gh0strat | 8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc

General

Target

8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe
Size

2.8MB
MD5

09813333ad1b174409e70938c64d93d7
SHA1

843e1434c439ed2bf661d049b91ff9e2709aa369
SHA256

8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc
SHA512

55c6d4673f08ead35d1401c34bbaf8f5fc7c7ad4a3d38ec9b54d1b148ffce0dfc33460f3e57d70b967695af059882caee89d391a7a8bb1c87f1776c5e97bf5d9
SSDEEP

49152:8CwsbCANnKXferL7Vwe/Gg0P+Wh6A25+P:vws2ANnKXOaeOgmh6A2oP

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/2964-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2992-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2992-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2636-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2636-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2636-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x0008000000014714-6.dat	family_gh0strat
behavioral1/memory/2964-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2992-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2992-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2636-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2636-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2636-47-0x0000000010000000-0x00000000101B6000-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	TXPlatfor.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"	TXPlatfor.exe

Executes dropped EXE 4 IoCs

pid	Process
2424	R.exe
2964	N.exe
2992	TXPlatfor.exe
2636	TXPlatfor.exe

Loads dropped DLL 4 IoCs

pid	Process
1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe
2424	R.exe
1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe
2992	TXPlatfor.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259415170.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2964-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2992-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2992-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2636-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2636-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2636-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.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
2520	PING.EXE
2056	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2520	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2636	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2964	N.exe
Token: SeLoadDriverPrivilege	2636	TXPlatfor.exe
Token: 33	2636	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2636	TXPlatfor.exe
Token: 33	2636	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2636	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe
1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2424	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	28
PID 1852 wrote to memory of 2424	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	28
PID 1852 wrote to memory of 2424	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	28
PID 1852 wrote to memory of 2424	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	28
PID 1852 wrote to memory of 2964	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	29
PID 1852 wrote to memory of 2964	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	29
PID 1852 wrote to memory of 2964	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	29
PID 1852 wrote to memory of 2964	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	29
PID 1852 wrote to memory of 2964	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	29
PID 1852 wrote to memory of 2964	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	29
PID 1852 wrote to memory of 2964	1852	8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe	29
PID 2992 wrote to memory of 2636	2992	TXPlatfor.exe	32
PID 2992 wrote to memory of 2636	2992	TXPlatfor.exe	32
PID 2992 wrote to memory of 2636	2992	TXPlatfor.exe	32
PID 2992 wrote to memory of 2636	2992	TXPlatfor.exe	32
PID 2992 wrote to memory of 2636	2992	TXPlatfor.exe	32
PID 2992 wrote to memory of 2636	2992	TXPlatfor.exe	32
PID 2992 wrote to memory of 2636	2992	TXPlatfor.exe	32
PID 2964 wrote to memory of 2056	2964	N.exe	31
PID 2964 wrote to memory of 2056	2964	N.exe	31
PID 2964 wrote to memory of 2056	2964	N.exe	31
PID 2964 wrote to memory of 2056	2964	N.exe	31
PID 2056 wrote to memory of 2520	2056	cmd.exe	34
PID 2056 wrote to memory of 2520	2056	cmd.exe	34
PID 2056 wrote to memory of 2520	2056	cmd.exe	34
PID 2056 wrote to memory of 2520	2056	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe
"C:\Users\Admin\AppData\Local\Temp\8a23c4aee2984d460d21c9fe34c7eefcb41af2c020700027c572ca444e4888bc.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2424
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.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:2964
- - 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\N.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2056
  - - 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:2520

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:2636

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 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\Desktop\RequestWrite.exe

Filesize
2.9MB

MD5
e1f9e3e198ee57ae6b095922d2047154

SHA1
463c01bd05c0a9f2bda92baf6fbb6f7b78dcb3b3

SHA256
99737027d2a487f5a69f2259311c97a8512b15152dea553902ac53b54634fad2

SHA512
1f0441b90d74c1dd1fca25727b4cbfab0e0e95f98d2a81b25047bd7c4d75418e98d6d1b2ac653dafb0514309c32b7b4d0bad97fd431d2753ff4094b5c369fbe6

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259415170.txt

Filesize
899KB

MD5
0404831d364f6ec589438e67f312a002

SHA1
336ebb5db0541180652aa6a8cc7e9187d3c15e9b

SHA256
0c262643ff736bf89ac3404614da4ebe10ef9dd681f1daad8d71be840049f3df

SHA512
bd0a22fe0015e2f26a45ff48c75aad4a0a456be4f53280bfc4868fdfb324daf437f1b7777873ab4b7e094727d422cc170a57ae90fa2419aa1b6dc86f5c76ee05

Download Submit
memory/2636-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2636-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2636-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2992-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2992-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads