gh0strat | 5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d

General

Target

5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
Size

4.2MB
MD5

32731fefb5badec0681ed1664d552d0d
SHA1

46f92f493f4458bcfa0677571a8bf79607e365d3
SHA256

5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d
SHA512

a1d07ab13003ba08b24a823f8ad9ba7df695f1192977d18a94c71ee6332fafb34ed3db6197fc0abacb3e47fcfce34c7ae39cb43fc62440354879127d7bd20f0b
SSDEEP

49152:yYREXSVMDi3vbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLn:X2SVMD8vbXsPN5kiQaZ56

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240648718.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\\240648718.bat"	look2.exe

Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exesvchcst.exe

pid process

2416 look2.exe
4004 HD_5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
3508 svchcst.exe
Loads dropped DLL 3 IoCs

Processes:

look2.exesvchost.exesvchcst.exe

pid process

2416 look2.exe
4728 svchost.exe
3508 svchcst.exe

pid	process
2416	look2.exe
4004	HD_5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
3508	svchcst.exe

pid	process
2416	look2.exe
4728	svchost.exe
3508	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240648718.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:

5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe

pid	process
1064	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
1064	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe

pid	process
1064	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
1064	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exesvchost.exe

description	pid	process	target process
PID 1064 wrote to memory of 2416	1064	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe	look2.exe
PID 1064 wrote to memory of 2416	1064	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe	look2.exe
PID 1064 wrote to memory of 2416	1064	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe	look2.exe
PID 1064 wrote to memory of 4004	1064	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe	HD_5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
PID 1064 wrote to memory of 4004	1064	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe	HD_5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
PID 1064 wrote to memory of 4004	1064	5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe	HD_5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
PID 4728 wrote to memory of 3508	4728	svchost.exe	svchcst.exe
PID 4728 wrote to memory of 3508	4728	svchost.exe	svchcst.exe
PID 4728 wrote to memory of 3508	4728	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
"C:\Users\Admin\AppData\Local\Temp\5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064

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:2416

C:\Users\Admin\AppData\Local\Temp\HD_5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
C:\Users\Admin\AppData\Local\Temp\HD_5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
2⤵
- Executes dropped EXE
PID:4004

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1856

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:4728

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\240648718.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3508

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=4332,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4216 /prefetch:8
1⤵
PID:1844

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_5a273c6dfd7b925f11e622ae164fb3b1b16f41519ad3aff52b0c33cacd55952d.exe
Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

MD5
55b2f37b840dc6c20e5f4a4810d3ffab

SHA1
cd37161e0d6fcdb6e40def756ea9157852a0f40c

SHA256
c73a0e8281ffa34581f3b5aede52e04052c0fb90e75df72db137aa4001efbdcd

SHA512
ff6ab54ae080f39efac1d04cc92be69fa07195fc7671f03f2d535ea837f4731491385b2e12b133a15bc87821b55d0101aab796720651b3bc8f14b60278b7177a

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\240648718.bat
Filesize
51KB

MD5
52c5c16eeda50363497cce971d203301

SHA1
50141ea71fbd77c8a183151122d8ceb57197de11

SHA256
862ff540dd80f58169eea8f53be0dba5e111c6c241aadf8f8e401da5b5c95ccc

SHA512
357b5fdb65c80c5b700f0d0659dc3123c895f851bf3a4b68b936be40a1dc89ff151557ca85dbcf005270ba41d05c97b4b2692250e636f9266344810c719e4d0b

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 Matrix ATT&CK v13

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Downloads