gh0strat | 4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d

General

Target

4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
Size

2.9MB
MD5

6ace6a45d7d7163b973bb893702234a1
SHA1

cb91448290fcb8d099d3cefc6b1b5554dc778038
SHA256

4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d
SHA512

e05c49189a5b70fa715fc0fe56e586a00de5836ef37a96ac0e0d4713e0c7ce09f7b9764a8af7075b84417ad1b29997bcee2bbd308c1772595e0e211fb75e4241
SSDEEP

49152:UCwsbCANnKXferL7Vwe/Gg0P+WhSGdcFK:3ws2ANnKXOaeOgmhSGd

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/2456-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2456-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3740-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3740-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2456-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1584-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1584-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1584-58-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240602921.txt	family_gh0strat
behavioral2/memory/2456-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2456-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2456-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3740-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3740-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2456-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1584-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1584-56-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1584-58-0x0000000010000000-0x00000000101B6000-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\\240602921.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_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exeRemote Data.exe

pid	process
1844	R.exe
2456	N.exe
3740	TXPlatfor.exe
1584	TXPlatfor.exe
4108	HD_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
4732	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

1844 R.exe
2424 svchost.exe
4732 Remote Data.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2456-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2456-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2456-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2456-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3740-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3740-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3740-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2456-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-58-0x0000000010000000-0x00000000101B6000-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\240602921.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:

4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.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

2604 PING.EXE

pid	process
2604	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe

pid	process
2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

1584 TXPlatfor.exe

pid	process
1584	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2456	N.exe
Token: SeLoadDriverPrivilege	1584	TXPlatfor.exe
Token: 33	1584	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1584	TXPlatfor.exe
Token: 33	1584	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1584	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe

pid	process
2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2000 wrote to memory of 1844	2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe	R.exe
PID 2000 wrote to memory of 1844	2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe	R.exe
PID 2000 wrote to memory of 1844	2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe	R.exe
PID 2000 wrote to memory of 2456	2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe	N.exe
PID 2000 wrote to memory of 2456	2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe	N.exe
PID 2000 wrote to memory of 2456	2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe	N.exe
PID 2456 wrote to memory of 2280	2456	N.exe	cmd.exe
PID 2456 wrote to memory of 2280	2456	N.exe	cmd.exe
PID 2456 wrote to memory of 2280	2456	N.exe	cmd.exe
PID 3740 wrote to memory of 1584	3740	TXPlatfor.exe	TXPlatfor.exe
PID 3740 wrote to memory of 1584	3740	TXPlatfor.exe	TXPlatfor.exe
PID 3740 wrote to memory of 1584	3740	TXPlatfor.exe	TXPlatfor.exe
PID 2000 wrote to memory of 4108	2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe	HD_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
PID 2000 wrote to memory of 4108	2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe	HD_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
PID 2000 wrote to memory of 4108	2000	4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe	HD_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
PID 2280 wrote to memory of 2604	2280	cmd.exe	PING.EXE
PID 2280 wrote to memory of 2604	2280	cmd.exe	PING.EXE
PID 2280 wrote to memory of 2604	2280	cmd.exe	PING.EXE
PID 2424 wrote to memory of 4732	2424	svchost.exe	Remote Data.exe
PID 2424 wrote to memory of 4732	2424	svchost.exe	Remote Data.exe
PID 2424 wrote to memory of 4732	2424	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
"C:\Users\Admin\AppData\Local\Temp\4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000
- 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:1844
- 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:2456
- - 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:2280
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2604
- C:\Users\Admin\AppData\Local\Temp\HD_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
  C:\Users\Admin\AppData\Local\Temp\HD_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
  2⤵
  - Executes dropped EXE
  PID:4108

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4628

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:2424
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240602921.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4732

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3740
- 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:1584

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_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe

Filesize
420KB

MD5
bb21fcf06007534eef2520e08aded19b

SHA1
067cf5715cdc58f39f65bfa0a7710f9ee950e43a

SHA256
752310af5ab65135a790644c2311d0ba1114cfd4587a137d2ae0944ed7415edc

SHA512
0c21d9aef9bc0acd94d7328bd0653b18012e0ca7d8645e4d6ff80af1a60b2b91f947bd1ed7292d912da3d48f57620fa53efca842f422fb734a780ff6585523b5

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

Filesize
2.5MB

MD5
fb0c5ba935dcb806d92b1a2518ae0b60

SHA1
1ad998b5c9e31ed95bb2df3acf191bd0069e38cf

SHA256
0606549c4058ca956aec0a1cfae41d2635d0d6b8e81c427e7923df16f5feebe0

SHA512
dbd5914b08af885e60506f790a7d5ecf1d2653d7cbca8cebf2fcb306a5b6bade262ce8ac55e2b0d983547290bda67c6f61352fd1bc4aaa665bd06855a1dbe19c

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\240602921.txt

Filesize
899KB

MD5
930b00702692903ceb645b97920efb58

SHA1
d9e1ab1914b64835d7108a902980e85b0f812e06

SHA256
7a9399957412e5b5743154e44a838d1cddd9e8f366417ceab2ba6c1bc3229714

SHA512
ce0aeb10bd06ae9751a960cd6a8025e87ee554cad9e11cf019758591324b444321b5a2de90396d96c53113a3efa4cea4d748db2f22e55feef059ee97db2d86ce

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1584-58-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1584-56-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1584-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2456-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2456-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2456-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2456-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2456-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3740-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3740-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3740-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads