gh0strat | d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4

General

Target

d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe
Size

1.9MB
MD5

6b226224117c3c1eef4dfdb98b1cb052
SHA1

2b3514ad493c482611230187797cdc93ee21bcda
SHA256

d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4
SHA512

cec556430ba0cffb983fdcb811a59a74afd3445acc29af53e7fa5a5e9d32b6990984241eca31aa56c95a2923328b92d695ae9fe165c3787baf1aaf54ece33bb1
SSDEEP

24576:3YFbkIsaPiXSVnC7Yp9zkNmZG8RRlnhyzHsSG:3YREXSVMDi3Th

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259427244.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\\259427244.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2952 look2.exe
1152 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exelook2.exesvchost.exesvchcst.exe

pid process

1624 d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe
2952 look2.exe
2932 svchost.exe
2932 svchost.exe
1152 svchcst.exe

pid	process
2952	look2.exe
1152	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

svchost.exelook2.exe

description	ioc	process
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\259427244.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe

Drops file in Program Files directory 1 IoCs

Processes:

d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.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:

d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe

pid	process
1624	d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe
1624	d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exesvchost.exe

description	pid	process	target process
PID 1624 wrote to memory of 2952	1624	d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe	look2.exe
PID 1624 wrote to memory of 2952	1624	d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe	look2.exe
PID 1624 wrote to memory of 2952	1624	d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe	look2.exe
PID 1624 wrote to memory of 2952	1624	d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe	look2.exe
PID 2932 wrote to memory of 1152	2932	svchost.exe	svchcst.exe
PID 2932 wrote to memory of 1152	2932	svchost.exe	svchcst.exe
PID 2932 wrote to memory of 1152	2932	svchost.exe	svchcst.exe
PID 2932 wrote to memory of 1152	2932	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe
"C:\Users\Admin\AppData\Local\Temp\d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1624

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:2952

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1612

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:2932

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259427244.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1152

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
1.9MB

MD5
6b226224117c3c1eef4dfdb98b1cb052

SHA1
2b3514ad493c482611230187797cdc93ee21bcda

SHA256
d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4

SHA512
cec556430ba0cffb983fdcb811a59a74afd3445acc29af53e7fa5a5e9d32b6990984241eca31aa56c95a2923328b92d695ae9fe165c3787baf1aaf54ece33bb1

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

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259427244.bat
Filesize
51KB

MD5
f86cab6b5b384345e5af50405148498b

SHA1
8a75c8e2ee1de36321018ad88249e421bd19ed74

SHA256
49b634d6f13a81dc74294d9dbf20e05caee4a6cce9bb3d5fbb98ad46eaf7f2c8

SHA512
3a462e22d23ba373b94300122f512843110d01eb8aa2e1953986c23514044eb1d0a4e1dc34a70847cbcd2c0f50a923446b24247c974acde27a8d05d4b053afb3

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