gh0strat | 8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239

General

Target

8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe
Size

2.2MB
MD5

9fea24cff848a0c992ef554ef816ca4f
SHA1

46960eaf33c9cbf7c6cabdd4888d05d53e9eb1c4
SHA256

8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239
SHA512

4a0463b53d76295f7411170678057bf87c5fadbccd497adf8751df0da8c67992c419495f222fced34de1aafb8d1050844bd6038f3235bac0c56c19bb651962b6
SSDEEP

49152:909XJt4HIN2H2tFvduyS7pekpEWoxv8ZPItx2apeapelI:eZJt4HINy2LkQkKZx1tUvlI

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/2100-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2100-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2536-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2536-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2536-69-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2536-70-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2100-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2100-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2536-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2536-65-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2536-69-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2536-70-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
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
2100	RVN.exe
3064	TXPlatforn.exe
2536	TXPlatforn.exe
2720	HD_8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe

Loads dropped DLL 3 IoCs

pid	Process
1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe
3064	TXPlatforn.exe
1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2100-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2100-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-69-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-70-0x0000000010000000-0x00000000101B6000-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	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.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	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.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
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
2340	cmd.exe
2920	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2920	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2536	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2100	RVN.exe
Token: SeLoadDriverPrivilege	2536	TXPlatforn.exe
Token: 33	2536	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2536	TXPlatforn.exe
Token: 33	2536	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2536	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe
1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2100	1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe	30
PID 1732 wrote to memory of 2100	1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe	30
PID 1732 wrote to memory of 2100	1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe	30
PID 1732 wrote to memory of 2100	1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe	30
PID 1732 wrote to memory of 2100	1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe	30
PID 1732 wrote to memory of 2100	1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe	30
PID 1732 wrote to memory of 2100	1732	8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe	30
PID 2100 wrote to memory of 2340	2100	RVN.exe	32
PID 2100 wrote to memory of 2340	2100	RVN.exe	32
PID 2100 wrote to memory of 2340	2100	RVN.exe	32
PID 2100 wrote to memory of 2340	2100	RVN.exe	32
PID 3064 wrote to memory of 2536	3064	TXPlatforn.exe	33
PID 3064 wrote to memory of 2536	3064	TXPlatforn.exe	33
PID 3064 wrote to memory of 2536	3064	TXPlatforn.exe	33
PID 3064 wrote to memory of 2536	3064	TXPlatforn.exe	33
PID 3064 wrote to memory of 2536	3064	TXPlatforn.exe	33
PID 3064 wrote to memory of 2536	3064	TXPlatforn.exe	33
PID 3064 wrote to memory of 2536	3064	TXPlatforn.exe	33
PID 2340 wrote to memory of 2920	2340	cmd.exe	36
PID 2340 wrote to memory of 2920	2340	cmd.exe	36
PID 2340 wrote to memory of 2920	2340	cmd.exe	36
PID 2340 wrote to memory of 2920	2340	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe
"C:\Users\Admin\AppData\Local\Temp\8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732
- 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:2100
- - 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:2340
  - - 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:2920
- C:\Users\Admin\AppData\Local\Temp\HD_8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe
  C:\Users\Admin\AppData\Local\Temp\HD_8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe
  2⤵
  - Executes dropped EXE
  PID:2720

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:3064
- 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:2536

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
23cadd2603883740b2d9df4f82846a56

SHA1
cc370f898455ea339f1ecfef4c3c730a707fe288

SHA256
42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0

SHA512
971639520271b9cc6d81fe6d1a909238d890529f5b303ced4cd1f6aef8e5c5fdb007d1728096d4eff43512df7131f03a2143f60938ae1fe707e479a9093645b7

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

Filesize
71KB

MD5
fb44f7af2882d222b600539171f54c1d

SHA1
0c5a1a0b1620a55a0f194464227be25a2f0347e1

SHA256
f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487

SHA512
21e906473f64303c4c8d55213ccb84f4a803c11fb5eef34ce3194adfb391ccbcc91e7c399556c7a4e4f3d33b9b19524d4499ec771ee8e1a10df26ea7cc2dcb67

Download Submit
\Users\Admin\AppData\Local\Temp\HD_8a03ab8218a511ec5bdee8aa5ceb3b9ee3ee35fd08fca0a704cba79bafa2f239.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2100-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2100-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2100-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-69-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-70-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3064-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads