gh0strat | b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de

General

Target

b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe
Size

2.3MB
MD5

4e0c3091c3c282a9b694abfc53dd5382
SHA1

e20cd3607358aab6911441bcf0b5079f9529ae11
SHA256

b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de
SHA512

98c734e6bc0093103f2b3980e908272fe86ca5a50e6f8f66750f3dc98352503ac3d60e389dbb2c37e0e52bf70bf74ab94031eadb3c267ecb6e47643bf6ba100a
SSDEEP

24576:WCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHI:WCwsbCANnKXferL7Vwe/Gg0P+WhehW9X

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/4976-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4976-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4976-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2252-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2252-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2252-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2252-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1840-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1840-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1840-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023c84-5.dat	family_gh0strat
behavioral2/memory/4976-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4976-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4976-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2252-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2252-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2252-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2252-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1840-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1840-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1840-38-0x0000000010000000-0x00000000101B6000-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
2724	R.exe
4976	N.exe
2252	TXPlatfor.exe
1840	TXPlatfor.exe

Loads dropped DLL 1 IoCs

pid	Process
2724	R.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240634906.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
behavioral2/memory/4976-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4976-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4976-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4976-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2252-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2252-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2252-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2252-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2252-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1840-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1840-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1840-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4416	2724	WerFault.exe	83

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe
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

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
1304	cmd.exe
3688	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3688	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1840	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4976	N.exe
Token: SeLoadDriverPrivilege	1840	TXPlatfor.exe
Token: 33	1840	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1840	TXPlatfor.exe
Token: 33	1840	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1840	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2308	b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe
2308	b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2724	2308	b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe	83
PID 2308 wrote to memory of 2724	2308	b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe	83
PID 2308 wrote to memory of 2724	2308	b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe	83
PID 2308 wrote to memory of 4976	2308	b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe	87
PID 2308 wrote to memory of 4976	2308	b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe	87
PID 2308 wrote to memory of 4976	2308	b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe	87
PID 4976 wrote to memory of 1304	4976	N.exe	89
PID 4976 wrote to memory of 1304	4976	N.exe	89
PID 4976 wrote to memory of 1304	4976	N.exe	89
PID 2252 wrote to memory of 1840	2252	TXPlatfor.exe	90
PID 2252 wrote to memory of 1840	2252	TXPlatfor.exe	90
PID 2252 wrote to memory of 1840	2252	TXPlatfor.exe	90
PID 1304 wrote to memory of 3688	1304	cmd.exe	92
PID 1304 wrote to memory of 3688	1304	cmd.exe	92
PID 1304 wrote to memory of 3688	1304	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe
"C:\Users\Admin\AppData\Local\Temp\b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2308
- 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:2724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 460
    3⤵
    - Program crash
    PID:4416
- 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:4976
- - 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:1304
  - - 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:3688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2724 -ip 2724
1⤵
PID:1956

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- 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:1840

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\AppData\Local\Temp\HD_X.dat

Filesize
2.3MB

MD5
4e0c3091c3c282a9b694abfc53dd5382

SHA1
e20cd3607358aab6911441bcf0b5079f9529ae11

SHA256
b8d2d6c52b0e514362a3c98a709f2ea386b4e094b1284896c34ec34622d179de

SHA512
98c734e6bc0093103f2b3980e908272fe86ca5a50e6f8f66750f3dc98352503ac3d60e389dbb2c37e0e52bf70bf74ab94031eadb3c267ecb6e47643bf6ba100a

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240634906.txt

Filesize
899KB

MD5
250422d67396ce53a4e7611afe9f6994

SHA1
1849614744909d0674554054292180b8911a3942

SHA256
a60a6b318653ef7d3f342257656ef2d1585d2a893e93c5c9bc26b801b366e0ea

SHA512
2832a3071a99af2c4693645dbbd25a94ee9948345974f644769a747af956d271720360bfd558c2530075bdc4484dee6b947a073dc71c3b69e6cafb43d6831c39

Download Submit
memory/1840-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1840-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1840-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2252-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2252-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2252-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2252-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2252-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4976-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4976-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4976-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4976-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads