gh0strat | fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2

General

Target

fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
Size

4.7MB
MD5

03326882dd2ac7e04fe490898b8ea812
SHA1

aa4273a0602628173c819d432af4266de4c685e9
SHA256

fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2
SHA512

3046ba1f498497cc0eea3b0c5358df45688a9848c94be3468c11f04f2467179a660daaa3eb98be85afd0eba5bdd122f4c5995097ba95dd25bd4237bc8b034538
SSDEEP

49152:CQZAdVyVT9n/Gg0P+WhodNhwbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4Of:bGdVyVT9nOgmhyhwbXsPN5kiQaZ56

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/3824-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3824-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3824-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3396-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3396-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4660-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4660-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4660-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4660-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3396-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3396-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/3824-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3824-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3824-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3396-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3396-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4660-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4660-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4660-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4660-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x000a000000023b73-24.dat	family_gh0strat
behavioral2/memory/3396-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3396-15-0x0000000010000000-0x00000000101B6000-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 5 IoCs

pid	Process
3824	svchost.exe
3396	TXPlatforn.exe
3968	svchos.exe
4660	TXPlatforn.exe
4144	HD_fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe

Loads dropped DLL 1 IoCs

pid	Process
3968	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\240614781.txt	svchos.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3824-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3824-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3824-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3824-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3396-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3396-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3396-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4660-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4660-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4660-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4660-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3396-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3396-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.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 7 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	HD_fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.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
3736	cmd.exe
620	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
620	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4660	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3824	svchost.exe
Token: SeLoadDriverPrivilege	4660	TXPlatforn.exe
Token: 33	4660	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4660	TXPlatforn.exe
Token: 33	4660	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4660	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 3824	2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe	83
PID 2052 wrote to memory of 3824	2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe	83
PID 2052 wrote to memory of 3824	2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe	83
PID 3824 wrote to memory of 3736	3824	svchost.exe	85
PID 3824 wrote to memory of 3736	3824	svchost.exe	85
PID 3824 wrote to memory of 3736	3824	svchost.exe	85
PID 2052 wrote to memory of 3968	2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe	86
PID 2052 wrote to memory of 3968	2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe	86
PID 2052 wrote to memory of 3968	2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe	86
PID 3396 wrote to memory of 4660	3396	TXPlatforn.exe	87
PID 3396 wrote to memory of 4660	3396	TXPlatforn.exe	87
PID 3396 wrote to memory of 4660	3396	TXPlatforn.exe	87
PID 3736 wrote to memory of 620	3736	cmd.exe	90
PID 3736 wrote to memory of 620	3736	cmd.exe	90
PID 3736 wrote to memory of 620	3736	cmd.exe	90
PID 2052 wrote to memory of 4144	2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe	88
PID 2052 wrote to memory of 4144	2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe	88
PID 2052 wrote to memory of 4144	2052	fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe	88

C:\Users\Admin\AppData\Local\Temp\fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
"C:\Users\Admin\AppData\Local\Temp\fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2052
- 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:3824
- - 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:3736
  - - 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:620
- 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:3968
- C:\Users\Admin\AppData\Local\Temp\HD_fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
  C:\Users\Admin\AppData\Local\Temp\HD_fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4144

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:3396
- 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:4660

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
1.6MB

MD5
a22d8e01e4680dac3675f54a220f9013

SHA1
5aab3b0d83d2a652715ea28c769c53fa48bfb957

SHA256
d979b33357be10046a61b271705590e982a497d156e9ff5bef656f3d9fa8e92a

SHA512
ed30d983825e3b81d898ba5184f6cfcf7a9b3c3cf20d260bd0e89b9a649be52fa7befc6deb25dbb08418dec76d592578be59b0ccd7d059696ec28302522e2d52

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_fe3f04c55a47e06c641fae1d1458bb2601705aa9c9758b2bfd5ed68264225ca2.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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\240614781.txt

Filesize
50KB

MD5
75551eda5d2ceceaf986684d66f8d772

SHA1
b4ea4999d1f091761b0f9898af71ac49737ddb0c

SHA256
d53fb0f55a2675f008476c4f77361f2e5ea01c8fe07fdf02237be3143d35cf3d

SHA512
94638c5b716e2679bb76ac1b5fb82f16562691572ecf7946f8e9279a385186a61771350099590f12dbb986341bb5d84e26038faa22454c0462138aca5d4b30d3

Download Submit
memory/3396-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3396-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3396-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3396-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3396-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3824-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3824-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3824-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3824-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4660-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4660-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4660-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4660-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads