gh0strat | cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9

Analysis

max time kernel
151s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20230824-en
resource tags

arch:x64arch:x86image:win10v2004-20230824-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2023, 13:05

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General

Target

cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe
Size

2.5MB
MD5

c39703887b3bb692f7939daf9a68910d
SHA1

19d6d2de01fd72c6532974d54cb67cfdc00ddff5
SHA256

cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9
SHA512

007f5b049f37277296398908185bcc462f07d261e6b63d4d9894fc1b99245b905d4c26f16ac50bd7d37ba4e3150c3bc3baabeb610b208e89f8629fc8a84edefb
SSDEEP

49152:0CwsbCANnKXferL7Vwe/Gg0P+WhwaH+Zyn2k:Xws2ANnKXOaeOgmhwaSyn2k

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4532-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4532-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2148-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2148-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2148-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4532-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2148-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1604-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1604-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1604-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 15 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023006-5.dat	family_gh0strat
behavioral2/memory/4532-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4532-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0006000000023006-22.dat	family_gh0strat
behavioral2/files/0x0006000000023006-21.dat	family_gh0strat
behavioral2/memory/2148-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2148-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2148-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4532-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2148-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1604-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1604-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1604-54-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1604-56-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0006000000023006-60.dat	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

Sets DLL path for service in the 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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240647968.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 5 IoCs

pid	Process
1852	R.exe
4532	N.exe
2148	TXPlatfor.exe
1604	TXPlatfor.exe
4808	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1852	R.exe
4580	svchost.exe
4808	Remote Data.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4532-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4532-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4532-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2148-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2148-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2148-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2148-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4532-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2148-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1604-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1604-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1604-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1604-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240647968.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.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
3928	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1604	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4532	N.exe
Token: SeLoadDriverPrivilege	1604	TXPlatfor.exe
Token: 33	1604	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1604	TXPlatfor.exe
Token: 33	1604	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1604	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2028	cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe
2028	cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1852	2028	cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe	85
PID 2028 wrote to memory of 1852	2028	cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe	85
PID 2028 wrote to memory of 1852	2028	cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe	85
PID 2028 wrote to memory of 4532	2028	cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe	87
PID 2028 wrote to memory of 4532	2028	cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe	87
PID 2028 wrote to memory of 4532	2028	cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe	87
PID 4532 wrote to memory of 548	4532	N.exe	92
PID 4532 wrote to memory of 548	4532	N.exe	92
PID 4532 wrote to memory of 548	4532	N.exe	92
PID 2148 wrote to memory of 1604	2148	TXPlatfor.exe	93
PID 2148 wrote to memory of 1604	2148	TXPlatfor.exe	93
PID 2148 wrote to memory of 1604	2148	TXPlatfor.exe	93
PID 548 wrote to memory of 3928	548	cmd.exe	95
PID 548 wrote to memory of 3928	548	cmd.exe	95
PID 548 wrote to memory of 3928	548	cmd.exe	95
PID 4580 wrote to memory of 4808	4580	svchost.exe	96
PID 4580 wrote to memory of 4808	4580	svchost.exe	96
PID 4580 wrote to memory of 4808	4580	svchost.exe	96

C:\Users\Admin\AppData\Local\Temp\cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe
"C:\Users\Admin\AppData\Local\Temp\cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028
- 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:1852
- 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:4532
- - 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:548
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3928

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4996

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:4580
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240647968.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4808

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2148
- 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:1604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2.5MB

MD5
c39703887b3bb692f7939daf9a68910d

SHA1
19d6d2de01fd72c6532974d54cb67cfdc00ddff5

SHA256
cdd5f5e442c05bbe29f0aa009a1102850981829dc9952f2a5728057babc34df9

SHA512
007f5b049f37277296398908185bcc462f07d261e6b63d4d9894fc1b99245b905d4c26f16ac50bd7d37ba4e3150c3bc3baabeb610b208e89f8629fc8a84edefb

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\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\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240647968.txt

Filesize
899KB

MD5
39adcdc6ff31636af29ecaa6c1dc6f67

SHA1
93ed913ede45692d39fdf016d52c87ba11d73b55

SHA256
63a0c92fe97f10872048289c5a65059c42e2f51b973781bca919cf80b6310b8b

SHA512
1e5d543dd8946149acb05fb52e66b112edd21a2ce65fb35be07b024f7fb49f49c99c52dcd803d5e828e130bc8eb387f19bb19f7991c330bf43980e8ca5dd7574

Download Submit
C:\Windows\SysWOW64\240647968.txt

Filesize
899KB

MD5
39adcdc6ff31636af29ecaa6c1dc6f67

SHA1
93ed913ede45692d39fdf016d52c87ba11d73b55

SHA256
63a0c92fe97f10872048289c5a65059c42e2f51b973781bca919cf80b6310b8b

SHA512
1e5d543dd8946149acb05fb52e66b112edd21a2ce65fb35be07b024f7fb49f49c99c52dcd803d5e828e130bc8eb387f19bb19f7991c330bf43980e8ca5dd7574

Download Submit
C:\Windows\SysWOW64\240647968.txt

Filesize
899KB

MD5
39adcdc6ff31636af29ecaa6c1dc6f67

SHA1
93ed913ede45692d39fdf016d52c87ba11d73b55

SHA256
63a0c92fe97f10872048289c5a65059c42e2f51b973781bca919cf80b6310b8b

SHA512
1e5d543dd8946149acb05fb52e66b112edd21a2ce65fb35be07b024f7fb49f49c99c52dcd803d5e828e130bc8eb387f19bb19f7991c330bf43980e8ca5dd7574

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\??\c:\windows\SysWOW64\240647968.txt

Filesize
899KB

MD5
39adcdc6ff31636af29ecaa6c1dc6f67

SHA1
93ed913ede45692d39fdf016d52c87ba11d73b55

SHA256
63a0c92fe97f10872048289c5a65059c42e2f51b973781bca919cf80b6310b8b

SHA512
1e5d543dd8946149acb05fb52e66b112edd21a2ce65fb35be07b024f7fb49f49c99c52dcd803d5e828e130bc8eb387f19bb19f7991c330bf43980e8ca5dd7574

Download Submit
memory/1604-56-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1604-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1604-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1604-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2148-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2148-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2148-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2148-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2148-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4532-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4532-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4532-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4532-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads