gh0strat | 1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26/05/2024, 11:41

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General

Target
1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe
Size 3.3MB
Sample240526-ntkr1sha2y
SHA256 1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895
MD5 120877c237d48fe9f4d461c78632652a
SHA1 2f7eb3b911e11f92d3dd748a94f54949f5d99fd0
SHA512 4e2488cec64ae7590ac128499db972e3fd52bbc1a93490efc7a551e5aea5d1350b71bf4eb75d4c380c2b055f0992e085f90776757eae645efc175606c22c964c
SSDEEP 98304:8gSE98dtC/aYITf23DN/WETcJuw46xrVn:TOFNTfyBe4cgmxVn
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4476-9-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4580-21-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4580-32-0x0000000000400000-0x000000000055E000-memory.dmp	purplefox_rootkit
behavioral2/memory/4476-31-0x00000000004E9000-0x0000000000542000-memory.dmp	purplefox_rootkit
behavioral2/memory/4476-30-0x0000000000400000-0x000000000055E000-memory.dmp	purplefox_rootkit
behavioral2/memory/3156-36-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3156-71-0x0000000000400000-0x000000000055E000-memory.dmp	purplefox_rootkit
behavioral2/memory/3156-74-0x0000000000400000-0x000000000055E000-memory.dmp	purplefox_rootkit
behavioral2/memory/3156-78-0x0000000000400000-0x000000000055E000-memory.dmp	purplefox_rootkit
behavioral2/memory/3156-79-0x0000000000400000-0x000000000055E000-memory.dmp	purplefox_rootkit
behavioral2/memory/3156-85-0x0000000000400000-0x000000000055E000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral2/memory/4476-9-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral2/memory/4580-21-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral2/memory/4580-32-0x0000000000400000-0x000000000055E000-memory.dmp	family_gh0strat
behavioral2/memory/4476-30-0x0000000000400000-0x000000000055E000-memory.dmp	family_gh0strat
behavioral2/memory/3156-36-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral2/memory/3156-71-0x0000000000400000-0x000000000055E000-memory.dmp	family_gh0strat
behavioral2/memory/3156-74-0x0000000000400000-0x000000000055E000-memory.dmp	family_gh0strat
behavioral2/memory/3156-78-0x0000000000400000-0x000000000055E000-memory.dmp	family_gh0strat
behavioral2/memory/3156-79-0x0000000000400000-0x000000000055E000-memory.dmp	family_gh0strat
behavioral2/memory/3156-85-0x0000000000400000-0x000000000055E000-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	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

Executes dropped EXE 4 IoCs

pid	Process
4476	»ª¸ç0528.exe
4580	Ghiya.exe
3156	Ghiya.exe
3120	1.exe

Loads dropped DLL 2 IoCs

pid	Process
3120	1.exe
3120	1.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\B:	Ghiya.exe
File opened (read-only)	\??\G:	Ghiya.exe
File opened (read-only)	\??\K:	Ghiya.exe
File opened (read-only)	\??\N:	Ghiya.exe
File opened (read-only)	\??\O:	Ghiya.exe
File opened (read-only)	\??\Z:	Ghiya.exe
File opened (read-only)	\??\J:	Ghiya.exe
File opened (read-only)	\??\L:	Ghiya.exe
File opened (read-only)	\??\Q:	Ghiya.exe
File opened (read-only)	\??\U:	Ghiya.exe
File opened (read-only)	\??\X:	Ghiya.exe
File opened (read-only)	\??\E:	Ghiya.exe
File opened (read-only)	\??\H:	Ghiya.exe
File opened (read-only)	\??\I:	Ghiya.exe
File opened (read-only)	\??\P:	Ghiya.exe
File opened (read-only)	\??\R:	Ghiya.exe
File opened (read-only)	\??\S:	Ghiya.exe
File opened (read-only)	\??\V:	Ghiya.exe
File opened (read-only)	\??\M:	Ghiya.exe
File opened (read-only)	\??\T:	Ghiya.exe
File opened (read-only)	\??\W:	Ghiya.exe
File opened (read-only)	\??\Y:	Ghiya.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Ghiya.exe	»ª¸ç0528.exe
File opened for modification	C:\Windows\SysWOW64\Ghiya.exe	»ª¸ç0528.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Ghiya.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Ghiya.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4064	ipconfig.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	Ghiya.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Ghiya.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1604	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe
3156	Ghiya.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3156	Ghiya.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4476	»ª¸ç0528.exe
Token: SeLoadDriverPrivilege	3156	Ghiya.exe
Token: 33	3156	Ghiya.exe
Token: SeIncBasePriorityPrivilege	3156	Ghiya.exe
Token: 33	3156	Ghiya.exe
Token: SeIncBasePriorityPrivilege	3156	Ghiya.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2332	1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe
2332	1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe
3120	1.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 4476	2332	1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe	86
PID 2332 wrote to memory of 4476	2332	1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe	86
PID 2332 wrote to memory of 4476	2332	1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe	86
PID 4476 wrote to memory of 3268	4476	»ª¸ç0528.exe	88
PID 4476 wrote to memory of 3268	4476	»ª¸ç0528.exe	88
PID 4476 wrote to memory of 3268	4476	»ª¸ç0528.exe	88
PID 4580 wrote to memory of 3156	4580	Ghiya.exe	89
PID 4580 wrote to memory of 3156	4580	Ghiya.exe	89
PID 4580 wrote to memory of 3156	4580	Ghiya.exe	89
PID 3268 wrote to memory of 1604	3268	cmd.exe	91
PID 3268 wrote to memory of 1604	3268	cmd.exe	91
PID 3268 wrote to memory of 1604	3268	cmd.exe	91
PID 2332 wrote to memory of 3120	2332	1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe	92
PID 2332 wrote to memory of 3120	2332	1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe	92
PID 2332 wrote to memory of 3120	2332	1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe	92
PID 3120 wrote to memory of 3644	3120	1.exe	95
PID 3120 wrote to memory of 3644	3120	1.exe	95
PID 3120 wrote to memory of 3644	3120	1.exe	95
PID 3644 wrote to memory of 4064	3644	cmd.exe	97
PID 3644 wrote to memory of 4064	3644	cmd.exe	97
PID 3644 wrote to memory of 4064	3644	cmd.exe	97
PID 3120 wrote to memory of 4052	3120	1.exe	98
PID 3120 wrote to memory of 4052	3120	1.exe	98
PID 3120 wrote to memory of 4052	3120	1.exe	98
PID 4052 wrote to memory of 4876	4052	cmd.exe	100
PID 4052 wrote to memory of 4876	4052	cmd.exe	100
PID 4052 wrote to memory of 4876	4052	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe
"C:\Users\Admin\AppData\Local\Temp\1ab2e580d52986b429e3b90746bcac36651c3466bed7155d8c642e832f6fa895.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\»ª¸ç0528.exe
  C:\Users\Admin\AppData\Local\Temp\»ª¸ç0528.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4476
- - 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\0528~1.EXE > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3268
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1604
- C:\1.exe
  C:\1.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3120
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ipconfig /flushdns
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3644
  - - C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      4⤵
      Gathers network information
      PID:4064
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c nslookup -q=txt api.icocr.cc
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4052
  - - C:\Windows\SysWOW64\nslookup.exe
      nslookup -q=txt api.icocr.cc
      4⤵
      PID:4876

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4580
- 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
  - Enumerates connected drives
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

1.exe

Path C:\1.exe
Size 1.8MB
SHA256 d6a9ec9575c569059bd81c4f78fd37e9cbfce327a15cd7610012b8441180ad1b
MD5 b54c8679319c033ad325fade651c054e
SHA1 9e93893fa6d28d8c71a5af41ec78677fe7a833ff
SHA512 2f4d240753be39d8aa31efc1650b30ca3159b33f6db9c177b0b6570eea3a01f207f34ba2b6d665ef5f9f562db72c43148cf7c4fe351a12611fbca0f4e5d41b0a
SSDEEP 49152:dhEJKDUABq4bSpVLMj/0/QCLE890w46x1p+CtgI5:rDN/WETcJuw46xrV5
MD5 SHA1 SHA512 SSDEEP

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RSCProject.fne

Path C:\Users\Admin\AppData\Local\Temp\E_N60005\RSCProject.fne
Size 192KB
SHA256 6b02e0f4ffe19c621e1553ffe388906d5c63c6ea05f032d64d2e2d64544722f9
MD5 a12b86677cea824acb8fc69f90f4283e
SHA1 0d6b280fc72715a50473d6f26673e6e52977e9e8
SHA512 7a752e0b0c5f1d1fcfbc7f58bc4dba66b75c2fac93512275cf4b6f160240efe3edd5071d3f02e97dc2fb8c2ea2b5803d83ed3d47d097ddc62d49f85bd6c07bf9
SSDEEP 3072:XhN1k5Ovt0WTQ4kO1bufEMhmIxHQ2TgJr7HGzEA4stjOKgr0:Rk54tLsOtufEQwKEJqjfgr0
MD5 SHA1 SHA512 SSDEEP

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krnln.fnr

Path C:\Users\Admin\AppData\Local\Temp\E_N60005\krnln.fnr
Size 1.2MB
SHA256 4bed8a6e4e1548fddee40927b438132b47ef2aca6e9beb06b89fcf7714726310
MD5 1eece63319e7c5f6718562129b1572f1
SHA1 089ea3a605639eb1292f6a2a9720f0b2801b0b6e
SHA512 13537d1dd80fa87b6b908361957e8c434ca547a575c8c8aab43423063e60cb5523fb1843a467ae73db4a64d278c06b831551e78ae6d895201f7ef0c5b162c1ab
SSDEEP 24576:CveDp1soGSplcN0pgTpD1vRcsatXL/rxdcwwWB5XR:CunVe0pG1a7/UwwWTR
MD5 SHA1 SHA512 SSDEEP

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»ª¸ç0528.exe

Path C:\Users\Admin\AppData\Local\Temp\»ª¸ç0528.exe
Size 843KB
SHA256 983d6d07c7191ee4e6228ef1ffc17f72c1d4695cddd44801f17e4134e6efc263
MD5 3433a9015ace38c06694e6829c3d5f71
SHA1 fbbf008912c98866bfe7c715c7aa77e02f41b1b4
SHA512 fbb8fc6e5a79fffc18b5a089fb92242253582c1e21421228c841a43fc75aab4cbdecdea9a3646683ed32deffa9a418816bd857977b21e12eb8af52d1be888675
SSDEEP 24576:r9pVOmw+l12AEko/U2qYHQZLHX1yUftN9QjbJjBwb:hLJ6Co/UHYITIstL2wb
MD5 SHA1 SHA512 SSDEEP

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memory/3120-54-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/3120-72-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/3156-71-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/3156-74-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/3156-78-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/3156-33-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/3156-35-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/3156-79-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/3156-85-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/3156-36-0x0000000010000000-0x00000000101A0000-memory.dmp

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memory/4476-30-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/4476-31-0x00000000004E9000-0x0000000000542000-memory.dmp

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memory/4476-9-0x0000000010000000-0x00000000101A0000-memory.dmp

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memory/4476-8-0x00000000004E9000-0x0000000000542000-memory.dmp

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memory/4476-7-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/4476-5-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/4580-32-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/4580-21-0x0000000010000000-0x00000000101A0000-memory.dmp

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memory/4580-20-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/4580-19-0x0000000000400000-0x000000000055E000-memory.dmp

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