gh0strat | a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e

General

Target

a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
Size

3.3MB
MD5

d5f42dce7aab3140d26a1ae53ab70f90
SHA1

ad74a58814f7326c003926ef6fbde4ade3376d22
SHA256

a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e
SHA512

cc3e164e49a9709702aa867a8c22de7dcab3190fe5c0b291b7f7d0a3a4a8bc23d5bf59d6512e582f55aa55bba9c98ec7b12d4fc1b959c77238061487b72e46e0
SSDEEP

49152:3jwsbCANnKXferL7Vwe/Gg0P+WhWXbiuqHjNee:Tws2ANnKXOaeOgmhWrTmjNee

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/220-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/220-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4572-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4572-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4880-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4880-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4880-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023423-5.dat	family_gh0strat
behavioral2/memory/220-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/220-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4572-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4572-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4880-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4880-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4880-44-0x0000000010000000-0x00000000101B6000-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

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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240603781.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 6 IoCs

pid	Process
1148	R.exe
220	N.exe
4572	TXPlatfor.exe
4880	TXPlatfor.exe
1992	HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
1356	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1148	R.exe
1428	svchost.exe
1356	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/220-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4572-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4572-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4572-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4880-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4880-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4880-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240603781.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

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.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

pid	Process
3324	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4880	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	220	N.exe
Token: SeLoadDriverPrivilege	4880	TXPlatfor.exe
Token: 33	4880	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4880	TXPlatfor.exe
Token: 33	4880	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4880	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
1992	HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
1992	HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 1148	3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	81
PID 3080 wrote to memory of 1148	3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	81
PID 3080 wrote to memory of 1148	3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	81
PID 3080 wrote to memory of 220	3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	84
PID 3080 wrote to memory of 220	3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	84
PID 3080 wrote to memory of 220	3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	84
PID 220 wrote to memory of 2588	220	N.exe	86
PID 220 wrote to memory of 2588	220	N.exe	86
PID 220 wrote to memory of 2588	220	N.exe	86
PID 4572 wrote to memory of 4880	4572	TXPlatfor.exe	87
PID 4572 wrote to memory of 4880	4572	TXPlatfor.exe	87
PID 4572 wrote to memory of 4880	4572	TXPlatfor.exe	87
PID 3080 wrote to memory of 1992	3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	88
PID 3080 wrote to memory of 1992	3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	88
PID 3080 wrote to memory of 1992	3080	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	88
PID 2588 wrote to memory of 3324	2588	cmd.exe	90
PID 2588 wrote to memory of 3324	2588	cmd.exe	90
PID 2588 wrote to memory of 3324	2588	cmd.exe	90
PID 1428 wrote to memory of 1356	1428	svchost.exe	91
PID 1428 wrote to memory of 1356	1428	svchost.exe	91
PID 1428 wrote to memory of 1356	1428	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
"C:\Users\Admin\AppData\Local\Temp\a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:1148
- 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:220
- - 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:2588
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3324
- C:\Users\Admin\AppData\Local\Temp\HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
  C:\Users\Admin\AppData\Local\Temp\HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1992

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4912

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:1428
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240603781.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1356

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4572
- 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:4880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

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
2.4MB

MD5
1c20f9019b20d6c63927a86f46eaef66

SHA1
2d0c7e551bf0fd97972edc3b74b1e8cdca761da8

SHA256
588fb671e513488d15e2905aa705235d5a0bfca4f9dd9611ffeb22ae68b8d65d

SHA512
075b8c785c4daf62d2e57a488c504d3f5a4c600e4e638023642dc240c35a750adcd73666a696c0f2767d25c5070928685932c7bdc56c06d0ad4baaa98231dc4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe

Filesize
964KB

MD5
270a2384570f9caa83c61bc8920fd1e4

SHA1
a975d2eed3a7f2f11cb2c569847618e049214aea

SHA256
e95269c310ba98afda0456b58a11e77d736149ae7f0474bc640a77590afe42bb

SHA512
218d6bcaca127f08b923202b0b09c0db445e275bdd21acc3789060c0ca25443194ec9a09fcd1aba5ad1855d69f2113f062b89239b6c2e96c21331701f98745d3

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\240603781.txt

Filesize
899KB

MD5
ac23212ecff034d7ab33a4b8741f153c

SHA1
54a829ade23f96dec0335edd0b0bd5a5f96893c5

SHA256
4afed47035363fc5d0d9cef817ef3e8613cf5371e45e87e29d92fde68035af3c

SHA512
12125379441aee88af865b1f78fc05d5e7381d410ce6310b8702353f31f1b65208d1dcf6455ee43242c19ac0f1cc30ddb797f279c0a80c757d61aa8ceadc3567

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/220-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/220-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/220-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4572-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4572-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4572-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4880-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4880-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4880-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads