gh0strat | 5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9

Analysis

max time kernel
151s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 08:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
Size

3.2MB
MD5

d18f878cd976e18f23b19c0a6809df06
SHA1

1a3a31612889de8d194289ff0d20be4e7373ff38
SHA256

5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9
SHA512

a1a3df4db86746f790be8b516559cdc4e30b82f677c0c97d8de532f761601497d4e581b25c61bd041fc170f347821a233a9088c37a1fbfdc39362364444fa4b3
SSDEEP

49152:p89XJt4HIZ/Gg0P+Wh81iWwV9wxTeIJtk5/IjTf5GelUXKerOmhis:OZJt4HIZOgmh8AvodLJtk/elc

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2912-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2912-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2912-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1716-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1440-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1440-70-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1440-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2912-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2912-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2912-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1716-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2912-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1716-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1440-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1440-70-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1440-72-0x0000000010000000-0x00000000101B6000-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

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 4 IoCs

pid	Process
2912	QQ.exe
1716	TXPlatforn.exe
1440	TXPlatforn.exe
3040	HD_5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

Loads dropped DLL 3 IoCs

pid	Process
1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
1716	TXPlatforn.exe
1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2912-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2912-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2912-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2912-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1716-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2912-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1716-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1440-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1440-70-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1440-72-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	QQ.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	QQ.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	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.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
2520	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1440	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2912	QQ.exe
Token: SeLoadDriverPrivilege	1440	TXPlatforn.exe
Token: 33	1440	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1440	TXPlatforn.exe
Token: 33	1440	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1440	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2912	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	28
PID 1752 wrote to memory of 2912	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	28
PID 1752 wrote to memory of 2912	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	28
PID 1752 wrote to memory of 2912	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	28
PID 1752 wrote to memory of 2912	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	28
PID 1752 wrote to memory of 2912	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	28
PID 1752 wrote to memory of 2912	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	28
PID 2912 wrote to memory of 2040	2912	QQ.exe	33
PID 2912 wrote to memory of 2040	2912	QQ.exe	33
PID 2912 wrote to memory of 2040	2912	QQ.exe	33
PID 2912 wrote to memory of 2040	2912	QQ.exe	33
PID 1716 wrote to memory of 1440	1716	TXPlatforn.exe	31
PID 1716 wrote to memory of 1440	1716	TXPlatforn.exe	31
PID 1716 wrote to memory of 1440	1716	TXPlatforn.exe	31
PID 1716 wrote to memory of 1440	1716	TXPlatforn.exe	31
PID 1716 wrote to memory of 1440	1716	TXPlatforn.exe	31
PID 1716 wrote to memory of 1440	1716	TXPlatforn.exe	31
PID 1716 wrote to memory of 1440	1716	TXPlatforn.exe	31
PID 1752 wrote to memory of 3040	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	30
PID 1752 wrote to memory of 3040	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	30
PID 1752 wrote to memory of 3040	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	30
PID 1752 wrote to memory of 3040	1752	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	30
PID 2040 wrote to memory of 2520	2040	cmd.exe	34
PID 2040 wrote to memory of 2520	2040	cmd.exe	34
PID 2040 wrote to memory of 2520	2040	cmd.exe	34
PID 2040 wrote to memory of 2520	2040	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
"C:\Users\Admin\AppData\Local\Temp\5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\QQ.exe
  C:\Users\Admin\AppData\Local\Temp\\QQ.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2912
- - 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\QQ.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2040
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2520
- C:\Users\Admin\AppData\Local\Temp\HD_5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
  C:\Users\Admin\AppData\Local\Temp\HD_5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
  2⤵
  - Executes dropped EXE
  PID:3040

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1716
- 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:1440

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

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_5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

Filesize
1.9MB

MD5
6974f64271903c5c6f10e842010b9668

SHA1
fee0dd3e2ae960842c073fbfe4520daed35c558d

SHA256
54916997730e872bf4694e537aea01f9974e9b21e8c116f65f40f847a5eb6605

SHA512
228c484b22b7408a297e72461565a85232eb2b7b8de64cddd711185a07d502d001f2aa88f5d1eb1f2fb2d5b9dae36d4850375eee163f139d0dcf810a977bc2d4

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

Filesize
1.3MB

MD5
a68be89e7d269501980fcd3ecfb2a8af

SHA1
29ed992e00d0641e1a5aea3f8b358fa39710f338

SHA256
63a39a5a3d48fdaa1819c37b8ff0e7114ce7b98f1fa8b9ea94343a9f7d763b1c

SHA512
914e22434272413a2af9f6c539331d3fdfc42b2f220ef546f5d13a640e6a5a9e0dabd836cbdae2012f710b57b27656f76eb901b5d8b38b94010b366130b73419

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
\Users\Admin\AppData\Local\Temp\HD_5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

Filesize
1.9MB

MD5
6974f64271903c5c6f10e842010b9668

SHA1
fee0dd3e2ae960842c073fbfe4520daed35c558d

SHA256
54916997730e872bf4694e537aea01f9974e9b21e8c116f65f40f847a5eb6605

SHA512
228c484b22b7408a297e72461565a85232eb2b7b8de64cddd711185a07d502d001f2aa88f5d1eb1f2fb2d5b9dae36d4850375eee163f139d0dcf810a977bc2d4

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
memory/1440-70-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1440-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1440-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1716-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1716-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2912-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2912-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2912-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2912-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2912-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download