gh0strat | 7a2178738feab1922a22036f4323d16a1d55f108275823c0fb31b28bc223cf7b

General

Target

JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe
Size

135KB
MD5

3d0ee6a117684959ffc5e4975c3c7b51
SHA1

55ae6e0255de7d79b5186dbe924b4011c7a81cb5
SHA256

7a2178738feab1922a22036f4323d16a1d55f108275823c0fb31b28bc223cf7b
SHA512

523e8f3ee2988b720c9537f28aca7421066848daaee4dc786f4771b5d5559bd6ed3bf5635631adbcdaf4e71c30f9b50c418d31a5cd4c7d2f358e26a60ee6d35d
SSDEEP

3072:SJoryQnTpCXmbdy3X1+IJtdFqFicvtvnkkTfQtBKwB:SJoyQn1C2bM3FLtHVcvtvkkTQBf

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/1888-0-0x0000000000400000-0x0000000000423000-memory.dmp	family_gh0strat
behavioral1/memory/1928-2-0x0000000000400000-0x0000000000423000-memory.dmp	family_gh0strat
behavioral1/files/0x00080000000120f9-6.dat	family_gh0strat
behavioral1/memory/1928-8-0x0000000000400000-0x0000000000423000-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_3d0ee6a117684959ffc5e4975c3c7b51.exe

Loads dropped DLL 1 IoCs

pid	Process
2472	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.exe	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.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_3d0ee6a117684959ffc5e4975c3c7b51.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	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	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\5.0\Cache\History\CachePrefix = "Visited:"	svchost.exe
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\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{12F12E27-69BD-4F65-BC14-C98A2CA59C67}\WpadDecisionTime = 1037b2e8148bdb01	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-e4-12-74-a2-02	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{12F12E27-69BD-4F65-BC14-C98A2CA59C67}\ca-e4-12-74-a2-02	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-e4-12-74-a2-02\WpadDecisionTime = 1037b2e8148bdb01	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-e4-12-74-a2-02\WpadDecision = "0"	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 = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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\{12F12E27-69BD-4F65-BC14-C98A2CA59C67}	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\Wpad\{12F12E27-69BD-4F65-BC14-C98A2CA59C67}\WpadDecisionReason = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{12F12E27-69BD-4F65-BC14-C98A2CA59C67}\WpadDecision = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{12F12E27-69BD-4F65-BC14-C98A2CA59C67}\WpadNetworkName = "Network 3"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-e4-12-74-a2-02\WpadDecisionReason = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 1928	1888	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe	30
PID 1888 wrote to memory of 1928	1888	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe	30
PID 1888 wrote to memory of 1928	1888	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe	30
PID 1888 wrote to memory of 1928	1888	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1928

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:2472

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
98KB

MD5
9b744c94d137ec9207b393750e811faa

SHA1
00f819243722e49efd89c0feb7c7990565599f0b

SHA256
45fba69793ebf8071dfd49dcbd253591b83a2dbcb8b625d673a345bd99d8e9a7

SHA512
f8d8c2e3de8f478652d8f5f38568432ef70d01fa9b50db322ee78f05222c788595528f77abe24c0924248b75f6a284d86400f2d9b04fc6b9e9fab473f3fc06e3

Download Submit
memory/1888-1-0x00000000001B0000-0x00000000001D3000-memory.dmp

Filesize
140KB

Download
memory/1888-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1928-2-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1928-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

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