gh0strat | 91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be

General

Target

91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe
Size

1.2MB
MD5

bbf3adc38d1fb55d4e6139f963cd5efb
SHA1

e5fa56972a9e04e86ee7789cfcc08dbe29b57da5
SHA256

91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be
SHA512

7a17d266e080a9ba5853be68dbde2e07338ff463108d4d01f5e83cba0e94a4a6969e8ac385d6af14dae7622268a2d24fca1ff257bd45047aefdc06c377d8ba94
SSDEEP

24576:MQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVkwpe5j:MQZAdVyVT9n/Gg0P+Whoepep

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/2712-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2712-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2712-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2616-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2712-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2712-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2712-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2616-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000016d40-38.dat	family_gh0strat
behavioral1/memory/2824-51-0x0000000010000000-0x00000000101B6000-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
2712	svchost.exe
2616	TXPlatforn.exe
2824	TXPlatforn.exe
2564	svchos.exe

Loads dropped DLL 4 IoCs

pid	Process
2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe
2616	TXPlatforn.exe
2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe
2564	svchos.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259457368.txt	svchos.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2712-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2712-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2712-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2712-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2616-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-51-0x0000000010000000-0x00000000101B6000-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	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.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 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	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.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
2832	cmd.exe
2632	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2632	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2824	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2712	svchost.exe
Token: SeLoadDriverPrivilege	2824	TXPlatforn.exe
Token: 33	2824	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2824	TXPlatforn.exe
Token: 33	2824	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2824	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe
2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2712	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	30
PID 2652 wrote to memory of 2712	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	30
PID 2652 wrote to memory of 2712	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	30
PID 2652 wrote to memory of 2712	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	30
PID 2652 wrote to memory of 2712	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	30
PID 2652 wrote to memory of 2712	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	30
PID 2652 wrote to memory of 2712	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	30
PID 2712 wrote to memory of 2832	2712	svchost.exe	32
PID 2712 wrote to memory of 2832	2712	svchost.exe	32
PID 2712 wrote to memory of 2832	2712	svchost.exe	32
PID 2712 wrote to memory of 2832	2712	svchost.exe	32
PID 2616 wrote to memory of 2824	2616	TXPlatforn.exe	33
PID 2616 wrote to memory of 2824	2616	TXPlatforn.exe	33
PID 2616 wrote to memory of 2824	2616	TXPlatforn.exe	33
PID 2616 wrote to memory of 2824	2616	TXPlatforn.exe	33
PID 2616 wrote to memory of 2824	2616	TXPlatforn.exe	33
PID 2616 wrote to memory of 2824	2616	TXPlatforn.exe	33
PID 2616 wrote to memory of 2824	2616	TXPlatforn.exe	33
PID 2652 wrote to memory of 2564	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	35
PID 2652 wrote to memory of 2564	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	35
PID 2652 wrote to memory of 2564	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	35
PID 2652 wrote to memory of 2564	2652	91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe	35
PID 2832 wrote to memory of 2632	2832	cmd.exe	36
PID 2832 wrote to memory of 2632	2832	cmd.exe	36
PID 2832 wrote to memory of 2632	2832	cmd.exe	36
PID 2832 wrote to memory of 2632	2832	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.exe
"C:\Users\Admin\AppData\Local\Temp\91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be.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:2652
- 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:2712
- - 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:2832
  - - 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:2632
- 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:2564

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:2616
- 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:2824

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
1.2MB

MD5
bbf3adc38d1fb55d4e6139f963cd5efb

SHA1
e5fa56972a9e04e86ee7789cfcc08dbe29b57da5

SHA256
91124cf3f9aa8c849baab0f276e86bd97307aea298cf5078105d882b897c70be

SHA512
7a17d266e080a9ba5853be68dbde2e07338ff463108d4d01f5e83cba0e94a4a6969e8ac385d6af14dae7622268a2d24fca1ff257bd45047aefdc06c377d8ba94

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259457368.txt

Filesize
50KB

MD5
514fab92939b7391cc452c5c9e25fc0c

SHA1
3217670b3b9b5b517239ac40737b3e7398b8f138

SHA256
cb951042ce5be64d020262607a2a99e1e19bcacd4971102891b3189246380513

SHA512
b9258ed1772eda5b658c57549bbe66ec9a4f5c409f09af7e4fa772e2850cc695c1c6ac0f3da344e4e0233a8d2afa62b52d1f5f7d115abfb7b81475a492d50c81

Download Submit
memory/2616-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2712-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2712-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2712-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2712-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads