gh0strat | 1cf8ed7e395da8d9976019ae6d8eadc52a797b2d32b56ec37381e84812d8372b

General

Target

6238248193d517c391f12e1ba250649d_JaffaCakes118.exe
Size

95KB
MD5

6238248193d517c391f12e1ba250649d
SHA1

fd6ab02c7b33e14f447a0d682a247c44f453aa37
SHA256

1cf8ed7e395da8d9976019ae6d8eadc52a797b2d32b56ec37381e84812d8372b
SHA512

58b078f3b23bc754df6a20294712db7875d12659446913d391a068bcf831bfae8227189bf0c20fa93e5e01475262239505458fe8363bb8a547ac9c6b9b950d79
SSDEEP

1536:SYFusSx9qYMhdFHS8qdydo3nTzhYxJA+CwNUtBZVY9v8prFm2d11o:SKS4jHS8q/3nTzePCwNUh4E9Fm2d11o

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/files/0x00070000000194d4-19.dat	family_gh0strat
behavioral1/memory/2388-22-0x0000000000400000-0x000000000044E478-memory.dmp	family_gh0strat
behavioral1/memory/2716-25-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2716-27-0x0000000020000000-0x0000000020027000-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
2388	fljjmsunyl

Executes dropped EXE 1 IoCs

pid	Process
2388	fljjmsunyl

Loads dropped DLL 3 IoCs

pid	Process
900	6238248193d517c391f12e1ba250649d_JaffaCakes118.exe
900	6238248193d517c391f12e1ba250649d_JaffaCakes118.exe
2716	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\porbnbubmc	svchost.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
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
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	svchost.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2388	fljjmsunyl
2716	svchost.exe
2716	svchost.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeRestorePrivilege	2388	fljjmsunyl
Token: SeBackupPrivilege	2388	fljjmsunyl
Token: SeBackupPrivilege	2388	fljjmsunyl
Token: SeRestorePrivilege	2388	fljjmsunyl
Token: SeBackupPrivilege	2716	svchost.exe
Token: SeRestorePrivilege	2716	svchost.exe
Token: SeBackupPrivilege	2716	svchost.exe
Token: SeBackupPrivilege	2716	svchost.exe
Token: SeSecurityPrivilege	2716	svchost.exe
Token: SeSecurityPrivilege	2716	svchost.exe
Token: SeBackupPrivilege	2716	svchost.exe
Token: SeBackupPrivilege	2716	svchost.exe
Token: SeSecurityPrivilege	2716	svchost.exe
Token: SeBackupPrivilege	2716	svchost.exe
Token: SeBackupPrivilege	2716	svchost.exe
Token: SeSecurityPrivilege	2716	svchost.exe
Token: SeBackupPrivilege	2716	svchost.exe
Token: SeRestorePrivilege	2716	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 2388	900	6238248193d517c391f12e1ba250649d_JaffaCakes118.exe	30
PID 900 wrote to memory of 2388	900	6238248193d517c391f12e1ba250649d_JaffaCakes118.exe	30
PID 900 wrote to memory of 2388	900	6238248193d517c391f12e1ba250649d_JaffaCakes118.exe	30
PID 900 wrote to memory of 2388	900	6238248193d517c391f12e1ba250649d_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\6238248193d517c391f12e1ba250649d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6238248193d517c391f12e1ba250649d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:900
- \??\c:\users\admin\appdata\local\fljjmsunyl
  "C:\Users\Admin\AppData\Local\Temp\6238248193d517c391f12e1ba250649d_JaffaCakes118.exe" a -sc:\users\admin\appdata\local\temp\6238248193d517c391f12e1ba250649d_jaffacakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2388

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
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\??\c:\programdata\application data\storm\update\%sessionname%\kqgxm.cc3

Filesize
24.0MB

MD5
4c942b2010c6c19150e805e4791c7d6e

SHA1
8577f08d3c31361de326162818e637444ea9fa4e

SHA256
c95af03b115c6d2811057277b90bc02ea13a03cc6c83a074fcb5d67c9dd944d2

SHA512
3aa89e92ae9fe36e4423e3d0c17023fdf4b9db905dcfe4bc46e90728edded23bf26cb2ded38b4949b0627b54aa08ca36c396f4ea86248986bd39ac8ae9f54279

Download Submit
\Users\Admin\AppData\Local\fljjmsunyl

Filesize
24.1MB

MD5
f14965bf5a1bf12bc2a89e4f7b4d2d45

SHA1
ec35ac16efb9e2e74f6ab1a137f84b33251538bd

SHA256
7f47a6f3b0be93ca9d33fafb4df78c6e99ab65e34fc3fcae2faae0c2f398ad6a

SHA512
caba57b52164c6aea9c3f1d878279993ad44174b38c94ab7dd8335038a16276617c4e9857c22510e81f5186b36e780ab845a9c4d4b25c33c0f9bf1bc9d76a929

Download Submit
memory/900-2-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/900-1-0x0000000000400000-0x000000000044E478-memory.dmp

Filesize
313KB

Download
memory/900-6-0x00000000002D0000-0x000000000031F000-memory.dmp

Filesize
316KB

Download
memory/900-12-0x0000000000400000-0x000000000044E478-memory.dmp

Filesize
313KB

Download
memory/900-14-0x00000000002D0000-0x000000000031F000-memory.dmp

Filesize
316KB

Download
memory/2388-15-0x0000000000400000-0x000000000044E478-memory.dmp

Filesize
313KB

Download
memory/2388-22-0x0000000000400000-0x000000000044E478-memory.dmp

Filesize
313KB

Download
memory/2716-23-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2716-25-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2716-27-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads