gh0strat | cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b

General

Target

cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe
Size

1.2MB
MD5

1a8cf4ca719ff4fa73d160d36a4a2b38
SHA1

96e5abc09a440451ac070acc71e950d73c3be78d
SHA256

cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b
SHA512

a34f84d2c4771df3d2ec95859435e9d33860012a7e50905259a00256105dd08a81f09a93f05f0b15916fd9aebcd49f764491b1bbf9410f82a287072063c568bd
SSDEEP

24576:JQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVKR70JeS:JQZAdVyVT9n/Gg0P+WhoB5WeS

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3044-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3044-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3044-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3260-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3260-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3260-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3260-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2852-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2852-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2852-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/3044-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3044-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3044-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3260-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3260-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3260-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3260-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x00070000000234c1-23.dat	family_gh0strat
behavioral2/memory/2852-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2852-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2852-37-0x0000000010000000-0x00000000101B6000-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 4 IoCs

pid	Process
3044	svchost.exe
3260	TXPlatforn.exe
1620	svchos.exe
2852	TXPlatforn.exe

Loads dropped DLL 1 IoCs

pid	Process
1620	svchos.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3044-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3044-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3044-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3044-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3260-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3260-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3260-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3260-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3260-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2852-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2852-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2852-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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\240633343.txt	svchos.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.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
3184	1620	WerFault.exe
4984	1620	WerFault.exe	87

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
2192	PING.EXE
916	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2192	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2852	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3044	svchost.exe
Token: SeLoadDriverPrivilege	2852	TXPlatforn.exe
Token: 33	2852	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2852	TXPlatforn.exe
Token: 33	2852	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2852	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3860	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe
3860	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3860 wrote to memory of 3044	3860	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe	84
PID 3860 wrote to memory of 3044	3860	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe	84
PID 3860 wrote to memory of 3044	3860	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe	84
PID 3044 wrote to memory of 916	3044	svchost.exe	86
PID 3044 wrote to memory of 916	3044	svchost.exe	86
PID 3044 wrote to memory of 916	3044	svchost.exe	86
PID 3860 wrote to memory of 1620	3860	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe	87
PID 3860 wrote to memory of 1620	3860	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe	87
PID 3860 wrote to memory of 1620	3860	cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe	87
PID 3260 wrote to memory of 2852	3260	TXPlatforn.exe	89
PID 3260 wrote to memory of 2852	3260	TXPlatforn.exe	89
PID 3260 wrote to memory of 2852	3260	TXPlatforn.exe	89
PID 916 wrote to memory of 2192	916	cmd.exe	93
PID 916 wrote to memory of 2192	916	cmd.exe	93
PID 916 wrote to memory of 2192	916	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe
"C:\Users\Admin\AppData\Local\Temp\cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3860
- 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:3044
- - 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:916
  - - 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:2192
- 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:1620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 448
    3⤵
    - Program crash
    PID:3184
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 488
    3⤵
    - Program crash
    PID:4984

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:3260
- 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:2852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1620 -ip 1620
1⤵
PID:1464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1620 -ip 1620
1⤵
PID:1612

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
1a8cf4ca719ff4fa73d160d36a4a2b38

SHA1
96e5abc09a440451ac070acc71e950d73c3be78d

SHA256
cba6d61c366abf0fe6796b5ea30997a678f17da820dcd4b2ffc8b0c126b44a5b

SHA512
a34f84d2c4771df3d2ec95859435e9d33860012a7e50905259a00256105dd08a81f09a93f05f0b15916fd9aebcd49f764491b1bbf9410f82a287072063c568bd

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\240633343.txt

Filesize
50KB

MD5
69d1947ad8f06ac8e885913c4c03c8fd

SHA1
ada1f4858453bd0a56c3b923afbde81e4de71b3d

SHA256
4f393aa8793941edd75a8f6b2d1d5ad8f390eb57ad559e35caa0a06f5ddc32ef

SHA512
4ae845c93d437fd0265f75cadb801d46180cc030ceb9072799fdd46538ea55c3dd64047b7a590a61db03e8094778ec340577dcdcd9239495977e6f0f40de0013

Download Submit
memory/2852-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2852-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2852-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3260-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3260-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3260-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3260-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3260-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads