gh0strat | d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357

General

Target

d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe
Size

1.2MB
MD5

93bd7c53b5d5075a012039b0ed7a19bc
SHA1

21db18e3b04912518b940d3c818e8abcf97b5161
SHA256

d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357
SHA512

97711ef14a35e45951c0e380d70e1687ec9ed15aa866b68ff36521623517ec27d683a4d794a9dfabb98dfc1dab3881721dbad34f3d757cc97c2574aea05110b9
SSDEEP

24576:rEdksIGN71VVbzYEL+5dNmZG8RRl9T7t8/:rEywVVvUji3TS/

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259399164.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:

GLk.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchist\Parameters\ServiceDll = "C:\\Windows\\system32\\259399164.bat"	GLk.exe

Executes dropped EXE 2 IoCs

Processes:

GLk.exesvchist.exe

pid process

3004 GLk.exe
2716 svchist.exe
Loads dropped DLL 5 IoCs

Processes:

d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exeGLk.exesvchost.exesvchist.exe

pid process

2928 d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe
3004 GLk.exe
2932 svchost.exe
2932 svchost.exe
2716 svchist.exe

pid	process
3004	GLk.exe
2716	svchist.exe

Drops file in System32 directory 4 IoCs

Processes:

GLk.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259399164.bat	GLk.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	GLk.exe
File created	C:\Windows\SysWOW64\svchist.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchist.exe	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe

pid	process
2928	d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe
2928	d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exesvchost.exe

description	pid	process	target process
PID 2928 wrote to memory of 3004	2928	d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe	GLk.exe
PID 2928 wrote to memory of 3004	2928	d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe	GLk.exe
PID 2928 wrote to memory of 3004	2928	d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe	GLk.exe
PID 2928 wrote to memory of 3004	2928	d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe	GLk.exe
PID 2932 wrote to memory of 2716	2932	svchost.exe	svchist.exe
PID 2932 wrote to memory of 2716	2932	svchost.exe	svchist.exe
PID 2932 wrote to memory of 2716	2932	svchost.exe	svchist.exe
PID 2932 wrote to memory of 2716	2932	svchost.exe	svchist.exe

C:\Users\Admin\AppData\Local\Temp\d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe
"C:\Users\Admin\AppData\Local\Temp\d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928

C:\Users\Admin\AppData\Local\Temp\GLk.exe
C:\Users\Admin\AppData\Local\Temp\\GLk.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:3004

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchist"
1⤵
PID:1748

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchist"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2932

C:\Windows\SysWOW64\svchist.exe
C:\Windows\system32\svchist.exe "c:\windows\system32\259399164.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2716

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\GLk.exe

Filesize
337KB

MD5
b8e58a96761799f4ad0548dba39d650c

SHA1
c00032d40cfbe4ccfd3ce3e4c8defb2a2ef9fc1f

SHA256
334e8e7c65b087985766d652f70b710bdba6aea55a2fa17b97ba2961e8eee9df

SHA512
1cd94994ed3f6594e37e6cd1d266ff96bb37c5e99d9ce6fd4637ed615ee8c6496b54a025fdccced6fca200f8f2da8011177c67c943676b30bfb0655393765fe3

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

Filesize
1.2MB

MD5
93bd7c53b5d5075a012039b0ed7a19bc

SHA1
21db18e3b04912518b940d3c818e8abcf97b5161

SHA256
d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357

SHA512
97711ef14a35e45951c0e380d70e1687ec9ed15aa866b68ff36521623517ec27d683a4d794a9dfabb98dfc1dab3881721dbad34f3d757cc97c2574aea05110b9

Download Submit
\Windows\SysWOW64\259399164.bat

Filesize
51KB

MD5
7f6c8d37ef1e6ae871d77fbccff54a52

SHA1
aa8c1a52b3798a47ff929813272ab5c735167d95

SHA256
84ba9bcbe2eb0e91b8469c80598061d45644ea213a781222aef9e7a6e0e5e7df

SHA512
0cbbe4731a7af27f5c9078a1969dd107a154ba8e17ec11db1adb28cd84d19d14f149a946e862cdc133bef4ec2770ec08a848eb047e35090845ac89aa07354c3e

Download Submit
\Windows\SysWOW64\svchist.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