gh0strat | 3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 06:11

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General

Target

3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
Size

4.7MB
MD5

b125be6099e57946ed5f6e9968956491
SHA1

ed060101abed9af9d402895087da1aeba129f01c
SHA256

3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c
SHA512

6ab2d0994de76b634dd65c396c1e54a9e156e2af06285833bcc66b188ecf5ffd447c97216e0d5ad6906bc3c21e0d890c00c42e4dd897d661244f71efdf6d6fed
SSDEEP

98304:Zws2ANnKXOaeOgmhw28eElDIJ20CV57Bb+nMUkTK:rKXbeO7O4JCb71+nMUkG

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/2780-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/908-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/908-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/908-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x00070000000186e9-6.dat	family_gh0strat
behavioral1/memory/2780-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2668-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2668-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/908-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/908-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/908-50-0x0000000010000000-0x00000000101B6000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan 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
2232	R.exe
2780	N.exe
2668	TXPlatfor.exe
908	TXPlatfor.exe
2708	HD_3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe

Loads dropped DLL 6 IoCs

pid	Process
2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
2232	R.exe
2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
2668	TXPlatfor.exe
2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2780-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2668-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2668-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/908-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/908-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/908-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259454014.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	HD_3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.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
2568	cmd.exe
800	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
800	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
908	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2780	N.exe
Token: SeLoadDriverPrivilege	908	TXPlatfor.exe
Token: 33	908	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	908	TXPlatfor.exe
Token: 33	908	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	908	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
2708	HD_3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
2708	HD_3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2232	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	30
PID 2084 wrote to memory of 2232	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	30
PID 2084 wrote to memory of 2232	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	30
PID 2084 wrote to memory of 2232	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	30
PID 2084 wrote to memory of 2780	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	31
PID 2084 wrote to memory of 2780	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	31
PID 2084 wrote to memory of 2780	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	31
PID 2084 wrote to memory of 2780	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	31
PID 2084 wrote to memory of 2780	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	31
PID 2084 wrote to memory of 2780	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	31
PID 2084 wrote to memory of 2780	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	31
PID 2780 wrote to memory of 2568	2780	N.exe	33
PID 2780 wrote to memory of 2568	2780	N.exe	33
PID 2780 wrote to memory of 2568	2780	N.exe	33
PID 2780 wrote to memory of 2568	2780	N.exe	33
PID 2668 wrote to memory of 908	2668	TXPlatfor.exe	34
PID 2668 wrote to memory of 908	2668	TXPlatfor.exe	34
PID 2668 wrote to memory of 908	2668	TXPlatfor.exe	34
PID 2668 wrote to memory of 908	2668	TXPlatfor.exe	34
PID 2668 wrote to memory of 908	2668	TXPlatfor.exe	34
PID 2668 wrote to memory of 908	2668	TXPlatfor.exe	34
PID 2668 wrote to memory of 908	2668	TXPlatfor.exe	34
PID 2084 wrote to memory of 2708	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	36
PID 2084 wrote to memory of 2708	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	36
PID 2084 wrote to memory of 2708	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	36
PID 2084 wrote to memory of 2708	2084	3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe	36
PID 2568 wrote to memory of 800	2568	cmd.exe	37
PID 2568 wrote to memory of 800	2568	cmd.exe	37
PID 2568 wrote to memory of 800	2568	cmd.exe	37
PID 2568 wrote to memory of 800	2568	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
"C:\Users\Admin\AppData\Local\Temp\3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2084
- 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:2232
- 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:2780
- - 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:2568
  - - 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:800
- C:\Users\Admin\AppData\Local\Temp\HD_3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
  C:\Users\Admin\AppData\Local\Temp\HD_3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2708

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:2668
- 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:908

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_3dcd39b00f517f1786ca61dc9167b97a6e02ff9f318f61910b42160cb046250c.exe

Filesize
2.3MB

MD5
8c8b86de276c2dfa11c35fda521c68e4

SHA1
21da1a612a5b1b163dc1a3c7572b9bd5a764de54

SHA256
c92c8cc48d877a7a6465451711f1e9495289eb8c4978aba247ee35b65d0ae509

SHA512
591ba1e1e93167443b6a6675bbbf3e719ea2655b46a9e45c626e58e2dda56f585e9c406ff532a949ed22d1c2b51aee16741c0a1fe03bc631e1d4c582e74e3fcf

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

Filesize
2.3MB

MD5
e2a6fb125beb604340e2d9109320cf51

SHA1
406ff15e666b4984338989f8138dedb2ef32eecc

SHA256
101840928ea7d07b29707954329cf779db9b335ea40a3277acbe7d48b3c46d6a

SHA512
14dcb8901699ecaf4b5b3e4121c6e3ff73c2c38d6a2f87d658530631e1197f3e75bd1bcb39314512dfc0c308807b9e921bf3a943ed4aad53abed8067859205ee

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\259454014.txt

Filesize
899KB

MD5
ce4699a7a93bbf7a0936646f1bd584c6

SHA1
9140cc93682daffedf0a2701a332e9164771c771

SHA256
3cbd867222e7e471cb0d78afcc63fe1d45d294770a730c2cb14b9a31ee3e5eac

SHA512
154b293c0cfb1ac66c6e2c0c245c340f6d6090a8b807b1776d97f6535d4063ddc76c75a13a054fd56f2a7e9cb81a4d60a7f3137fdcc3699cea7d699d5a8b0c47

Download Submit
memory/908-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/908-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/908-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2668-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2668-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download