gh0strat | 1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf

General

Target

1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
Size

3.0MB
MD5

2a77eed436d6ff61d8073f14108ee310
SHA1

57e7c550f90b25b305710b68ee10d91448ec80e7
SHA256

1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf
SHA512

af490c2b9dca4dd6b291cc5497daf11440ea43caa991485753295391a97ab03ae8e771d859470d5b9237c2c712e88de02f3f6c963d5efcd8ef2e7852cccfccdf
SSDEEP

24576:wCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHi:wCwsbCANnKXferL7Vwe/Gg0P+Wh

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/2216-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2216-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2216-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/960-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/960-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4664-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4664-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4664-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240600906.txt	family_gh0strat
behavioral2/memory/2216-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2216-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2216-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/960-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/960-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4664-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4664-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4664-44-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

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

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240600906.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exeRemote Data.exe

pid	process
4548	R.exe
2216	N.exe
960	TXPlatfor.exe
4664	TXPlatfor.exe
2736	HD_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
5032	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4548 R.exe
4772 svchost.exe
5032 Remote Data.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2216-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2216-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2216-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2216-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/960-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/960-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/960-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4664-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4664-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4664-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240600906.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

Drops file in Program Files directory 1 IoCs

Processes:

1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.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

Processes:

PING.EXE

pid process

3312 PING.EXE

pid	process
3312	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe

pid	process
972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4664 TXPlatfor.exe

pid	process
4664	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2216	N.exe
Token: SeLoadDriverPrivilege	4664	TXPlatfor.exe
Token: 33	4664	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4664	TXPlatfor.exe
Token: 33	4664	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4664	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe

pid	process
972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 972 wrote to memory of 4548	972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe	R.exe
PID 972 wrote to memory of 4548	972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe	R.exe
PID 972 wrote to memory of 4548	972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe	R.exe
PID 972 wrote to memory of 2216	972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe	N.exe
PID 972 wrote to memory of 2216	972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe	N.exe
PID 972 wrote to memory of 2216	972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe	N.exe
PID 2216 wrote to memory of 4996	2216	N.exe	cmd.exe
PID 2216 wrote to memory of 4996	2216	N.exe	cmd.exe
PID 2216 wrote to memory of 4996	2216	N.exe	cmd.exe
PID 960 wrote to memory of 4664	960	TXPlatfor.exe	TXPlatfor.exe
PID 960 wrote to memory of 4664	960	TXPlatfor.exe	TXPlatfor.exe
PID 960 wrote to memory of 4664	960	TXPlatfor.exe	TXPlatfor.exe
PID 972 wrote to memory of 2736	972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe	HD_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
PID 972 wrote to memory of 2736	972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe	HD_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
PID 972 wrote to memory of 2736	972	1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe	HD_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
PID 4996 wrote to memory of 3312	4996	cmd.exe	PING.EXE
PID 4996 wrote to memory of 3312	4996	cmd.exe	PING.EXE
PID 4996 wrote to memory of 3312	4996	cmd.exe	PING.EXE
PID 4772 wrote to memory of 5032	4772	svchost.exe	Remote Data.exe
PID 4772 wrote to memory of 5032	4772	svchost.exe	Remote Data.exe
PID 4772 wrote to memory of 5032	4772	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
"C:\Users\Admin\AppData\Local\Temp\1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:972
- 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:4548
- 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:2216
- - 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:4996
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3312
- C:\Users\Admin\AppData\Local\Temp\HD_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
  C:\Users\Admin\AppData\Local\Temp\HD_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
  2⤵
  - Executes dropped EXE
  PID:2736

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4908

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:4772
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600906.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:5032

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:960
- 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:4664

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

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_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe

Filesize
163KB

MD5
ffa879296bea3317a5e46907f65bb016

SHA1
d01013e7b0a6066d4151f0c0e68fa2c23ea76709

SHA256
62b2f4a42bc08c8a25a1ea54b58ff5b28e7b2aa92ea4d5baff7e1b6c13739aa0

SHA512
1a20bf8f2b1d4d4a22f5ceeaf5ac17dd2521edb90b4f34e41811f814a255ea313a79d65f4c206f1e80c42cedda4169f06b3334d686d81817c9b972a69072b736

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

Filesize
2.8MB

MD5
a06eb41aac45e03cd86c274efc1c19d4

SHA1
e55bdf661a47461a0804c6f9f703e8ae4bbbb60d

SHA256
40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3

SHA512
5a19f204259f3b4465c1b311978bc5375bf7be44f09eec24b5b833b3c172e3e74023a2f80b66c76384c27365760ab1ad3317a1d0945c64ff5583e07d05cc5e35

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\240600906.txt

Filesize
899KB

MD5
e01e4b0ca3723b18c769b19c1f0c3513

SHA1
3be04e331536ef3641db949b4df5aea2a7613ed5

SHA256
c1560497bf0631f1e98b81e216f24c651dfa3a773e5c5f21097e3597e0b117e3

SHA512
602d6f26b1230403eb89492856cfb35401062df0f1e748f806bc33ffaa47f606591c4bccad10faf1496a16b731ded119e2c09db45faca86fa612a36d1342038c

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/960-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/960-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/960-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2216-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2216-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2216-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2216-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4664-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4664-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4664-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads