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

resource	yara_rule
behavioral1/files/0x000e000000012122-2.dat	family_gh0strat
behavioral1/memory/848-8-0x0000000000400000-0x0000000000421000-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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\lsass\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\259399726.dll"	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2712	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	lsass.exe

Loads dropped DLL 7 IoCs

pid	Process
848	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe
2088	svchost.exe
2088	svchost.exe
2852	lsass.exe
2852	lsass.exe
2852	lsass.exe
2852	lsass.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/848-0-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/848-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

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

pid	Process
3064	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
848	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	848	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
848	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2712	848	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe	30
PID 848 wrote to memory of 2712	848	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe	30
PID 848 wrote to memory of 2712	848	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe	30
PID 848 wrote to memory of 2712	848	4cdd8a1e35b69ac641523db139e401af_JaffaCakes118.exe	30
PID 2712 wrote to memory of 3064	2712	cmd.exe	32
PID 2712 wrote to memory of 3064	2712	cmd.exe	32
PID 2712 wrote to memory of 3064	2712	cmd.exe	32
PID 2712 wrote to memory of 3064	2712	cmd.exe	32
PID 2088 wrote to memory of 2852	2088	svchost.exe	33
PID 2088 wrote to memory of 2852	2088	svchost.exe	33
PID 2088 wrote to memory of 2852	2088	svchost.exe	33
PID 2088 wrote to memory of 2852	2088	svchost.exe	33

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
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:848
- 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⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:3064

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "lsass"
1⤵
PID:2100

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:2088
- C:\Windows\SysWOW64\lsass.exe
  C:\Windows\system32\lsass.exe "c:\users\admin\appdata\local\temp\259399726.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2852

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

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\lsass.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\259399726.dll

Filesize
37KB

MD5
114bc5e2d019f14943d69fff3c75d2c5

SHA1
c8b8688eb2e5aec7e8536f8aab33b502fca772a8

SHA256
5252db9274fb6e5625460fd1d7c3f44d1f2754f47ca4165d0b712dba6e6f00cc

SHA512
010be88111d3e8733627107926593176b573e1e048d71ed587c1dfc62289e4dd5d51c08cc63042156d52dc67d97dfdcf3d391f012b98f56ca9a160db687aaa56

Download Submit
memory/848-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/848-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads