gh0strat | f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 07:04

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General

Target

f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe
Size

2.7MB
MD5

309551f40bf2e6b3c4cb241907cbb8c8
SHA1

94179e87d777addffd9108123c580405ad6df3dd
SHA256

f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394
SHA512

9a141f653d27b8c2bc0d6f07d6fe9bf20f3bc572c132f76e64adc774e5fd6161332f88c0cbed16b9c6a78cd3ea5f387e56c33f8e6da6efb15d6406a053a32e16
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTu8SF3eBpc/:pws2ANnKXOaeOgmhI1BTundeBpc/

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2680-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2680-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2564-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2564-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2564-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2564-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2564-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016890-6.dat	family_gh0strat
behavioral1/memory/2680-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2680-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2564-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2564-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2564-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2564-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2564-51-0x0000000010000000-0x00000000101B6000-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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259475183.txt"	R.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 6 IoCs

pid	Process
1780	R.exe
2680	N.exe
2296	TXPlatfor.exe
2884	HD_f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe
2564	TXPlatfor.exe
2812	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe
1780	R.exe
2880	svchost.exe
2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe
2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe
2296	TXPlatfor.exe
2880	svchost.exe
2812	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259475183.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2680-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 8 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	svchost.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	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.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
2764	cmd.exe
2756	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2756	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2564	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2680	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

pid	Process
2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe
2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 1780	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	30
PID 2640 wrote to memory of 1780	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	30
PID 2640 wrote to memory of 1780	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	30
PID 2640 wrote to memory of 1780	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	30
PID 2640 wrote to memory of 2680	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	33
PID 2640 wrote to memory of 2680	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	33
PID 2640 wrote to memory of 2680	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	33
PID 2640 wrote to memory of 2680	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	33
PID 2640 wrote to memory of 2680	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	33
PID 2640 wrote to memory of 2680	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	33
PID 2640 wrote to memory of 2680	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	33
PID 2680 wrote to memory of 2764	2680	N.exe	35
PID 2680 wrote to memory of 2764	2680	N.exe	35
PID 2680 wrote to memory of 2764	2680	N.exe	35
PID 2680 wrote to memory of 2764	2680	N.exe	35
PID 2640 wrote to memory of 2884	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	37
PID 2640 wrote to memory of 2884	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	37
PID 2640 wrote to memory of 2884	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	37
PID 2640 wrote to memory of 2884	2640	f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe	37
PID 2296 wrote to memory of 2564	2296	TXPlatfor.exe	38
PID 2296 wrote to memory of 2564	2296	TXPlatfor.exe	38
PID 2296 wrote to memory of 2564	2296	TXPlatfor.exe	38
PID 2296 wrote to memory of 2564	2296	TXPlatfor.exe	38
PID 2296 wrote to memory of 2564	2296	TXPlatfor.exe	38
PID 2296 wrote to memory of 2564	2296	TXPlatfor.exe	38
PID 2296 wrote to memory of 2564	2296	TXPlatfor.exe	38
PID 2764 wrote to memory of 2756	2764	cmd.exe	40
PID 2764 wrote to memory of 2756	2764	cmd.exe	40
PID 2764 wrote to memory of 2756	2764	cmd.exe	40
PID 2764 wrote to memory of 2756	2764	cmd.exe	40
PID 2880 wrote to memory of 2812	2880	svchost.exe	42
PID 2880 wrote to memory of 2812	2880	svchost.exe	42
PID 2880 wrote to memory of 2812	2880	svchost.exe	42
PID 2880 wrote to memory of 2812	2880	svchost.exe	42

C:\Users\Admin\AppData\Local\Temp\f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe
"C:\Users\Admin\AppData\Local\Temp\f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1780
- 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:2680
- - 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:2764
  - - 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:2756
- C:\Users\Admin\AppData\Local\Temp\HD_f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe
  C:\Users\Admin\AppData\Local\Temp\HD_f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe
  2⤵
  - Executes dropped EXE
  PID:2884

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2816

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259475183.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2812

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:2296
- 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

T1547

Registry Run Keys / Startup Folder

T1547.001

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\Desktop\ConvertFromMove.exe

Filesize
3.1MB

MD5
29ee710092d3050bfa56e2b2b916b31a

SHA1
080261fca2b8f321c8cac02f1f607192094ae91a

SHA256
e49f936925e5713888359831122f23d5b02bc67ae06ee8c4c7189ea364ddfb5f

SHA512
f34bca44662cdff721323a3ff8b459e71e304fc230b0c7f0e1a5fba6f179a156144dca9d0d43dce0f6a1944ca43ebc604ffdfa13e891a9eec92cce8b66d83c85

Download Submit
\Users\Admin\AppData\Local\Temp\HD_f1d23eac841a920f8677dbf2e4ab2b74fbf37bc6bbeb4824edfe0457d3b15394.exe

Filesize
181KB

MD5
eb3a58b8d94e2cce96e1c8cc9983962c

SHA1
651692d8fb6201167e64794b636d522d5432c4e6

SHA256
2854c724d864a33ce3b5b53bd4d1fe30665c971122c33aab3126654af145cf53

SHA512
e20658d46e8d1dc5a54333877d67d33db38bde708912c6088165d1d1eb2b8c03ef05956dd8d2f447639872eb7001273e42402c1dfcd14175320a7ab8f5b91325

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259475183.txt

Filesize
899KB

MD5
1bf3345e01e68ffbdd7b67c5bda68f1b

SHA1
b3c3d55ef08632d012b5e865cee4cba3a47ca1a7

SHA256
af64e67e3b9a4a2dc96233c5564a5bb648725fece4c48308ca87ecf31f1a2427

SHA512
99c475593d77dd567582d304588c69beeec72ce15940c871ee5f5689da68b006c6d9ca75339ed9dceda69bb246abea2edde2106eb49e2e115674ddcad3ac0536

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2564-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2680-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2680-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2680-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download