gh0strat | 2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485

General

Target

2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485.exe
Size

206KB
MD5

6eddfd6db5a5d04d43d6c3408805d9a1
SHA1

1d7c5bdc632685f8b68d405b5c701584806539f4
SHA256

2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485
SHA512

d4eb66d7d183cf12b8b6d5b9b09a7dec1ddc67ce0e2273aaf5001040d97bc022f6fe7dc890ad080d0b21a86a43061d17ba8752e122b344136f8429d693393600
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT: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
5268	giqxa.exe

Executes dropped EXE 2 IoCs

pid	Process
5268	giqxa.exe
4816	mscb.exe

Loads dropped DLL 1 IoCs

pid	Process
4816	mscb.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-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\jazjnn\\mscb.exe \"c:\\Program Files\\jazjnn\\mscbr.dll\",Compliance"	mscb.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:	mscb.exe
File opened (read-only)	\??\i:	mscb.exe
File opened (read-only)	\??\t:	mscb.exe
File opened (read-only)	\??\y:	mscb.exe
File opened (read-only)	\??\b:	mscb.exe
File opened (read-only)	\??\l:	mscb.exe
File opened (read-only)	\??\n:	mscb.exe
File opened (read-only)	\??\o:	mscb.exe
File opened (read-only)	\??\p:	mscb.exe
File opened (read-only)	\??\v:	mscb.exe
File opened (read-only)	\??\x:	mscb.exe
File opened (read-only)	\??\a:	mscb.exe
File opened (read-only)	\??\e:	mscb.exe
File opened (read-only)	\??\r:	mscb.exe
File opened (read-only)	\??\s:	mscb.exe
File opened (read-only)	\??\u:	mscb.exe
File opened (read-only)	\??\w:	mscb.exe
File opened (read-only)	\??\h:	mscb.exe
File opened (read-only)	\??\j:	mscb.exe
File opened (read-only)	\??\k:	mscb.exe
File opened (read-only)	\??\m:	mscb.exe
File opened (read-only)	\??\q:	mscb.exe
File opened (read-only)	\??\z:	mscb.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	mscb.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\jazjnn\mscb.exe	giqxa.exe
File opened for modification	\??\c:\Program Files\jazjnn\mscb.exe	giqxa.exe
File opened for modification	\??\c:\Program Files\jazjnn	giqxa.exe
File created	\??\c:\Program Files\jazjnn\mscbr.dll	giqxa.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	2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485.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	giqxa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mscb.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
5888	cmd.exe
2528	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	mscb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	mscb.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2528	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4816	mscb.exe
4816	mscb.exe
4816	mscb.exe
4816	mscb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4816	mscb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1368	2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485.exe
5268	giqxa.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 5888	1368	2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485.exe	88
PID 1368 wrote to memory of 5888	1368	2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485.exe	88
PID 1368 wrote to memory of 5888	1368	2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485.exe	88
PID 5888 wrote to memory of 2528	5888	cmd.exe	90
PID 5888 wrote to memory of 2528	5888	cmd.exe	90
PID 5888 wrote to memory of 2528	5888	cmd.exe	90
PID 5888 wrote to memory of 5268	5888	cmd.exe	94
PID 5888 wrote to memory of 5268	5888	cmd.exe	94
PID 5888 wrote to memory of 5268	5888	cmd.exe	94
PID 5268 wrote to memory of 4816	5268	giqxa.exe	95
PID 5268 wrote to memory of 4816	5268	giqxa.exe	95
PID 5268 wrote to memory of 4816	5268	giqxa.exe	95

C:\Users\Admin\AppData\Local\Temp\2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485.exe
"C:\Users\Admin\AppData\Local\Temp\2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\giqxa.exe "C:\Users\Admin\AppData\Local\Temp\2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5888
- - 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:2528
- - C:\Users\Admin\AppData\Local\Temp\giqxa.exe
    C:\Users\Admin\AppData\Local\Temp\\giqxa.exe "C:\Users\Admin\AppData\Local\Temp\2c153a8481c00b3f125fb852f52b34c1bac31126ca9ab83446235c5239b97485.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5268
  - - \??\c:\Program Files\jazjnn\mscb.exe
      "c:\Program Files\jazjnn\mscb.exe" "c:\Program Files\jazjnn\mscbr.dll",Compliance C:\Users\Admin\AppData\Local\Temp\giqxa.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:4816

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\Program Files\jazjnn\mscb.exe "c:\Program Files\jazjnn\mscbr.dll",Compliance
1⤵
PID:4224

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\jazjnn\mscb.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Users\Admin\AppData\Local\Temp\giqxa.exe

Filesize
206KB

MD5
b8f079b6815640801c525ca1f96c8e04

SHA1
8477ea8c66c0a8a00d44dd377d094ccb22135f12

SHA256
d2d3ed74d5978b3134929a3ba2ae1c28a13fc35594b8449580433b7f095f82c0

SHA512
20799ce5fe6401c190d52b3aa8995db1c51cf97a1495bb3de7593c20b933c6ed5476df6fa69d3f2186ab2f4f2e45987824162e2b461d2e1a24994306e8f652cc

Download Submit
\??\c:\Program Files\jazjnn\mscbr.dll

Filesize
141KB

MD5
1d7f41a4447049f7b226948cf47c01a5

SHA1
6ad92bbdc56c56f9bb91dba0bdd30e41047822ec

SHA256
aa5f562f638b1296d89feba3889a2dc43e78ed154052a8f95098435881040182

SHA512
30530a8330c1f507c4e9ecd2b7a6643b8e627ddfbef783998448ff0c73ce2f22568d3141e91134e750b5d513e6e7829e0c21fb9ae078b90320316d006613a493

Download Submit
memory/1368-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1368-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1368-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1368-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4816-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4816-21-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4816-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/5268-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/5268-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/5268-15-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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