gh0strat | b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d

General

Target

b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe
Size

2.5MB
MD5

bf8ec257e90cbeaf5706520f0664af66
SHA1

020bcf401214e24573003b44f11bb4145afa8032
SHA256

b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d
SHA512

e09edfab4f0fda54004bd1c8fe7677611269cdd8933b0a4eef230264176a23b0a6068058942c35eb6a005fdb158c5fde44542ead2acd820bc16695be0a737057
SSDEEP

24576:YCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHJ:YCwsbCANnKXferL7Vwe/Gg0P+WhVA

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2684-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2320-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2320-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2320-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259403048.txt	family_gh0strat
behavioral1/memory/2684-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2684-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2320-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2320-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2320-43-0x0000000010000000-0x00000000101B6000-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\\259403048.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 5 IoCs

Processes:

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

pid process

2572 R.exe
2684 N.exe
2520 TXPlatfor.exe
2320 TXPlatfor.exe
1728 Remote Data.exe

pid	process
2572	R.exe
2684	N.exe
2520	TXPlatfor.exe
2320	TXPlatfor.exe
1728	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe
2572	R.exe
2532	svchost.exe
2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe
2520	TXPlatfor.exe
2532	svchost.exe
1728	Remote Data.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2684-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2684-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2684-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2320-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2320-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2320-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259403048.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2388 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2320 TXPlatfor.exe

pid	process
2388	PING.EXE

pid	process
2320	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2684	N.exe
Token: SeLoadDriverPrivilege	2320	TXPlatfor.exe
Token: 33	2320	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2320	TXPlatfor.exe
Token: 33	2320	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2320	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe

pid	process
2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe
2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2180 wrote to memory of 2572	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	R.exe
PID 2180 wrote to memory of 2572	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	R.exe
PID 2180 wrote to memory of 2572	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	R.exe
PID 2180 wrote to memory of 2572	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	R.exe
PID 2180 wrote to memory of 2684	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	N.exe
PID 2180 wrote to memory of 2684	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	N.exe
PID 2180 wrote to memory of 2684	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	N.exe
PID 2180 wrote to memory of 2684	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	N.exe
PID 2180 wrote to memory of 2684	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	N.exe
PID 2180 wrote to memory of 2684	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	N.exe
PID 2180 wrote to memory of 2684	2180	b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe	N.exe
PID 2684 wrote to memory of 2224	2684	N.exe	cmd.exe
PID 2684 wrote to memory of 2224	2684	N.exe	cmd.exe
PID 2684 wrote to memory of 2224	2684	N.exe	cmd.exe
PID 2684 wrote to memory of 2224	2684	N.exe	cmd.exe
PID 2520 wrote to memory of 2320	2520	TXPlatfor.exe	TXPlatfor.exe
PID 2520 wrote to memory of 2320	2520	TXPlatfor.exe	TXPlatfor.exe
PID 2520 wrote to memory of 2320	2520	TXPlatfor.exe	TXPlatfor.exe
PID 2520 wrote to memory of 2320	2520	TXPlatfor.exe	TXPlatfor.exe
PID 2520 wrote to memory of 2320	2520	TXPlatfor.exe	TXPlatfor.exe
PID 2520 wrote to memory of 2320	2520	TXPlatfor.exe	TXPlatfor.exe
PID 2520 wrote to memory of 2320	2520	TXPlatfor.exe	TXPlatfor.exe
PID 2224 wrote to memory of 2388	2224	cmd.exe	PING.EXE
PID 2224 wrote to memory of 2388	2224	cmd.exe	PING.EXE
PID 2224 wrote to memory of 2388	2224	cmd.exe	PING.EXE
PID 2224 wrote to memory of 2388	2224	cmd.exe	PING.EXE
PID 2532 wrote to memory of 1728	2532	svchost.exe	Remote Data.exe
PID 2532 wrote to memory of 1728	2532	svchost.exe	Remote Data.exe
PID 2532 wrote to memory of 1728	2532	svchost.exe	Remote Data.exe
PID 2532 wrote to memory of 1728	2532	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe
"C:\Users\Admin\AppData\Local\Temp\b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2180
- 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:2572
- 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:2684
- - 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:2224
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2388

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3068

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:2532
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259403048.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1728

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2520
- 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:2320

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

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Downloads

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

Filesize
2.5MB

MD5
bf8ec257e90cbeaf5706520f0664af66

SHA1
020bcf401214e24573003b44f11bb4145afa8032

SHA256
b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d

SHA512
e09edfab4f0fda54004bd1c8fe7677611269cdd8933b0a4eef230264176a23b0a6068058942c35eb6a005fdb158c5fde44542ead2acd820bc16695be0a737057

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259403048.txt

Filesize
899KB

MD5
f49513e96c97bf21923844f4287d6fb4

SHA1
2cc491b33b0f7d71ecfafcf4a60f492923f0cc59

SHA256
f82419ece098806605ce82f2f9492aeb1e6ca036e7d314f61b06a3d61e2e46a8

SHA512
ba79e9bcc201fc439fb9bf9271ca59674aa9500cff8a875e8a022dc0be8808182a8a90728eb262ec5c752868f82a12a6c42aa9a7cbf1cabb48b31c1c0cd5ba5f

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2320-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2320-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2320-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads