gh0strat | 1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6

General

Target

1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
Size

2.0MB
MD5

ada2405a165d03f50afc940e1d66fbf0
SHA1

a27070909d9eaced164eef916bce24480f574c92
SHA256

1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6
SHA512

ee8618e13c958f61f84874764fba75c13360e4787665e7edf199939259843d9c4cdf889ddb2bc72ee327566a3bd3a608cef2263c27e79c8c773d922782c24a5e
SSDEEP

49152:6QZAdVyVT9n/Gg0P+Who4pe2ZPItx2apeapelI:jGdVyVT9nOgmh2XtUvlI

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 12 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3348-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3348-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3348-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4068-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4068-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3968-63-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3968-62-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4068-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4068-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3968-84-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3968-87-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3968-89-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 13 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3348-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3348-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3348-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4068-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4068-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240593562.txt	family_gh0strat
behavioral2/memory/3968-63-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3968-62-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4068-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4068-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3968-84-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3968-87-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3968-89-0x0000000010000000-0x00000000101B6000-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:

TXPlatforn.exe

description ioc process

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

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.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:

svchos.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240593562.txt"	svchos.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

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

Executes dropped EXE 6 IoCs

Processes:

svchost.exeTXPlatforn.exesvchos.exeTXPlatforn.exeHD_1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
3348	svchost.exe
4068	TXPlatforn.exe
100	svchos.exe
3968	TXPlatforn.exe
3676	HD_1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
2324	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

Processes:

svchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

100 svchos.exe
5092 svchost.exe
2324 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
100	svchos.exe
5092	svchost.exe
2324	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 15 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3348-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3348-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3348-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3348-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4068-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4068-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3968-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3968-63-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3968-62-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4068-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4068-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4068-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3968-84-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3968-87-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3968-89-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240593562.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe

Drops file in Program Files directory 5 IoCs

Processes:

1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.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

388 PING.EXE

pid	process
388	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe

pid	process
3596	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
3596	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

3968 TXPlatforn.exe

pid	process
3968	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3348	svchost.exe
Token: SeLoadDriverPrivilege	3968	TXPlatforn.exe
Token: 33	3968	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3968	TXPlatforn.exe
Token: 33	3968	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3968	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe

pid	process
3596	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
3596	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 3596 wrote to memory of 3348	3596	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe	svchost.exe
PID 3596 wrote to memory of 3348	3596	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe	svchost.exe
PID 3596 wrote to memory of 3348	3596	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe	svchost.exe
PID 3348 wrote to memory of 116	3348	svchost.exe	cmd.exe
PID 3348 wrote to memory of 116	3348	svchost.exe	cmd.exe
PID 3348 wrote to memory of 116	3348	svchost.exe	cmd.exe
PID 3596 wrote to memory of 100	3596	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe	svchos.exe
PID 3596 wrote to memory of 100	3596	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe	svchos.exe
PID 3596 wrote to memory of 100	3596	1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe	svchos.exe
PID 4068 wrote to memory of 3968	4068	TXPlatforn.exe	TXPlatforn.exe
PID 4068 wrote to memory of 3968	4068	TXPlatforn.exe	TXPlatforn.exe
PID 4068 wrote to memory of 3968	4068	TXPlatforn.exe	TXPlatforn.exe
PID 116 wrote to memory of 388	116	cmd.exe	PING.EXE
PID 116 wrote to memory of 388	116	cmd.exe	PING.EXE
PID 116 wrote to memory of 388	116	cmd.exe	PING.EXE
PID 5092 wrote to memory of 2324	5092	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 5092 wrote to memory of 2324	5092	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 5092 wrote to memory of 2324	5092	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
"C:\Users\Admin\AppData\Local\Temp\1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3596
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3348
- - 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\svchost.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:116
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:388
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:100
- C:\Users\Admin\AppData\Local\Temp\HD_1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
  C:\Users\Admin\AppData\Local\Temp\HD_1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe
  2⤵
  - Executes dropped EXE
  PID:3676

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4068
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.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:3968

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4476

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240593562.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2324

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_1c4a090596ba45880931f841091c8013824f7ce1df42df8074db9fb5c6eecfa6.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

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

Filesize
1.4MB

MD5
25e461589f2d348f65a68bc513f06845

SHA1
1ca4ef7d5cc633f40ddaed20312c43bb85824230

SHA256
855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d

SHA512
5d34b0834754428674546be0e2c3217510cb28bce06c030c410de9bda1d15b638459f331115bcd43d121c101a533d433b8f48f2582bfcfe3621104b8c5f768ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchos.exe

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240593562.txt

Filesize
50KB

MD5
1d823a23a85f366fba688129b65ecace

SHA1
9da5ce81dbed00853081ac8cc1fe12757d11e780

SHA256
0979ae381158dded9fc81e0112db711bbd6d83144790122b99982ac6a7ecda4d

SHA512
8307882fd58127eca1df1a9ecb9d4daa6201856732b83ef967d163b1be615d77e7ec0ccaa1442a76b9d0e3148e60e1100fed5ace4a9c2ccbde7acd18b09bb09e

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3348-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3348-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3348-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3348-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3968-84-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3968-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3968-63-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3968-62-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3968-89-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3968-87-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4068-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4068-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4068-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4068-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4068-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads