gh0strat | 778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f

General

Target

778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe
Size

1.4MB
MD5

1806dc6b5b300656f5d1fb208a927119
SHA1

f94ca0f413c2d96bac64aa3beccebe99e31f035d
SHA256

778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f
SHA512

a163da6a1206a64a46eae6cd75eebe8b07cfc6de8a5afb618bf3e48a1910a92908020563f2e0a0ad4ecce18c2211f19093856e0bed50f95e56de12516c79b44b
SSDEEP

24576:V89tv9/7JtDElDEExIecl1erdg0MCiVWhR/3y/dw:V89XJt4HIZ/Gg0P+WhVy/dw

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2352-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2352-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2352-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2760-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2760-62-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2352-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2352-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2352-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2760-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-65-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2760-62-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-66-0x0000000010000000-0x00000000101B6000-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 3 IoCs

pid	Process
2352	QQ.exe
2760	TXPlatforn.exe
2796	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
2932	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe
2760	TXPlatforn.exe

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

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2352-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2352-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2352-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2352-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2760-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2760-62-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.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 5 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	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
2556	cmd.exe
1132	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1132	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2796	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2352	QQ.exe
Token: SeLoadDriverPrivilege	2796	TXPlatforn.exe
Token: 33	2796	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2796	TXPlatforn.exe
Token: 33	2796	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2796	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2932	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe
2932	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2352	2932	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe	31
PID 2932 wrote to memory of 2352	2932	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe	31
PID 2932 wrote to memory of 2352	2932	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe	31
PID 2932 wrote to memory of 2352	2932	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe	31
PID 2932 wrote to memory of 2352	2932	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe	31
PID 2932 wrote to memory of 2352	2932	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe	31
PID 2932 wrote to memory of 2352	2932	778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe	31
PID 2760 wrote to memory of 2796	2760	TXPlatforn.exe	33
PID 2760 wrote to memory of 2796	2760	TXPlatforn.exe	33
PID 2760 wrote to memory of 2796	2760	TXPlatforn.exe	33
PID 2760 wrote to memory of 2796	2760	TXPlatforn.exe	33
PID 2760 wrote to memory of 2796	2760	TXPlatforn.exe	33
PID 2760 wrote to memory of 2796	2760	TXPlatforn.exe	33
PID 2760 wrote to memory of 2796	2760	TXPlatforn.exe	33
PID 2352 wrote to memory of 2556	2352	QQ.exe	34
PID 2352 wrote to memory of 2556	2352	QQ.exe	34
PID 2352 wrote to memory of 2556	2352	QQ.exe	34
PID 2352 wrote to memory of 2556	2352	QQ.exe	34
PID 2556 wrote to memory of 1132	2556	cmd.exe	36
PID 2556 wrote to memory of 1132	2556	cmd.exe	36
PID 2556 wrote to memory of 1132	2556	cmd.exe	36
PID 2556 wrote to memory of 1132	2556	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe
"C:\Users\Admin\AppData\Local\Temp\778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2932
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2352
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2556
  - - 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:1132

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- 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:2796

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

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_X.dat

Filesize
1.4MB

MD5
1806dc6b5b300656f5d1fb208a927119

SHA1
f94ca0f413c2d96bac64aa3beccebe99e31f035d

SHA256
778273cf667b788d0adcf8ebd0aadd9dd86041ed75b2643af9937583c1cb282f

SHA512
a163da6a1206a64a46eae6cd75eebe8b07cfc6de8a5afb618bf3e48a1910a92908020563f2e0a0ad4ecce18c2211f19093856e0bed50f95e56de12516c79b44b

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
memory/2352-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2760-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2760-62-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads