gh0strat | 25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 08:50

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General

Target

25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
Size

1.2MB
MD5

e1cbc2ec2971b080dc84299391d456f4
SHA1

d59ad0893e6188029c3bb668d2b9a7fa4f1746d6
SHA256

25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807
SHA512

f832fec9174646e7eb5483cbcebe6a84e39d7f6cf9ab98f6a8451d0fd376fa5b486df4891af1a6f8ecbb791b40d002a5404688a7d053393300ddc9e32d4a0106
SSDEEP

24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiW:WIwgMEuy+inDfp3/XoCw57XYBwKW

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx vmprotect

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2740-24-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2740-23-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2496-44-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2496-50-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2496-53-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0007000000019266-14.dat	family_gh0strat
behavioral1/memory/2740-24-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2740-23-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2496-44-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2496-50-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2496-53-0x0000000010000000-0x00000000101BA000-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	Ghiya.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"	Ghiya.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe

Executes dropped EXE 5 IoCs

pid	Process
2888	AK47.exe
2668	AK47.exe
2740	AK74.exe
2652	Ghiya.exe
2496	Ghiya.exe

Loads dropped DLL 7 IoCs

pid	Process
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
2668	AK47.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
2652	Ghiya.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe

VMProtect packed file 10 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/3052-0-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/3052-1-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/files/0x0032000000019256-57.dat	vmprotect
behavioral1/memory/3052-63-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/3052-69-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/3052-72-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/3052-76-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/3052-79-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/3052-82-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/3052-85-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\360safo = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\svchcst.exe"	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259451846.txt	AK47.exe
File created	C:\Windows\SysWOW64\Ghiya.exe	AK74.exe
File opened for modification	C:\Windows\SysWOW64\Ghiya.exe	AK74.exe
File created	C:\Windows\SysWOW64\259451846.txt	AK47.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2740-21-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2740-24-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2740-23-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2496-44-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2496-50-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2496-53-0x0000000010000000-0x00000000101BA000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AK47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AK47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AK74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghiya.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	WScript.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
2552	cmd.exe
1672	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1672	PING.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2496	Ghiya.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2740	AK74.exe
Token: SeLoadDriverPrivilege	2496	Ghiya.exe
Token: 33	2496	Ghiya.exe
Token: SeIncBasePriorityPrivilege	2496	Ghiya.exe
Token: 33	2496	Ghiya.exe
Token: SeIncBasePriorityPrivilege	2496	Ghiya.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2888	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	31
PID 3052 wrote to memory of 2888	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	31
PID 3052 wrote to memory of 2888	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	31
PID 3052 wrote to memory of 2888	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	31
PID 3052 wrote to memory of 2668	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	32
PID 3052 wrote to memory of 2668	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	32
PID 3052 wrote to memory of 2668	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	32
PID 3052 wrote to memory of 2668	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	32
PID 3052 wrote to memory of 2740	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	33
PID 3052 wrote to memory of 2740	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	33
PID 3052 wrote to memory of 2740	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	33
PID 3052 wrote to memory of 2740	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	33
PID 3052 wrote to memory of 2740	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	33
PID 3052 wrote to memory of 2740	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	33
PID 3052 wrote to memory of 2740	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	33
PID 2740 wrote to memory of 2552	2740	AK74.exe	35
PID 2740 wrote to memory of 2552	2740	AK74.exe	35
PID 2740 wrote to memory of 2552	2740	AK74.exe	35
PID 2740 wrote to memory of 2552	2740	AK74.exe	35
PID 2652 wrote to memory of 2496	2652	Ghiya.exe	37
PID 2652 wrote to memory of 2496	2652	Ghiya.exe	37
PID 2652 wrote to memory of 2496	2652	Ghiya.exe	37
PID 2652 wrote to memory of 2496	2652	Ghiya.exe	37
PID 2652 wrote to memory of 2496	2652	Ghiya.exe	37
PID 2652 wrote to memory of 2496	2652	Ghiya.exe	37
PID 2652 wrote to memory of 2496	2652	Ghiya.exe	37
PID 2552 wrote to memory of 1672	2552	cmd.exe	38
PID 2552 wrote to memory of 1672	2552	cmd.exe	38
PID 2552 wrote to memory of 1672	2552	cmd.exe	38
PID 2552 wrote to memory of 1672	2552	cmd.exe	38
PID 3052 wrote to memory of 1900	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	39
PID 3052 wrote to memory of 1900	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	39
PID 3052 wrote to memory of 1900	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	39
PID 3052 wrote to memory of 1900	3052	25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe	39

C:\Users\Admin\AppData\Local\Temp\25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe
"C:\Users\Admin\AppData\Local\Temp\25adc84871fee6d124812352303fae4b8836259e0da686186407cf92c3228807.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2888
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  C:\Users\Admin\AppData\Local\Temp\\AK47.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Users\Admin\AppData\Local\Temp\AK74.exe
  C:\Users\Admin\AppData\Local\Temp\\AK74.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:2740
- - 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\AK74.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2552
  - - 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:1672
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1900

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\Ghiya.exe
  C:\Windows\SysWOW64\Ghiya.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:2496

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 Information Discovery

T1082

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\Roaming\Microsoft\Config.ini

Filesize
92B

MD5
29ce53e2a4a446614ccc8d64d346bde4

SHA1
39a7aa5cc1124842aa0c25abb16ea94452125cbe

SHA256
56225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df

SHA512
b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

Filesize
753B

MD5
d400b5599b6eab088e94cd944e57a540

SHA1
753081a48c3099b3ef03c4ce832d85117093d54f

SHA256
fcbbcbbc12b558c11a0c5566a0a0229178ca61ff03a16ff5a4ad902401246e1b

SHA512
d65931b5306b85213f8afa7112d39ce3e2ccd34cc96844e0fc8e95c48c8554814b07c255c5fcc50a54832797ec453e7349a6b993d4aa4030526f9c3f7181eabf

Download Submit
\Users\Admin\AppData\Local\Temp\AK47.exe

Filesize
91KB

MD5
423eb994ed553294f8a6813619b8da87

SHA1
eca6a16ccd13adcfc27bc1041ddef97ec8081255

SHA256
050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

SHA512
fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

Download Submit
\Users\Admin\AppData\Local\Temp\AK74.exe

Filesize
400KB

MD5
b0998aa7d5071d33daa5b60b9c3c9735

SHA1
9365a1ff0c6de244d6f36c8d84072cc916665d3c

SHA256
3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

SHA512
308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

Filesize
1.2MB

MD5
e97de13e50c0289e921f736f30a4897a

SHA1
d259be987570973159dd16048039c1fc3f81e465

SHA256
155be3a49854fbd78a95604780d11ddd902dfea601cc7257f91b30e704799338

SHA512
310b70eab4d8fd3a17f12b23bb94c0572982c81bf71941106045fb5dfe4680ee78778e521feff83265cb7d950a3ab0e863db3d450502c4a8b531977d0f6c7d20

Download Submit
\Windows\SysWOW64\259451846.txt

Filesize
49KB

MD5
6e8c7753fd086be08b1b8ecdfc76ecf9

SHA1
f36ac3e1d1ca035d47f6ac8debf06853e51966a8

SHA256
e8583d75b9039b7dee1fc557f339e05313bc97426ba3f1173ea803e43c801cbe

SHA512
2f2dfde73bb3ecc468cf8c143591fbf0a63dc9d050dfdf3e8419f36574a3da1ac7938db743540c5e21af1bd33f036433475742983a2dd3c3590b52cf2505177d

Download Submit
memory/2496-50-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2496-53-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2496-44-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2740-24-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2740-21-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2740-23-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/3052-65-0x0000000002350000-0x0000000002360000-memory.dmp

Filesize
64KB

Download
memory/3052-61-0x0000000002350000-0x0000000002360000-memory.dmp

Filesize
64KB

Download
memory/3052-60-0x0000000002350000-0x0000000002360000-memory.dmp

Filesize
64KB

Download
memory/3052-63-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/3052-0-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/3052-66-0x0000000002350000-0x0000000002360000-memory.dmp

Filesize
64KB

Download
memory/3052-69-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/3052-72-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/3052-76-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/3052-1-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/3052-79-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/3052-82-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/3052-85-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download