gh0strat | b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a

General

Target

b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe
Size

1.8MB
MD5

36ad15208c64a440d133199c3587be96
SHA1

67528b072c1ea62372ac75b73c175fa59e598fc7
SHA256

b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a
SHA512

b12cb45b85b16f29b13caae43b496dcbd8ce97b67e0539bc0d81ab241704d9fab441d926313bf3b95df66e8be132b8424c6b98c188366c88986982af46d4486b
SSDEEP

24576:cQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV6aDILUsWAsp:cQZAdVyVT9n/Gg0P+WhogD4Fk

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2224-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2224-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2224-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/704-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/704-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/704-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/704-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2984-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2984-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2984-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2984-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/2224-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2224-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2224-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/704-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/704-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/704-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/704-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0008000000023bdc-30.dat	family_gh0strat
behavioral2/memory/2984-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2984-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2984-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2984-38-0x0000000010000000-0x00000000101B6000-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
2224	svchost.exe
704	TXPlatforn.exe
2984	TXPlatforn.exe
3780	svchos.exe

Loads dropped DLL 1 IoCs

pid	Process
3780	svchos.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240631109.txt	svchos.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2224-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2224-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2224-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2224-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/704-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/704-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/704-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/704-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/704-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2984-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2984-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2984-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2984-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4036	3780	WerFault.exe	86
3308	3780	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 6 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	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.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
2376	cmd.exe
1956	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1956	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2984	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2224	svchost.exe
Token: SeLoadDriverPrivilege	2984	TXPlatforn.exe
Token: 33	2984	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2984	TXPlatforn.exe
Token: 33	2984	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2984	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3240	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe
3240	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 2224	3240	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe	82
PID 3240 wrote to memory of 2224	3240	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe	82
PID 3240 wrote to memory of 2224	3240	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe	82
PID 2224 wrote to memory of 2376	2224	svchost.exe	84
PID 2224 wrote to memory of 2376	2224	svchost.exe	84
PID 2224 wrote to memory of 2376	2224	svchost.exe	84
PID 704 wrote to memory of 2984	704	TXPlatforn.exe	85
PID 704 wrote to memory of 2984	704	TXPlatforn.exe	85
PID 704 wrote to memory of 2984	704	TXPlatforn.exe	85
PID 3240 wrote to memory of 3780	3240	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe	86
PID 3240 wrote to memory of 3780	3240	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe	86
PID 3240 wrote to memory of 3780	3240	b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe	86
PID 2376 wrote to memory of 1956	2376	cmd.exe	91
PID 2376 wrote to memory of 1956	2376	cmd.exe	91
PID 2376 wrote to memory of 1956	2376	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe
"C:\Users\Admin\AppData\Local\Temp\b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3240
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2224
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2376
  - - 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:1956
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:3780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 448
    3⤵
    - Program crash
    PID:4036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 244
    3⤵
    - Program crash
    PID:3308

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:704
- 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:2984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3780 -ip 3780
1⤵
PID:1804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3780 -ip 3780
1⤵
PID:2304

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
e32ddc975922b55fff47bf0b43393975

SHA1
7dc4f98d951ee560f3b75e02a66e9d908fa708c7

SHA256
7c927603916abeebe91d9afc1367c4a64ad5061badcd8d4801e022e978c51678

SHA512
b4b3a9752717098a89d4617119993aaeb7f91ef4b7366894fd58c1bf3a4a4217253ad43255189b45ac1abea2f4d68702a6d9af3321bdff616c6d300aaeea03c5

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

Filesize
1.8MB

MD5
36ad15208c64a440d133199c3587be96

SHA1
67528b072c1ea62372ac75b73c175fa59e598fc7

SHA256
b1ee022018659be07cb0abae6117e5946990929b28a679082e7efe8f2d3a035a

SHA512
b12cb45b85b16f29b13caae43b496dcbd8ce97b67e0539bc0d81ab241704d9fab441d926313bf3b95df66e8be132b8424c6b98c188366c88986982af46d4486b

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240631109.txt

Filesize
50KB

MD5
c080ecf478f9540387ec98a80e791daa

SHA1
13d029bbbc3e5e07d47c5ec50616348ab851cc77

SHA256
cc46919f3c73eb3b7a8b0d210cf63060cb22ee5268a2bdc1c0503cdb6a315667

SHA512
3c0a38bef3981c92db2b0258010c0fa40e0f52bba22364291a6107ff44dcb3dabbdb3c28bec005ebca44d35e3751e1549ccb390d845aba19f0e76ba15eed8a1a

Download Submit
memory/704-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/704-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/704-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/704-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/704-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2224-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2224-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2224-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2224-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2984-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2984-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2984-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2984-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads