gh0strat | e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53

General

Target

e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.exe
Size

206KB
MD5

0c10ab495d4340cf741b252f3611f80b
SHA1

d15bbf0dd3c46574d2bea324dc03298821ec0c94
SHA256

e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53
SHA512

cb880514061b5f98be294ada73c8898868061d7235b748704a0022ef3f9036ce4ab859f387737c1287e88322ad6505fea1e866c29dad0c80d01e4aee5d8cea3f
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
2980	mvrqv.exe

Executes dropped EXE 2 IoCs

pid	Process
2980	mvrqv.exe
2648	tjm.exe

Loads dropped DLL 7 IoCs

pid	Process
2844	cmd.exe
2844	cmd.exe
2980	mvrqv.exe
2648	tjm.exe
2648	tjm.exe
2648	tjm.exe
2648	tjm.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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\uiwug\\tjm.exe \"c:\\Program Files\\uiwug\\tjmrj.dll\",Compliance"	tjm.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)	\??\g:	tjm.exe
File opened (read-only)	\??\h:	tjm.exe
File opened (read-only)	\??\i:	tjm.exe
File opened (read-only)	\??\l:	tjm.exe
File opened (read-only)	\??\p:	tjm.exe
File opened (read-only)	\??\q:	tjm.exe
File opened (read-only)	\??\s:	tjm.exe
File opened (read-only)	\??\b:	tjm.exe
File opened (read-only)	\??\e:	tjm.exe
File opened (read-only)	\??\j:	tjm.exe
File opened (read-only)	\??\o:	tjm.exe
File opened (read-only)	\??\w:	tjm.exe
File opened (read-only)	\??\x:	tjm.exe
File opened (read-only)	\??\k:	tjm.exe
File opened (read-only)	\??\v:	tjm.exe
File opened (read-only)	\??\a:	tjm.exe
File opened (read-only)	\??\m:	tjm.exe
File opened (read-only)	\??\n:	tjm.exe
File opened (read-only)	\??\r:	tjm.exe
File opened (read-only)	\??\t:	tjm.exe
File opened (read-only)	\??\u:	tjm.exe
File opened (read-only)	\??\y:	tjm.exe
File opened (read-only)	\??\z:	tjm.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	tjm.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\uiwug\tjmrj.dll	mvrqv.exe
File created	\??\c:\Program Files\uiwug\tjm.exe	mvrqv.exe
File opened for modification	\??\c:\Program Files\uiwug\tjm.exe	mvrqv.exe
File opened for modification	\??\c:\Program Files\uiwug	mvrqv.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	e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.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	mvrqv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tjm.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
2844	cmd.exe
2772	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	tjm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	tjm.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2772	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2648	tjm.exe
2648	tjm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	tjm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2764	e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.exe
2980	mvrqv.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2844	2764	e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.exe	30
PID 2764 wrote to memory of 2844	2764	e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.exe	30
PID 2764 wrote to memory of 2844	2764	e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.exe	30
PID 2764 wrote to memory of 2844	2764	e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.exe	30
PID 2844 wrote to memory of 2772	2844	cmd.exe	32
PID 2844 wrote to memory of 2772	2844	cmd.exe	32
PID 2844 wrote to memory of 2772	2844	cmd.exe	32
PID 2844 wrote to memory of 2772	2844	cmd.exe	32
PID 2844 wrote to memory of 2980	2844	cmd.exe	33
PID 2844 wrote to memory of 2980	2844	cmd.exe	33
PID 2844 wrote to memory of 2980	2844	cmd.exe	33
PID 2844 wrote to memory of 2980	2844	cmd.exe	33
PID 2980 wrote to memory of 2648	2980	mvrqv.exe	34
PID 2980 wrote to memory of 2648	2980	mvrqv.exe	34
PID 2980 wrote to memory of 2648	2980	mvrqv.exe	34
PID 2980 wrote to memory of 2648	2980	mvrqv.exe	34

C:\Users\Admin\AppData\Local\Temp\e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.exe
"C:\Users\Admin\AppData\Local\Temp\e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mvrqv.exe "C:\Users\Admin\AppData\Local\Temp\e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2844
- - 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:2772
- - C:\Users\Admin\AppData\Local\Temp\mvrqv.exe
    C:\Users\Admin\AppData\Local\Temp\\mvrqv.exe "C:\Users\Admin\AppData\Local\Temp\e2f1a7085280e07fc56b74b4c0ab1daebbb64d8649ad0161e811e9f969f49c53.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:2980
  - - \??\c:\Program Files\uiwug\tjm.exe
      "c:\Program Files\uiwug\tjm.exe" "c:\Program Files\uiwug\tjmrj.dll",Compliance C:\Users\Admin\AppData\Local\Temp\mvrqv.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:2648

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\uiwug\tjm.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\Program Files\uiwug\tjmrj.dll

Filesize
141KB

MD5
d344cf6ad971adeb1bc36ac9d909ca64

SHA1
c51f6f2850e2c11a54588474555a28d39503899f

SHA256
f94a7281ed2962cf26fe29c555fa763d38054eb660d7648a6403d4aada9d4d4a

SHA512
e0c35075a7ee9c49e65a890f2ef18a64a47dbc0eed529ad94594f15f9c7d2709c40b640c22cdba2e9d91f5921a8ea8789ca56e7af4d0eadff35f0272e15e52ce

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

Filesize
207KB

MD5
80712dd125cfd7964d357abc35742e77

SHA1
441a45deb7f851271854dc7c055312b9acf6dc0e

SHA256
ec5474739b4818fa1bd5d9054587c3737442c640f59a857525b57a86f6a892c3

SHA512
bfd573e41ad0140c498b7d620c1eed5e7eacbff06710817057398ff66f92a40f3789b06cbcf1377cca85ae40bea51aff5eeef72b2ce83d0681d5b6e55d940733

Download Submit
memory/2648-31-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2648-28-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2648-27-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2764-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2764-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2764-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2764-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2844-7-0x0000000000290000-0x00000000002DA000-memory.dmp

Filesize
296KB

Download
memory/2980-11-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2980-10-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2980-12-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2980-20-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads