gh0strat | f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72

General

Target

f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe
Size

1.2MB
MD5

17ff071eb8639a2eaa65d53884f90f7e
SHA1

5401c380a5455684bd1745ae1cd85aec2046174d
SHA256

f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72
SHA512

4917d588d92597b57a899b7148fa8387360e96bb73298c218191a39d607ecf28a7ae3f6cc7303d49668e6a745339dc0b25fa39ed7eaad116d301487fa00e2322
SSDEEP

24576:+QZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVsb:+QZAdVyVT9n/Gg0P+Whopb

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2296-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2296-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2296-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/348-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/348-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-68-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-71-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/2296-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2296-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2296-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/348-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/348-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x00060000000194d0-29.dat	family_gh0strat
behavioral1/memory/2780-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-68-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-71-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-73-0x0000000010000000-0x00000000101B6000-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
2296	svchost.exe
348	TXPlatforn.exe
2488	svchos.exe
2780	TXPlatforn.exe

Loads dropped DLL 4 IoCs

pid	Process
1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe
1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe
348	TXPlatforn.exe
2488	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\259445621.txt	svchos.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2296-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2296-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2296-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2296-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/348-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/348-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-68-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-71-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.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	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
2844	PING.EXE
2916	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2844	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2780	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2296	svchost.exe
Token: SeLoadDriverPrivilege	2780	TXPlatforn.exe
Token: 33	2780	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2780	TXPlatforn.exe
Token: 33	2780	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2780	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe
1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 2296	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	31
PID 1280 wrote to memory of 2296	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	31
PID 1280 wrote to memory of 2296	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	31
PID 1280 wrote to memory of 2296	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	31
PID 1280 wrote to memory of 2296	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	31
PID 1280 wrote to memory of 2296	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	31
PID 1280 wrote to memory of 2296	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	31
PID 2296 wrote to memory of 2916	2296	svchost.exe	33
PID 2296 wrote to memory of 2916	2296	svchost.exe	33
PID 2296 wrote to memory of 2916	2296	svchost.exe	33
PID 2296 wrote to memory of 2916	2296	svchost.exe	33
PID 1280 wrote to memory of 2488	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	35
PID 1280 wrote to memory of 2488	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	35
PID 1280 wrote to memory of 2488	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	35
PID 1280 wrote to memory of 2488	1280	f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe	35
PID 348 wrote to memory of 2780	348	TXPlatforn.exe	36
PID 348 wrote to memory of 2780	348	TXPlatforn.exe	36
PID 348 wrote to memory of 2780	348	TXPlatforn.exe	36
PID 348 wrote to memory of 2780	348	TXPlatforn.exe	36
PID 348 wrote to memory of 2780	348	TXPlatforn.exe	36
PID 348 wrote to memory of 2780	348	TXPlatforn.exe	36
PID 348 wrote to memory of 2780	348	TXPlatforn.exe	36
PID 2916 wrote to memory of 2844	2916	cmd.exe	37
PID 2916 wrote to memory of 2844	2916	cmd.exe	37
PID 2916 wrote to memory of 2844	2916	cmd.exe	37
PID 2916 wrote to memory of 2844	2916	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.exe
"C:\Users\Admin\AppData\Local\Temp\f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72.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:1280
- 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:2296
- - 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:2916
  - - 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:2844
- 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:2488

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:348
- 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:2780

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

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Downloads

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

Filesize
1.2MB

MD5
17ff071eb8639a2eaa65d53884f90f7e

SHA1
5401c380a5455684bd1745ae1cd85aec2046174d

SHA256
f1c77424996350c35e5b340feae78311513e35d257aa1b2b86caf5f3325a7f72

SHA512
4917d588d92597b57a899b7148fa8387360e96bb73298c218191a39d607ecf28a7ae3f6cc7303d49668e6a745339dc0b25fa39ed7eaad116d301487fa00e2322

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
\Windows\SysWOW64\259445621.txt

Filesize
50KB

MD5
8916d75cce9f7227dea9470da05a3fec

SHA1
b48631012868d83548e5e5c34dbc3e2576d1d9c7

SHA256
654b916e79e027981d3f9072e8f1333a6a0ebe1aed6b534b24e9599f6e2a4537

SHA512
fd6cb88459058d4cc6ee262e18260d33dd543bed557572287c7a8c5658505bc0881530c12f66c84c126c27cdf81fc6991c595bd5190307be0a7be54388ae10dd

Download Submit
memory/348-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/348-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2296-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2296-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2296-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2296-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-68-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-71-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads