gh0strat | 27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 15:38

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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 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2620-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2620-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2504-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2504-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2504-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x003000000001233b-6.dat	family_gh0strat
behavioral1/memory/2620-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2504-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2504-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2504-57-0x0000000010000000-0x00000000101B6000-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\\259391738.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
2856	R.exe
2620	N.exe
2540	TXPlatfor.exe
2504	TXPlatfor.exe
2288	HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
1364	Remote Data.exe

Loads dropped DLL 16 IoCs

pid	Process
1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
2856	R.exe
2972	svchost.exe
1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
2540	TXPlatfor.exe
1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
2464	WerFault.exe
2464	WerFault.exe
2464	WerFault.exe
2464	WerFault.exe
2464	WerFault.exe
2464	WerFault.exe
2464	WerFault.exe
2972	svchost.exe
1364	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2620-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2504-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2504-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2504-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259391738.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2464	2288	WerFault.exe	36

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2156	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2504	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2620	N.exe
Token: SeLoadDriverPrivilege	2504	TXPlatfor.exe
Token: 33	2504	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2504	TXPlatfor.exe
Token: 33	2504	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2504	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 2856	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	28
PID 1664 wrote to memory of 2856	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	28
PID 1664 wrote to memory of 2856	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	28
PID 1664 wrote to memory of 2856	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	28
PID 1664 wrote to memory of 2620	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	31
PID 1664 wrote to memory of 2620	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	31
PID 1664 wrote to memory of 2620	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	31
PID 1664 wrote to memory of 2620	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	31
PID 1664 wrote to memory of 2620	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	31
PID 1664 wrote to memory of 2620	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	31
PID 1664 wrote to memory of 2620	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	31
PID 2620 wrote to memory of 2448	2620	N.exe	33
PID 2620 wrote to memory of 2448	2620	N.exe	33
PID 2620 wrote to memory of 2448	2620	N.exe	33
PID 2620 wrote to memory of 2448	2620	N.exe	33
PID 2540 wrote to memory of 2504	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2504	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2504	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2504	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2504	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2504	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2504	2540	TXPlatfor.exe	35
PID 1664 wrote to memory of 2288	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	36
PID 1664 wrote to memory of 2288	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	36
PID 1664 wrote to memory of 2288	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	36
PID 1664 wrote to memory of 2288	1664	27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	36
PID 2288 wrote to memory of 2464	2288	HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	37
PID 2288 wrote to memory of 2464	2288	HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	37
PID 2288 wrote to memory of 2464	2288	HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	37
PID 2288 wrote to memory of 2464	2288	HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe	37
PID 2448 wrote to memory of 2156	2448	cmd.exe	38
PID 2448 wrote to memory of 2156	2448	cmd.exe	38
PID 2448 wrote to memory of 2156	2448	cmd.exe	38
PID 2448 wrote to memory of 2156	2448	cmd.exe	38
PID 2972 wrote to memory of 1364	2972	svchost.exe	39
PID 2972 wrote to memory of 1364	2972	svchost.exe	39
PID 2972 wrote to memory of 1364	2972	svchost.exe	39
PID 2972 wrote to memory of 1364	2972	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
"C:\Users\Admin\AppData\Local\Temp\27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1664
- 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:2856
- 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:2620
- - 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:2448
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2156
- C:\Users\Admin\AppData\Local\Temp\HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
  C:\Users\Admin\AppData\Local\Temp\HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 88
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2464

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3048

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:2972
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259391738.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1364

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2540
- 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:2504

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2.5MB

MD5
baca6f8b6a0097ec6955909b1a4deff4

SHA1
0796ff7210d1a6bce75332901bf0de7ba976f69a

SHA256
33338af390cbff7fd52e5a8d04b9afc5fd36130c60c454a5cb65bc44f1fb4dd2

SHA512
6846abae2cfbc0aadc65c36f65e074328c047150823eebe26966562164ce08c7a835c4d622d58f08e034ba0fb1ecbb92543a1269e813a3cceacbadff23c830c5

Download Submit
\Users\Admin\AppData\Local\Temp\HD_27a65042e1d87702f9e979fcf17af460500719fe9b0ff711bd149f0565c238fa.exe

Filesize
241KB

MD5
8fc872149f0b8d2fb3d75c4076c0a8ca

SHA1
d31cf6784649d805f7a994c9e9b72ffb2e1920dc

SHA256
869448b4fcd15473fe4fdc9dbbf05fcfa154b854231cce94858b4bd7b196c13a

SHA512
77a225866574c2ae296e61db1aefd193d5766a1df0e5b36c7bac657958bdfdc7ccfff85fe2b3e7ccbbdb482ee82b1fabc753042494b16be0df74ea96d87e65c6

Download Submit
\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259391738.txt

Filesize
899KB

MD5
7de205f195ef29cd359eb618baaea7ff

SHA1
94505db7f9bfe15b7dcb390999934768715fc4b1

SHA256
3f4465ffc00684119de1c44f01a770e7c0614fb2aa51b9f95cfadf9740cc8f57

SHA512
030aad39b1a901e2a2f9e189c66c55d22242dc3773cd41339ec6e31eb374ba1cdcf3c36620329183580aad27a7933b077b367cb4efd7df65a05b0707b4cef1be

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2504-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2504-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2504-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download