gh0strat | aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951

General

Target

aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe
Size

1.4MB
MD5

6318eebd114e27ea9f84e8760f98c0a8
SHA1

347ca80095d788952d60f74cb265e5a159bac4d3
SHA256

aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951
SHA512

e932db35d317538b7dc5934536244f372e0c84ea158b7a08b64e1f87fd1d982893d61a1093a5dad980fa503b098b071060f27a4d55b3317d18e768ebe1b622f3
SSDEEP

24576:609tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+9wpeX4R7yn2z:609XJt4HIN2H2tFvduyS0peoR7yn2z

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2072-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2072-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2072-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1968-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2072-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1968-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2072-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2072-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2072-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1968-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2072-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1968-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2684-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2684-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2684-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2684-35-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

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

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

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

Executes dropped EXE 3 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exe

pid process

2072 RVN.exe
1968 TXPlatforn.exe
2684 TXPlatforn.exe
Loads dropped DLL 2 IoCs

Processes:

aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exeTXPlatforn.exe

pid process

1920 aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe
1968 TXPlatforn.exe

pid	process
2072	RVN.exe
1968	TXPlatforn.exe
2684	TXPlatforn.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2072-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2072-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2072-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2072-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1968-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2072-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1968-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2684-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2684-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2684-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2684-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

Drops file in Program Files directory 4 IoCs

Processes:

aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe

description	ioc	process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe

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

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2768 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2684 TXPlatforn.exe

pid	process
2768	PING.EXE

pid	process
2684	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2072	RVN.exe
Token: SeLoadDriverPrivilege	2684	TXPlatforn.exe
Token: 33	2684	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2684	TXPlatforn.exe
Token: 33	2684	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2684	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe

pid	process
1920	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe
1920	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1920 wrote to memory of 2072	1920	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe	RVN.exe
PID 1920 wrote to memory of 2072	1920	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe	RVN.exe
PID 1920 wrote to memory of 2072	1920	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe	RVN.exe
PID 1920 wrote to memory of 2072	1920	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe	RVN.exe
PID 1920 wrote to memory of 2072	1920	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe	RVN.exe
PID 1920 wrote to memory of 2072	1920	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe	RVN.exe
PID 1920 wrote to memory of 2072	1920	aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe	RVN.exe
PID 2072 wrote to memory of 3044	2072	RVN.exe	cmd.exe
PID 2072 wrote to memory of 3044	2072	RVN.exe	cmd.exe
PID 2072 wrote to memory of 3044	2072	RVN.exe	cmd.exe
PID 2072 wrote to memory of 3044	2072	RVN.exe	cmd.exe
PID 1968 wrote to memory of 2684	1968	TXPlatforn.exe	TXPlatforn.exe
PID 1968 wrote to memory of 2684	1968	TXPlatforn.exe	TXPlatforn.exe
PID 1968 wrote to memory of 2684	1968	TXPlatforn.exe	TXPlatforn.exe
PID 1968 wrote to memory of 2684	1968	TXPlatforn.exe	TXPlatforn.exe
PID 1968 wrote to memory of 2684	1968	TXPlatforn.exe	TXPlatforn.exe
PID 1968 wrote to memory of 2684	1968	TXPlatforn.exe	TXPlatforn.exe
PID 1968 wrote to memory of 2684	1968	TXPlatforn.exe	TXPlatforn.exe
PID 3044 wrote to memory of 2768	3044	cmd.exe	PING.EXE
PID 3044 wrote to memory of 2768	3044	cmd.exe	PING.EXE
PID 3044 wrote to memory of 2768	3044	cmd.exe	PING.EXE
PID 3044 wrote to memory of 2768	3044	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe
"C:\Users\Admin\AppData\Local\Temp\aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1920

C:\Users\Admin\AppData\Local\Temp\RVN.exe
C:\Users\Admin\AppData\Local\Temp\\RVN.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072

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\RVN.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2768

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.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:2684

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

Discovery

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.4MB

MD5
6318eebd114e27ea9f84e8760f98c0a8

SHA1
347ca80095d788952d60f74cb265e5a159bac4d3

SHA256
aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951

SHA512
e932db35d317538b7dc5934536244f372e0c84ea158b7a08b64e1f87fd1d982893d61a1093a5dad980fa503b098b071060f27a4d55b3317d18e768ebe1b622f3

Download Submit
\Users\Admin\AppData\Local\Temp\RVN.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1968-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1968-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2072-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2072-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2072-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2072-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2072-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads