gh0strat | f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6

General

Target

f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe
Size

1.2MB
MD5

b47b227c2d8be3a9affe4c26db721b07
SHA1

8dfcb71d2c8b4d7e7592a872b528f8abb083bc76
SHA256

f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6
SHA512

11d62792b0594fdf5ec87588997a84e70dec7c76585a6f6d8aba28bd1167ba2eb229b29a5de6039085547c5b31ee26fd5f1d9c267e2a8be142cf784d27177445
SSDEEP

24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiJ:WIwgMEuy+inDfp3/XoCw57XYBwKJ

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx vmprotect

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2064-24-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2064-23-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-49-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-53-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-57-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x000700000001878c-14.dat	family_gh0strat
behavioral1/memory/2064-24-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2064-23-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2196-49-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2196-53-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2196-57-0x0000000010000000-0x00000000101BA000-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\\259436152.txt"	AK47.exe

Executes dropped EXE 4 IoCs

pid	Process
2976	AK47.exe
2376	AK47.exe
2064	AK74.exe
2704	Ghiya.exe

Loads dropped DLL 6 IoCs

pid	Process
2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe
2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe
2976	AK47.exe
2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe
2600	svchost.exe
2704	Ghiya.exe

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2280-0-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/2280-1-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/files/0x0006000000019279-59.dat	vmprotect
behavioral1/memory/2280-64-0x0000000002190000-0x00000000021A0000-memory.dmp	vmprotect

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\259436152.txt	AK47.exe
File created	C:\Windows\SysWOW64\259436152.txt	AK47.exe
File created	C:\Windows\SysWOW64\Ghiya.exe	AK74.exe
File opened for modification	C:\Windows\SysWOW64\Ghiya.exe	AK74.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	AK47.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2064-21-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2064-24-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2064-23-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2196-49-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2196-53-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2196-57-0x0000000010000000-0x00000000101BA000-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 6 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	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AK74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghiya.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
2664	cmd.exe
2532	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2532	PING.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2064	AK74.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe
2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2976	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	30
PID 2280 wrote to memory of 2976	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	30
PID 2280 wrote to memory of 2976	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	30
PID 2280 wrote to memory of 2976	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	30
PID 2280 wrote to memory of 2376	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	31
PID 2280 wrote to memory of 2376	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	31
PID 2280 wrote to memory of 2376	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	31
PID 2280 wrote to memory of 2376	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	31
PID 2280 wrote to memory of 2064	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	32
PID 2280 wrote to memory of 2064	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	32
PID 2280 wrote to memory of 2064	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	32
PID 2280 wrote to memory of 2064	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	32
PID 2280 wrote to memory of 2064	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	32
PID 2280 wrote to memory of 2064	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	32
PID 2280 wrote to memory of 2064	2280	f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe	32
PID 2064 wrote to memory of 2664	2064	AK74.exe	36
PID 2064 wrote to memory of 2664	2064	AK74.exe	36
PID 2064 wrote to memory of 2664	2064	AK74.exe	36
PID 2064 wrote to memory of 2664	2064	AK74.exe	36

C:\Users\Admin\AppData\Local\Temp\f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe
"C:\Users\Admin\AppData\Local\Temp\f46da10546c1175085ad9884da88e7f2ce36d785358e983ff65278d9dbc72fc6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2280
- 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:2976
- 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:2376
- C:\Users\Admin\AppData\Local\Temp\AK74.exe
  C:\Users\Admin\AppData\Local\Temp\\AK74.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2064
- - 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:2664
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2532
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  PID:2520

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2392

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2600

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2704
- C:\Windows\SysWOW64\Ghiya.exe
  C:\Windows\SysWOW64\Ghiya.exe -acsi
  2⤵
  PID:2196

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\Roaming\Microsoft\VBS3.vbs

Filesize
753B

MD5
6841f3b5cb96ec336cb31289eb9c4fcf

SHA1
b00ce3b3c1ef9d070290f75a560427b1876192c4

SHA256
5bb026e2ee24100afd085503a1cf0d8677981b6044603cd5993365be08ca6e06

SHA512
aa31f1f89f0dd91598012738dd172e90e57b91c48ba2419fc5c8fe6acc24f50c9b432b1add249339f71982d568f2318a4a81b15d835515677e1e60f7d39b5ccc

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

Filesize
91KB

MD5
423eb994ed553294f8a6813619b8da87

SHA1
eca6a16ccd13adcfc27bc1041ddef97ec8081255

SHA256
050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

SHA512
fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

Download Submit
\Users\Admin\AppData\Local\Temp\AK74.exe

Filesize
400KB

MD5
b0998aa7d5071d33daa5b60b9c3c9735

SHA1
9365a1ff0c6de244d6f36c8d84072cc916665d3c

SHA256
3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

SHA512
308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

Filesize
1.2MB

MD5
4bc881950e56c3bb75d77d1acf3be8d3

SHA1
1f21a7f3cb655daa75287fc63f02c4068c0779cf

SHA256
f6890672ca0982855aac992559d6fa97c6764a6021b30e1e068ba8f8c9390d6b

SHA512
cc2d99b70bfcde2133b59e80c05ec645685de4faae38cc5414b5dd88c397dd4c1078a546f962dda82dc55a12ec8ab3553ec4a4d003ddc19c2b577549d2b2dc10

Download Submit
\Windows\SysWOW64\259436152.txt

Filesize
49KB

MD5
4f5ab73141feb2ea83adba81f2e3d9ab

SHA1
4ad4552072648869218a4d6212bcf4fc116b7c41

SHA256
ca2ee362b93a4eec8f2cbf67c55718765b353498fdb584011975bcbf29833b4b

SHA512
54a46b3dd32cf48af59d8c12fc6e9966c64d269cc1466c58032ceec0f40f1e3997570ee33bc25ac9d50cd0f0832288a9ccae7286333d66d1071c9bedf62bf21c

Download Submit
memory/2064-24-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2064-23-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2064-21-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2196-49-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2196-53-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2196-57-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2280-0-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2280-1-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2280-66-0x0000000002190000-0x00000000021A0000-memory.dmp

Filesize
64KB

Download
memory/2280-64-0x0000000002190000-0x00000000021A0000-memory.dmp

Filesize
64KB

Download

Analysis

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