gh0strat | 0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a

General

Target

0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe
Size

208KB
MD5

67d7958d9f4a41bb66706a223f7d6123
SHA1

878fad949fdeb8f262f6ee5b60153826d1503b4c
SHA256

0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a
SHA512

92dab8615946462561d0421083579d3a9c315536bb86718991d052bd2c7086952bb69687d0970fbaa8a019ccb3826e91e61cb23188bc0ecbcf05c571c0a3fb73
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTFo:X2vnSwjaOcADw9cUeCOfo

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
2552	xpcyy.exe

Executes dropped EXE 2 IoCs

pid	Process
2552	xpcyy.exe
2440	sld.exe

Loads dropped DLL 7 IoCs

pid	Process
2764	cmd.exe
2764	cmd.exe
2552	xpcyy.exe
2440	sld.exe
2440	sld.exe
2440	sld.exe
2440	sld.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\frbkv\\sld.exe \"c:\\Program Files\\frbkv\\sldon.dll\",Compliance"	sld.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)	\??\w:	sld.exe
File opened (read-only)	\??\x:	sld.exe
File opened (read-only)	\??\b:	sld.exe
File opened (read-only)	\??\o:	sld.exe
File opened (read-only)	\??\t:	sld.exe
File opened (read-only)	\??\y:	sld.exe
File opened (read-only)	\??\q:	sld.exe
File opened (read-only)	\??\g:	sld.exe
File opened (read-only)	\??\j:	sld.exe
File opened (read-only)	\??\k:	sld.exe
File opened (read-only)	\??\l:	sld.exe
File opened (read-only)	\??\s:	sld.exe
File opened (read-only)	\??\u:	sld.exe
File opened (read-only)	\??\a:	sld.exe
File opened (read-only)	\??\h:	sld.exe
File opened (read-only)	\??\m:	sld.exe
File opened (read-only)	\??\z:	sld.exe
File opened (read-only)	\??\e:	sld.exe
File opened (read-only)	\??\i:	sld.exe
File opened (read-only)	\??\n:	sld.exe
File opened (read-only)	\??\p:	sld.exe
File opened (read-only)	\??\r:	sld.exe
File opened (read-only)	\??\v:	sld.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	sld.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\frbkv\sldon.dll	xpcyy.exe
File created	\??\c:\Program Files\frbkv\sld.exe	xpcyy.exe
File opened for modification	\??\c:\Program Files\frbkv\sld.exe	xpcyy.exe
File opened for modification	\??\c:\Program Files\frbkv	xpcyy.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xpcyy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sld.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2764	cmd.exe
2400	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	sld.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	sld.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2400	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2440	sld.exe
2440	sld.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	sld.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2628	0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe
2552	xpcyy.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2764	2628	0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe	30
PID 2628 wrote to memory of 2764	2628	0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe	30
PID 2628 wrote to memory of 2764	2628	0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe	30
PID 2628 wrote to memory of 2764	2628	0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe	30
PID 2764 wrote to memory of 2400	2764	cmd.exe	32
PID 2764 wrote to memory of 2400	2764	cmd.exe	32
PID 2764 wrote to memory of 2400	2764	cmd.exe	32
PID 2764 wrote to memory of 2400	2764	cmd.exe	32
PID 2764 wrote to memory of 2552	2764	cmd.exe	33
PID 2764 wrote to memory of 2552	2764	cmd.exe	33
PID 2764 wrote to memory of 2552	2764	cmd.exe	33
PID 2764 wrote to memory of 2552	2764	cmd.exe	33
PID 2552 wrote to memory of 2440	2552	xpcyy.exe	34
PID 2552 wrote to memory of 2440	2552	xpcyy.exe	34
PID 2552 wrote to memory of 2440	2552	xpcyy.exe	34
PID 2552 wrote to memory of 2440	2552	xpcyy.exe	34

C:\Users\Admin\AppData\Local\Temp\0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe
"C:\Users\Admin\AppData\Local\Temp\0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xpcyy.exe "C:\Users\Admin\AppData\Local\Temp\0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - 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:2400
- - C:\Users\Admin\AppData\Local\Temp\xpcyy.exe
    C:\Users\Admin\AppData\Local\Temp\\xpcyy.exe "C:\Users\Admin\AppData\Local\Temp\0f8f8a4b34e4cd5f214c38bd405ce1da78c0b21f1b90dcfb232a8a16ab6b6e0a.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2552
  - - \??\c:\Program Files\frbkv\sld.exe
      "c:\Program Files\frbkv\sld.exe" "c:\Program Files\frbkv\sldon.dll",Compliance C:\Users\Admin\AppData\Local\Temp\xpcyy.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:2440

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:\Users\Admin\AppData\Local\Temp\xpcyy.exe

Filesize
208KB

MD5
c85b0f6b99ae2a347e5ec63a0c11e16b

SHA1
e65ed468d25d45a1d18b6e7eb8e7558bf093eb79

SHA256
3b181f2e201bc7445ca019357ac88b711332f82fae1326a3bf78e3233c2754fa

SHA512
666f82e3eeaf5ec6b826c22c49d689572da1da36f3f8006e031a4dc58ab67fc638bd6d830e3e71fdc5bba1c6f7a39c773f3b9c1efd357f7b4c0792b68792db00

Download Submit
\??\c:\Program Files\frbkv\sldon.dll

Filesize
141KB

MD5
58e3442bc7858c08ff3f7611d1b79286

SHA1
86404c6ca05803be77f3ede98d50cbf917e173db

SHA256
add33441454a1177ae40e2feeb65a369336821a59711a33844bed039f49f5ee4

SHA512
f92a3363b290db9e223021a9fdd767bf8e40d8cfe529aedd0bcc4f881977457742164a8c61d1a0d81dc6b67b5728864ef6391cf3e354ef3c82cdcc38188e61b3

Download Submit
\Program Files\frbkv\sld.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2440-29-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2440-28-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2440-34-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2440-31-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2440-30-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2440-27-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2552-12-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2552-19-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2552-11-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2552-10-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2628-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2628-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2628-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2628-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2764-7-0x0000000000160000-0x00000000001AA000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads