gh0strat | 4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5

General

Target

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
Size

4.6MB
MD5

559e2fc646e0b7910f93f94701133492
SHA1

2dcab4f67c5884d1e99b656426b6754a8da25668
SHA256

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5
SHA512

c43435009a253aadddaa91b8b705c7e9d6e89936390240b3c5ee5d9dc04b7123063704f384723b90eb8648ac79fa380a9109dff464fc7a2947b11ca9e2ef8113
SSDEEP

49152:+YREXSVMKi3UbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLn:L2SVMK8UbXsPN5kiQaZ56

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259423719.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\\259423719.bat"	look2.exe

Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exesvchcst.exe

pid process

1728 look2.exe
2780 HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
2532 svchcst.exe

pid	process
1728	look2.exe
2780	HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
2532	svchcst.exe

Loads dropped DLL 6 IoCs

Processes:

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exelook2.exesvchost.exesvchcst.exe

pid	process
2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
1728	look2.exe
1724	svchost.exe
2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
1724	svchost.exe
2532	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\259423719.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe

pid process

2020 4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe

pid	process
2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exesvchost.exe

description	pid	process	target process
PID 2020 wrote to memory of 1728	2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	look2.exe
PID 2020 wrote to memory of 1728	2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	look2.exe
PID 2020 wrote to memory of 1728	2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	look2.exe
PID 2020 wrote to memory of 1728	2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	look2.exe
PID 2020 wrote to memory of 2780	2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
PID 2020 wrote to memory of 2780	2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
PID 2020 wrote to memory of 2780	2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
PID 2020 wrote to memory of 2780	2020	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
PID 1724 wrote to memory of 2532	1724	svchost.exe	svchcst.exe
PID 1724 wrote to memory of 2532	1724	svchost.exe	svchcst.exe
PID 1724 wrote to memory of 2532	1724	svchost.exe	svchcst.exe
PID 1724 wrote to memory of 2532	1724	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
"C:\Users\Admin\AppData\Local\Temp\4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020

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:1728

C:\Users\Admin\AppData\Local\Temp\HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
C:\Users\Admin\AppData\Local\Temp\HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
2⤵
- Executes dropped EXE
PID:2780

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2064

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:1724

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259423719.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2532

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\Desktop\SwitchFormat.exe
Filesize
2.0MB

MD5
6c22213e697a6a34f994c46f556c804f

SHA1
9f146c77947e6641def5db8bfcb9568b5b386938

SHA256
9314f634bc563c0cd75a43b2a24815e7cf95da4f3aed70d7abf32b1315a48242

SHA512
58110243f3deec27ecda97acf0b3bb73f4a2a3feafb5dbb1ed7e3f7c078f5b6412d102ec3700820824a9907cdc48b85671b83d359f08d94cf7e6e610d4f17f5c

Download Submit
\Users\Admin\AppData\Local\Temp\HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

MD5
fb66e1e31fa1e6dfb21a50ccd11e0409

SHA1
6c45a0a115ec896eb14a531a44809b2a22cf8934

SHA256
5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

SHA512
58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

Download Submit
\Windows\SysWOW64\259423719.bat
Filesize
51KB

MD5
b5b0b23809a81e29e52a5634ceeb0305

SHA1
24f169aa622ab574949567797557e2703967c72d

SHA256
71809cbb04f476b235fb58762fd1b0531fb559f7cdc8efc3f7801b73fff1a83e

SHA512
81d0c85b43dde5f2f72bd343b1315c16ae1a6bc687fac2da56e5075e9b05dda55445121ca06363906c82ee105056a3884f8395650705b2efede1f56e3d357103

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 Matrix ATT&CK v13

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Downloads