gh0strat | 93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518

General

Target

93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe
Size

1.3MB
MD5

55e982207fbdaf7adc0abd88ae6374a3
SHA1

c2a19282affac38663120b0737361943792cf0b8
SHA256

93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518
SHA512

d24a869abb15653e26bc0ed76befd9b84b7700b0949ef2cf8997f661fc6e7f83c9ad468c70bc5069bcecfb36a4ce5d9dfaab4b75ab1327e6ecbaddb279c308e0
SSDEEP

24576:eYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9yyzoqfa1t:eYREXSVMKi3YqfU

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259396340.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\\259396340.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2216 look2.exe
2640 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exelook2.exesvchost.exesvchcst.exe

pid process

1728 93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe
2216 look2.exe
2768 svchost.exe
2768 svchost.exe
2640 svchcst.exe

pid	process
2216	look2.exe
2640	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259396340.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:

93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.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:

93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe

pid	process
1728	93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe
1728	93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exesvchost.exe

description	pid	process	target process
PID 1728 wrote to memory of 2216	1728	93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe	look2.exe
PID 1728 wrote to memory of 2216	1728	93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe	look2.exe
PID 1728 wrote to memory of 2216	1728	93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe	look2.exe
PID 1728 wrote to memory of 2216	1728	93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe	look2.exe
PID 2768 wrote to memory of 2640	2768	svchost.exe	svchcst.exe
PID 2768 wrote to memory of 2640	2768	svchost.exe	svchcst.exe
PID 2768 wrote to memory of 2640	2768	svchost.exe	svchcst.exe
PID 2768 wrote to memory of 2640	2768	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe
"C:\Users\Admin\AppData\Local\Temp\93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728

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:2216

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2012

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:2768

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259396340.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2640

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
1.3MB

MD5
55e982207fbdaf7adc0abd88ae6374a3

SHA1
c2a19282affac38663120b0737361943792cf0b8

SHA256
93aab9b8915062b7485e525f3a1dde095cb9ecde795bbb5cadeacc0678305518

SHA512
d24a869abb15653e26bc0ed76befd9b84b7700b0949ef2cf8997f661fc6e7f83c9ad468c70bc5069bcecfb36a4ce5d9dfaab4b75ab1327e6ecbaddb279c308e0

Download Submit
\Users\Admin\AppData\Local\Temp\look2.exe
Filesize
337KB

MD5
fb66e1e31fa1e6dfb21a50ccd11e0409

SHA1
6c45a0a115ec896eb14a531a44809b2a22cf8934

SHA256
5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

SHA512
58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

Download Submit
\Windows\SysWOW64\259396340.bat
Filesize
51KB

MD5
f5a4017e617ac7283bfc5f69a0ed204a

SHA1
2437c9e0a1906a9b22677684afa8890c4a9c1442

SHA256
d24b2cc6140e301017056a4548bc606e0993cc1063494a083523ebeb8ec26500

SHA512
8a02074b7cd63eb08d1052fa0bd3388a610f23d39635259f77307096d573fd46c0b9eb9030ad14a377eb678ef0ac7c87e52c5336d83252cd4815bae8e1328a9d

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