gh0strat | 86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-02-2024 19:42

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General

Target

86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe
Size

2.5MB
MD5

b3dae5efb6a62062ffd232631ac57e2f
SHA1

a7a44abeb2099edb70216c8f40f15c3d2cc4f46d
SHA256

86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b
SHA512

e63663b0a45c7032ab812038e255a51c6075f9585053d8220c1c1113ff8d5f9f8dd72a82f4aca738ad7ca72dd36031149d267ba12467da62c58a63782d220461
SSDEEP

24576:UCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHT:UCwsbCANnKXferL7Vwe/Gg0P+Wh6R2e

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
behavioral1/memory/2572-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2572-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2572-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2152-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014b6d-6.dat	family_gh0strat
behavioral1/memory/2572-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2572-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2572-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2152-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-48-0x0000000010000000-0x00000000101B6000-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\\259427010.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
2504	R.exe
2572	N.exe
2152	TXPlatfor.exe
2604	TXPlatfor.exe
1652	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe
2504	R.exe
2032	svchost.exe
1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe
2152	TXPlatfor.exe
2032	svchost.exe
1652	Remote Data.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2572-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2152-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259427010.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2456	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2604	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2572	N.exe
Token: SeLoadDriverPrivilege	2604	TXPlatfor.exe
Token: 33	2604	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2604	TXPlatfor.exe
Token: 33	2604	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2604	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe
1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 2504	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	28
PID 1288 wrote to memory of 2504	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	28
PID 1288 wrote to memory of 2504	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	28
PID 1288 wrote to memory of 2504	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	28
PID 1288 wrote to memory of 2572	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	31
PID 1288 wrote to memory of 2572	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	31
PID 1288 wrote to memory of 2572	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	31
PID 1288 wrote to memory of 2572	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	31
PID 1288 wrote to memory of 2572	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	31
PID 1288 wrote to memory of 2572	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	31
PID 1288 wrote to memory of 2572	1288	86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe	31
PID 2572 wrote to memory of 2540	2572	N.exe	33
PID 2572 wrote to memory of 2540	2572	N.exe	33
PID 2572 wrote to memory of 2540	2572	N.exe	33
PID 2572 wrote to memory of 2540	2572	N.exe	33
PID 2152 wrote to memory of 2604	2152	TXPlatfor.exe	35
PID 2152 wrote to memory of 2604	2152	TXPlatfor.exe	35
PID 2152 wrote to memory of 2604	2152	TXPlatfor.exe	35
PID 2152 wrote to memory of 2604	2152	TXPlatfor.exe	35
PID 2152 wrote to memory of 2604	2152	TXPlatfor.exe	35
PID 2152 wrote to memory of 2604	2152	TXPlatfor.exe	35
PID 2152 wrote to memory of 2604	2152	TXPlatfor.exe	35
PID 2540 wrote to memory of 2456	2540	cmd.exe	36
PID 2540 wrote to memory of 2456	2540	cmd.exe	36
PID 2540 wrote to memory of 2456	2540	cmd.exe	36
PID 2540 wrote to memory of 2456	2540	cmd.exe	36
PID 2032 wrote to memory of 1652	2032	svchost.exe	38
PID 2032 wrote to memory of 1652	2032	svchost.exe	38
PID 2032 wrote to memory of 1652	2032	svchost.exe	38
PID 2032 wrote to memory of 1652	2032	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe
"C:\Users\Admin\AppData\Local\Temp\86a0e8898311f38679ef2f90b900a445277990b3dae71da4badf0056eeed192b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1288
- 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:2504
- 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:2572
- - 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:2540
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2456

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2608

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:2032
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259427010.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1652

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2152
- 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:2604

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
220KB

MD5
c9bf50ad743455f75d35bd73ef7b269a

SHA1
2105ccf41684cb975d7a19dc116f5d8a3989ae3b

SHA256
c7eae4e5020bdebbcb8073f317e348604a0a3cd8448884d0c519c7079abd612f

SHA512
b06a8e05f2957cb00b17e24e5993a3fb28e4d765ba88d018d7fb0eae237420a60fdc07c424713aed34970773237f4f4ddc2104828efc52370a7c1b7f05f255bc

Download Submit
C:\Users\Admin\Desktop\MergeSync.exe

Filesize
2.8MB

MD5
38f2bcf5f94f09e80d52727ffd8e3c15

SHA1
a7b664da971d2f88cca94086520b0347c600da48

SHA256
7bf3b188668fa3fc2963619502f03bc3ed58766c08fce77dd54707f571ebbf47

SHA512
080e1951faff80d84731c4c98d690bab8beb73eedf943ec2c2facaf25665d708f296b21f8ed809be45652fa12fd75685faf0df3f90c730f88283e4bdea849d78

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

Filesize
220KB

MD5
a87caa71ed04ba518b2c72aa757c3179

SHA1
c2c5e6834d9cfb259322c595f443e90f321ccd42

SHA256
ace4a01d7aafb1865b7097d70bc4910782bd53bdaad03127b17ef93052bdb074

SHA512
84d971579ca4340d9f154d10a324a5278a67a8f2b65a8fa5a6d590b38452df04afd9d98c131facc5506720ca52cc406a4675cb2570d40a3a7c5d4216aa1584bd

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\259427010.txt

Filesize
899KB

MD5
f041cacc9d4a479a31bf2d72063a6a4c

SHA1
9409542383aa98866b1b37e850c9bc90a7aab969

SHA256
0e9467d98f1c90c6ea57b8005f5e41d15b7c0eb3af8a628fd919c55436f551d1

SHA512
e49ef9e0d583cce0a35e3e8c7510567f8197c2ec1ba0a09c578fd25f84b85d914b281423bb8bdc3a621f037fcbe2f836d3a851e498d2ec45730f873ccf107e8a

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2152-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads