gh0strat | 73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
26/06/2024, 01:03

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General

Target

73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
Size

8.2MB
MD5

83e0e7e5d402fb59792c54ac5cce0719
SHA1

f82c15c4a35b906063cc4c82ba3e09ae6001b687
SHA256

73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c
SHA512

06057b59ce79300a22deb8e055ab682d2c78c88d32fb895b6a73fc2c4e697a38ca12158bc49f1b9a293dcdd427b06f75383f0729c2d59f56f6d14fa096179feb
SSDEEP

196608:7WT9nO76Xon85W70mtaSkg+OHDdHdyxlRFe:x7qd5WwmtaSk4JUlC

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2308-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2308-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2308-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1304-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1304-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2744-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2744-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2744-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2744-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2308-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2308-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2308-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1304-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1304-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2744-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2744-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2744-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0054000000014651-39.dat	family_gh0strat
behavioral1/memory/2744-41-0x0000000010000000-0x00000000101B6000-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\\259396918.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
2308	svchost.exe
1304	TXPlatforn.exe
2744	TXPlatforn.exe
2692	svchos.exe
2112	HD_73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
1964	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 9 IoCs

pid	Process
2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
1304	TXPlatforn.exe
2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
2692	svchos.exe
2572	svchost.exe
2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
2572	svchost.exe
1964	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2308-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2308-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2308-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1304-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1304-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2744-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2744-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2744-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2744-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

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\259396918.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 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.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

pid	Process
2828	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2744	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2308	svchost.exe
Token: SeLoadDriverPrivilege	2744	TXPlatforn.exe
Token: 33	2744	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2744	TXPlatforn.exe
Token: 33	2744	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2744	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2308	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	28
PID 2172 wrote to memory of 2308	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	28
PID 2172 wrote to memory of 2308	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	28
PID 2172 wrote to memory of 2308	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	28
PID 2172 wrote to memory of 2308	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	28
PID 2172 wrote to memory of 2308	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	28
PID 2172 wrote to memory of 2308	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	28
PID 2308 wrote to memory of 2640	2308	svchost.exe	30
PID 2308 wrote to memory of 2640	2308	svchost.exe	30
PID 2308 wrote to memory of 2640	2308	svchost.exe	30
PID 2308 wrote to memory of 2640	2308	svchost.exe	30
PID 1304 wrote to memory of 2744	1304	TXPlatforn.exe	31
PID 1304 wrote to memory of 2744	1304	TXPlatforn.exe	31
PID 1304 wrote to memory of 2744	1304	TXPlatforn.exe	31
PID 1304 wrote to memory of 2744	1304	TXPlatforn.exe	31
PID 1304 wrote to memory of 2744	1304	TXPlatforn.exe	31
PID 1304 wrote to memory of 2744	1304	TXPlatforn.exe	31
PID 1304 wrote to memory of 2744	1304	TXPlatforn.exe	31
PID 2172 wrote to memory of 2692	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	33
PID 2172 wrote to memory of 2692	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	33
PID 2172 wrote to memory of 2692	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	33
PID 2172 wrote to memory of 2692	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	33
PID 2640 wrote to memory of 2828	2640	cmd.exe	34
PID 2640 wrote to memory of 2828	2640	cmd.exe	34
PID 2640 wrote to memory of 2828	2640	cmd.exe	34
PID 2640 wrote to memory of 2828	2640	cmd.exe	34
PID 2172 wrote to memory of 2112	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	37
PID 2172 wrote to memory of 2112	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	37
PID 2172 wrote to memory of 2112	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	37
PID 2172 wrote to memory of 2112	2172	73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe	37
PID 2572 wrote to memory of 1964	2572	svchost.exe	38
PID 2572 wrote to memory of 1964	2572	svchost.exe	38
PID 2572 wrote to memory of 1964	2572	svchost.exe	38
PID 2572 wrote to memory of 1964	2572	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
"C:\Users\Admin\AppData\Local\Temp\73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172
- 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:2308
- - 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:2640
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2828
- 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
  PID:2692
- C:\Users\Admin\AppData\Local\Temp\HD_73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
  C:\Users\Admin\AppData\Local\Temp\HD_73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe
  2⤵
  - Executes dropped EXE
  PID:2112

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1304
- 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:2744

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2552

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:2572
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259396918.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1964

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.3MB

MD5
c7f9686cb9d0a7af96afcd8bfe2eb577

SHA1
2d8a4061025dc1548fd94640500c9a1e7907e1c5

SHA256
4a1d4772756c58e4c80d8b9b46b38f38e98d8a112aace86715a14b90a07a1e29

SHA512
da83939d675caa5b4a398ac2b336cfa94b138df5a39246ecba19827008bfdb00a7d1790bd414ce474ca1e1008222373e97ab312c4e685a65b0ad4614865e0246

Download Submit
\Users\Admin\AppData\Local\Temp\HD_73858860d6931947b0a4412511dfbb12254db3aec0bb8e9f7b0309dc73d2933c.exe

Filesize
6.9MB

MD5
bed12b9e3b8057017ef3dac9ea15046b

SHA1
3ba144b8a557616b0b8b27daf30bd0e76a8f9d6d

SHA256
4a905829c20190fbf4e4ee6d1cb99bc3e9c0afd56fd0862bb496173b0c6887a1

SHA512
7d56104d352a116720ba2325188e75c9f9cafa63558fb531419802206dd7f5ac4d4571ac75a8f872d4d44513c80a51c7faa27f1c7315e6526a582f28d2a2b843

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259396918.txt

Filesize
50KB

MD5
de5a0701749f0b72e5102ee0c126b268

SHA1
f1855a00fd53d33174e25db81b854665e101680f

SHA256
c1e9f64c3f7ca2861a50f0638e5aac9f628c0700a7be406ad7148dc8cb9bdb77

SHA512
add417e94745a76cce568bd6ade2f0f6eaa0c6f0b48457bf1aaaabbae48869d1a9a7ea3bf89011e79d4915dc664bae877d620507916d56e98506aabede206487

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1304-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1304-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2744-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2744-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2744-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2744-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download