gh0strat | 93af4209dfcb207fb1fbda79d2c6eeb6cea51ef181011113e5df3d480d52d57c

General

Target

06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe
Size

95KB
MD5

06098ef227c8c5bdfa3912c9975833e7
SHA1

b33296a148dc5edc660d6a58f96dd7563c68fac9
SHA256

93af4209dfcb207fb1fbda79d2c6eeb6cea51ef181011113e5df3d480d52d57c
SHA512

d8c8bef3eb933bf38ab858e8a29f74ae5889eed0fa06bfd0b8c326978aae9482495f0e3004772fc17a5a31ca1f0b71a6d0ca098f380071591c40ceced9ca34ee
SSDEEP

1536:JYFusSx9qYMhdFHS8qdydo3nTzhYxJA+CwNUtBZVY9v8prV9yEFSMXY:JKS4jHS8q/3nTzePCwNUh4E9LFSMXY

Score

10^/10

gh0strat bootkit discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/files/0x000a000000016d1b-21.dat	family_gh0strat
behavioral1/memory/2052-23-0x0000000000400000-0x000000000044E340-memory.dmp	family_gh0strat
behavioral1/memory/2064-26-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2064-28-0x0000000020000000-0x0000000020027000-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
2052	hmqrdwsxpu

Executes dropped EXE 1 IoCs

pid	Process
2052	hmqrdwsxpu

Loads dropped DLL 3 IoCs

pid	Process
1640	06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe
1640	06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe
2064	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\ikmndguuvy	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	06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hmqrdwsxpu
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	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
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
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	svchost.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2052	hmqrdwsxpu
2064	svchost.exe
2064	svchost.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeRestorePrivilege	2052	hmqrdwsxpu
Token: SeBackupPrivilege	2052	hmqrdwsxpu
Token: SeBackupPrivilege	2052	hmqrdwsxpu
Token: SeRestorePrivilege	2052	hmqrdwsxpu
Token: SeBackupPrivilege	2064	svchost.exe
Token: SeRestorePrivilege	2064	svchost.exe
Token: SeBackupPrivilege	2064	svchost.exe
Token: SeBackupPrivilege	2064	svchost.exe
Token: SeSecurityPrivilege	2064	svchost.exe
Token: SeSecurityPrivilege	2064	svchost.exe
Token: SeBackupPrivilege	2064	svchost.exe
Token: SeBackupPrivilege	2064	svchost.exe
Token: SeSecurityPrivilege	2064	svchost.exe
Token: SeBackupPrivilege	2064	svchost.exe
Token: SeBackupPrivilege	2064	svchost.exe
Token: SeSecurityPrivilege	2064	svchost.exe
Token: SeBackupPrivilege	2064	svchost.exe
Token: SeRestorePrivilege	2064	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2052	1640	06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe	28
PID 1640 wrote to memory of 2052	1640	06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe	28
PID 1640 wrote to memory of 2052	1640	06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe	28
PID 1640 wrote to memory of 2052	1640	06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- \??\c:\users\admin\appdata\local\hmqrdwsxpu
  "C:\Users\Admin\AppData\Local\Temp\06098ef227c8c5bdfa3912c9975833e7_JaffaCakes118.exe" a -sc:\users\admin\appdata\local\temp\06098ef227c8c5bdfa3912c9975833e7_jaffacakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2052

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:2064

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:\programdata\application data\storm\update\%sessionname%\ftjpk.cc3

Filesize
20.1MB

MD5
3248a5574797097716eb21fd00f613f2

SHA1
b725f635dccd76305e700747b462984d7590e14d

SHA256
c98bc7ab9f107f8dfe38e8fb17fc216826cfc355fb496afe30849b9bda9a33b0

SHA512
cb773372cd20108f86e75b7522920051582a13e988fecca739ee1726c8a62a159a24471d26ed9758d1e749f20177254f02a162f19c7aec1a7aa53c8bfc9b809b

Download Submit
\Users\Admin\AppData\Local\hmqrdwsxpu

Filesize
24.5MB

MD5
5ac00b90d9e8494210875a251fc96888

SHA1
178ec39d2223eb664f1ec2ee68c4e9f5207165db

SHA256
d58ec9aac63930ecd0035f6ff0886f9346ce82052b9f9b2c268e52ef263aac49

SHA512
82bed2d05ebde0ba35b756cb298e925fbf60f7c1150c5adc4f8f8528bdaa44d5f154c34cda978bf79159e4f2bca05b901ab25d629f4bd1bfb70b59810128b619

Download Submit
memory/1640-11-0x0000000000230000-0x000000000027F000-memory.dmp

Filesize
316KB

Download
memory/1640-14-0x0000000000400000-0x000000000044E340-memory.dmp

Filesize
312KB

Download
memory/1640-13-0x0000000000230000-0x000000000027F000-memory.dmp

Filesize
316KB

Download
memory/1640-1-0x0000000000400000-0x000000000044E340-memory.dmp

Filesize
312KB

Download
memory/1640-2-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2052-16-0x0000000000400000-0x000000000044E340-memory.dmp

Filesize
312KB

Download
memory/2052-18-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2052-23-0x0000000000400000-0x000000000044E340-memory.dmp

Filesize
312KB

Download
memory/2064-24-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2064-26-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2064-28-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads