gh0strat | 27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c

General

Target

27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
Size

4.6MB
MD5

33d5b3ebccbbcdcb9c4f703bf1c983d5
SHA1

70e3c220c52dc9d3da66f18bd6a5496d61fd39bf
SHA256

27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c
SHA512

bca2870c5115f3f1b2a7f59d62e172cb61e91a3aca85cb32b467560ae68bf1a9d916ccc8efbfb18ff1b598ca1dd61fc12920234d024043f3df492de4a2c164e2
SSDEEP

49152:cQZAdVyVT9n/Gg0P+WhoGybXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8bU:dGdVyVT9nOgmhbybXsPN5kiQaZ56

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/3800-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3800-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3800-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2200-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2200-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2200-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4472-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4472-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4472-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4472-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2200-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/3800-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3800-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3800-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x000700000002344a-36.dat	family_gh0strat
behavioral2/memory/2200-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2200-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2200-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4472-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4472-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4472-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4472-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2200-47-0x0000000010000000-0x00000000101B6000-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\\240615125.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
3800	svchost.exe
4472	TXPlatforn.exe
2200	TXPlatforn.exe
2464	svchos.exe
1144	HD_27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
1768	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
2464	svchos.exe
1416	svchost.exe
1768	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/3800-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3800-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3800-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3800-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4472-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2200-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2200-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2200-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4472-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4472-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4472-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4472-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2200-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240615125.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
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.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	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.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 9 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
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	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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
4088	PING.EXE
2892	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4088	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2200	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3800	svchost.exe
Token: SeLoadDriverPrivilege	2200	TXPlatforn.exe
Token: 33	2200	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2200	TXPlatforn.exe
Token: 33	2200	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2200	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 3800	1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe	84
PID 1576 wrote to memory of 3800	1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe	84
PID 1576 wrote to memory of 3800	1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe	84
PID 4472 wrote to memory of 2200	4472	TXPlatforn.exe	87
PID 4472 wrote to memory of 2200	4472	TXPlatforn.exe	87
PID 4472 wrote to memory of 2200	4472	TXPlatforn.exe	87
PID 3800 wrote to memory of 2892	3800	svchost.exe	88
PID 3800 wrote to memory of 2892	3800	svchost.exe	88
PID 3800 wrote to memory of 2892	3800	svchost.exe	88
PID 1576 wrote to memory of 2464	1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe	89
PID 1576 wrote to memory of 2464	1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe	89
PID 1576 wrote to memory of 2464	1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe	89
PID 2892 wrote to memory of 4088	2892	cmd.exe	94
PID 2892 wrote to memory of 4088	2892	cmd.exe	94
PID 2892 wrote to memory of 4088	2892	cmd.exe	94
PID 1576 wrote to memory of 1144	1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe	93
PID 1576 wrote to memory of 1144	1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe	93
PID 1576 wrote to memory of 1144	1576	27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe	93
PID 1416 wrote to memory of 1768	1416	svchost.exe	102
PID 1416 wrote to memory of 1768	1416	svchost.exe	102
PID 1416 wrote to memory of 1768	1416	svchost.exe	102

C:\Users\Admin\AppData\Local\Temp\27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
"C:\Users\Admin\AppData\Local\Temp\27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.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:1576
- 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:3800
- - 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:2892
  - - 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:4088
- 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:2464
- C:\Users\Admin\AppData\Local\Temp\HD_27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
  C:\Users\Admin\AppData\Local\Temp\HD_27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1144

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:4472
- 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:2200

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4552

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:1416
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240615125.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1768

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_27b825692d88dca0782ed9518f33aee44ebceb2905d25b816f919fbb169e1d0c.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
1.6MB

MD5
7c2fb9e2535b0bc286d73e5204f391dd

SHA1
c1dbd0719172700b775e59bd44b5213c3f1d4103

SHA256
f40a0d258cd63c646029b219ad074a36eca0e0bb1bc3bf71b417934c7eaabed8

SHA512
9157317cf7d13083488632963f8f2e61b59d3d25943bf98f09046bdf43316624c4cee2aaa5d61194689a16631f2b79532e62b88312419b5697ca7f67d6416f08

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\240615125.txt

Filesize
50KB

MD5
65090db22b50a2a5ee037d0cdb4f3c56

SHA1
9b3f2a689964b17bb570a10ac9970f9f2a3a8efd

SHA256
10ae8aeb86b23207f77195d85caffe552b8f084b52d4bf9bf51c8e69feed784d

SHA512
45f1ab8a64cc5c918ceabe208a6080a3a45cb79c74191c6951ab269412cb144e715d2f0d5be073f8f37f2bd89f42ece9dfea17a172f5df684b2a0d0d9a933e16

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2200-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2200-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2200-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2200-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3800-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3800-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3800-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3800-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4472-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4472-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4472-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4472-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4472-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads