gh0strat | a997a35f57b80da86eeb8fbf74fe82b3dc44adac2f4e85364c250a59a677540c

General

Target

4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe
Size

34KB
MD5

4cdd8a1e35b69ac641523db139e401af
SHA1

5907953486632332fc8524eaa18040fa4034e666
SHA256

a997a35f57b80da86eeb8fbf74fe82b3dc44adac2f4e85364c250a59a677540c
SHA512

e4b68cd5459cb33c703f40a09d4a0f6cb9962478ccc6720b46a8656bb427f0f4c44b827719ffc626a1857157fc4da24e8fa30e55437f833d3f6aef02bd96f4a2
SSDEEP

768:iw/iOWTK3JWhOM/qZh7UJGcZ/RzdUKRFvnbcuyD7UHLAj:RQK52fqZSIAZS2nouy88j

Score

10^/10

gh0strat runningrat persistence rat upx

Malware Config

Extracted

Family

gh0strat

C2

post.f2pool.info

Signatures

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x000b00000002341e-2.dat	family_gh0strat
behavioral2/memory/4792-9-0x0000000000400000-0x0000000000421000-memory.dmp	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
RunningRat
RunningRat is a remote access trojan first seen in 2018.
rat runningrat

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\lsass\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\240595828.dll"	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

lsass.exe

pid	Process
4100	lsass.exe

Loads dropped DLL 3 IoCs

Processes:

4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exesvchost.exelsass.exe

pid	Process
4792	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe
2896	svchost.exe
4100	lsass.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4792-0-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4792-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\lsass.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\lsass.exe	svchost.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
3384	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

pid	Process
4792	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe
4792	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	4792	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

pid	Process
4792	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 4792 wrote to memory of 3980	4792	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe	85
PID 4792 wrote to memory of 3980	4792	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe	85
PID 4792 wrote to memory of 3980	4792	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe	85
PID 3980 wrote to memory of 3384	3980	cmd.exe	87
PID 3980 wrote to memory of 3384	3980	cmd.exe	87
PID 3980 wrote to memory of 3384	3980	cmd.exe	87
PID 2896 wrote to memory of 4100	2896	svchost.exe	97
PID 2896 wrote to memory of 4100	2896	svchost.exe	97
PID 2896 wrote to memory of 4100	2896	svchost.exe	97

C:\Users\Admin\AppData\Local\Temp\4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe"
1⤵
- Sets DLL path for service in the registry
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3980
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:3384

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "lsass"
1⤵
PID:736

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "lsass"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\lsass.exe
  C:\Windows\system32\lsass.exe "c:\users\admin\appdata\local\temp\240595828.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4100

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

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\240595828.dll

Filesize
37KB

MD5
114bc5e2d019f14943d69fff3c75d2c5

SHA1
c8b8688eb2e5aec7e8536f8aab33b502fca772a8

SHA256
5252db9274fb6e5625460fd1d7c3f44d1f2754f47ca4165d0b712dba6e6f00cc

SHA512
010be88111d3e8733627107926593176b573e1e048d71ed587c1dfc62289e4dd5d51c08cc63042156d52dc67d97dfdcf3d391f012b98f56ca9a160db687aaa56

Download Submit
C:\Windows\SysWOW64\lsass.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/4792-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4792-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads