gh0strat | ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978

General

Target

ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978.exe
Size

191KB
MD5

82829247dbba2e55a4301cb183735df9
SHA1

28fbfa78ded6729f6a830ec9882c683356c53339
SHA256

ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978
SHA512

2fa7a4738010bd4d155cb792cb5a6045d172f869d79f30a98559f70c2a5fb5f252619aa6432f9f858d7582735217fc5e3b42696f95132212bc843bc8b9c5cb1b
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Score

10^/10

gh0strat bootkit discovery persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

C2

107.163.241.193:6520

http://107.163.241.181:16300/

http://107.163.241.182:12354/login.php

Attributes

user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)

Signatures

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
932	xcftb.exe

Executes dropped EXE 2 IoCs

pid	Process
932	xcftb.exe
1604	yqr.exe

Loads dropped DLL 1 IoCs

pid	Process
1604	yqr.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\akgbq\\yqr.exe \"c:\\Program Files\\akgbq\\yqrqm.dll\",Compliance"	yqr.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\a:	yqr.exe
File opened (read-only)	\??\h:	yqr.exe
File opened (read-only)	\??\k:	yqr.exe
File opened (read-only)	\??\x:	yqr.exe
File opened (read-only)	\??\b:	yqr.exe
File opened (read-only)	\??\g:	yqr.exe
File opened (read-only)	\??\i:	yqr.exe
File opened (read-only)	\??\y:	yqr.exe
File opened (read-only)	\??\z:	yqr.exe
File opened (read-only)	\??\e:	yqr.exe
File opened (read-only)	\??\j:	yqr.exe
File opened (read-only)	\??\l:	yqr.exe
File opened (read-only)	\??\n:	yqr.exe
File opened (read-only)	\??\o:	yqr.exe
File opened (read-only)	\??\p:	yqr.exe
File opened (read-only)	\??\q:	yqr.exe
File opened (read-only)	\??\r:	yqr.exe
File opened (read-only)	\??\m:	yqr.exe
File opened (read-only)	\??\s:	yqr.exe
File opened (read-only)	\??\t:	yqr.exe
File opened (read-only)	\??\u:	yqr.exe
File opened (read-only)	\??\v:	yqr.exe
File opened (read-only)	\??\w:	yqr.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	yqr.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\akgbq\yqrqm.dll	xcftb.exe
File created	\??\c:\Program Files\akgbq\yqr.exe	xcftb.exe
File opened for modification	\??\c:\Program Files\akgbq\yqr.exe	xcftb.exe
File opened for modification	\??\c:\Program Files\akgbq	xcftb.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	yqr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xcftb.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2608	cmd.exe
212	PING.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	yqr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	yqr.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
212	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1604	yqr.exe
1604	yqr.exe
1604	yqr.exe
1604	yqr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	yqr.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1948	ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978.exe
932	xcftb.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2608	1948	ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978.exe	89
PID 1948 wrote to memory of 2608	1948	ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978.exe	89
PID 1948 wrote to memory of 2608	1948	ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978.exe	89
PID 2608 wrote to memory of 212	2608	cmd.exe	91
PID 2608 wrote to memory of 212	2608	cmd.exe	91
PID 2608 wrote to memory of 212	2608	cmd.exe	91
PID 2608 wrote to memory of 932	2608	cmd.exe	93
PID 2608 wrote to memory of 932	2608	cmd.exe	93
PID 2608 wrote to memory of 932	2608	cmd.exe	93
PID 932 wrote to memory of 1604	932	xcftb.exe	94
PID 932 wrote to memory of 1604	932	xcftb.exe	94
PID 932 wrote to memory of 1604	932	xcftb.exe	94

C:\Users\Admin\AppData\Local\Temp\ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978.exe
"C:\Users\Admin\AppData\Local\Temp\ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xcftb.exe "C:\Users\Admin\AppData\Local\Temp\ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:212
- - C:\Users\Admin\AppData\Local\Temp\xcftb.exe
    C:\Users\Admin\AppData\Local\Temp\\xcftb.exe "C:\Users\Admin\AppData\Local\Temp\ef79e9f000bce03fe84bdd04c5240e3963755518e1d008caae787909c5a94978.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:932
  - - \??\c:\Program Files\akgbq\yqr.exe
      "c:\Program Files\akgbq\yqr.exe" "c:\Program Files\akgbq\yqrqm.dll",Compliance C:\Users\Admin\AppData\Local\Temp\xcftb.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\akgbq\yqr.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Program Files\akgbq\yqrqm.dll

Filesize
141KB

MD5
196e1118d1578be05d373c8bc9075700

SHA1
1b0206688c114e24679c362972769317eec2a38c

SHA256
6a84d3272278353155399c1094d3934c9d763f47c1bb6711436017255d681d71

SHA512
4fd3b26bc76f255a2f31b5e5b8fddb3cc1b7ffc1b4b5251f0c3b8fe16a1d3b3abb64d5f17f26df722e791f5e851776e591dcb194a6730197eca8bb95789b06fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\xcftb.exe

Filesize
191KB

MD5
29d010a591a37f23c9985fba894be070

SHA1
f5364c5d5c60f28144767f9ebef88541600a0cdb

SHA256
dea4869eccf3c6b3547f25240c53f44a7048d14fbe01724f4f25471c03f2631a

SHA512
a17f1cf007d7365991bcb14519992f9d70faba57cbf5e1b68ad0f5e9bd779c6f0b72ff358543a75080a1728f869fdc61f4d50d426e740880fe038c39c95f0c41

Download Submit
memory/932-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/932-15-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/932-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1604-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1604-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1604-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1948-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1948-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1948-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1948-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads