gh0strat | 0266c61236b0ada15d7b2141555398ebe14c70b2b836bed49e624bbcd7004531

General

Target

JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.exe
Size

91KB
MD5

390de04570dc1151bb6e94b73fffe9b0
SHA1

381829d8086eee00349f885ebd6953ffb5f296d1
SHA256

0266c61236b0ada15d7b2141555398ebe14c70b2b836bed49e624bbcd7004531
SHA512

d0d9297a084e2113a92f812167f2c684c076baeb186e97ece5c6627a21ca67c1744f6f464cb4478201dbd8d2f31b3dc6be052713d58ababf529ffbc15be642ed
SSDEEP

1536:Qxe2q7nxZ785AIdeTRh0XhDq74rGNQF+U5xMPPc0c8HFpHuvSj38BN+x6SAS:Qxeh7ZIdeTRhH7mF+U5xMPE0c8HFln7/

Score

10^/10

gh0strat bootkit discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/1272-2-0x0000000000400000-0x0000000000465000-memory.dmp	family_gh0strat
behavioral1/memory/1272-11-0x0000000000400000-0x0000000000465000-memory.dmp	family_gh0strat
behavioral1/memory/2600-14-0x0000000000400000-0x0000000000465000-memory.dmp	family_gh0strat
behavioral1/files/0x0009000000015d59-18.dat	family_gh0strat
behavioral1/memory/2600-20-0x0000000000400000-0x0000000000465000-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

Deletes itself 1 IoCs

pid	Process
2600	hncrnfktpv

Executes dropped EXE 1 IoCs

pid	Process
2600	hncrnfktpv

Loads dropped DLL 3 IoCs

pid	Process
1272	JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.exe
1272	JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.exe
3020	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\chcyslpewr	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\StormII\%SESSIONNAME%\igfhr.cc3	hncrnfktpv

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	JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.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	svchost.exe
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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2600	hncrnfktpv
3020	svchost.exe
3020	svchost.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeRestorePrivilege	2600	hncrnfktpv
Token: SeBackupPrivilege	2600	hncrnfktpv
Token: SeBackupPrivilege	2600	hncrnfktpv
Token: SeRestorePrivilege	2600	hncrnfktpv
Token: SeBackupPrivilege	3020	svchost.exe
Token: SeRestorePrivilege	3020	svchost.exe
Token: SeBackupPrivilege	3020	svchost.exe
Token: SeBackupPrivilege	3020	svchost.exe
Token: SeSecurityPrivilege	3020	svchost.exe
Token: SeSecurityPrivilege	3020	svchost.exe
Token: SeBackupPrivilege	3020	svchost.exe
Token: SeBackupPrivilege	3020	svchost.exe
Token: SeSecurityPrivilege	3020	svchost.exe
Token: SeBackupPrivilege	3020	svchost.exe
Token: SeBackupPrivilege	3020	svchost.exe
Token: SeSecurityPrivilege	3020	svchost.exe
Token: SeBackupPrivilege	3020	svchost.exe
Token: SeRestorePrivilege	3020	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 2600	1272	JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.exe	30
PID 1272 wrote to memory of 2600	1272	JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.exe	30
PID 1272 wrote to memory of 2600	1272	JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.exe	30
PID 1272 wrote to memory of 2600	1272	JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1272
- \??\c:\users\admin\appdata\local\hncrnfktpv
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_390de04570dc1151bb6e94b73fffe9b0.exe" a -sc:\users\admin\appdata\local\temp\jaffacakes118_390de04570dc1151bb6e94b73fffe9b0.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2600

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:3020

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:\program files (x86)\stormii\%sessionname%\igfhr.cc3

Filesize
24.1MB

MD5
9e04b99305b56c0330c9cca904063d97

SHA1
aaa583e76903d4dbb0dbaaa3a77bb69fe836ec4b

SHA256
ba3fae410f71fe044311f83eefd9dd8b0e5192ba6800c893ea9bad229331d649

SHA512
e35e915d12f91ed891ba5a4e7442f961a42216952d7c6a56fda71bcc43a0c80144404b5a89f44725bd3c25643df80f22f07030fca8161f3aa79434772720690f

Download Submit
\Users\Admin\AppData\Local\hncrnfktpv

Filesize
23.4MB

MD5
0321912a6fb49f93b6a99e1a8f2e7296

SHA1
97c2124af623e5135cfbad304d9422b02c2544cf

SHA256
9e650b60851f7551678fd1bdeee1708150daded9b9bcade85b7fa5f4727fd343

SHA512
ce3687796ecaa5d5d6db3680187991008d4b8b6144e822922634a5e9b37bfe50d89ecc80be560b605e384d5652ca1f1495d1e1e172710dda91c178d625f9d014

Download Submit
memory/1272-2-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1272-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1272-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1272-11-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2600-13-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2600-15-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2600-14-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2600-20-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/3020-21-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads