gh0strat | f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e

General

Target

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
Size

2.6MB
MD5

0bcbfed5e916e16472ec1d76c8ff0af1
SHA1

88c51351365647b992f535bd3aba4b65c4b439aa
SHA256

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e
SHA512

44c3e3793c14f36d38dac7ed968ac4bd2373afe568a2ef93adcfe671294600a831e7b945fe0993253db14aba7233cb874717ae832f6dfae279e058d8f1141c58
SSDEEP

24576:7CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHG:7CwsbCANnKXferL7Vwe/Gg0P+WhN6o

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 4 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2656-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2656-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 5 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259400880.txt	family_gh0strat
behavioral1/memory/2656-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2656-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2668-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2668-49-0x0000000010000000-0x00000000101B6000-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\\259400880.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.exeHD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exeTXPlatfor.exeRemote Data.exe

pid	process
2356	R.exe
2656	N.exe
2624	TXPlatfor.exe
2388	HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
2668	TXPlatfor.exe
1664	Remote Data.exe

Loads dropped DLL 8 IoCs

Processes:

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
2356	R.exe
3040	svchost.exe
1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
2624	TXPlatfor.exe
3040	svchost.exe
1664	Remote Data.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2656-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2668-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2668-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
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
File created	C:\Windows\SysWOW64\259400880.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1880 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe

pid process

1960 f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2668 TXPlatfor.exe

pid	process
1880	PING.EXE

pid	process
2668	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2656	N.exe
Token: SeLoadDriverPrivilege	2668	TXPlatfor.exe
Token: 33	2668	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2668	TXPlatfor.exe
Token: 33	2668	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2668	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe

pid	process
1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1960 wrote to memory of 2356	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	R.exe
PID 1960 wrote to memory of 2356	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	R.exe
PID 1960 wrote to memory of 2356	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	R.exe
PID 1960 wrote to memory of 2356	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	R.exe
PID 1960 wrote to memory of 2656	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	N.exe
PID 1960 wrote to memory of 2656	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	N.exe
PID 1960 wrote to memory of 2656	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	N.exe
PID 1960 wrote to memory of 2656	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	N.exe
PID 1960 wrote to memory of 2656	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	N.exe
PID 1960 wrote to memory of 2656	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	N.exe
PID 1960 wrote to memory of 2656	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	N.exe
PID 2656 wrote to memory of 2616	2656	N.exe	cmd.exe
PID 2656 wrote to memory of 2616	2656	N.exe	cmd.exe
PID 2656 wrote to memory of 2616	2656	N.exe	cmd.exe
PID 2656 wrote to memory of 2616	2656	N.exe	cmd.exe
PID 1960 wrote to memory of 2388	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
PID 1960 wrote to memory of 2388	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
PID 1960 wrote to memory of 2388	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
PID 1960 wrote to memory of 2388	1960	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
PID 2624 wrote to memory of 2668	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2668	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2668	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2668	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2668	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2668	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2668	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2616 wrote to memory of 1880	2616	cmd.exe	PING.EXE
PID 2616 wrote to memory of 1880	2616	cmd.exe	PING.EXE
PID 2616 wrote to memory of 1880	2616	cmd.exe	PING.EXE
PID 2616 wrote to memory of 1880	2616	cmd.exe	PING.EXE
PID 3040 wrote to memory of 1664	3040	svchost.exe	Remote Data.exe
PID 3040 wrote to memory of 1664	3040	svchost.exe	Remote Data.exe
PID 3040 wrote to memory of 1664	3040	svchost.exe	Remote Data.exe
PID 3040 wrote to memory of 1664	3040	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
"C:\Users\Admin\AppData\Local\Temp\f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960
- 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:2356
- 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:2656
- - 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:2616
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1880
- C:\Users\Admin\AppData\Local\Temp\HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
  C:\Users\Admin\AppData\Local\Temp\HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
  2⤵
  - Executes dropped EXE
  PID:2388

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3024

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:3040
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259400880.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1664

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2624
- 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:2668

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2.5MB

MD5
90ca69de544a798ba2a46c00ffddf780

SHA1
ab96138ebbfb76004f039e9f9501b74957974891

SHA256
a61d2e6c1d90cdc24791ba80e138a6570ac9c6a35339ac406d18e0f7f39b23e0

SHA512
b4d489166c3b40d67873551e8c24eefcb57e34071e399625fdcfd19a5a387221f5565a5cd738f59100560db82088a007264f486d801cf17692c5f12f2712f5b1

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
\Users\Admin\AppData\Local\Temp\HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe

Filesize
144KB

MD5
dca79ea6410a5a1753e93668fb8f7201

SHA1
dc70a7c5448d16c4dfc5ee2ebcce39e3dd914177

SHA256
b32fe9fa4afbfcc19b77cba12d5733e40d16a6d5412a4e58ce948c3609b07988

SHA512
40782bcfba1683ce97eed0fb8aef4eaa6b2e727609606ae118bebe274632c9c13f8ac6db7dba22d3a0b111ec25cf75ee36afd2bb49631c95d017ff530b05ee93

Download Submit
\Windows\SysWOW64\259400880.txt

Filesize
899KB

MD5
019ed0e3eb9d7c52f6a058d7597f5e8f

SHA1
60e760b26b4c33cebb427a5f347bf00b3cd258a4

SHA256
c9d19de1aeb80c825b3bb38356b723841a06c62d65cb0a62e198b7aab94081d2

SHA512
9246e4e57bba11881acd03726e6fb71b72dace6ed5aad03972db383127505bc3aa63824b9f27db51cf27a830da2c15e383f853a72ea7333d1e78874898713989

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2656-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2668-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2668-49-0x0000000010000000-0x00000000101B6000-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