gh0strat | 76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524

General

Target

76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
Size

2.0MB
MD5

9b6b3be2eee89c797319538b0de9cd9e
SHA1

a71ed8f30a708e1e25b996acd1bdf5cdcdacf6b3
SHA256

76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524
SHA512

475795a9bfc37df5a2fd27152fd3cc8d6378b9fcd61acdf63b289cfec8c1876be85a8513509d2171970889e8cb49901652c82b8932e2ed26a5bff396f83c77fa
SSDEEP

49152:CQZAdVyVT9n/Gg0P+WhoPpexjcZPItx2apeapelI:bGdVyVT9nOgmh7xjttUvlI

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2804-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2804-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2804-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1628-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1628-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1628-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1628-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4648-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4648-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4648-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4648-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/2804-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2804-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2804-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1628-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1628-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1628-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1628-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4648-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023427-30.dat	family_gh0strat
behavioral2/memory/4648-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4648-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4648-48-0x0000000010000000-0x00000000101B6000-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	TXPlatforn.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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240865921.txt"	svchos.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"	TXPlatforn.exe

Executes dropped EXE 6 IoCs

pid	Process
2804	svchost.exe
1628	TXPlatforn.exe
4648	TXPlatforn.exe
2596	svchos.exe
2068	HD_76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
3668	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
2596	svchos.exe
1920	svchost.exe
3668	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2804-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2804-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2804-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2804-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1628-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1628-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1628-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1628-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1628-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4648-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4648-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4648-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4648-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
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\240865921.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2908	PING.EXE
4644	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2908	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3596	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
3596	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4648	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2804	svchost.exe
Token: SeLoadDriverPrivilege	4648	TXPlatforn.exe
Token: 33	4648	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4648	TXPlatforn.exe
Token: 33	4648	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4648	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3596	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
3596	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 2804	3596	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe	82
PID 3596 wrote to memory of 2804	3596	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe	82
PID 3596 wrote to memory of 2804	3596	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe	82
PID 1628 wrote to memory of 4648	1628	TXPlatforn.exe	86
PID 1628 wrote to memory of 4648	1628	TXPlatforn.exe	86
PID 1628 wrote to memory of 4648	1628	TXPlatforn.exe	86
PID 2804 wrote to memory of 4644	2804	svchost.exe	87
PID 2804 wrote to memory of 4644	2804	svchost.exe	87
PID 2804 wrote to memory of 4644	2804	svchost.exe	87
PID 3596 wrote to memory of 2596	3596	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe	88
PID 3596 wrote to memory of 2596	3596	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe	88
PID 3596 wrote to memory of 2596	3596	76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe	88
PID 4644 wrote to memory of 2908	4644	cmd.exe	93
PID 4644 wrote to memory of 2908	4644	cmd.exe	93
PID 4644 wrote to memory of 2908	4644	cmd.exe	93
PID 1920 wrote to memory of 3668	1920	svchost.exe	99
PID 1920 wrote to memory of 3668	1920	svchost.exe	99
PID 1920 wrote to memory of 3668	1920	svchost.exe	99

C:\Users\Admin\AppData\Local\Temp\76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
"C:\Users\Admin\AppData\Local\Temp\76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2804
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4644
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2908
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2596
- C:\Users\Admin\AppData\Local\Temp\HD_76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
  C:\Users\Admin\AppData\Local\Temp\HD_76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.exe
  2⤵
  - Executes dropped EXE
  PID:2068

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628
- 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:4648

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4724

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240865921.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3668

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_76776e5e4f27dd210d85b70ae6e52887813ebd7274a28e019dbbc37bb00aa524.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
d43ead2bc13270eb93788bac68b1a5aa

SHA1
27270fcdbd36ae15266ae1bd4424f89b7e0aaf11

SHA256
19dca765cbc6e5b29babb455f27456661fad69452646e1cf709d2d7de29d0409

SHA512
a5998057880fd4bbbf5b86009c7dc88ed37134aa37a70848f3028736f64c5e3cc22bf2ca4291d7da96ac98cc156bff9be5f39ec07a1fba00c4006fae389c5b4c

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\240865921.txt

Filesize
50KB

MD5
f3e66702f612e5265b55dde29011f2b3

SHA1
5b01e353657e1d328eafdb2f3dca7214776d9db1

SHA256
7e59875dff7ea18ea945efa5bc68848106aba47c0a05ab851a805a46ddc276eb

SHA512
09b8aab974b8dbeb2b93ce87acce2a6f8af19f041d64ea5a610fc650a1ac80cfe6f4e7c09e26ceca28bc537259f0f5694ebc7e49b8e8cd4d70a0159110a26147

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1628-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1628-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1628-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1628-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1628-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2804-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2804-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2804-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2804-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4648-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4648-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4648-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4648-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads