gh0strat | 4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852

General

Target

4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe
Size

2.6MB
MD5

0d8e4c427b9b0a23d50e2858d40cebe5
SHA1

e42c9275bdcd51fe0032019c1d372e1b64990162
SHA256

4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852
SHA512

1210648ef0339720fd744397766a0f6b3072b7576d0b4994add8023fa5906c61808282713bd7e5bea2e0ddf0462b4c513d4b8d4110d95e3d7edc43449909c349
SSDEEP

24576:eCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHB:eCwsbCANnKXferL7Vwe/Gg0P+WhGCq

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
behavioral1/memory/3040-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3040-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3040-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2068-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2068-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1580-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1580-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1580-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1580-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1580-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/files/0x0008000000015fba-6.dat	family_gh0strat
behavioral1/memory/3040-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3040-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3040-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2068-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2068-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1580-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1580-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1580-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1580-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1580-41-0x0000000010000000-0x00000000101B6000-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	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
2076	R.exe
3040	N.exe
2068	TXPlatfor.exe
1580	TXPlatfor.exe

Loads dropped DLL 4 IoCs

pid	Process
2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe
2076	R.exe
2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe
2068	TXPlatfor.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259436214.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 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3040-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3040-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3040-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3040-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2068-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2068-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1580-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1580-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1580-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1580-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1580-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1580-41-0x0000000010000000-0x00000000101B6000-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	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.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
2776	cmd.exe
2720	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2720	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1580	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3040	N.exe
Token: SeLoadDriverPrivilege	1580	TXPlatfor.exe
Token: 33	1580	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1580	TXPlatfor.exe
Token: 33	1580	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1580	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe
2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2076	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	30
PID 2508 wrote to memory of 2076	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	30
PID 2508 wrote to memory of 2076	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	30
PID 2508 wrote to memory of 2076	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	30
PID 2508 wrote to memory of 3040	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	31
PID 2508 wrote to memory of 3040	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	31
PID 2508 wrote to memory of 3040	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	31
PID 2508 wrote to memory of 3040	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	31
PID 2508 wrote to memory of 3040	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	31
PID 2508 wrote to memory of 3040	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	31
PID 2508 wrote to memory of 3040	2508	4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe	31
PID 3040 wrote to memory of 2776	3040	N.exe	33
PID 3040 wrote to memory of 2776	3040	N.exe	33
PID 3040 wrote to memory of 2776	3040	N.exe	33
PID 3040 wrote to memory of 2776	3040	N.exe	33
PID 2068 wrote to memory of 1580	2068	TXPlatfor.exe	35
PID 2068 wrote to memory of 1580	2068	TXPlatfor.exe	35
PID 2068 wrote to memory of 1580	2068	TXPlatfor.exe	35
PID 2068 wrote to memory of 1580	2068	TXPlatfor.exe	35
PID 2068 wrote to memory of 1580	2068	TXPlatfor.exe	35
PID 2068 wrote to memory of 1580	2068	TXPlatfor.exe	35
PID 2068 wrote to memory of 1580	2068	TXPlatfor.exe	35
PID 2776 wrote to memory of 2720	2776	cmd.exe	36
PID 2776 wrote to memory of 2720	2776	cmd.exe	36
PID 2776 wrote to memory of 2720	2776	cmd.exe	36
PID 2776 wrote to memory of 2720	2776	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe
"C:\Users\Admin\AppData\Local\Temp\4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2508
- 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:2076
- 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:3040
- - 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:2776
  - - 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:2720

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:2068
- 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:1580

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2.6MB

MD5
0d8e4c427b9b0a23d50e2858d40cebe5

SHA1
e42c9275bdcd51fe0032019c1d372e1b64990162

SHA256
4507f7d268b5db73ccaf074b2600987084e32045cb52d31030e7dd299107a852

SHA512
1210648ef0339720fd744397766a0f6b3072b7576d0b4994add8023fa5906c61808282713bd7e5bea2e0ddf0462b4c513d4b8d4110d95e3d7edc43449909c349

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\259436214.txt

Filesize
899KB

MD5
f2365a78226a34d18d08885fc68f23bb

SHA1
d11308c2accb9324ec049b19c87fe6d4bbab159c

SHA256
9102c9e3e5d0009706b86d898107c236b0d01e28fd596d45ab9e5e00265cab5f

SHA512
850381d4d507796cf534d8c5f4f2879a1f8d45d03205dcdd09b71bdffdc371aa2d5fc36dca48c8c9e7fc264044650f42b54d7f8432693e726b6624fe68416e96

Download Submit
memory/1580-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1580-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1580-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1580-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1580-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1580-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2068-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2068-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3040-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3040-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3040-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3040-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads