gh0strat | 27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa

General

Target

27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
Size

2.7MB
MD5

3286b1c9f5dd396fefa0632511dece15
SHA1

ac4eed514916ff86b6a2a29535d987e94f023942
SHA256

27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa
SHA512

ca40d1ef1f8d03b85a0b36ed9089293ceb7eac31d9f3b769cae50f475829cc9fea71c11644a74907ff539b70e510f2fa4efba4e53dc2397b58faecab553fee7c
SSDEEP

49152:YCwsbCANnKXferL7Vwe/Gg0P+WhBan2a4R3Uw:zws2ANnKXOaeOgmhBan2a4P

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/984-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/984-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/984-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1644-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1644-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1688-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1688-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1688-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000700000002357e-5.dat	family_gh0strat
behavioral2/memory/984-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/984-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/984-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1644-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1644-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1688-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1688-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1688-45-0x0000000010000000-0x00000000101B6000-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\\240598359.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
1620	R.exe
984	N.exe
1644	TXPlatfor.exe
2856	HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
1688	TXPlatfor.exe
2440	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1620	R.exe
3632	svchost.exe
2440	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/984-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/984-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/984-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/984-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1644-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1644-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1644-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1688-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1688-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1688-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\240598359.txt	R.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	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4260	2856	WerFault.exe	90

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2032	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1688	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	984	N.exe
Token: SeLoadDriverPrivilege	1688	TXPlatfor.exe
Token: 33	1688	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1688	TXPlatfor.exe
Token: 33	1688	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1688	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 1620	2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	83
PID 2852 wrote to memory of 1620	2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	83
PID 2852 wrote to memory of 1620	2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	83
PID 2852 wrote to memory of 984	2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	86
PID 2852 wrote to memory of 984	2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	86
PID 2852 wrote to memory of 984	2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	86
PID 984 wrote to memory of 1152	984	N.exe	89
PID 984 wrote to memory of 1152	984	N.exe	89
PID 984 wrote to memory of 1152	984	N.exe	89
PID 2852 wrote to memory of 2856	2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	90
PID 2852 wrote to memory of 2856	2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	90
PID 2852 wrote to memory of 2856	2852	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	90
PID 1644 wrote to memory of 1688	1644	TXPlatfor.exe	91
PID 1644 wrote to memory of 1688	1644	TXPlatfor.exe	91
PID 1644 wrote to memory of 1688	1644	TXPlatfor.exe	91
PID 1152 wrote to memory of 2032	1152	cmd.exe	96
PID 1152 wrote to memory of 2032	1152	cmd.exe	96
PID 1152 wrote to memory of 2032	1152	cmd.exe	96
PID 3632 wrote to memory of 2440	3632	svchost.exe	102
PID 3632 wrote to memory of 2440	3632	svchost.exe	102
PID 3632 wrote to memory of 2440	3632	svchost.exe	102

C:\Users\Admin\AppData\Local\Temp\27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
"C:\Users\Admin\AppData\Local\Temp\27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2852
- 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:1620
- 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:984
- - 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:1152
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2032
- C:\Users\Admin\AppData\Local\Temp\HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
  C:\Users\Admin\AppData\Local\Temp\HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
  2⤵
  - Executes dropped EXE
  PID:2856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 264
    3⤵
    - Program crash
    PID:4260

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4888

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:3632
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240598359.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2440

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1644
- 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:1688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2856 -ip 2856
1⤵
PID:2556

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_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe

Filesize
241KB

MD5
8fc872149f0b8d2fb3d75c4076c0a8ca

SHA1
d31cf6784649d805f7a994c9e9b72ffb2e1920dc

SHA256
869448b4fcd15473fe4fdc9dbbf05fcfa154b854231cce94858b4bd7b196c13a

SHA512
77a225866574c2ae296e61db1aefd193d5766a1df0e5b36c7bac657958bdfdc7ccfff85fe2b3e7ccbbdb482ee82b1fabc753042494b16be0df74ea96d87e65c6

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

Filesize
2.5MB

MD5
baca6f8b6a0097ec6955909b1a4deff4

SHA1
0796ff7210d1a6bce75332901bf0de7ba976f69a

SHA256
33338af390cbff7fd52e5a8d04b9afc5fd36130c60c454a5cb65bc44f1fb4dd2

SHA512
6846abae2cfbc0aadc65c36f65e074328c047150823eebe26966562164ce08c7a835c4d622d58f08e034ba0fb1ecbb92543a1269e813a3cceacbadff23c830c5

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\240598359.txt

Filesize
899KB

MD5
7de205f195ef29cd359eb618baaea7ff

SHA1
94505db7f9bfe15b7dcb390999934768715fc4b1

SHA256
3f4465ffc00684119de1c44f01a770e7c0614fb2aa51b9f95cfadf9740cc8f57

SHA512
030aad39b1a901e2a2f9e189c66c55d22242dc3773cd41339ec6e31eb374ba1cdcf3c36620329183580aad27a7933b077b367cb4efd7df65a05b0707b4cef1be

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/984-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/984-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/984-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/984-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1644-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1644-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1644-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1688-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1688-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1688-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads