gh0strat | fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102

General

Target

fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe
Size

208KB
MD5

b7e3dda566615dd67251cf03bd881837
SHA1

d25f0361c8445db334540ccc0886700d1b0fefcc
SHA256

fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102
SHA512

93dfbe3db90b65f8ce4ab2318678fec196102f72daaa7fa56887f6959ad50fff160c3da80b055ea6123b2091b3009148a870859568a37e54a8406e0edfb45826
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTF: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
4400	ibdxxumkm.exe

Executes dropped EXE 2 IoCs

pid	Process
4400	ibdxxumkm.exe
1720	asxvhkpfp.exe

Loads dropped DLL 1 IoCs

pid	Process
1720	asxvhkpfp.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-1-5-21-2278412438-3475196406-3686434223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\nhano\\asxvhkpfp.exe \"c:\\Program Files\\nhano\\asxvhkpfp.dll\",Compliance"	asxvhkpfp.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:	asxvhkpfp.exe
File opened (read-only)	\??\k:	asxvhkpfp.exe
File opened (read-only)	\??\m:	asxvhkpfp.exe
File opened (read-only)	\??\o:	asxvhkpfp.exe
File opened (read-only)	\??\p:	asxvhkpfp.exe
File opened (read-only)	\??\s:	asxvhkpfp.exe
File opened (read-only)	\??\t:	asxvhkpfp.exe
File opened (read-only)	\??\w:	asxvhkpfp.exe
File opened (read-only)	\??\g:	asxvhkpfp.exe
File opened (read-only)	\??\n:	asxvhkpfp.exe
File opened (read-only)	\??\r:	asxvhkpfp.exe
File opened (read-only)	\??\x:	asxvhkpfp.exe
File opened (read-only)	\??\b:	asxvhkpfp.exe
File opened (read-only)	\??\h:	asxvhkpfp.exe
File opened (read-only)	\??\i:	asxvhkpfp.exe
File opened (read-only)	\??\l:	asxvhkpfp.exe
File opened (read-only)	\??\u:	asxvhkpfp.exe
File opened (read-only)	\??\v:	asxvhkpfp.exe
File opened (read-only)	\??\e:	asxvhkpfp.exe
File opened (read-only)	\??\j:	asxvhkpfp.exe
File opened (read-only)	\??\q:	asxvhkpfp.exe
File opened (read-only)	\??\y:	asxvhkpfp.exe
File opened (read-only)	\??\z:	asxvhkpfp.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	asxvhkpfp.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\nhano\asxvhkpfp.dll	ibdxxumkm.exe
File created	\??\c:\Program Files\nhano\asxvhkpfp.exe	ibdxxumkm.exe
File opened for modification	\??\c:\Program Files\nhano\asxvhkpfp.exe	ibdxxumkm.exe
File opened for modification	\??\c:\Program Files\nhano	ibdxxumkm.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	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.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	ibdxxumkm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asxvhkpfp.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
3612	cmd.exe
4668	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	asxvhkpfp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	asxvhkpfp.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4668	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1720	asxvhkpfp.exe
1720	asxvhkpfp.exe
1720	asxvhkpfp.exe
1720	asxvhkpfp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	asxvhkpfp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3592	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe
4400	ibdxxumkm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 3612	3592	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe	87
PID 3592 wrote to memory of 3612	3592	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe	87
PID 3592 wrote to memory of 3612	3592	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe	87
PID 3612 wrote to memory of 4668	3612	cmd.exe	89
PID 3612 wrote to memory of 4668	3612	cmd.exe	89
PID 3612 wrote to memory of 4668	3612	cmd.exe	89
PID 3612 wrote to memory of 4400	3612	cmd.exe	92
PID 3612 wrote to memory of 4400	3612	cmd.exe	92
PID 3612 wrote to memory of 4400	3612	cmd.exe	92
PID 4400 wrote to memory of 1720	4400	ibdxxumkm.exe	93
PID 4400 wrote to memory of 1720	4400	ibdxxumkm.exe	93
PID 4400 wrote to memory of 1720	4400	ibdxxumkm.exe	93

C:\Users\Admin\AppData\Local\Temp\fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe
"C:\Users\Admin\AppData\Local\Temp\fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ibdxxumkm.exe "C:\Users\Admin\AppData\Local\Temp\fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3612
- - 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:4668
- - C:\Users\Admin\AppData\Local\Temp\ibdxxumkm.exe
    C:\Users\Admin\AppData\Local\Temp\\ibdxxumkm.exe "C:\Users\Admin\AppData\Local\Temp\fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.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:4400
  - - \??\c:\Program Files\nhano\asxvhkpfp.exe
      "c:\Program Files\nhano\asxvhkpfp.exe" "c:\Program Files\nhano\asxvhkpfp.dll",Compliance C:\Users\Admin\AppData\Local\Temp\ibdxxumkm.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:1720

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\nhano\asxvhkpfp.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
208KB

MD5
4afa273c610f30614d427daa578e7ba1

SHA1
b8da6d44698b711aa2fdfdac7c94ab787e9207bb

SHA256
291f1ca4974544ba8c7309569401e6cc4c4a439b000e1715a910127b4803e2b3

SHA512
cc48c64220d8086fe2d4f95be29deab1e6cb1fae1803e0c2cf3fe4d7596f0b024ae3a836eabed2f93bc8d99626d8cd4301274aa74c2fe21403acba0f891e8607

Download Submit
\??\c:\Program Files\nhano\asxvhkpfp.dll

Filesize
141KB

MD5
99e424a4ea77cdedb4b170a20d6e2094

SHA1
26d0ab6f8d96c889c8197b5ab4a7cc33617a4ae6

SHA256
a5f7e72fb14f185ca26cc26931b09b886246f6ffabd4eed45f1c92347fd32702

SHA512
f820e54cb567973a4b68a5a5b041d6eb7a524ab347efb40eab0aee55488662fb5c1d3974dce6f42c0fe36563defcf27660ac17c95fd74e47abe8de6cec0e06b6

Download Submit
memory/1720-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1720-21-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1720-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/3592-5-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3592-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3592-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3592-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4400-16-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4400-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4400-10-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads