gh0strat | 37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 19:32

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General

Target

37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe
Size

2.5MB
MD5

aa7b56f88d4ce32a5d73027fc772e997
SHA1

2dcaec9b41c6f3fbd4f371d477129c07f67c22cc
SHA256

37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e
SHA512

018260c5a9aff181ec8f1de9c811f38301207fb2f575de4268b63c0c3460d8f191ea27637dcba934542f0f2a43d567aa5fe0182915d92452f9d9850446d97329
SSDEEP

24576:bCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH8:bCwsbCANnKXferL7Vwe/Gg0P+Whc67

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/2768-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2768-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2872-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2872-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2872-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2872-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2872-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0008000000015686-6.dat	family_gh0strat
behavioral1/memory/2768-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2768-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2872-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2872-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2872-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2872-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2872-45-0x0000000010000000-0x00000000101B6000-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\\259424202.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
3032	R.exe
2768	N.exe
2568	TXPlatfor.exe
2872	TXPlatfor.exe
3000	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe
3032	R.exe
3056	svchost.exe
3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe
2568	TXPlatfor.exe
3056	svchost.exe
3000	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259424202.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
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/2768-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2872-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2872-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2872-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2872-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2872-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2872-45-0x0000000010000000-0x00000000101B6000-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	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	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
2752	cmd.exe
2228	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2228	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2872	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2768	N.exe
Token: SeLoadDriverPrivilege	2872	TXPlatfor.exe
Token: 33	2872	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2872	TXPlatfor.exe
Token: 33	2872	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2872	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe
3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 3032	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	30
PID 3020 wrote to memory of 3032	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	30
PID 3020 wrote to memory of 3032	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	30
PID 3020 wrote to memory of 3032	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	30
PID 3020 wrote to memory of 2768	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	33
PID 3020 wrote to memory of 2768	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	33
PID 3020 wrote to memory of 2768	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	33
PID 3020 wrote to memory of 2768	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	33
PID 3020 wrote to memory of 2768	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	33
PID 3020 wrote to memory of 2768	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	33
PID 3020 wrote to memory of 2768	3020	37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe	33
PID 2768 wrote to memory of 2752	2768	N.exe	35
PID 2768 wrote to memory of 2752	2768	N.exe	35
PID 2768 wrote to memory of 2752	2768	N.exe	35
PID 2768 wrote to memory of 2752	2768	N.exe	35
PID 2568 wrote to memory of 2872	2568	TXPlatfor.exe	36
PID 2568 wrote to memory of 2872	2568	TXPlatfor.exe	36
PID 2568 wrote to memory of 2872	2568	TXPlatfor.exe	36
PID 2568 wrote to memory of 2872	2568	TXPlatfor.exe	36
PID 2568 wrote to memory of 2872	2568	TXPlatfor.exe	36
PID 2568 wrote to memory of 2872	2568	TXPlatfor.exe	36
PID 2568 wrote to memory of 2872	2568	TXPlatfor.exe	36
PID 2752 wrote to memory of 2228	2752	cmd.exe	38
PID 2752 wrote to memory of 2228	2752	cmd.exe	38
PID 2752 wrote to memory of 2228	2752	cmd.exe	38
PID 2752 wrote to memory of 2228	2752	cmd.exe	38
PID 3056 wrote to memory of 3000	3056	svchost.exe	40
PID 3056 wrote to memory of 3000	3056	svchost.exe	40
PID 3056 wrote to memory of 3000	3056	svchost.exe	40
PID 3056 wrote to memory of 3000	3056	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe
"C:\Users\Admin\AppData\Local\Temp\37a915c929f351f25efa2aa50261395873b42c07d14e4a4e6adc1d7c9c694f6e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020
- 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:3032
- 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:2768
- - 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:2752
  - - 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:2228

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1192

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:3056
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259424202.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3000

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:2568
- 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:2872

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\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
2.7MB

MD5
4c774793fa91f10db6a6633f8f83ca20

SHA1
ac14b710ea3aa50b1f2f99848786dccece1d5989

SHA256
43f83e1fb39ebd3419f3838153d4211368a3c564030c70b2de04c89b5e3b9ce6

SHA512
733d41811204386e8852f37282e21516130f9024425f64a13dbc3752b4dd5e0e200c1a01ec27e2e9f7086ba6ccb7f32b322efd9ad8760db823c51cd023421ed3

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259424202.txt

Filesize
899KB

MD5
6ee2b6fa400fa22bc31cb73caa7c7943

SHA1
95665361c8a9974a8f66f91491e9e69a5e59000c

SHA256
a4f27558d3c59aba3f8216a3b9ed02b373d87c37e17c40d0f9ccd55f8ebd2498

SHA512
f28f3509992812537091039524b280dc8390248f6cf32ba1d365e2d0fd1c535b16b42c48e75e27c1d01789ff7a28f3af3822bef4fc51eb77018ab99f50b7a0ee

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2768-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads