gh0strat | 289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18

General

Target

289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe
Size

2.8MB
MD5

15483eaeb0b712393249df52d204c5ac
SHA1

3202f14ad598db2f6d6ff23bdfaf78ca743e5efa
SHA256

289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18
SHA512

9de4bc9f774e28da775fd31f3c4ba1c7218653940b89458904f64f29c477393eb22d9edb71ee08ad10c20ae77c2ea458bc4eaa8d1a7a5bd78d385f6c4da7429b
SSDEEP

49152:gCwsbCANnKXferL7Vwe/Gg0P+Wh5gYwFnu+mjBl:rws2ANnKXOaeOgmhy5FnWj

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/1136-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1136-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1136-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3028-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3028-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3556-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3556-58-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3556-59-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023ba7-5.dat	family_gh0strat
behavioral2/memory/1136-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1136-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1136-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3028-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3028-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3556-52-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3556-58-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3556-59-0x0000000010000000-0x00000000101B6000-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

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\\240599812.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
2716	R.exe
1136	N.exe
3028	TXPlatfor.exe
2084	HD_289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe
3556	TXPlatfor.exe
3984	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2716	R.exe
1084	svchost.exe
3984	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1136-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1136-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1136-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1136-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3028-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3028-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3028-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3556-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3556-58-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3556-59-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\F:	HD_289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\240599812.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	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	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.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
2596	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe
3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3556	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1136	N.exe
Token: SeLoadDriverPrivilege	3556	TXPlatfor.exe
Token: 33	3556	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3556	TXPlatfor.exe
Token: 33	3556	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3556	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe
3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 2716	3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe	84
PID 3696 wrote to memory of 2716	3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe	84
PID 3696 wrote to memory of 2716	3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe	84
PID 3696 wrote to memory of 1136	3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe	87
PID 3696 wrote to memory of 1136	3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe	87
PID 3696 wrote to memory of 1136	3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe	87
PID 1136 wrote to memory of 4424	1136	N.exe	89
PID 1136 wrote to memory of 4424	1136	N.exe	89
PID 1136 wrote to memory of 4424	1136	N.exe	89
PID 3696 wrote to memory of 2084	3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe	90
PID 3696 wrote to memory of 2084	3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe	90
PID 3696 wrote to memory of 2084	3696	289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe	90
PID 3028 wrote to memory of 3556	3028	TXPlatfor.exe	91
PID 3028 wrote to memory of 3556	3028	TXPlatfor.exe	91
PID 3028 wrote to memory of 3556	3028	TXPlatfor.exe	91
PID 4424 wrote to memory of 2596	4424	cmd.exe	93
PID 4424 wrote to memory of 2596	4424	cmd.exe	93
PID 4424 wrote to memory of 2596	4424	cmd.exe	93
PID 1084 wrote to memory of 3984	1084	svchost.exe	102
PID 1084 wrote to memory of 3984	1084	svchost.exe	102
PID 1084 wrote to memory of 3984	1084	svchost.exe	102

C:\Users\Admin\AppData\Local\Temp\289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe
"C:\Users\Admin\AppData\Local\Temp\289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3696
- 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:2716
- 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:1136
- - 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:4424
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2596
- C:\Users\Admin\AppData\Local\Temp\HD_289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe
  C:\Users\Admin\AppData\Local\Temp\HD_289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  PID:2084

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4928

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:1084
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240599812.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3984

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3028
- 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:3556

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

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_289b44b7f07ca878b5d8a6f2807524ea4532edbf19c24e2b65bc36d335a8eb18.exe

Filesize
323KB

MD5
fd0cf9289640832e24345aea8737a0fb

SHA1
00a282272a169e02f1fc2e29006c518ff6fc730e

SHA256
9375986e958cc04f65cc30bc56a2db418f61fdf36da66461c0e0370f17f1e7bc

SHA512
3a998440c820630c8f3518cb8797bb0b3a25a0cf3e3dcf0e966a316a195891153af17389036c30aa08dc44df4ff65f2773a7fa9a7f1a0c43db85188ed23d38ee

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

Filesize
2.5MB

MD5
953d8ca270621e3781dd71bf478ee62c

SHA1
6f7327f7b4bb9b8f2733b212fa85124e020c806a

SHA256
5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930

SHA512
76739439c0d802d46b7bc73b6dca6c4dbbac184ef2828e2cac19aa722be930971483f091dea74ddbd51cc951913fbe9f3c545908aa92fae666c6bc450f36689d

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\240599812.txt

Filesize
899KB

MD5
3e8a8ed5704007825acd7d23f1914c49

SHA1
e675054bcda70791625b774985712faec18cffe1

SHA256
4b1573a55e7412a517757d425d4c22e35e392060af235cbbc11f49b46095bf0d

SHA512
0312a68bdc7baa947deeb952969c69181a621d6657e00363b4b45257087bb49010775850850548ef5c99e047a3e7279817a861920b59e9509c7f30c362c2f2a0

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1136-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1136-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1136-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1136-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3028-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3028-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3028-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3556-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3556-58-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3556-59-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads