gh0strat | 592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc

General

Target

592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe
Size

1.8MB
MD5

db9ade7526a06ae5427bc5dd83a3f8c2
SHA1

fec9d76615fad9f3a15d98eaa1833e3b9848e287
SHA256

592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc
SHA512

782b6b04b9d1bf6cc30af861e8ca03f711940a4467c768b1ee822996faf14bee3c87aca211c2f298b9e30b0dd7cf3bc053bad153beff2a3192758f66c27cdd9f
SSDEEP

24576:gQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV133M4Y+WN5mmT7Kc:gQZAdVyVT9n/Gg0P+Who6MvfKc

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
behavioral2/memory/2944-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2944-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2944-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3508-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3508-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3508-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3084-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3508-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3084-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3084-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/2944-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2944-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2944-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3508-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3508-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3508-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3084-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x000a000000023b6c-29.dat	family_gh0strat
behavioral2/memory/3508-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3084-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3084-36-0x0000000010000000-0x00000000101B6000-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
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	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
2944	svchost.exe
3508	TXPlatforn.exe
2676	svchos.exe
3084	TXPlatforn.exe

Loads dropped DLL 1 IoCs

pid	Process
2676	svchos.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240613000.txt	svchos.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2944-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2944-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2944-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2944-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3508-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3508-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3508-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3508-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3084-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3508-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3084-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3084-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4404	2676	WerFault.exe	89
3604	2676	WerFault.exe	89

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	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	TXPlatforn.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
5004	PING.EXE
316	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5004	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3084	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2944	svchost.exe
Token: SeLoadDriverPrivilege	3084	TXPlatforn.exe
Token: 33	3084	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3084	TXPlatforn.exe
Token: 33	3084	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3084	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3976	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe
3976	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 2944	3976	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe	84
PID 3976 wrote to memory of 2944	3976	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe	84
PID 3976 wrote to memory of 2944	3976	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe	84
PID 2944 wrote to memory of 316	2944	svchost.exe	86
PID 2944 wrote to memory of 316	2944	svchost.exe	86
PID 2944 wrote to memory of 316	2944	svchost.exe	86
PID 3976 wrote to memory of 2676	3976	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe	89
PID 3976 wrote to memory of 2676	3976	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe	89
PID 3976 wrote to memory of 2676	3976	592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe	89
PID 3508 wrote to memory of 3084	3508	TXPlatforn.exe	91
PID 3508 wrote to memory of 3084	3508	TXPlatforn.exe	91
PID 3508 wrote to memory of 3084	3508	TXPlatforn.exe	91
PID 316 wrote to memory of 5004	316	cmd.exe	92
PID 316 wrote to memory of 5004	316	cmd.exe	92
PID 316 wrote to memory of 5004	316	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe
"C:\Users\Admin\AppData\Local\Temp\592db095d2d791521928081e0923614e54be3272516820b7ac1319d33824acbc.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3976
- 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:2944
- - 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:316
  - - 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:5004
- 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:2676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 216
    3⤵
    - Program crash
    PID:4404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 528
    3⤵
    - Program crash
    PID:3604

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3508
- 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:3084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2676 -ip 2676
1⤵
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2676 -ip 2676
1⤵
PID:648

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
1.5MB

MD5
c8cf6a8722a9dcd56bd1dd8afabd8a36

SHA1
2cbcf3626f72ddbfbcae09d4247030d2d8041d10

SHA256
f72f5e2fd924e041ecc82cb423288cbbb17d12730c7831744fec5912dd917876

SHA512
5f9dc52204bd50f05f377f813b4eb9939984ba1df3a809e69e9a74a00b05c7024ae1d767c2dfef04adcd0268a5c3d3d416665d69c3ed6648ffc546c8347fcb27

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCX7C35.tmp

Filesize
1.8MB

MD5
ca1852c3c11abeace81fc59089984c02

SHA1
d4b9802511b634029587c2c0372938250f219588

SHA256
9a528116705af0498732eef0d9e42643a8dc6dffadeda95dd4fdee5cd4ada422

SHA512
5d6e0089b6e4e3d39e581de2bf5984f253994218da84df39c4074f98d6857accfa8d478d2bb13373c4c1c80816a9b680f9206d149cb64f80db4e51fec9ea821a

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240613000.txt

Filesize
50KB

MD5
09a41a2e1987039df2c465fbc66f3266

SHA1
74f1420190ed266759a17671e1c41e934f5e37ce

SHA256
7264cb634110a647e27a0abcf2ab464ac1a738d5e7601249cb88cbeda1a75890

SHA512
160b0bc5ff12d89bd918eaf067f7d0df1d7f10524afadb193688685cab864fecfb78e7143934f59df52c526a719042445700665567448a580991668c212e9fc9

Download Submit
memory/2944-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2944-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2944-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2944-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3084-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3084-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3084-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3508-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3508-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3508-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3508-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3508-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads