gh0strat | 2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366

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 07:01

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General

Target

2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe
Size

2.5MB
MD5

4fca4775599faff4866dbf467f209311
SHA1

a7594e50a0c1274b7247f29a3139c909dafec919
SHA256

2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366
SHA512

a0d3793176bba3620b959380486992daf09ffd3d545ed4c47a9fca38930b95eaa5dceaadc40a6c73b0d6081f72e3398a3f71f5c60ce0cd62c7f3e0f16db41c03
SSDEEP

24576:GCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH3:GCwsbCANnKXferL7Vwe/Gg0P+Whz3ti

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/2884-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-45-0x0000000010000000-0x00000000101B6000-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/2884-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2884-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2884-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2884-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2884-45-0x0000000010000000-0x00000000101B6000-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\\259475168.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
3068	R.exe
2680	N.exe
2780	TXPlatfor.exe
2884	TXPlatfor.exe
2752	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe
3068	R.exe
2956	svchost.exe
2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe
2780	TXPlatfor.exe
2956	svchost.exe
2752	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
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\259475168.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2680-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-45-0x0000000010000000-0x00000000101B6000-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	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.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
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
2292	PING.EXE
2720	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2292	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2884	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2680	N.exe
Token: SeLoadDriverPrivilege	2884	TXPlatfor.exe
Token: 33	2884	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2884	TXPlatfor.exe
Token: 33	2884	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2884	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe
2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 3068	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	30
PID 2640 wrote to memory of 3068	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	30
PID 2640 wrote to memory of 3068	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	30
PID 2640 wrote to memory of 3068	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	30
PID 2640 wrote to memory of 2680	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	33
PID 2640 wrote to memory of 2680	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	33
PID 2640 wrote to memory of 2680	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	33
PID 2640 wrote to memory of 2680	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	33
PID 2640 wrote to memory of 2680	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	33
PID 2640 wrote to memory of 2680	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	33
PID 2640 wrote to memory of 2680	2640	2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe	33
PID 2680 wrote to memory of 2720	2680	N.exe	35
PID 2680 wrote to memory of 2720	2680	N.exe	35
PID 2680 wrote to memory of 2720	2680	N.exe	35
PID 2680 wrote to memory of 2720	2680	N.exe	35
PID 2780 wrote to memory of 2884	2780	TXPlatfor.exe	36
PID 2780 wrote to memory of 2884	2780	TXPlatfor.exe	36
PID 2780 wrote to memory of 2884	2780	TXPlatfor.exe	36
PID 2780 wrote to memory of 2884	2780	TXPlatfor.exe	36
PID 2780 wrote to memory of 2884	2780	TXPlatfor.exe	36
PID 2780 wrote to memory of 2884	2780	TXPlatfor.exe	36
PID 2780 wrote to memory of 2884	2780	TXPlatfor.exe	36
PID 2720 wrote to memory of 2292	2720	cmd.exe	38
PID 2720 wrote to memory of 2292	2720	cmd.exe	38
PID 2720 wrote to memory of 2292	2720	cmd.exe	38
PID 2720 wrote to memory of 2292	2720	cmd.exe	38
PID 2956 wrote to memory of 2752	2956	svchost.exe	40
PID 2956 wrote to memory of 2752	2956	svchost.exe	40
PID 2956 wrote to memory of 2752	2956	svchost.exe	40
PID 2956 wrote to memory of 2752	2956	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe
"C:\Users\Admin\AppData\Local\Temp\2760bb6c43acf1591c7916ed534f5d00decc63c43509035931c16316ea398366.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- 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:3068
- 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:2720
  - - 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:2292

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2820

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:2956
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259475168.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2752

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:2780
- 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:2884

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\Desktop\ConvertFromMove.exe

Filesize
3.1MB

MD5
1fd3b0f5cee5f22d92a7504e3bcad34e

SHA1
756511f84211539c87c237abdddd5d970d749ef3

SHA256
43712643d90d4c535d5968512e8bed9d741c1a2bfa1b51a30dbaec3f34fcc939

SHA512
a7abf18c1a7f0bf4dc76fc9f6f7a12b5f454d2a23b0388e9cce7606ef1136e28a2e4688cc82b4bbc70c76fc5b146f2e2311f8531826c455a5e70b4a0688ee66d

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\259475168.txt

Filesize
899KB

MD5
fb92db9f639cb2b4d22e3cb77108c6f9

SHA1
039242cd12780c33806735bfe8e5a074db11600e

SHA256
04f82ecd3aaaa9d6214472b9012463fb615cbb9dfdd1394211c9458480835bae

SHA512
596fd2f9fb3bfccdd63a7a5d3094ae25a824b68d1ac8cdda2790ba0fb412493e85c0ad169192e12f02b588a2daf10cb9b0704f35cbd0ca8e3f2108118dcb6961

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
1.7MB

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

Filesize
1.7MB

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

Filesize
1.7MB

Download
memory/2884-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2884-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2884-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2884-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2884-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2884-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads