gh0strat | 19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852

General

Target

19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe
Size

4.5MB
MD5

62e3a8a31d42942f8510ee806b9ac3a4
SHA1

c79989f0a71cf375ba870ed230584b3e1cfa5ad4
SHA256

19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852
SHA512

ccc8ad74e3a06af8d0809a6a3afc6874415d4cdc409d10f2bde309109066eaa4dd08086d2e05ee8667e7d108e140a5afa48ec09003a70bac3a70a8cb3cffff4d
SSDEEP

49152:m0EpNZllylCeO8NTiGZoii3dP8sPPrSycWdHLTVYsm9PoT/iFv8bjTnAqB5JWCTl:MXllylCeO8ZoAsGLW1n6sOPgiFeEBC

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2532-69-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/3036-75-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/272-83-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/3036-87-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/272-88-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/272-89-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/2532-65-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/2532-64-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2532-69-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/3036-75-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/272-83-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/3036-87-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/272-88-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/272-89-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/2532-65-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/2532-64-0x0000000010000000-0x00000000101B5000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	Vnoph.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	Vnoph.exe

Executes dropped EXE 3 IoCs

pid	Process
2532	TempSever.exe
3036	Vnoph.exe
272	Vnoph.exe

Loads dropped DLL 2 IoCs

pid	Process
2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe
3036	Vnoph.exe

UPX packed file 35 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2632-1-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-55-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-53-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-52-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-49-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2532-69-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/3036-75-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/272-83-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/3036-87-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/272-88-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/272-89-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/2532-65-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/2532-64-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/2532-62-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/2632-46-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-44-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-42-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-37-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-34-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-32-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-30-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-28-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-25-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-22-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-20-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-18-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-16-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-13-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-10-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-6-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-5-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-4-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-3-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-40-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2632-90-0x0000000010000000-0x000000001003E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SkinH_EL.dll	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe
File created	C:\Windows\SysWOW64\Vnoph.exe	TempSever.exe
File opened for modification	C:\Windows\SysWOW64\Vnoph.exe	TempSever.exe

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vnoph.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vnoph.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TempSever.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
2452	cmd.exe
2788	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2788	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
272	Vnoph.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2532	TempSever.exe
Token: SeLoadDriverPrivilege	272	Vnoph.exe
Token: 33	272	Vnoph.exe
Token: SeIncBasePriorityPrivilege	272	Vnoph.exe
Token: 33	272	Vnoph.exe
Token: SeIncBasePriorityPrivilege	272	Vnoph.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe
2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe
2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe
2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2532	2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe	30
PID 2632 wrote to memory of 2532	2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe	30
PID 2632 wrote to memory of 2532	2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe	30
PID 2632 wrote to memory of 2532	2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe	30
PID 2632 wrote to memory of 2532	2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe	30
PID 2632 wrote to memory of 2532	2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe	30
PID 2632 wrote to memory of 2532	2632	19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe	30
PID 3036 wrote to memory of 272	3036	Vnoph.exe	32
PID 3036 wrote to memory of 272	3036	Vnoph.exe	32
PID 3036 wrote to memory of 272	3036	Vnoph.exe	32
PID 3036 wrote to memory of 272	3036	Vnoph.exe	32
PID 3036 wrote to memory of 272	3036	Vnoph.exe	32
PID 3036 wrote to memory of 272	3036	Vnoph.exe	32
PID 3036 wrote to memory of 272	3036	Vnoph.exe	32
PID 2532 wrote to memory of 2452	2532	TempSever.exe	33
PID 2532 wrote to memory of 2452	2532	TempSever.exe	33
PID 2532 wrote to memory of 2452	2532	TempSever.exe	33
PID 2532 wrote to memory of 2452	2532	TempSever.exe	33
PID 2452 wrote to memory of 2788	2452	cmd.exe	35
PID 2452 wrote to memory of 2788	2452	cmd.exe	35
PID 2452 wrote to memory of 2788	2452	cmd.exe	35
PID 2452 wrote to memory of 2788	2452	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe
"C:\Users\Admin\AppData\Local\Temp\19d7f5a437a05159d2dcd1fd46d70e68e3b774f75692e7053b712e8da66a5852.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Users\Admin\AppData\Local\TempSever.exe
  C:\Users\Admin\AppData\Local\TempSever.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:2532
- - 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\TEMPSE~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2788

C:\Windows\SysWOW64\Vnoph.exe
C:\Windows\SysWOW64\Vnoph.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\Vnoph.exe
  C:\Windows\SysWOW64\Vnoph.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:272

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

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

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Downloads

C:\Users\Admin\AppData\Local\TempSever.exe

Filesize
377KB

MD5
8d5d2baaadca808552b8b68dcbcf47ae

SHA1
fbf8cdc5c00acf983a03b90aea08a2f72d89fe28

SHA256
2f938362c4e2567a76aa91954f132471386eefdaa8f633d21c49c588558b04be

SHA512
6e4021c7645c518e7536c972bdd9d8c9fd1253d2e5b4e93b088df8ff8d3f074f189f39cea74d7d13c8644791eceb1d2b32a793a3a0817a6196943ab58e29d34e

Download Submit
memory/272-83-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/272-89-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/272-88-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/2532-62-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/2532-64-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/2532-65-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/2532-69-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/2632-16-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-30-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-90-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-49-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-52-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-53-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-55-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-46-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-44-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-42-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-37-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-34-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-32-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-40-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-28-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-25-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-22-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-20-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-18-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-1-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-13-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-10-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-6-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-5-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-4-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2632-3-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3036-87-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/3036-75-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads