gh0strat | f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd

General

Target

f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe
Size

2.5MB
MD5

7477eed5e1239baddc71a156769380e1
SHA1

cbff788d8a2c456c4b46875206f81552752b8984
SHA256

f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd
SHA512

419550806ed29090455448ace647d24286d321ccc9462a3399c8a8397b703ef9e767acfced044a38f49d6017fda27e1e5d518989141678b145862b7355012bf9
SSDEEP

24576:ECwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHu:ECwsbCANnKXferL7Vwe/Gg0P+WhW8X

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4532-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4532-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4532-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4392-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4392-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4392-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2564-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4392-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2564-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2564-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x0007000000023cc1-5.dat	family_gh0strat
behavioral2/memory/4532-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4532-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4532-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4392-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4392-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4392-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2564-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4392-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2564-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2564-38-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatfor.exe

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

Processes:

TXPlatfor.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 4 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exe

pid	Process
3380	R.exe
4532	N.exe
4392	TXPlatfor.exe
2564	TXPlatfor.exe

Loads dropped DLL 1 IoCs

Processes:

R.exe

pid	Process
3380	R.exe

Drops file in System32 directory 3 IoCs

Processes:

R.exeN.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\240638718.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

Processes:

resource	yara_rule
behavioral2/memory/4532-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4532-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4532-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4532-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4392-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4392-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4392-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4392-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2564-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4392-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2564-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2564-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
2072	3380	WerFault.exe	84
4320	3380	WerFault.exe	84

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

Processes:

PING.EXEf8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exeR.exeN.exeTXPlatfor.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

Processes:

cmd.exePING.EXE

pid	Process
3948	cmd.exe
3392	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
3392	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid	Process
2564	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	4532	N.exe
Token: SeLoadDriverPrivilege	2564	TXPlatfor.exe
Token: 33	2564	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2564	TXPlatfor.exe
Token: 33	2564	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2564	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe

pid	Process
4608	f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe
4608	f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exeN.exeTXPlatfor.execmd.exe

description	pid	Process	procid_target
PID 4608 wrote to memory of 3380	4608	f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe	84
PID 4608 wrote to memory of 3380	4608	f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe	84
PID 4608 wrote to memory of 3380	4608	f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe	84
PID 4608 wrote to memory of 4532	4608	f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe	93
PID 4608 wrote to memory of 4532	4608	f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe	93
PID 4608 wrote to memory of 4532	4608	f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe	93
PID 4532 wrote to memory of 3948	4532	N.exe	95
PID 4532 wrote to memory of 3948	4532	N.exe	95
PID 4532 wrote to memory of 3948	4532	N.exe	95
PID 4392 wrote to memory of 2564	4392	TXPlatfor.exe	96
PID 4392 wrote to memory of 2564	4392	TXPlatfor.exe	96
PID 4392 wrote to memory of 2564	4392	TXPlatfor.exe	96
PID 3948 wrote to memory of 3392	3948	cmd.exe	98
PID 3948 wrote to memory of 3392	3948	cmd.exe	98
PID 3948 wrote to memory of 3392	3948	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe
"C:\Users\Admin\AppData\Local\Temp\f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4608
- 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:3380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 472
    3⤵
    - Program crash
    PID:2072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 528
    3⤵
    - Program crash
    PID:4320
- 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:4532
- - 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:3948
  - - 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:3392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3380 -ip 3380
1⤵
PID:3528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3380 -ip 3380
1⤵
PID:3960

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:4392
- 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:2564

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
2.5MB

MD5
7477eed5e1239baddc71a156769380e1

SHA1
cbff788d8a2c456c4b46875206f81552752b8984

SHA256
f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd

SHA512
419550806ed29090455448ace647d24286d321ccc9462a3399c8a8397b703ef9e767acfced044a38f49d6017fda27e1e5d518989141678b145862b7355012bf9

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\240638718.txt

Filesize
899KB

MD5
7ed06f1372bdfd45a360e96442dda365

SHA1
e12189d40cd9e4e9db3b93e8d2d3f2ac6ccd8a6d

SHA256
d268ae544d25ef96e005d58b073a13ca39c2a0d20a1fca73afdd9d7572c3eb8e

SHA512
a3d90e7ba34f0c88748a42efeb40c8a008b0d8b263854a4a25c5a4c9171490ee8d31415d380bb923de6e101aff19fda89e022f4260ee9f896ae890a07cf1a0f3

Download Submit
memory/2564-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4392-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4392-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4392-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4392-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4392-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4532-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4532-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4532-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4532-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads