gh0strat | bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 23:44

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General

Target

bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe
Size

2.6MB
MD5

a115b0f35d3da4422161412b02af7f7e
SHA1

d044c0e2e7727d799a30677fe8031e5c5dce8e06
SHA256

bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6
SHA512

6dba3a3e9d3f7363b05e66af03d797462363f6e7a7ead07bd70a42899b8ac6976b160f27ffbe5a8ccc47bebfa18bfd1760d9193dc69585586c651c4fa79eb346
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuE8X:pws2ANnKXOaeOgmhI1BTuE8X

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2372-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2372-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2372-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2188-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2188-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016d4b-6.dat	family_gh0strat
behavioral1/memory/2372-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2372-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2372-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2188-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2188-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-47-0x0000000010000000-0x00000000101B6000-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 5 IoCs

pid	Process
2592	R.exe
2372	N.exe
2188	TXPlatfor.exe
2556	HD_bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe
2940	TXPlatfor.exe

Loads dropped DLL 5 IoCs

pid	Process
2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe
2592	R.exe
2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe
2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe
2188	TXPlatfor.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259429335.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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2372-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2372-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2372-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2372-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2188-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2188-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-47-0x0000000010000000-0x00000000101B6000-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	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
2548	cmd.exe
3060	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3060	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2940	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2372	N.exe
Token: SeLoadDriverPrivilege	2940	TXPlatfor.exe
Token: 33	2940	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2940	TXPlatfor.exe
Token: 33	2940	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2940	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe
2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2592	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	30
PID 2412 wrote to memory of 2592	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	30
PID 2412 wrote to memory of 2592	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	30
PID 2412 wrote to memory of 2592	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	30
PID 2412 wrote to memory of 2372	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	31
PID 2412 wrote to memory of 2372	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	31
PID 2412 wrote to memory of 2372	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	31
PID 2412 wrote to memory of 2372	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	31
PID 2412 wrote to memory of 2372	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	31
PID 2412 wrote to memory of 2372	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	31
PID 2412 wrote to memory of 2372	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	31
PID 2372 wrote to memory of 2548	2372	N.exe	33
PID 2372 wrote to memory of 2548	2372	N.exe	33
PID 2372 wrote to memory of 2548	2372	N.exe	33
PID 2372 wrote to memory of 2548	2372	N.exe	33
PID 2412 wrote to memory of 2556	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	35
PID 2412 wrote to memory of 2556	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	35
PID 2412 wrote to memory of 2556	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	35
PID 2412 wrote to memory of 2556	2412	bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe	35
PID 2188 wrote to memory of 2940	2188	TXPlatfor.exe	37
PID 2188 wrote to memory of 2940	2188	TXPlatfor.exe	37
PID 2188 wrote to memory of 2940	2188	TXPlatfor.exe	37
PID 2188 wrote to memory of 2940	2188	TXPlatfor.exe	37
PID 2188 wrote to memory of 2940	2188	TXPlatfor.exe	37
PID 2188 wrote to memory of 2940	2188	TXPlatfor.exe	37
PID 2188 wrote to memory of 2940	2188	TXPlatfor.exe	37
PID 2548 wrote to memory of 3060	2548	cmd.exe	38
PID 2548 wrote to memory of 3060	2548	cmd.exe	38
PID 2548 wrote to memory of 3060	2548	cmd.exe	38
PID 2548 wrote to memory of 3060	2548	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe
"C:\Users\Admin\AppData\Local\Temp\bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2412
- 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:2592
- 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:2372
- - 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:2548
  - - 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:3060
- C:\Users\Admin\AppData\Local\Temp\HD_bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe
  C:\Users\Admin\AppData\Local\Temp\HD_bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe
  2⤵
  - Executes dropped EXE
  PID:2556

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:2188
- 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:2940

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

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\HD_X.dat

Filesize
2.6MB

MD5
97958c76750221e2953392782e393c54

SHA1
125961f3d7ba5404792478b929e331a3188c0e42

SHA256
93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

SHA512
2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6.exe

Filesize
61KB

MD5
bd9e6c82cee1ff84cbc06ab54357974b

SHA1
c67d17b475404fe584e577b63411507acc268e56

SHA256
e150fd0333aef42a74f26c24b46347ea547fb295bdc77e0503be9b7a085de535

SHA512
a98b2c076a80875ee5e4007d22c5ae31bcff556bd03e6be6756e470f339e9d987bbec4a9f7af32239e13e8250c07df69c279a59f86eecb8e1967f62ada6e0e1b

Download Submit
C:\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\259429335.txt

Filesize
899KB

MD5
55c10814638a6fa4e6f568e31bca2098

SHA1
4d38b950a0a06251f25af6df8acf94181e3b84e6

SHA256
db5fd6d2cd86c777a0ce800ea4c0e138aacfd3d90e0f5d9cbaf650401552da8b

SHA512
d326fbb0d077911567bb320bcc1acd94a74f962d1de0cda08a171859720979f7c066217babf2a6ddbb30f0e32b0350d7ea68a29dc9939ab3e0d67b75f0cd8b6f

Download Submit
memory/2188-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2188-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2372-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2372-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2372-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2372-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download