gh0strat | c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1

General

Target

c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe
Size

207KB
MD5

4c9162f7f91b170993b997ed977c6cc7
SHA1

085f669fae4d0a6f4a2a02b26dc839c67278ab29
SHA256

c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1
SHA512

70697ebfc3bc60672f9d2bb86ecdaf5542921415cd03144abbf0fd2ae7921afddce8959791f925d07eac1e716b037119c7ed4471b9154ac82d29eda42dcc52e2
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
1632	iodqb.exe

Executes dropped EXE 2 IoCs

pid	Process
1632	iodqb.exe
484	yzhrrkwh.exe

Loads dropped DLL 7 IoCs

pid	Process
2348	cmd.exe
2348	cmd.exe
1632	iodqb.exe
484	yzhrrkwh.exe
484	yzhrrkwh.exe
484	yzhrrkwh.exe
484	yzhrrkwh.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\bgbqc\\yzhrrkwh.exe \"c:\\Program Files\\bgbqc\\yzhrrkwh.dll\",Compliance"	yzhrrkwh.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:	yzhrrkwh.exe
File opened (read-only)	\??\h:	yzhrrkwh.exe
File opened (read-only)	\??\y:	yzhrrkwh.exe
File opened (read-only)	\??\z:	yzhrrkwh.exe
File opened (read-only)	\??\b:	yzhrrkwh.exe
File opened (read-only)	\??\g:	yzhrrkwh.exe
File opened (read-only)	\??\l:	yzhrrkwh.exe
File opened (read-only)	\??\n:	yzhrrkwh.exe
File opened (read-only)	\??\r:	yzhrrkwh.exe
File opened (read-only)	\??\u:	yzhrrkwh.exe
File opened (read-only)	\??\v:	yzhrrkwh.exe
File opened (read-only)	\??\w:	yzhrrkwh.exe
File opened (read-only)	\??\i:	yzhrrkwh.exe
File opened (read-only)	\??\j:	yzhrrkwh.exe
File opened (read-only)	\??\k:	yzhrrkwh.exe
File opened (read-only)	\??\m:	yzhrrkwh.exe
File opened (read-only)	\??\o:	yzhrrkwh.exe
File opened (read-only)	\??\q:	yzhrrkwh.exe
File opened (read-only)	\??\s:	yzhrrkwh.exe
File opened (read-only)	\??\x:	yzhrrkwh.exe
File opened (read-only)	\??\e:	yzhrrkwh.exe
File opened (read-only)	\??\p:	yzhrrkwh.exe
File opened (read-only)	\??\t:	yzhrrkwh.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	yzhrrkwh.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\bgbqc	iodqb.exe
File created	\??\c:\Program Files\bgbqc\yzhrrkwh.dll	iodqb.exe
File created	\??\c:\Program Files\bgbqc\yzhrrkwh.exe	iodqb.exe
File opened for modification	\??\c:\Program Files\bgbqc\yzhrrkwh.exe	iodqb.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	yzhrrkwh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.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	iodqb.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
2348	cmd.exe
1672	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	yzhrrkwh.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	yzhrrkwh.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1672	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
484	yzhrrkwh.exe
484	yzhrrkwh.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	484	yzhrrkwh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2420	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe
1632	iodqb.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2348	2420	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe	30
PID 2420 wrote to memory of 2348	2420	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe	30
PID 2420 wrote to memory of 2348	2420	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe	30
PID 2420 wrote to memory of 2348	2420	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe	30
PID 2348 wrote to memory of 1672	2348	cmd.exe	32
PID 2348 wrote to memory of 1672	2348	cmd.exe	32
PID 2348 wrote to memory of 1672	2348	cmd.exe	32
PID 2348 wrote to memory of 1672	2348	cmd.exe	32
PID 2348 wrote to memory of 1632	2348	cmd.exe	33
PID 2348 wrote to memory of 1632	2348	cmd.exe	33
PID 2348 wrote to memory of 1632	2348	cmd.exe	33
PID 2348 wrote to memory of 1632	2348	cmd.exe	33
PID 1632 wrote to memory of 484	1632	iodqb.exe	34
PID 1632 wrote to memory of 484	1632	iodqb.exe	34
PID 1632 wrote to memory of 484	1632	iodqb.exe	34
PID 1632 wrote to memory of 484	1632	iodqb.exe	34

C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe
"C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\iodqb.exe "C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - 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:1672
- - C:\Users\Admin\AppData\Local\Temp\iodqb.exe
    C:\Users\Admin\AppData\Local\Temp\\iodqb.exe "C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.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:1632
  - - \??\c:\Program Files\bgbqc\yzhrrkwh.exe
      "c:\Program Files\bgbqc\yzhrrkwh.exe" "c:\Program Files\bgbqc\yzhrrkwh.dll",Compliance C:\Users\Admin\AppData\Local\Temp\iodqb.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:484

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\bgbqc\yzhrrkwh.dll

Filesize
141KB

MD5
e71740939d07c220c7e7cce88ca3a146

SHA1
e6f7ce6de561e9558f13194efad06f237f72f87b

SHA256
f928ac950086dd1ad010ef549eddbeb04f76eadd22b1482d2fdd443bd40f5c4b

SHA512
088e4ea853e9e586a9e03c3df774e2f29512ecef9ddc3a43a6198e5c1ed9d48b00ac92ce9218714c8e659cab8e458ce51a917d64bddfe631518e4a9db57ee758

Download Submit
\Program Files\bgbqc\yzhrrkwh.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\iodqb.exe

Filesize
207KB

MD5
88b5fb4f5af0a718ba27bf9913b9d383

SHA1
f9e5929c26cb33c32acc947eeb6df4389f91ca8b

SHA256
1ee54074c82a44f4c0c7af4fbca285d811aa2337fbaf9c289aebd01c8b7e7dfe

SHA512
c4acc6d59b920754907ceec858508a73bf428d9713841c083749c5323978bd1faff0933533e865ece068a09def2f8126c4d16ad129f5093dc5b8012aa9920d1d

Download Submit
memory/484-22-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/484-31-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/484-29-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/484-28-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/484-27-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1632-11-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1632-19-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1632-10-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2348-6-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2420-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2420-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2420-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2420-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads