gh0strat | 839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58

General

Target

839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe
Size

1.9MB
MD5

742b47795dcd759646fadb3581ceab81
SHA1

45a0aa9ab62a3773a309e115d31bb08b7e353e27
SHA256

839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58
SHA512

166e88fdb66b625994fc45f858ea50775346345de9fdedee860e709fa03421738d47ee96cf0fdd3d6ed582da0d6cd675eeecf5c8f5a34607eccc9cacaa9c92fd
SSDEEP

24576:PQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVjNcQO:PQZAdVyVT9n/Gg0P+WhoCm

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/1856-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1856-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1856-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1916-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1916-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1856-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1856-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1856-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1916-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1916-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0009000000016ca5-33.dat	family_gh0strat
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-73-0x0000000010000000-0x00000000101B6000-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

Drops file in Drivers directory 1 IoCs

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

Executes dropped EXE 4 IoCs

pid	Process
1856	svchost.exe
1916	TXPlatforn.exe
2184	svchos.exe
2700	TXPlatforn.exe

Loads dropped DLL 4 IoCs

pid	Process
1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe
1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe
1916	TXPlatforn.exe
2184	svchos.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259431846.txt	svchos.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1856-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1856-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1856-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1856-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1916-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1916-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe

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	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.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	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.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
2548	cmd.exe
2648	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2648	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2700	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1856	svchost.exe
Token: SeLoadDriverPrivilege	2700	TXPlatforn.exe
Token: 33	2700	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2700	TXPlatforn.exe
Token: 33	2700	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2700	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe
1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 1856	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	30
PID 1064 wrote to memory of 1856	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	30
PID 1064 wrote to memory of 1856	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	30
PID 1064 wrote to memory of 1856	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	30
PID 1064 wrote to memory of 1856	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	30
PID 1064 wrote to memory of 1856	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	30
PID 1064 wrote to memory of 1856	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	30
PID 1856 wrote to memory of 2548	1856	svchost.exe	32
PID 1856 wrote to memory of 2548	1856	svchost.exe	32
PID 1856 wrote to memory of 2548	1856	svchost.exe	32
PID 1856 wrote to memory of 2548	1856	svchost.exe	32
PID 1064 wrote to memory of 2184	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	34
PID 1064 wrote to memory of 2184	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	34
PID 1064 wrote to memory of 2184	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	34
PID 1064 wrote to memory of 2184	1064	839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe	34
PID 1916 wrote to memory of 2700	1916	TXPlatforn.exe	35
PID 1916 wrote to memory of 2700	1916	TXPlatforn.exe	35
PID 1916 wrote to memory of 2700	1916	TXPlatforn.exe	35
PID 1916 wrote to memory of 2700	1916	TXPlatforn.exe	35
PID 1916 wrote to memory of 2700	1916	TXPlatforn.exe	35
PID 1916 wrote to memory of 2700	1916	TXPlatforn.exe	35
PID 1916 wrote to memory of 2700	1916	TXPlatforn.exe	35
PID 2548 wrote to memory of 2648	2548	cmd.exe	36
PID 2548 wrote to memory of 2648	2548	cmd.exe	36
PID 2548 wrote to memory of 2648	2548	cmd.exe	36
PID 2548 wrote to memory of 2648	2548	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe
"C:\Users\Admin\AppData\Local\Temp\839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.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:1856
- - 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\svchost.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2548
  - - 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:2648
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2184

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2700

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 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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.9MB

MD5
742b47795dcd759646fadb3581ceab81

SHA1
45a0aa9ab62a3773a309e115d31bb08b7e353e27

SHA256
839d575e8c0af43fdb0d4000da5c480397d70eb2cc1bbbfeffe426f038fd6d58

SHA512
166e88fdb66b625994fc45f858ea50775346345de9fdedee860e709fa03421738d47ee96cf0fdd3d6ed582da0d6cd675eeecf5c8f5a34607eccc9cacaa9c92fd

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259431846.txt

Filesize
50KB

MD5
5a25188bf397eece59cf9d727e2ab1f4

SHA1
0867bf5dd8562d6e4ac6a6817ae1ac5b4d599ad5

SHA256
57f5cc1403b08fe780b1202a4113aca5e8ab24b3c5af9f30cd2d2125c790e560

SHA512
81f72956cff69a53eabad47d969cc9d77d29a7abd077a9ad2143617782023081b9989604299de8e9dc243f40c3b9f1c117bf46491937f9e77bdca57b9a5c9766

Download Submit
memory/1856-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1856-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1856-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1856-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1916-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1916-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads