gh0strat | 68b8661f39b14d584b058fdf04646746f44eb42816528c6bf93d2be803832954

General

Target

b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
Size

132KB
MD5

b3987ba3b6bb804c956fa29b7c751d6d
SHA1

4f52c7ce839a6c244ea7000416c6d28e0c9ccc40
SHA256

68b8661f39b14d584b058fdf04646746f44eb42816528c6bf93d2be803832954
SHA512

8befe1730bad65e8abd98d0894ef9538272379cd11a4bbd81ccf6a0f9e42115d6ead39beed198c010fba5a2f519ffcb3110b5a093bf0a6e7b3d6472234adbb1e
SSDEEP

3072:Nb0yQ09BnOJhXOQ7bQ0QZ249o+TZDtFrme/AbBK9D:x0yQEBOJheQPjh46eptFKe/6B2

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/3008-0-0x0000000000400000-0x0000000000423000-memory.dmp	family_gh0strat
behavioral1/memory/3060-1-0x0000000000400000-0x0000000000423000-memory.dmp	family_gh0strat
behavioral1/files/0x000d0000000141f5-5.dat	family_gh0strat
behavioral1/memory/3060-6-0x0000000000400000-0x0000000000423000-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

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"	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
840	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.exe	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.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	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
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
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-cf-84-f1-b8-c9\WpadDecisionReason = "1"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDD0E6C5-5088-4F0E-A879-158EA1B58B9D}\WpadDecisionReason = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDD0E6C5-5088-4F0E-A879-158EA1B58B9D}\WpadNetworkName = "Network 3"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-cf-84-f1-b8-c9	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-cf-84-f1-b8-c9\WpadDecisionTime = f0afa31fccf3da01	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-cf-84-f1-b8-c9\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\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDD0E6C5-5088-4F0E-A879-158EA1B58B9D}\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDD0E6C5-5088-4F0E-A879-158EA1B58B9D}	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDD0E6C5-5088-4F0E-A879-158EA1B58B9D}\WpadDecisionTime = f0afa31fccf3da01	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDD0E6C5-5088-4F0E-A879-158EA1B58B9D}\a2-cf-84-f1-b8-c9	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 3060	3008	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe	29
PID 3008 wrote to memory of 3060	3008	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe	29
PID 3008 wrote to memory of 3060	3008	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe	29
PID 3008 wrote to memory of 3060	3008	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:3060

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:840

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
100KB

MD5
63ba2c721b79b878bcb61a71394978ac

SHA1
dc6230ef9df8d54251e7d72fffdab3516c57d6fd

SHA256
8b002908e4f889e5a0868cf9e5891e8b5c9cb18fd288822093ddef7cb5580acb

SHA512
3e79f992057faf31aed241ceb701e5bba370666619da07767c76cccad5917c6986ff64771d4386b7a97efe735f17f70e62ab706b7cad26ca46be048a64ce808e

Download Submit
memory/3008-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3060-1-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3060-6-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

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