gh0strat | 900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704

General

Target

900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
Size

2.1MB
MD5

94f8d3f7b6bb81b68f4ea6d6c5938a57
SHA1

f3515e0b090bb7541e6ee975362d04029bedd900
SHA256

900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704
SHA512

f9c0346732611e78dc5fa5eb6f09b821d473ec7262788e72f80cf789e75acc91a43a530c71fab59f753d929a3e7bf7cfa37ced7e82770cf2b94ab9c454e086d0
SSDEEP

49152:FQZAdVyVT9n/Gg0P+WhompeoSZPItx2apeapelI:eGdVyVT9nOgmhMoLtUvlI

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3280-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3280-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3280-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1040-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1040-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1040-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1040-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3016-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3016-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3016-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3016-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3280-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3280-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3280-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1040-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1040-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1040-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1040-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3016-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3016-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x000a000000023b80-31.dat	family_gh0strat
behavioral2/memory/3016-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3016-38-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatforn.exe

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

Processes:

TXPlatforn.exe

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

Executes dropped EXE 5 IoCs

Processes:

svchost.exeTXPlatforn.exeTXPlatforn.exesvchos.exeHD_900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

pid	Process
3280	svchost.exe
1040	TXPlatforn.exe
3016	TXPlatforn.exe
1920	svchos.exe
2932	HD_900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

Loads dropped DLL 1 IoCs

Processes:

svchos.exe

pid	Process
1920	svchos.exe

Drops file in System32 directory 3 IoCs

Processes:

svchost.exesvchos.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240618375.txt	svchos.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3280-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3280-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3280-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3280-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1040-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1040-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1040-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1040-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3016-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3016-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3016-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3016-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1040-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

Processes:

900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2892	1920	WerFault.exe	90

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

Processes:

900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exesvchost.exeTXPlatforn.exesvchos.execmd.exePING.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.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	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

Processes:

PING.EXEcmd.exe

pid	Process
868	PING.EXE
5096	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
868	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

pid	Process
8	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
8	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid	Process
3016	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	3280	svchost.exe
Token: SeLoadDriverPrivilege	3016	TXPlatforn.exe
Token: 33	3016	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3016	TXPlatforn.exe
Token: 33	3016	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3016	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

pid	Process
8	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
8	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exesvchost.exeTXPlatforn.execmd.exe

description	pid	Process	procid_target
PID 8 wrote to memory of 3280	8	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	84
PID 8 wrote to memory of 3280	8	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	84
PID 8 wrote to memory of 3280	8	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	84
PID 3280 wrote to memory of 5096	3280	svchost.exe	86
PID 3280 wrote to memory of 5096	3280	svchost.exe	86
PID 3280 wrote to memory of 5096	3280	svchost.exe	86
PID 1040 wrote to memory of 3016	1040	TXPlatforn.exe	88
PID 1040 wrote to memory of 3016	1040	TXPlatforn.exe	88
PID 1040 wrote to memory of 3016	1040	TXPlatforn.exe	88
PID 8 wrote to memory of 1920	8	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	90
PID 8 wrote to memory of 1920	8	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	90
PID 8 wrote to memory of 1920	8	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	90
PID 5096 wrote to memory of 868	5096	cmd.exe	91
PID 5096 wrote to memory of 868	5096	cmd.exe	91
PID 5096 wrote to memory of 868	5096	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
"C:\Users\Admin\AppData\Local\Temp\900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:8
- 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:3280
- - 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:5096
  - - 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:868
- 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:1920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 444
    3⤵
    - Program crash
    PID:2892
- C:\Users\Admin\AppData\Local\Temp\HD_900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
  C:\Users\Admin\AppData\Local\Temp\HD_900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
  2⤵
  - Executes dropped EXE
  PID:2932

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:1040
- 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:3016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1920 -ip 1920
1⤵
PID:316

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_900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

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

Filesize
1.5MB

MD5
b3905c9a0a2e29e54e97d3e8ee168b5e

SHA1
385582ef5cf2123da6398bf2b350a614071b27d3

SHA256
3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a

SHA512
e091a498c6da896abe724b49e0c3d80cbb913e34000488e845acef89896d4e919f933119684a1aa4c038eb892cd0552dcb5f71500b9f9d8b02665bfe5cd816b1

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\240618375.txt

Filesize
50KB

MD5
73f5d799366bab457c26dfc575271e14

SHA1
d7433fcc0e0507e62f1f6b12ae6854e5a1d81328

SHA256
609607a2d4de1caf6d3c632f4aec13bcbacc3eeb05b7824e7e82bcd2ef018e56

SHA512
4ce174e0370990560c01d124422dbf3b9fabca0f0c37558eab721dbd49e54b7bfee7f57a26acfa510aa04bed817e57ce4df0c0e6802253141852a5dadb63ca58

Download Submit
memory/1040-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1040-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1040-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1040-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1040-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3280-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3280-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3280-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3280-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads