gh0strat | af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21

General

Target

af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe
Size

13.4MB
MD5

e731f33945469c7bb624b95817059cde
SHA1

eb984f627c47e1f55ef44d8b14617e27c59412e0
SHA256

af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21
SHA512

b50bd34b3fd68139ee0fb9bbbef87b455028560a44c3fb9f540ffa0e6782bc3d4d934d08d9972830e4657eab29690cc4f15919e1dfd932071ab49f0173489952
SSDEEP

98304:rws2ANnKXOaeOgmhZwB/dpisQsbUg2pQx7deWU3HMuza212:tKXbeO7fkFvOzUeWvtf

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/408-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/408-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/408-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/704-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/704-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1688-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1688-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1688-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240603578.txt	family_gh0strat
behavioral2/memory/408-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/408-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/408-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/704-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/704-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1688-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1688-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1688-42-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240603578.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

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

Executes dropped EXE 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exeRemote Data.exe

pid	process
2756	R.exe
408	N.exe
704	TXPlatfor.exe
1688	TXPlatfor.exe
2900	HD_af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe
1076	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

2756 R.exe
1552 svchost.exe
1076 Remote Data.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/408-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/408-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/408-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/408-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/704-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/704-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/704-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1688-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1688-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1688-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240603578.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

Processes:

af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe

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

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3256 PING.EXE

pid	process
3256	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe

pid	process
2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe
2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

1688 TXPlatfor.exe

pid	process
1688	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	408	N.exe
Token: SeLoadDriverPrivilege	1688	TXPlatfor.exe
Token: 33	1688	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1688	TXPlatfor.exe
Token: 33	1688	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1688	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe

pid	process
2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe
2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2636 wrote to memory of 2756	2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe	R.exe
PID 2636 wrote to memory of 2756	2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe	R.exe
PID 2636 wrote to memory of 2756	2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe	R.exe
PID 2636 wrote to memory of 408	2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe	N.exe
PID 2636 wrote to memory of 408	2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe	N.exe
PID 2636 wrote to memory of 408	2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe	N.exe
PID 408 wrote to memory of 2964	408	N.exe	cmd.exe
PID 408 wrote to memory of 2964	408	N.exe	cmd.exe
PID 408 wrote to memory of 2964	408	N.exe	cmd.exe
PID 704 wrote to memory of 1688	704	TXPlatfor.exe	TXPlatfor.exe
PID 704 wrote to memory of 1688	704	TXPlatfor.exe	TXPlatfor.exe
PID 704 wrote to memory of 1688	704	TXPlatfor.exe	TXPlatfor.exe
PID 2636 wrote to memory of 2900	2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe	HD_af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe
PID 2636 wrote to memory of 2900	2636	af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe	HD_af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe
PID 2964 wrote to memory of 3256	2964	cmd.exe	PING.EXE
PID 2964 wrote to memory of 3256	2964	cmd.exe	PING.EXE
PID 2964 wrote to memory of 3256	2964	cmd.exe	PING.EXE
PID 1552 wrote to memory of 1076	1552	svchost.exe	Remote Data.exe
PID 1552 wrote to memory of 1076	1552	svchost.exe	Remote Data.exe
PID 1552 wrote to memory of 1076	1552	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe
"C:\Users\Admin\AppData\Local\Temp\af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2756
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:408
- - 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\N.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2964
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3256
- C:\Users\Admin\AppData\Local\Temp\HD_af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe
  C:\Users\Admin\AppData\Local\Temp\HD_af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe
  2⤵
  - Executes dropped EXE
  PID:2900

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1060

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240603578.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1076

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:704
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:1688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2.7MB

MD5
77a88b30c191be1856e5166e7938ab6e

SHA1
f518e0ed8f7e60f2d2cdfaf6b32dea3f70edd9cf

SHA256
e40d9225a4f58780179e31755f8ff3b294703b3389fd10e7bf870344f39dc230

SHA512
30a805f86f1d162975399741b64968f59c0b73a89371fde09dec0a5193433fc9819bb6ecf72288b318b0a5eb4150278269201f0cf888618aa09c793a8d17671e

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_af19e91e41f3d2236f144aedd30c86bd95f02128562b09f1bec3b928a97add21.exe

Filesize
10.7MB

MD5
c9d18a35c0112983973ac8851fd0e6ff

SHA1
480edd76eee4c3321f453c8203e1a2ece4043917

SHA256
164fc11442ec551d1bc33be8758695eaac0010f106f75cca677b60749af61e46

SHA512
a85a5ad3e3a143fb52a125142b5c507de7568ebd8eae2261cd873371fcb1d624f46edc402717ab530f0934f9bebaab56da9591bacd46b2556f14d85d3eb73278

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240603578.txt

Filesize
899KB

MD5
5be1c50cbd484abdebca0a8371891e05

SHA1
04aa8cba32b9add7e416baece77713fcccc6400b

SHA256
4b7e0bdfecb748ede1a488553f9a14aff9c7f0bedc83c6a99c6f6465eafb4a5e

SHA512
3639793aef55784a39237d1a322655802cee74ef39751c7db449dc6b5026b0787c08526bd4893e82f3a1a9ecd80c86d031f5a6c92f8942c397c0e9468e0da234

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/408-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/408-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/408-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/408-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/704-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/704-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/704-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1688-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1688-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1688-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads