gh0strat | 699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54

General

Target

699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe
Size

207KB
MD5

3181b42d5f7f125bbb51d06f58dd0fe5
SHA1

828da6789f7b7998afd87069ad7d75ad67ddaf07
SHA256

699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54
SHA512

2ce042fe30a9e9e918ff3384700f60e86c1abdb82635b859ace86fadc68b923dfb3905959382b5eff114960bd07498741b724672978e01dfa27e8a890f371788
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
2396	vdffqaks.exe

Executes dropped EXE 2 IoCs

pid	Process
2396	vdffqaks.exe
2704	yflnnd.exe

Loads dropped DLL 7 IoCs

pid	Process
2576	cmd.exe
2576	cmd.exe
2396	vdffqaks.exe
2704	yflnnd.exe
2704	yflnnd.exe
2704	yflnnd.exe
2704	yflnnd.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\\awxnvdgf\\yflnnd.exe \"c:\\Program Files\\awxnvdgf\\yflnnd.dll\",Compliance"	yflnnd.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:	yflnnd.exe
File opened (read-only)	\??\b:	yflnnd.exe
File opened (read-only)	\??\e:	yflnnd.exe
File opened (read-only)	\??\h:	yflnnd.exe
File opened (read-only)	\??\i:	yflnnd.exe
File opened (read-only)	\??\n:	yflnnd.exe
File opened (read-only)	\??\s:	yflnnd.exe
File opened (read-only)	\??\y:	yflnnd.exe
File opened (read-only)	\??\z:	yflnnd.exe
File opened (read-only)	\??\g:	yflnnd.exe
File opened (read-only)	\??\k:	yflnnd.exe
File opened (read-only)	\??\p:	yflnnd.exe
File opened (read-only)	\??\v:	yflnnd.exe
File opened (read-only)	\??\j:	yflnnd.exe
File opened (read-only)	\??\m:	yflnnd.exe
File opened (read-only)	\??\o:	yflnnd.exe
File opened (read-only)	\??\t:	yflnnd.exe
File opened (read-only)	\??\x:	yflnnd.exe
File opened (read-only)	\??\a:	yflnnd.exe
File opened (read-only)	\??\l:	yflnnd.exe
File opened (read-only)	\??\q:	yflnnd.exe
File opened (read-only)	\??\r:	yflnnd.exe
File opened (read-only)	\??\u:	yflnnd.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	yflnnd.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\awxnvdgf\yflnnd.exe	vdffqaks.exe
File opened for modification	\??\c:\Program Files\awxnvdgf\yflnnd.exe	vdffqaks.exe
File opened for modification	\??\c:\Program Files\awxnvdgf	vdffqaks.exe
File created	\??\c:\Program Files\awxnvdgf\yflnnd.dll	vdffqaks.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	vdffqaks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yflnnd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.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
2576	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	yflnnd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	yflnnd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2400	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2704	yflnnd.exe
2704	yflnnd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	yflnnd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3012	699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe
2396	vdffqaks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2576	3012	699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe	30
PID 3012 wrote to memory of 2576	3012	699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe	30
PID 3012 wrote to memory of 2576	3012	699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe	30
PID 3012 wrote to memory of 2576	3012	699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe	30
PID 2576 wrote to memory of 2400	2576	cmd.exe	32
PID 2576 wrote to memory of 2400	2576	cmd.exe	32
PID 2576 wrote to memory of 2400	2576	cmd.exe	32
PID 2576 wrote to memory of 2400	2576	cmd.exe	32
PID 2576 wrote to memory of 2396	2576	cmd.exe	33
PID 2576 wrote to memory of 2396	2576	cmd.exe	33
PID 2576 wrote to memory of 2396	2576	cmd.exe	33
PID 2576 wrote to memory of 2396	2576	cmd.exe	33
PID 2396 wrote to memory of 2704	2396	vdffqaks.exe	34
PID 2396 wrote to memory of 2704	2396	vdffqaks.exe	34
PID 2396 wrote to memory of 2704	2396	vdffqaks.exe	34
PID 2396 wrote to memory of 2704	2396	vdffqaks.exe	34

C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe
"C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\vdffqaks.exe "C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2576
- - 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\vdffqaks.exe
    C:\Users\Admin\AppData\Local\Temp\\vdffqaks.exe "C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.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:2396
  - - \??\c:\Program Files\awxnvdgf\yflnnd.exe
      "c:\Program Files\awxnvdgf\yflnnd.exe" "c:\Program Files\awxnvdgf\yflnnd.dll",Compliance C:\Users\Admin\AppData\Local\Temp\vdffqaks.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:2704

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\awxnvdgf\yflnnd.dll

Filesize
141KB

MD5
6b61acacb85f6d6e882ded86eb1ea6e8

SHA1
f561cc511e6c41683c1e2c727ca0ad5f4677c263

SHA256
da0adf0984bf12e540f533c58dd79bc4c635515397046eb261382f9bd96a4955

SHA512
e6a6766e2f9097ea71186ce5c69de6a7fe4b913d40101cceea540da3f7ddcb585c32e5d1096ae0abe2cf97fd78370d594de267b74472c0cd657186d08eade1f7

Download Submit
\Program Files\awxnvdgf\yflnnd.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
207KB

MD5
46be4eee04596a3df23b8c827dfeed1d

SHA1
0509c7898688b5b7e19d0af8519adf53f2705f53

SHA256
21fc9732c41fa25e7e90334de23b68ab1df2032de8baf0a64d415a9ca47ec243

SHA512
441aed4292aa34e019eed6c56c0e53ef695b51c0158688ee765a0f9a4f5a3a9bb6e6e7baebe8486cb452c6b0e13a16576fe1c7b0482a0029ac0ed67bb269d235

Download Submit
memory/2396-12-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2396-20-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2396-11-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2396-10-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2576-7-0x00000000003A0000-0x00000000003EA000-memory.dmp

Filesize
296KB

Download
memory/2704-27-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2704-30-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2704-29-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2704-28-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2704-31-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2704-32-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2704-34-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/3012-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3012-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3012-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3012-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads