gh0strat | 42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1

General

Target

42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe
Size

1.4MB
MD5

d06fa166143d57aa8a42e20efd2e3310
SHA1

a989511d93670277cc6d6331a3afa29a3ad2b6ba
SHA256

42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1
SHA512

fe93cee9ee16744b672660082a67df83dcb0b1c0cade0a451a143471133aaf64ee426773797c2975af141058108c49f0b6e099227fbcbacd10fd78637f58b2d9
SSDEEP

24576:ZYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnryzHAz:ZYREXSVMDi3nz

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259401956.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\\259401956.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2212 look2.exe
2904 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exelook2.exesvchost.exesvchcst.exe

pid process

2408 42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe
2212 look2.exe
2100 svchost.exe
2100 svchost.exe
2904 svchcst.exe

pid	process
2212	look2.exe
2904	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259401956.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:

42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.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:

42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe

pid	process
2408	42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe
2408	42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exesvchost.exe

description	pid	process	target process
PID 2408 wrote to memory of 2212	2408	42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe	look2.exe
PID 2408 wrote to memory of 2212	2408	42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe	look2.exe
PID 2408 wrote to memory of 2212	2408	42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe	look2.exe
PID 2408 wrote to memory of 2212	2408	42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe	look2.exe
PID 2100 wrote to memory of 2904	2100	svchost.exe	svchcst.exe
PID 2100 wrote to memory of 2904	2100	svchost.exe	svchcst.exe
PID 2100 wrote to memory of 2904	2100	svchost.exe	svchcst.exe
PID 2100 wrote to memory of 2904	2100	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe
"C:\Users\Admin\AppData\Local\Temp\42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2408

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:2212

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2884

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:2100

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259401956.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2904

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
1.4MB

MD5
d06fa166143d57aa8a42e20efd2e3310

SHA1
a989511d93670277cc6d6331a3afa29a3ad2b6ba

SHA256
42f15ba9f5b89464dfedc7329d3e96edc578776ef5cc58cb31a360db4b0049d1

SHA512
fe93cee9ee16744b672660082a67df83dcb0b1c0cade0a451a143471133aaf64ee426773797c2975af141058108c49f0b6e099227fbcbacd10fd78637f58b2d9

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259401956.bat

Filesize
51KB

MD5
7029383ab87cb7c039f4b52bbcd844c1

SHA1
1ad227c1613471208a4cbb9e90123d2eb185b332

SHA256
d02656cfa6094ab32ba7f5d3f529a8106d511b4859a8564dadb22ded6b5df48a

SHA512
aa057918c5d2d63552545cbab43e0eb6ad1fc48fc68de2dc945980838311a5de4cc39b18eb1ecd04534ef8ddef1e633d1af5fe9795735040135c401d25d3e17b

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads