gh0strat | 59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500

General

Target

59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe
Size

1.2MB
MD5

af552700223c39ebbbe7f3cc97b8c45d
SHA1

2ff6dfb3c1360628f012e3fbbdd641f97f93af43
SHA256

59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500
SHA512

a9d75666d44d523d111b5bd35e7fc7d765fb5171022e88a653afbb95a5243c3fd1934499e2fe6ad1361a7cff23dd9db7f2b0b205c62a719f530a3fb66b142159
SSDEEP

24576:8YFbkIsaPiXSVnC7Yp9zkNmZG8RRln/yzJwV:8YREXSVMDi35

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240648593.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

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

look2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240648593.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

1764 look2.exe
4704 svchcst.exe
Loads dropped DLL 3 IoCs

Processes:

look2.exesvchost.exesvchcst.exe

pid process

1764 look2.exe
2380 svchost.exe
4704 svchcst.exe

pid	process
1764	look2.exe
4704	svchcst.exe

pid	process
1764	look2.exe
2380	svchost.exe
4704	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

svchost.exelook2.exe

description	ioc	process
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\240648593.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe

Drops file in Program Files directory 1 IoCs

Processes:

59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe

pid	process
4004	59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe
4004	59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exesvchost.exe

description	pid	process	target process
PID 4004 wrote to memory of 1764	4004	59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe	look2.exe
PID 4004 wrote to memory of 1764	4004	59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe	look2.exe
PID 4004 wrote to memory of 1764	4004	59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe	look2.exe
PID 2380 wrote to memory of 4704	2380	svchost.exe	svchcst.exe
PID 2380 wrote to memory of 4704	2380	svchost.exe	svchcst.exe
PID 2380 wrote to memory of 4704	2380	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe
"C:\Users\Admin\AppData\Local\Temp\59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4004

C:\Users\Admin\AppData\Local\Temp\look2.exe
C:\Users\Admin\AppData\Local\Temp\\look2.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:1764

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1708

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\240648593.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4704

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4500,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8
1⤵
PID:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.2MB

MD5
af552700223c39ebbbe7f3cc97b8c45d

SHA1
2ff6dfb3c1360628f012e3fbbdd641f97f93af43

SHA256
59450c2294c807d977a8581a4130a9f4b04d5fe9ca1ed2c9b3df193ed9c14500

SHA512
a9d75666d44d523d111b5bd35e7fc7d765fb5171022e88a653afbb95a5243c3fd1934499e2fe6ad1361a7cff23dd9db7f2b0b205c62a719f530a3fb66b142159

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\240648593.bat
Filesize
51KB

MD5
3c4fad22d953baf0b82344e43a316a87

SHA1
c90e23dd6d822e773ca5dce62e5eda2a28f54458

SHA256
ece75cbba5e115a8b06c49e4312d493ab57dc1561d5af66e205f9528afd64e0c

SHA512
e324d1369dbe9a4ce3a2d1630ea956033fd744caa24e25253ba1cb935e2b790e0082db0b7703ab3298e0fcb0d503be678b5f3815791989c3b0cf3c4fd1741a8e

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