gh0strat | af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5

General

Target

af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe
Size

1.2MB
MD5

f89e797b963b94b0c4d48538a997fa31
SHA1

3b3949204b4c8b3b94d4cc1f2fa0d04fb56be321
SHA256

af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5
SHA512

d2f9826f11a120b91b45e98366466beb6cb57c891ec87fd6c9d4242f30bccf1bf3f996320b55b126c3e47f7d87eb6ab4b7b69ba708e5e4f9d621d09ce45d9913
SSDEEP

24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiS:WIwgMEuy+inDfp3/XoCw57XYBwKS

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx vmprotect

Malware Config

Signatures

Detect PurpleFox Rootkit 6 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2912-28-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2912-29-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/1980-44-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/1980-43-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/1980-49-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/1980-53-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x000f000000017390-14.dat	family_gh0strat
behavioral1/memory/2912-28-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2912-29-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/1980-44-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/1980-43-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/1980-49-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/1980-53-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/1980-56-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat

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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259450598.txt"	AK47.exe

Executes dropped EXE 3 IoCs

pid	Process
2300	AK47.exe
2972	AK47.exe
2912	AK74.exe

Loads dropped DLL 5 IoCs

pid	Process
1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe
1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe
2300	AK47.exe
2856	svchost.exe
1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/1740-0-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/1740-1-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259450598.txt	AK47.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	AK47.exe
File created	C:\Windows\SysWOW64\259450598.txt	AK47.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2912-28-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2912-26-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2912-29-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1980-44-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1980-43-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1980-42-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1980-49-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1980-53-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1980-56-0x0000000010000000-0x00000000101BA000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AK47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AK47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
2636	cmd.exe
2524	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2524	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe
1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2972	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	31
PID 1740 wrote to memory of 2972	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	31
PID 1740 wrote to memory of 2972	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	31
PID 1740 wrote to memory of 2972	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	31
PID 1740 wrote to memory of 2300	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	32
PID 1740 wrote to memory of 2300	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	32
PID 1740 wrote to memory of 2300	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	32
PID 1740 wrote to memory of 2300	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	32
PID 1740 wrote to memory of 2912	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	35
PID 1740 wrote to memory of 2912	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	35
PID 1740 wrote to memory of 2912	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	35
PID 1740 wrote to memory of 2912	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	35
PID 1740 wrote to memory of 2912	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	35
PID 1740 wrote to memory of 2912	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	35
PID 1740 wrote to memory of 2912	1740	af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe	35

C:\Users\Admin\AppData\Local\Temp\af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe
"C:\Users\Admin\AppData\Local\Temp\af886b076284e2357d4b50e724d6130fb4807a32bb5c660a72874cde952b74a5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  C:\Users\Admin\AppData\Local\Temp\\AK47.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2300
- C:\Users\Admin\AppData\Local\Temp\AK74.exe
  C:\Users\Admin\AppData\Local\Temp\\AK74.exe
  2⤵
  - Executes dropped EXE
  PID:2912
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\AK74.exe > nul
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    PID:2636
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2524
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  PID:2236

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2960

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2856

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -auto
1⤵
PID:2812
- C:\Windows\SysWOW64\Ghiya.exe
  C:\Windows\SysWOW64\Ghiya.exe -acsi
  2⤵
  PID:1980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\AK74.exe

Filesize
400KB

MD5
b0998aa7d5071d33daa5b60b9c3c9735

SHA1
9365a1ff0c6de244d6f36c8d84072cc916665d3c

SHA256
3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

SHA512
308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

Download Submit
\Users\Admin\AppData\Local\Temp\AK47.exe

Filesize
91KB

MD5
423eb994ed553294f8a6813619b8da87

SHA1
eca6a16ccd13adcfc27bc1041ddef97ec8081255

SHA256
050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

SHA512
fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

Download Submit
\Windows\SysWOW64\259450598.txt

Filesize
49KB

MD5
3b784fb9e0a602839aa7070346238ec7

SHA1
8ed0aae2a38bf9e938620bff81674814bff2791a

SHA256
b1fe22057132234533219dd1b57a7a54deb503bc4ccc83b1c0732928d3df6a2a

SHA512
bff1fe7c3fd4d7fe8fed3ce67d39c20c184c308b83e4053ea87a7abe5d9b8fb0bebb5f4247560d0fbe0ab6fe09692dc6e8906cc61e4ff9a602ee919cd8f56a94

Download Submit
memory/1740-0-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1740-1-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1980-43-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1980-44-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1980-42-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1980-49-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1980-53-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1980-56-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2912-26-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2912-29-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2912-28-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download

Analysis

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