gh0strat | a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78

Resubmissions

24-11-2024 12:07

241124-pat21syme1 10

24-11-2024 12:04

241124-n8pphsylht 10

Analysis

max time kernel
148s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
24-11-2024 12:07

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General

Target

a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe
Size

328KB
MD5

547b878574ddb23538a8d3409ce702b0
SHA1

ede7adac69f17ed846624c8942e5bdf5a737b164
SHA256

a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78
SHA512

966d6b8d7b91f2195e575ff175f718bf66de61830752e88d0f23956c4dbb9069e11002496bb5c31a21bb651687257994d0b28d7bae937fb46fb62f45bf055e90
SSDEEP

6144:4eKKtlCCp1fBpzhhh2KNZbBKKKrx90J8GtiU67+arHM:hlBpBBpcKwnON6Cars

Score

10^/10

gh0strat ramnit banker discovery persistence rat spyware stealer trojan upx worm

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral4/memory/3012-0-0x0000000010000000-0x0000000010024000-memory.dmp	family_gh0strat
behavioral4/memory/3012-5-0x0000000010000000-0x0000000010024000-memory.dmp	family_gh0strat
behavioral4/memory/3012-14-0x0000000010000000-0x0000000010024000-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
Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
3728	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78Srv.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\USER\S-1-5-21-556537508-2730415644-482548075-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe"	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral4/files/0x000d000000025e5c-6.dat	upx
behavioral4/memory/3728-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral4/memory/3728-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
976	3728	WerFault.exe	80

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	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78Srv.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3012	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe
3012	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe
3012	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe
3012	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 3728	3012	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe	80
PID 3012 wrote to memory of 3728	3012	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe	80
PID 3012 wrote to memory of 3728	3012	a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe	80

C:\Users\Admin\AppData\Local\Temp\a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe
"C:\Users\Admin\AppData\Local\Temp\a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78Srv.exe
  C:\Users\Admin\AppData\Local\Temp\a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78Srv.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 320
    3⤵
    - Program crash
    PID:976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3728 -ip 3728
1⤵
PID:4572

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\a200023b3ff5786e5e4d90ff8fb355a4bbbe052861871e29a361d2d04233da78Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/3012-0-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3012-5-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3012-14-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3728-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3728-10-0x0000000000590000-0x000000000059F000-memory.dmp

Filesize
60KB

Download
memory/3728-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download