gh0strat | 3daf20a5d3ac141bfcea988056351c02b793362822f4d8158bfbc5099cfbfcfb

General

Target

JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
Size

131KB
MD5

5544830837abeb24e08b147c2827ebbf
SHA1

e3c6bf20dd809cc21612ca0a6c474b3ca87212b0
SHA256

3daf20a5d3ac141bfcea988056351c02b793362822f4d8158bfbc5099cfbfcfb
SHA512

78f277098180771699568ab5703beeaf0b97ffb8b155bd9f171273981eeb02703f94ad855b56da52a3fbc2f8a4ff11dec49ed740baa4ec66275902c64d82424e
SSDEEP

3072:o2+yQS9bU2jv6cDy2rUrzVaoL45Z90Em3/mt7pwZtDCujBK4i:obyQKg2jDyImVdgZOrvmt72ZtZBo

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2736-0-0x0000000000400000-0x0000000000422000-memory.dmp	family_gh0strat
behavioral1/memory/2892-1-0x0000000000400000-0x0000000000422000-memory.dmp	family_gh0strat
behavioral1/memory/2892-6-0x0000000000400000-0x0000000000422000-memory.dmp	family_gh0strat
behavioral1/files/0x0032000000017474-5.dat	family_gh0strat
behavioral1/memory/2736-8-0x0000000000400000-0x0000000000422000-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
Gh0strat family
gh0strat

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\System32\\FastUserSwitchingCompatibility.exe"	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe

Loads dropped DLL 1 IoCs

pid	Process
2812	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.exe	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B4C3FB0-3E22-40A0-BABB-99FD0D58B6EF}\WpadNetworkName = "Network 3"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-13-08-06-8b-86	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B4C3FB0-3E22-40A0-BABB-99FD0D58B6EF}\8a-13-08-06-8b-86	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B4C3FB0-3E22-40A0-BABB-99FD0D58B6EF}	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B4C3FB0-3E22-40A0-BABB-99FD0D58B6EF}\WpadDecision = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-13-08-06-8b-86\WpadDecisionTime = 7084aa4f5f8edb01	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-13-08-06-8b-86\WpadDecision = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00eb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B4C3FB0-3E22-40A0-BABB-99FD0D58B6EF}\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B4C3FB0-3E22-40A0-BABB-99FD0D58B6EF}\WpadDecisionTime = 7084aa4f5f8edb01	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-13-08-06-8b-86\WpadDecisionReason = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2892	2736	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe	30
PID 2736 wrote to memory of 2892	2736	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe	30
PID 2736 wrote to memory of 2892	2736	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe	30
PID 2736 wrote to memory of 2892	2736	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2892

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\??\c:\windows\SysWOW64\fastuserswitchingcompatibility.exe

Filesize
99KB

MD5
6ba11030d7b14290420771092eb21382

SHA1
18043cfdac5dd57089348b6f1796da1edacffb27

SHA256
053bb9c48630230bec64408a8af6b6652c36999dba978fecd36bdca636bb05b4

SHA512
5e8377df09cad3be7d30fee37230ab66c0279fe2537026b0bc216073bb4d54b6884d7df82db94096931a0ee2a29e86bac10dfcf26282405dd5f0f5e6b232407d

Download Submit
memory/2736-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2736-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2892-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2892-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

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