gh0strat | e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d

General

Target

e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
Size

4.7MB
MD5

d43d786ebe82a03eade791f7f22d1e90
SHA1

53331412127045354918afd54399a4d0895ad365
SHA256

e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d
SHA512

182f3fb5bbb6c84715f0f5ddf90fb8387fe1095246c8c04ec624517bace73c03ace49743d9ea3b2e1a4bbf2fcfffcf61d2d8586f96a74ea22656d837f027faba
SSDEEP

49152:jYREXSVMDi3ceEabXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl2X:s2SVMD8crabXsPN5kiQaZ56

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240643171.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\\240643171.bat"	look2.exe

Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exesvchcst.exe

pid process

1652 look2.exe
3252 HD_e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
1764 svchcst.exe
Loads dropped DLL 3 IoCs

Processes:

look2.exesvchost.exesvchcst.exe

pid process

1652 look2.exe
2008 svchost.exe
1764 svchcst.exe

pid	process
1652	look2.exe
3252	HD_e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
1764	svchcst.exe

pid	process
1652	look2.exe
2008	svchost.exe
1764	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240643171.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:

e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.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:

e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe

pid	process
3908	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
3908	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe

pid	process
3908	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
3908	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exesvchost.exe

description	pid	process	target process
PID 3908 wrote to memory of 1652	3908	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe	look2.exe
PID 3908 wrote to memory of 1652	3908	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe	look2.exe
PID 3908 wrote to memory of 1652	3908	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe	look2.exe
PID 3908 wrote to memory of 3252	3908	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe	HD_e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
PID 3908 wrote to memory of 3252	3908	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe	HD_e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
PID 3908 wrote to memory of 3252	3908	e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe	HD_e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
PID 2008 wrote to memory of 1764	2008	svchost.exe	svchcst.exe
PID 2008 wrote to memory of 1764	2008	svchost.exe	svchcst.exe
PID 2008 wrote to memory of 1764	2008	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
"C:\Users\Admin\AppData\Local\Temp\e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3908

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:1652

C:\Users\Admin\AppData\Local\Temp\HD_e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
C:\Users\Admin\AppData\Local\Temp\HD_e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe
2⤵
- Executes dropped EXE
PID:3252

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:392

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:2008

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\240643171.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1764

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=4400,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=3668 /prefetch:8
1⤵
PID:4164

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_e870f729c06b572e8b4ea49213a732235aaecb9af9e23ddb88dd1d808d068c5d.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCXEDCB.tmp

Filesize
1.6MB

MD5
aa7b1fa79b690b593963dcca32b29596

SHA1
07e6f654c9b0c008886be7c27c3185ca5dca004f

SHA256
9dbb890ef76478ac1a25012c1f75e34f54d3b9c5cfca961a23a010208bed45b9

SHA512
671f81bc5801e074bbf760a1bf936c2036a30c9f575d2cf91bdcfb87629516178088b441fdae2154cf21fcfa78a3434700959f88ebc821eebb287f1b9da013f5

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\240643171.bat

Filesize
51KB

MD5
e6b2e77474a23294ae8dc42e55f3a7cf

SHA1
bb31b4404b5de1ea592a0c953f2f198ee75dc9cd

SHA256
bd497a2632a1b2b8eb5a67d75e87245e8c3ae4fc9115153916a81cdc606b9297

SHA512
c5ab013b49af8ef4bb3d58c90e33eadc3534a7a1addc6a4784c3fb0d8940d385f162724f020215446547725b95216716ca965451cc43685ffeef6f26da76bed4

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