gh0strat | 6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3

General

Target

6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe
Size

3.0MB
MD5

dbdcba579712bb10c7a344394d555a70
SHA1

46f76cc72521de1bf792e1f354e35cadf67a7171
SHA256

6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3
SHA512

5b788f8aabbbcae5e0105bb899b378669cbfc39b6d49b09c6510b28e3e2941dfb01ce9309eac267a55ad62303aac155bdfed6b24300672ab12e83538a7e2662c
SSDEEP

98304:2oo0b+Djihd+BbSiXnnxxwoax6JBAUZL+:zCa7+BusxLJVy

Score

10^/10

gh0strat purplefox persistence rat rootkit spyware stealer trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1924-13-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral1/memory/1924-29-0x0000000000400000-0x0000000000543000-memory.dmp	purplefox_rootkit
behavioral1/memory/3036-32-0x0000000000400000-0x0000000000543000-memory.dmp	purplefox_rootkit
behavioral1/memory/2408-33-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2408-53-0x0000000000400000-0x0000000000543000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1924-11-0x0000000000400000-0x0000000000543000-memory.dmp	family_gh0strat
behavioral1/memory/1924-13-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral1/memory/1924-29-0x0000000000400000-0x0000000000543000-memory.dmp	family_gh0strat
behavioral1/memory/3036-32-0x0000000000400000-0x0000000000543000-memory.dmp	family_gh0strat
behavioral1/memory/2408-33-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral1/memory/2408-53-0x0000000000400000-0x0000000000543000-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

Processes:

Ghiya.exe

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

Processes:

Ghiya.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" Ghiya.exe
Executes dropped EXE 4 IoCs

Processes:

»ª¸ç0528.exeGhiya.exeGhiya.exe1.exe

pid process

1924 »ª¸ç0528.exe
3036 Ghiya.exe
2408 Ghiya.exe
2464 1.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	Ghiya.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	Ghiya.exe

pid	process
1924	»ª¸ç0528.exe
3036	Ghiya.exe
2408	Ghiya.exe
2464	1.exe

Loads dropped DLL 2 IoCs

Processes:

6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe

pid	process
2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe
2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\»ª¸ç0528.exe	upx
behavioral1/memory/2812-5-0x0000000002270000-0x00000000023B3000-memory.dmp	upx
behavioral1/memory/1924-11-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1924-29-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/3036-32-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2408-53-0x0000000000400000-0x0000000000543000-memory.dmp	upx

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

Processes:

Ghiya.exe

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

Drops file in System32 directory 2 IoCs

Processes:

»ª¸ç0528.exe

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2916 2464 WerFault.exe 1.exe

pid	pid_target	process	target process
2916	2464	WerFault.exe	1.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

Processes:

Ghiya.exe

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

Modifies data under HKEY_USERS 12 IoCs

Processes:

Ghiya.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	Ghiya.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	Ghiya.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Ghiya.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	Ghiya.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	Ghiya.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2600 PING.EXE

pid	process
2600	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Ghiya.exe

pid	process
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe
2408	Ghiya.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

Ghiya.exe

pid process

2408 Ghiya.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

»ª¸ç0528.exeGhiya.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1924	»ª¸ç0528.exe
Token: SeLoadDriverPrivilege	2408	Ghiya.exe
Token: 33	2408	Ghiya.exe
Token: SeIncBasePriorityPrivilege	2408	Ghiya.exe
Token: 33	2408	Ghiya.exe
Token: SeIncBasePriorityPrivilege	2408	Ghiya.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe1.exe

pid	process
2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe
2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe
2464	1.exe
2464	1.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe»ª¸ç0528.exeGhiya.execmd.exe1.exe

description	pid	process	target process
PID 2812 wrote to memory of 1924	2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe	»ª¸ç0528.exe
PID 2812 wrote to memory of 1924	2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe	»ª¸ç0528.exe
PID 2812 wrote to memory of 1924	2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe	»ª¸ç0528.exe
PID 2812 wrote to memory of 1924	2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe	»ª¸ç0528.exe
PID 1924 wrote to memory of 2548	1924	»ª¸ç0528.exe	cmd.exe
PID 1924 wrote to memory of 2548	1924	»ª¸ç0528.exe	cmd.exe
PID 1924 wrote to memory of 2548	1924	»ª¸ç0528.exe	cmd.exe
PID 1924 wrote to memory of 2548	1924	»ª¸ç0528.exe	cmd.exe
PID 3036 wrote to memory of 2408	3036	Ghiya.exe	Ghiya.exe
PID 3036 wrote to memory of 2408	3036	Ghiya.exe	Ghiya.exe
PID 3036 wrote to memory of 2408	3036	Ghiya.exe	Ghiya.exe
PID 3036 wrote to memory of 2408	3036	Ghiya.exe	Ghiya.exe
PID 2548 wrote to memory of 2600	2548	cmd.exe	PING.EXE
PID 2548 wrote to memory of 2600	2548	cmd.exe	PING.EXE
PID 2548 wrote to memory of 2600	2548	cmd.exe	PING.EXE
PID 2548 wrote to memory of 2600	2548	cmd.exe	PING.EXE
PID 2812 wrote to memory of 2464	2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe	1.exe
PID 2812 wrote to memory of 2464	2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe	1.exe
PID 2812 wrote to memory of 2464	2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe	1.exe
PID 2812 wrote to memory of 2464	2812	6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe	1.exe
PID 2464 wrote to memory of 2916	2464	1.exe	WerFault.exe
PID 2464 wrote to memory of 2916	2464	1.exe	WerFault.exe
PID 2464 wrote to memory of 2916	2464	1.exe	WerFault.exe
PID 2464 wrote to memory of 2916	2464	1.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe
"C:\Users\Admin\AppData\Local\Temp\6d63304e10db535e95b5fc2dcdb27d85a5a364ed8a9df7e536249586738bb7f3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2812

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:1924

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:2548

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2600

C:\1.exe
C:\1.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 572
3⤵
- Program crash
PID:2916

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3036

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:2408

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\1.exe
Filesize
2.0MB

MD5
bafb857b13d2ef0c14597e0b714c3ab4

SHA1
6d89ab8e303db39f5cd55f643fa1449a554bab49

SHA256
59656c9826aeb3a543064724e4f091469ac04429c80db9416b389c0f48f47c5f

SHA512
c6fd61482b03b3ac6c9a7815825fcc974986c8bf6dfaeb6466ad591c32957f5e6cdbe6aba23f995989a5b3fa180292b54c81c55bfe74e0dddd7a6065936a4043

Download Submit
\Users\Admin\AppData\Local\Temp\»ª¸ç0528.exe
Filesize
357KB

MD5
1e7965a5200d61cbfccedf12a04a6076

SHA1
1c0038a124ccd9ba4f1e1857f15ea32b06cb107d

SHA256
6f2da003627c0287fbd5666fbc2e55f15dcbbd536937fa7d5df0b0c0df5fb787

SHA512
e6268c7314f48b4e11f3f222243bb326aed62cd3d334fa4f32e7e760063fa2937f3ea1900d90cd2f97a4b5f0cc512b1fe43b28162f5f27d2b7728aee7bc51db3

Download Submit
memory/1924-11-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1924-13-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/1924-29-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2408-33-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/2408-53-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2812-5-0x0000000002270000-0x00000000023B3000-memory.dmp

Filesize
1.3MB

Download
memory/3036-32-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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