gh0strat | d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599

General

Target

d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
Size

14.2MB
MD5

0998b1439239b7b23ad0d16f74d21c0f
SHA1

41f07f06c65cc742fa16db0c8294260201a11098
SHA256

d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599
SHA512

005fc38061524f9aeaaeeeae6c45341d4ce8b3c1cac546226b358778568099d64f85dd092fbf04b01e17d52a9f5716eaf261dab4061f0748c5a513d86f81f6dd
SSDEEP

196608:KKXbeO7VebPn/DJTjomjebxd6IzHJbKIetP8H+VF83YHlxg4Pcn8X9LiAUbrY1:X7w/LBe9dlzHgrtPL1FucLiAUm

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/4664-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4664-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4664-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1564-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1564-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/748-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/748-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/748-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240605656.txt	family_gh0strat
behavioral2/memory/4664-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4664-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4664-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1564-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1564-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/748-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/748-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/748-42-0x0000000010000000-0x00000000101B6000-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\\240605656.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_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exeRemote Data.exe

pid	process
5000	R.exe
4664	N.exe
1564	TXPlatfor.exe
748	TXPlatfor.exe
516	HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
2560	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

5000 R.exe
220 svchost.exe
2560 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/4664-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4664-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4664-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4664-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1564-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1564-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1564-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/748-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/748-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/748-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240605656.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

Drops file in Program Files directory 1 IoCs

Processes:

d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.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

4380 PING.EXE

pid	process
4380	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exeHD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe

pid	process
32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
516	HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
516	HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

748 TXPlatfor.exe

pid	process
748	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4664	N.exe
Token: SeLoadDriverPrivilege	748	TXPlatfor.exe
Token: 33	748	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	748	TXPlatfor.exe
Token: 33	748	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	748	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exeHD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe

pid	process
32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
516	HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
516	HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 32 wrote to memory of 5000	32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe	R.exe
PID 32 wrote to memory of 5000	32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe	R.exe
PID 32 wrote to memory of 5000	32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe	R.exe
PID 32 wrote to memory of 4664	32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe	N.exe
PID 32 wrote to memory of 4664	32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe	N.exe
PID 32 wrote to memory of 4664	32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe	N.exe
PID 4664 wrote to memory of 780	4664	N.exe	cmd.exe
PID 4664 wrote to memory of 780	4664	N.exe	cmd.exe
PID 4664 wrote to memory of 780	4664	N.exe	cmd.exe
PID 1564 wrote to memory of 748	1564	TXPlatfor.exe	TXPlatfor.exe
PID 1564 wrote to memory of 748	1564	TXPlatfor.exe	TXPlatfor.exe
PID 1564 wrote to memory of 748	1564	TXPlatfor.exe	TXPlatfor.exe
PID 32 wrote to memory of 516	32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe	HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
PID 32 wrote to memory of 516	32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe	HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
PID 32 wrote to memory of 516	32	d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe	HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
PID 780 wrote to memory of 4380	780	cmd.exe	PING.EXE
PID 780 wrote to memory of 4380	780	cmd.exe	PING.EXE
PID 780 wrote to memory of 4380	780	cmd.exe	PING.EXE
PID 220 wrote to memory of 2560	220	svchost.exe	Remote Data.exe
PID 220 wrote to memory of 2560	220	svchost.exe	Remote Data.exe
PID 220 wrote to memory of 2560	220	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
"C:\Users\Admin\AppData\Local\Temp\d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:32
- 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:5000
- 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:4664
- - 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:780
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4380
- C:\Users\Admin\AppData\Local\Temp\HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
  C:\Users\Admin\AppData\Local\Temp\HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:516

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1368

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:220
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240605656.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2560

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1564
- 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:748

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

Replay Monitor

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Downloads

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

Filesize
2.4MB

MD5
b2f5a3b8f13e6a2da2aa0c4ee8e1d2af

SHA1
717cdac23a83ec7952ab94d928ab8bf8e28e5f99

SHA256
a1bb87fe4ad64036193a00d7c99d7468187ad4994e0abf3f0de1196436ccc072

SHA512
32d42c8b7580c7c537869c4a204322ccd5cd6e4d56731a18e89f97416a2206c3d075f2c5e9a636f86cd5c2d68469149a1992f4d8afc21206953238f17eaa1cae

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_d28df170d1f2b91124a8dc42d0df6c4c3d1ba3ffc5a34a7339d11533c6b14599.exe

Filesize
11.8MB

MD5
bed0880a29132bfe25db65e8792065d4

SHA1
a7ffc402d267da5b2a5becccca005329bf5c803c

SHA256
e29ab88a0fef9851ada8747a3fde18891487390301e3c0628afbfcc07ee41931

SHA512
bfc2fb837d4f81184ea9a68600e86c64cba4521a2a3419fd0ee85f3428d8f2d9314a191716fd411a61248244d822d9bf768fde9767cd61466318f652b89ea468

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:\Users\Admin\AppData\Local\Yodao\DeskDict\config.ini

Filesize
2KB

MD5
d50faabf295be7d68717d5fae69bccbe

SHA1
b5114e64fdc267ff09eeee9d5f42037dee0d2e46

SHA256
95374d68a46f07f7f2a52f3cac6e35e971237a462dae9f7ec0091aaf41422443

SHA512
de32e2e91e709ea4f00688b1d2c5dee4c07ebddc6f4d3b6216dbbbc95c9372bd8788ea45d0a1e8b17c4d4dbd5ab27effacea5a721390676476a9126df183111a

Download Submit
C:\Users\Admin\AppData\Local\Yodao\DeskDict\config.ini

Filesize
1KB

MD5
18262f453b9b7ad6cf4c717d8158287e

SHA1
b79604161cca4d7c10ea1b09c806519ef927d92e

SHA256
07586f895f92a8e53c306340a79d40a98fc768bf35fc164f43b85265a3494192

SHA512
c48d5eb6ece50dc5b18c772d9f31461186471ad8cdb7e3622a2c73b6c107d6b38109f1f446bf73189a4d74a4dfb6a92f40ad18e442216c92bc4cfe311e27cc05

Download Submit
C:\Windows\SysWOW64\240605656.txt

Filesize
899KB

MD5
434d246cfa3a9d6d3bfbeba976570788

SHA1
6d9d781f712ed7d3ec29615a201828e129242300

SHA256
d494448ecbed14d5edb4c1ecbe34d63a80fe032a8eafe35ce87f1f9b196e4a40

SHA512
17da63b32365be3d9e4db4881bccc09cb73725c96b72d6f8e0d3a85206df1cf444b74531ea65feccf58cad1e05a57e60cc1757fc18ec5b5fad1574e132a960d8

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/748-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/748-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/748-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1564-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1564-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1564-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4664-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4664-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4664-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4664-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads