gh0strat | c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f

General

Target

c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe
Size

207KB
MD5

5c1fdb0a54668171e7ac0588fe4d1252
SHA1

e12424f3028b81d0ccc2a9c4fb1bc76c712229dd
SHA256

c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f
SHA512

2483c02ce60b35f33e1d040f1702eb9328b7df51527f85e054f8007830282e1c7b8c68c95de29e0bb96182414e5dde6cb80929a49793c36d4d4834f9a40b483a
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
2944	bzcbg.exe

Executes dropped EXE 2 IoCs

pid	Process
2944	bzcbg.exe
2720	ifa.exe

Loads dropped DLL 7 IoCs

pid	Process
1184	cmd.exe
1184	cmd.exe
2944	bzcbg.exe
2720	ifa.exe
2720	ifa.exe
2720	ifa.exe
2720	ifa.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\dcjnw\\ifa.exe \"c:\\Program Files\\dcjnw\\ifaty.dll\",Compliance"	ifa.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)	\??\q:	ifa.exe
File opened (read-only)	\??\i:	ifa.exe
File opened (read-only)	\??\j:	ifa.exe
File opened (read-only)	\??\k:	ifa.exe
File opened (read-only)	\??\l:	ifa.exe
File opened (read-only)	\??\r:	ifa.exe
File opened (read-only)	\??\s:	ifa.exe
File opened (read-only)	\??\u:	ifa.exe
File opened (read-only)	\??\a:	ifa.exe
File opened (read-only)	\??\e:	ifa.exe
File opened (read-only)	\??\g:	ifa.exe
File opened (read-only)	\??\o:	ifa.exe
File opened (read-only)	\??\x:	ifa.exe
File opened (read-only)	\??\y:	ifa.exe
File opened (read-only)	\??\b:	ifa.exe
File opened (read-only)	\??\h:	ifa.exe
File opened (read-only)	\??\m:	ifa.exe
File opened (read-only)	\??\n:	ifa.exe
File opened (read-only)	\??\v:	ifa.exe
File opened (read-only)	\??\w:	ifa.exe
File opened (read-only)	\??\p:	ifa.exe
File opened (read-only)	\??\t:	ifa.exe
File opened (read-only)	\??\z:	ifa.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	ifa.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\dcjnw\ifa.exe	bzcbg.exe
File opened for modification	\??\c:\Program Files\dcjnw\ifa.exe	bzcbg.exe
File opened for modification	\??\c:\Program Files\dcjnw	bzcbg.exe
File created	\??\c:\Program Files\dcjnw\ifaty.dll	bzcbg.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	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.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	bzcbg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ifa.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
1184	cmd.exe
2468	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	ifa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ifa.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2468	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2720	ifa.exe
2720	ifa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	ifa.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2388	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe
2944	bzcbg.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1184	2388	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe	29
PID 2388 wrote to memory of 1184	2388	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe	29
PID 2388 wrote to memory of 1184	2388	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe	29
PID 2388 wrote to memory of 1184	2388	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe	29
PID 1184 wrote to memory of 2468	1184	cmd.exe	31
PID 1184 wrote to memory of 2468	1184	cmd.exe	31
PID 1184 wrote to memory of 2468	1184	cmd.exe	31
PID 1184 wrote to memory of 2468	1184	cmd.exe	31
PID 1184 wrote to memory of 2944	1184	cmd.exe	32
PID 1184 wrote to memory of 2944	1184	cmd.exe	32
PID 1184 wrote to memory of 2944	1184	cmd.exe	32
PID 1184 wrote to memory of 2944	1184	cmd.exe	32
PID 2944 wrote to memory of 2720	2944	bzcbg.exe	33
PID 2944 wrote to memory of 2720	2944	bzcbg.exe	33
PID 2944 wrote to memory of 2720	2944	bzcbg.exe	33
PID 2944 wrote to memory of 2720	2944	bzcbg.exe	33

C:\Users\Admin\AppData\Local\Temp\c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe
"C:\Users\Admin\AppData\Local\Temp\c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\bzcbg.exe "C:\Users\Admin\AppData\Local\Temp\c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1184
- - 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:2468
- - C:\Users\Admin\AppData\Local\Temp\bzcbg.exe
    C:\Users\Admin\AppData\Local\Temp\\bzcbg.exe "C:\Users\Admin\AppData\Local\Temp\c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.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:2944
  - - \??\c:\Program Files\dcjnw\ifa.exe
      "c:\Program Files\dcjnw\ifa.exe" "c:\Program Files\dcjnw\ifaty.dll",Compliance C:\Users\Admin\AppData\Local\Temp\bzcbg.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:2720

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\dcjnw\ifaty.dll

Filesize
141KB

MD5
98177af3dd6028b50da0d87f064d7aeb

SHA1
aa418a62ba94b550ae61ec4edd9f382ec9fdc47e

SHA256
cc81fd2aa969192335b068d9778e0e0cdc6e28830bd8aad18edbfe68db7b9893

SHA512
bee04582a3deb85ab45c650f699b6bef1c9cf2c5ad509c3a04067f2a83ab2874574348d5658e2d72a2240ead7c0c9da84a2419d8db078770e79b4f9d0a566644

Download Submit
\Program Files\dcjnw\ifa.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
208KB

MD5
e473b9a199c00da175a25b3d7b8ade8c

SHA1
f279537f46dcb741fb4558e667c4a54f79bedc34

SHA256
cd7e9425e23d4919ca265fad239cb38da54bbb86aeccfaada8cb8123cd60a799

SHA512
92f53446fdfe69b3e20be6c16448ed9759701aaa8d393a71810de88f1a3ddce6cc364a75cb4e817c3c23c11d5b2bfaaa0e0342f104078f80a6435c1dbc61bb41

Download Submit
memory/1184-11-0x0000000000120000-0x000000000016A000-memory.dmp

Filesize
296KB

Download
memory/1184-9-0x0000000000120000-0x000000000016A000-memory.dmp

Filesize
296KB

Download
memory/2388-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2388-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2388-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2388-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2720-28-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2720-40-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2720-32-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2720-30-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2720-29-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2944-10-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2944-20-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2944-12-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2944-13-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads