gh0strat | a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83

General

Target

a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe
Size

1.5MB
MD5

9da6a3e17c63fd40f9895f9a92b13532
SHA1

b21344b9cfce7776048b1fa6c6c7213e76c0c03a
SHA256

a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83
SHA512

afd99dbb068c8421380f0d8a7b6284f75a910fc4e86f4d3b87e360118107804d2ac7be31250f72b2cdd07939342d144fcfed9e320663b07f4d45d8a585baacd9
SSDEEP

24576:X09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+y:X09XJt4HIN2H2tFvduySQ

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2576-13-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2576-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2576-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2160-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2836-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2836-61-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2836-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2836-67-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2160-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2576-13-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2576-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2576-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2160-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2836-54-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2836-61-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2836-65-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2836-67-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2160-66-0x0000000010000000-0x00000000101B6000-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
2576	RVN.exe
2160	TXPlatforn.exe
2836	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
1200	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe
2160	TXPlatforn.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2576-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2576-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2576-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2576-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2160-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2836-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2836-61-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2836-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2836-67-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2160-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2780	cmd.exe
2704	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2704	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2836	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2576	RVN.exe
Token: SeLoadDriverPrivilege	2836	TXPlatforn.exe
Token: 33	2836	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2836	TXPlatforn.exe
Token: 33	2836	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2836	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1200	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe
1200	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 2576	1200	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe	29
PID 1200 wrote to memory of 2576	1200	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe	29
PID 1200 wrote to memory of 2576	1200	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe	29
PID 1200 wrote to memory of 2576	1200	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe	29
PID 1200 wrote to memory of 2576	1200	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe	29
PID 1200 wrote to memory of 2576	1200	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe	29
PID 1200 wrote to memory of 2576	1200	a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe	29
PID 2576 wrote to memory of 2780	2576	RVN.exe	31
PID 2576 wrote to memory of 2780	2576	RVN.exe	31
PID 2576 wrote to memory of 2780	2576	RVN.exe	31
PID 2576 wrote to memory of 2780	2576	RVN.exe	31
PID 2160 wrote to memory of 2836	2160	TXPlatforn.exe	32
PID 2160 wrote to memory of 2836	2160	TXPlatforn.exe	32
PID 2160 wrote to memory of 2836	2160	TXPlatforn.exe	32
PID 2160 wrote to memory of 2836	2160	TXPlatforn.exe	32
PID 2160 wrote to memory of 2836	2160	TXPlatforn.exe	32
PID 2160 wrote to memory of 2836	2160	TXPlatforn.exe	32
PID 2160 wrote to memory of 2836	2160	TXPlatforn.exe	32
PID 2780 wrote to memory of 2704	2780	cmd.exe	34
PID 2780 wrote to memory of 2704	2780	cmd.exe	34
PID 2780 wrote to memory of 2704	2780	cmd.exe	34
PID 2780 wrote to memory of 2704	2780	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.exe
"C:\Users\Admin\AppData\Local\Temp\a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83.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:1200
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.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:2576
- - 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\RVN.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2780
  - - 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:2704

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:2160
- 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:2836

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
1.5MB

MD5
9da6a3e17c63fd40f9895f9a92b13532

SHA1
b21344b9cfce7776048b1fa6c6c7213e76c0c03a

SHA256
a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83

SHA512
afd99dbb068c8421380f0d8a7b6284f75a910fc4e86f4d3b87e360118107804d2ac7be31250f72b2cdd07939342d144fcfed9e320663b07f4d45d8a585baacd9

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico

Filesize
71KB

MD5
fb44f7af2882d222b600539171f54c1d

SHA1
0c5a1a0b1620a55a0f194464227be25a2f0347e1

SHA256
f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487

SHA512
21e906473f64303c4c8d55213ccb84f4a803c11fb5eef34ce3194adfb391ccbcc91e7c399556c7a4e4f3d33b9b19524d4499ec771ee8e1a10df26ea7cc2dcb67

Download Submit
memory/1200-0-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/1200-83-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/2160-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2160-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2576-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2576-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2576-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2576-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2836-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2836-61-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2836-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2836-67-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads