gh0strat | 0c2a866840db38ad25d601078e184aa6461da2e7a5b7e7f8eb9cdb60db91361a

General

Target

JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe
Size

95KB
MD5

55ded9bd9e12ad04e15717d92365a258
SHA1

d38e33dc662677e242836df848cfa0698069584b
SHA256

0c2a866840db38ad25d601078e184aa6461da2e7a5b7e7f8eb9cdb60db91361a
SHA512

c263318f16a461875e19f1755ba1483df0afb1282989d5a6a6b2bfdbdbcdea06ec376d1b1f7255de04d800f5f1e547faa060f353cf5faa1509ee3602216443eb
SSDEEP

1536:cJFusSx9qYMhdFHS8qdydo3nTzhYxJA+CwNUtBZVY9v8prSynvajHhWx:cfS4jHS8q/3nTzePCwNUh4E9SyCjHhWx

Score

10^/10

gh0strat bootkit discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016d47-20.dat	family_gh0strat
behavioral1/memory/2012-22-0x0000000000400000-0x000000000044E35C-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
2012	eivuqrpcds

Executes dropped EXE 1 IoCs

pid	Process
2012	eivuqrpcds

Loads dropped DLL 3 IoCs

pid	Process
944	JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe
944	JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe
2180	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 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\defruoenhh	svchost.exe
File created	C:\Windows\SysWOW64\dmsldrhluc	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe
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
2012	eivuqrpcds
2180	svchost.exe
2180	svchost.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeRestorePrivilege	2012	eivuqrpcds
Token: SeBackupPrivilege	2012	eivuqrpcds
Token: SeBackupPrivilege	2012	eivuqrpcds
Token: SeRestorePrivilege	2012	eivuqrpcds
Token: SeBackupPrivilege	2180	svchost.exe
Token: SeRestorePrivilege	2180	svchost.exe
Token: SeBackupPrivilege	2180	svchost.exe
Token: SeBackupPrivilege	2180	svchost.exe
Token: SeSecurityPrivilege	2180	svchost.exe
Token: SeSecurityPrivilege	2180	svchost.exe
Token: SeBackupPrivilege	2180	svchost.exe
Token: SeBackupPrivilege	2180	svchost.exe
Token: SeSecurityPrivilege	2180	svchost.exe
Token: SeBackupPrivilege	2180	svchost.exe
Token: SeBackupPrivilege	2180	svchost.exe
Token: SeSecurityPrivilege	2180	svchost.exe
Token: SeBackupPrivilege	2180	svchost.exe
Token: SeRestorePrivilege	2180	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 2012	944	JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe	31
PID 944 wrote to memory of 2012	944	JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe	31
PID 944 wrote to memory of 2012	944	JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe	31
PID 944 wrote to memory of 2012	944	JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:944
- \??\c:\users\admin\appdata\local\eivuqrpcds
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55ded9bd9e12ad04e15717d92365a258.exe" a -sc:\users\admin\appdata\local\temp\jaffacakes118_55ded9bd9e12ad04e15717d92365a258.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2012

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:2180

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%\ndqte.cc3

Filesize
24.1MB

MD5
d93ba3d8b70a34e0d2f1a3d43c0fd4cc

SHA1
ecef65ad81820f070b7e660b2598ff319ab521bd

SHA256
3924e55bd737df21b3cd5cf0cdb56962bb29db9979eff0d30328131a1dbb6874

SHA512
d7b023089319f589dfa54b7d056ee7ecf717331f517c88b3d939e78a9835f822a76a3f5a4918b3b57e98bb39fa6c8e63dbe584d75d873a4e63cb0cd2ca285024

Download Submit
\Users\Admin\AppData\Local\eivuqrpcds

Filesize
19.1MB

MD5
071c916a136b59e4e2769298b31e2067

SHA1
acb528c18b60b3d4faea113c12668ab2319f9509

SHA256
f57fd82a977014ede33af712e1a8c54fa19077dbbbc22cffdeacc2b6fb891746

SHA512
5d3ee750ec601959c61cd0df94ffeef3cf8672a9a320ec6dd797c868d48617f01d5aa92098f00264debbe1dab4b2d3a105b163fe437aca182c2a5b3aa2b669f3

Download Submit
memory/944-0-0x0000000000400000-0x000000000044E35C-memory.dmp

Filesize
312KB

Download
memory/944-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/944-2-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/944-6-0x00000000002C0000-0x000000000030F000-memory.dmp

Filesize
316KB

Download
memory/944-13-0x0000000000400000-0x000000000044E35C-memory.dmp

Filesize
312KB

Download
memory/2012-17-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2012-16-0x0000000000400000-0x000000000044E35C-memory.dmp

Filesize
312KB

Download
memory/2012-22-0x0000000000400000-0x000000000044E35C-memory.dmp

Filesize
312KB

Download
memory/2180-23-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads