svchost.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibilityex.dll"	be6d693b1e5b88308f100bb4ae6f9585.exe

Deletes itself 1 IoCs

pid	Process
744	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1536	be6d693b1e5b88308f100bb4ae6f9585.exe
744	svchost.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1536-0-0x0000000000400000-0x000000000042F400-memory.dmp	upx
behavioral2/memory/1536-14-0x0000000000400000-0x000000000042F400-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibilityex.dll	be6d693b1e5b88308f100bb4ae6f9585.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
660	Process not Found
660	Process not Found

C:\Users\Admin\AppData\Local\Temp\be6d693b1e5b88308f100bb4ae6f9585.exe
"C:\Users\Admin\AppData\Local\Temp\be6d693b1e5b88308f100bb4ae6f9585.exe"
1⤵
- Drops file in Drivers directory
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
PID:1536

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- Drops file in Drivers directory
- Deletes itself
- Loads dropped DLL
PID:744

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dll.tmp

Filesize
88KB

MD5
2e0eb88e8c013e20a1186f3842f191cd

SHA1
e29409127160aaf63040873cce08fb4212f6ab7e

SHA256
e52798a232c3147ae66b30e6444e653c249d7eaaee09dae6af3df95e2de21541

SHA512
7abeae95b2391c173c2b7b167a23d0d33806e921a9696535a6e8fda555d7cb3bfc2b8f6f3ed374fa7eb7a0880b009cd4971cadef2f273a985a3f68fd4c5b7ad9

Download Submit
C:\Windows\SysWOW64\install.tmp

Filesize
70B

MD5
741627da6c0fd22dfa7573ada2308a1d

SHA1
133d0095547e52e590543497c90f3a1b5d90cf99

SHA256
e9378eedae07f816f50f70300f09359b67f32ba4ab71d93735eb60a2337ac238

SHA512
6437d130bfc96cef41e8e0b9416c97fb7e4e04b3c211754dd6c5157ab568392cdde82ecb1b4bce255241869e1713ea10a96c971042358819ff90e21a4776b292

Download Submit
memory/1536-0-0x0000000000400000-0x000000000042F400-memory.dmp

Filesize
189KB

Download
memory/1536-14-0x0000000000400000-0x000000000042F400-memory.dmp

Filesize
189KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads