gh0strat | b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1e

General

Target

b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
Size

2.7MB
MD5

7e77836efbcd079168bb79cb5a07e910
SHA1

beb7e3e76003c9b6ba73c03b07d3e50dcb59b3b1
SHA256

b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1e
SHA512

ac5f4eceea1058079c43122882ac752da2fd8cc9e768ef55cc0b954a049535fd31d41b8f8b1f67802bdae1663ced87084b3a83a5bbbb01030b36e8dbcbaf0399
SSDEEP

49152:/YREXSVMDi39x7kYKy2Re589Y+wejfxYD2qQfs+RiieNXs:A2SVMD8n7kYec589YLeLxYD2qQfs+Rs8

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240624968.bat	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

Processes:

look2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240624968.bat"	look2.exe

Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exesvchcst.exe

pid process

920 look2.exe
4112 HD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
2100 svchcst.exe
Loads dropped DLL 3 IoCs

Processes:

look2.exesvchost.exesvchcst.exe

pid process

920 look2.exe
4404 svchost.exe
2100 svchcst.exe

pid	process
920	look2.exe
4112	HD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
2100	svchcst.exe

pid	process
920	look2.exe
4404	svchost.exe
2100	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240624968.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

Processes:

b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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

Processes:

svchost.exeHD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exesvchcst.exeb782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exelook2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	look2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe

pid	process
4776	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
4776	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe

pid	process
4776	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
4776	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exesvchost.exe

description	pid	process	target process
PID 4776 wrote to memory of 920	4776	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe	look2.exe
PID 4776 wrote to memory of 920	4776	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe	look2.exe
PID 4776 wrote to memory of 920	4776	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe	look2.exe
PID 4776 wrote to memory of 4112	4776	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe	HD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
PID 4776 wrote to memory of 4112	4776	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe	HD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
PID 4776 wrote to memory of 4112	4776	b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe	HD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
PID 4404 wrote to memory of 2100	4404	svchost.exe	svchcst.exe
PID 4404 wrote to memory of 2100	4404	svchost.exe	svchcst.exe
PID 4404 wrote to memory of 2100	4404	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
"C:\Users\Admin\AppData\Local\Temp\b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Users\Admin\AppData\Local\Temp\look2.exe
  C:\Users\Admin\AppData\Local\Temp\\look2.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:920
- C:\Users\Admin\AppData\Local\Temp\HD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
  C:\Users\Admin\AppData\Local\Temp\HD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4112

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:944

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240624968.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.3MB

MD5
a3b312045874c1b649aa97591b6598b6

SHA1
5f7d6e1704562bc40ea31b9acfa26ad36ceaf00c

SHA256
8f00e0d6fbe748bc26e5c2b9f19b3c754b96d0e539aaaa48a0d7a1ee6053bf15

SHA512
69bb57d9ab8530580ae96d1955a937abc8e0f1bba175c1525d8eb9a1cbb904299451a9b34500ad38c63ca0e6f40f71cf77023a28d0ead060acc00867ed39d671

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_b782eb18e415722aa14a0b8a51f3d6a8f108efc3b5c0f8304dafc939bf1cab1eN.exe

Filesize
1.4MB

MD5
03f51f5997e82243ed5c0c4f327a3ce9

SHA1
3bd9738ac07ea8bb7ba582039996f37cc3b4d567

SHA256
9f8932918e2b1101822b3c86530e58520da108640ead49da228001bbc9a1833f

SHA512
6c4364c56a630d436e358cae01a47dbfac674ede74df778be1d2ee22f6e3ac925a3c535ef030851a4330e3321cd96cfb2aaf073b7f198e62e4bfc7b5ddf29ccf

Download Submit
C:\Users\Admin\AppData\Local\Temp\look2.exe

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
C:\Windows\SysWOW64\240624968.bat

Filesize
51KB

MD5
57d93fc6374145ab6694053994f77eab

SHA1
b5b14f74ea1540ba8b734044b33f7e00fffffeaf

SHA256
87bb0a01cffb50f444f4d73f3cbcc405f88313272e5b0e3285c3bedabed74de9

SHA512
17c5ddc7b75803b0649537b2110a03d617fedc9a6ff2db10347f7d9456bf19cbd333d760131dcf354de31f4f4861745f518b799646adad6846cdb9e71e331b2f

Download Submit
C:\Windows\SysWOW64\svchcst.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads