gh0strat | 3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8

General

Target

3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
Size

2.6MB
MD5

2138cfe0780edebe2b0b2b7993056a39
SHA1

253a943e1c52c8f418fe37a4c12197c00f04ca9d
SHA256

3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8
SHA512

12f42cf14bbd1f06cb5c070a1a73ab4d2f56424e5255422b13e2feb1025f11d23a5edcb37cd936203aed6311eefba3fdcaf71a681b918b7d0a3535e035c81ad9
SSDEEP

24576:NCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHO:NCwsbCANnKXferL7Vwe/Gg0P+WhAR1W

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/3008-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3008-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3008-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3240-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3240-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3240-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3240-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4792-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4792-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4792-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/files/0x00080000000234a4-5.dat	family_gh0strat
behavioral2/memory/3008-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3008-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3008-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3240-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3240-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3240-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3240-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4792-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4792-52-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4792-54-0x0000000010000000-0x00000000101B6000-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 5 IoCs

pid	Process
4828	R.exe
3008	N.exe
3240	TXPlatfor.exe
4792	TXPlatfor.exe
5084	HD_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe

Loads dropped DLL 1 IoCs

pid	Process
4828	R.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3008-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3008-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3008-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3008-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3240-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3240-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3240-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3240-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3240-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4792-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4792-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4792-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240625593.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3728	4828	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 7 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	HD_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.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
2592	PING.EXE
400	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2592	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4792	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3008	N.exe
Token: SeLoadDriverPrivilege	4792	TXPlatfor.exe
Token: 33	4792	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4792	TXPlatfor.exe
Token: 33	4792	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4792	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 4828	4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	83
PID 4440 wrote to memory of 4828	4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	83
PID 4440 wrote to memory of 4828	4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	83
PID 4440 wrote to memory of 3008	4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	90
PID 4440 wrote to memory of 3008	4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	90
PID 4440 wrote to memory of 3008	4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	90
PID 3008 wrote to memory of 400	3008	N.exe	92
PID 3008 wrote to memory of 400	3008	N.exe	92
PID 3008 wrote to memory of 400	3008	N.exe	92
PID 3240 wrote to memory of 4792	3240	TXPlatfor.exe	93
PID 3240 wrote to memory of 4792	3240	TXPlatfor.exe	93
PID 3240 wrote to memory of 4792	3240	TXPlatfor.exe	93
PID 4440 wrote to memory of 5084	4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	95
PID 4440 wrote to memory of 5084	4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	95
PID 4440 wrote to memory of 5084	4440	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	95
PID 400 wrote to memory of 2592	400	cmd.exe	96
PID 400 wrote to memory of 2592	400	cmd.exe	96
PID 400 wrote to memory of 2592	400	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
"C:\Users\Admin\AppData\Local\Temp\3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4440
- 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:4828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 516
    3⤵
    - Program crash
    PID:3728
- 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:3008
- - 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:400
  - - 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:2592
- C:\Users\Admin\AppData\Local\Temp\HD_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
  C:\Users\Admin\AppData\Local\Temp\HD_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4828 -ip 4828
1⤵
PID:664

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:3240
- 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:4792

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_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe

Filesize
240KB

MD5
f9866e44cc75e918414c0022d2d70874

SHA1
50fba0d0436c8432b113d65e8ec01eb2191bee6c

SHA256
0250c64249cb099c186bca770dd90d571a9fe12f4fab986f1b3124e833adb974

SHA512
b1173f66ec24a95ee484deb7575337f542fa831e92909383463e7e6a18a85ad33492e50314ab45323951f65c23c429c10f66d5297843fef5c791384bba518e56

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

Filesize
2.4MB

MD5
2be3e77dac90b63b434152e469f9c3f9

SHA1
1540fc82b46394532cd29a8d391df5bb94f6abb8

SHA256
00528fa30442f6a5bd8a41ca8a469fd30b5aec961b8620a2b3a162c0a2cab36a

SHA512
9c110f9f373c4b88ea5862961b57a6fc8979f94c2a1b108654c11265e97a6457efad2a68d46c2c428e0133049c2c28863d63bfeb7b03fd99816505c0f17cd521

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\240625593.txt

Filesize
899KB

MD5
aaeaa1fafac5500ed64fc3281836e7aa

SHA1
0be2a8c86bce37a4a3ecb951f566f808e0025bc7

SHA256
c5bd5fcc62a1593369c56006f8b925c56e9b063ad65250e6dcba5e0d08fa8fdc

SHA512
f0c0855ee3aa3a38f80113e222dd08fb3bcacfe5bee27ca3b142869568bd193daebc6493d649c577ae69c7b5d9e99e3ee1e918594a6dee946c042410bb0d7af3

Download Submit
memory/3008-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3240-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3240-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3240-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3240-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3240-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4792-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4792-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4792-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads