gh0strat | bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 21:07

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General

Target

bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe
Size

3.7MB
MD5

0f15587f5636a2fa6aa008bfd27cf96a
SHA1

1df41d2b9453cae57926c1f2ceec08add90a1a6c
SHA256

bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd
SHA512

a015e1e7dd0a529a98bd34ab04a7ec4a0b6ed300bf1b7a545f511ef3631a6dcfe800ba34f8d00875dbf89f72e4110039a0d0114408fd1dcb786664acddabfc54
SSDEEP

49152:UCwsbCANnKXferL7Vwe/Gg0P+WhtaPrFMV1dS2s8PYufkMjN2YmSQ7grmZ/8:3ws2ANnKXOaeOgmhtazFWSJ8NfZNxmSv

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2352-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2352-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016ab9-6.dat	family_gh0strat
behavioral1/memory/2352-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2352-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-43-0x0000000010000000-0x00000000101B6000-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\\259441721.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 5 IoCs

pid	Process
2112	R.exe
2352	N.exe
2232	TXPlatfor.exe
2796	TXPlatfor.exe
2652	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe
2112	R.exe
2176	svchost.exe
2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe
2232	TXPlatfor.exe
2176	svchost.exe
2652	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\259441721.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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2352-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2352-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2352-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-43-0x0000000010000000-0x00000000101B6000-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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
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

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
584	PING.EXE
2784	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
584	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2796	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2352	N.exe
Token: SeLoadDriverPrivilege	2796	TXPlatfor.exe
Token: 33	2796	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2796	TXPlatfor.exe
Token: 33	2796	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2796	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe
2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2112	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	30
PID 2116 wrote to memory of 2112	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	30
PID 2116 wrote to memory of 2112	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	30
PID 2116 wrote to memory of 2112	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	30
PID 2116 wrote to memory of 2352	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	33
PID 2116 wrote to memory of 2352	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	33
PID 2116 wrote to memory of 2352	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	33
PID 2116 wrote to memory of 2352	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	33
PID 2116 wrote to memory of 2352	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	33
PID 2116 wrote to memory of 2352	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	33
PID 2116 wrote to memory of 2352	2116	bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe	33
PID 2352 wrote to memory of 2784	2352	N.exe	35
PID 2352 wrote to memory of 2784	2352	N.exe	35
PID 2352 wrote to memory of 2784	2352	N.exe	35
PID 2352 wrote to memory of 2784	2352	N.exe	35
PID 2232 wrote to memory of 2796	2232	TXPlatfor.exe	36
PID 2232 wrote to memory of 2796	2232	TXPlatfor.exe	36
PID 2232 wrote to memory of 2796	2232	TXPlatfor.exe	36
PID 2232 wrote to memory of 2796	2232	TXPlatfor.exe	36
PID 2232 wrote to memory of 2796	2232	TXPlatfor.exe	36
PID 2232 wrote to memory of 2796	2232	TXPlatfor.exe	36
PID 2232 wrote to memory of 2796	2232	TXPlatfor.exe	36
PID 2784 wrote to memory of 584	2784	cmd.exe	38
PID 2784 wrote to memory of 584	2784	cmd.exe	38
PID 2784 wrote to memory of 584	2784	cmd.exe	38
PID 2784 wrote to memory of 584	2784	cmd.exe	38
PID 2176 wrote to memory of 2652	2176	svchost.exe	40
PID 2176 wrote to memory of 2652	2176	svchost.exe	40
PID 2176 wrote to memory of 2652	2176	svchost.exe	40
PID 2176 wrote to memory of 2652	2176	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe
"C:\Users\Admin\AppData\Local\Temp\bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2116
- 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:2112
- 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:2352
- - 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:2784
  - - 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:584

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2184

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:2176
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259441721.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2652

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:2232
- 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:2796

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

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Downloads

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

Filesize
3.7MB

MD5
0f15587f5636a2fa6aa008bfd27cf96a

SHA1
1df41d2b9453cae57926c1f2ceec08add90a1a6c

SHA256
bb92bc717d340ae5eca1948cc92fe279430f280425a6254184b29610cbc7f9cd

SHA512
a015e1e7dd0a529a98bd34ab04a7ec4a0b6ed300bf1b7a545f511ef3631a6dcfe800ba34f8d00875dbf89f72e4110039a0d0114408fd1dcb786664acddabfc54

Download Submit
\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\259441721.txt

Filesize
899KB

MD5
32387ff14297052a3bbb443e0e3dce88

SHA1
ea82d075059e60c2ff4e638220fb08c04c98a165

SHA256
56f92ff2f5881e23eb8ee89079f84b8aa55cab268e9ea356d031443228d667d3

SHA512
79c6f75d65cb0e9e33624df76d152719a2887459cf440d41966a0afbe489b549b70788155e0eb6fd48e91779ed633112fb2d92e0667e136f2191f6c05f6f5992

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2352-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads