gh0strat | 9a5450e1baba6555a610a63581db6b90d767eb894c3fb70d183bd4c90a987a86

General

Target

eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe
Size

96KB
MD5

eb9e74f678a94aba17d162e5a17032a9
SHA1

ad70db34db4581d143cd8e95abfec2d97f08dcc0
SHA256

9a5450e1baba6555a610a63581db6b90d767eb894c3fb70d183bd4c90a987a86
SHA512

c10d948270183eb9b3968aca98fbf8dc3bfe709c57ba4906831c275a009d5f150f80d44abff7513b8320d4f13987afe76e041484648b854b70dea0e239f9862e
SSDEEP

1536:YXFusSx9qYMhdFHS8qdydo3nTzhYxJA+CwNUtBZVY9v8prsrXK146nhI:YhS4jHS8q/3nTzePCwNUh4E9sT6nhI

Score

10^/10

gh0strat bootkit discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016e1d-20.dat	family_gh0strat
behavioral1/memory/2656-22-0x0000000000400000-0x000000000044E2BC-memory.dmp	family_gh0strat
behavioral1/memory/2848-26-0x0000000020000000-0x0000000020027000-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

Deletes itself 1 IoCs

pid	Process
2656	hncrnfktpv

Executes dropped EXE 1 IoCs

pid	Process
2656	hncrnfktpv

Loads dropped DLL 3 IoCs

pid	Process
2364	eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe
2364	eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe
2848	svchost.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\pafamtndvp	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	hncrnfktpv
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2656	hncrnfktpv
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeRestorePrivilege	2656	hncrnfktpv
Token: SeBackupPrivilege	2656	hncrnfktpv
Token: SeBackupPrivilege	2656	hncrnfktpv
Token: SeRestorePrivilege	2656	hncrnfktpv
Token: SeBackupPrivilege	2848	svchost.exe
Token: SeBackupPrivilege	2848	svchost.exe
Token: SeSecurityPrivilege	2848	svchost.exe
Token: SeRestorePrivilege	2848	svchost.exe
Token: SeSecurityPrivilege	2848	svchost.exe
Token: SeBackupPrivilege	2848	svchost.exe
Token: SeBackupPrivilege	2848	svchost.exe
Token: SeSecurityPrivilege	2848	svchost.exe
Token: SeBackupPrivilege	2848	svchost.exe
Token: SeBackupPrivilege	2848	svchost.exe
Token: SeSecurityPrivilege	2848	svchost.exe
Token: SeBackupPrivilege	2848	svchost.exe
Token: SeRestorePrivilege	2848	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2656	2364	eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe	30
PID 2364 wrote to memory of 2656	2364	eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe	30
PID 2364 wrote to memory of 2656	2364	eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe	30
PID 2364 wrote to memory of 2656	2364	eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- \??\c:\users\admin\appdata\local\hncrnfktpv
  "C:\Users\Admin\AppData\Local\Temp\eb9e74f678a94aba17d162e5a17032a9_JaffaCakes118.exe" a -sc:\users\admin\appdata\local\temp\eb9e74f678a94aba17d162e5a17032a9_jaffacakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2656

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\hncrnfktpv

Filesize
23.4MB

MD5
f07e901d5e8ae2b6dd92b6adbd413d7d

SHA1
40d72afd61eda5591e6e1ecd25614f5884594302

SHA256
ff2bf2422bd77853bed1f9c85c0f5f132aeb38c13ea8bbd40a1a6e5c12b1bb03

SHA512
bdc23b69c554953b03b08a0cb3d5afd3d82af37769551147035b6335b25b2d54d6e870383a60267a7cfb1df518fcde6f684d97ba68740f7ba29da0a625921ad9

Download Submit
\??\c:\programdata\application data\storm\update\%sessionname%\lumob.cc3

Filesize
24.1MB

MD5
75421fcbda4e1bcdeec908139d523b8b

SHA1
b14165cf2ac9d37abcc1d19b87a2cd56561e4418

SHA256
9cce4136041b64cf058352438801204756b5239f9821cf38a590cb563b41c560

SHA512
d4e9e3c26d90b116ac308e6fd0c9a5ee225cb5245bf84f53b63ceccf93b011d6956381deca94b1f24b575dada35eeed0e1a67f42a29544b634d01ae13f1716df

Download Submit
memory/2364-13-0x00000000002F0000-0x000000000033F000-memory.dmp

Filesize
316KB

Download
memory/2364-12-0x0000000000400000-0x000000000044E2BC-memory.dmp

Filesize
312KB

Download
memory/2364-2-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2364-1-0x0000000000400000-0x000000000044E2BC-memory.dmp

Filesize
312KB

Download
memory/2364-25-0x00000000002F0000-0x000000000033F000-memory.dmp

Filesize
316KB

Download
memory/2656-17-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2656-15-0x0000000000400000-0x000000000044E2BC-memory.dmp

Filesize
312KB

Download
memory/2656-22-0x0000000000400000-0x000000000044E2BC-memory.dmp

Filesize
312KB

Download
memory/2848-23-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/2848-26-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads