gh0strat | d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9

General

Target

d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
Size

4.9MB
MD5

d1084e4663972bacbb85f916315910f1
SHA1

444f6412a8edc1a394120548bb78316917cc45e6
SHA256

d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9
SHA512

c4521d64209eecb58d4195d20d5bdbc2b97dc22cee55999288f0ef048faa11647421dec291dad2e3eb2a3e94ad29a1cbad025369272e14079464095c921b7cba
SSDEEP

98304:ZGdVyVT9nOgmhapDdZz1KqJLj0CQvRmjaboC1aan83:GWT9nO7sphFELNZ1t83

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2084-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2084-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2084-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2816-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2816-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2816-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2084-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2084-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2084-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
\Windows\SysWOW64\259394734.txt	family_gh0strat
behavioral1/memory/3004-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2816-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2816-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2816-46-0x0000000010000000-0x00000000101B6000-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 5 IoCs

Processes:

svchost.exeTXPlatforn.exesvchos.exeTXPlatforn.exeHD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

pid	process
2084	svchost.exe
3004	TXPlatforn.exe
2828	svchos.exe
2816	TXPlatforn.exe
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

Loads dropped DLL 5 IoCs

Processes:

d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exeTXPlatforn.exesvchos.exe

pid	process
2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
3004	TXPlatforn.exe
2828	svchos.exe
2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2084-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2084-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2084-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2084-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2816-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2816-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2816-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

svchost.exesvchos.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259394734.txt	svchos.exe

Drops file in Program Files directory 4 IoCs

Processes:

d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

description	ioc	process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.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

2464 PING.EXE

pid	process
2464	PING.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exeHD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

pid	process
2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2816 TXPlatforn.exe

pid	process
2816	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2084	svchost.exe
Token: SeLoadDriverPrivilege	2816	TXPlatforn.exe
Token: 33	2816	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2816	TXPlatforn.exe
Token: 33	2816	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2816	TXPlatforn.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

pid	process
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

pid	process
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2436	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

pid	process
2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exesvchost.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2052 wrote to memory of 2084	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchost.exe
PID 2052 wrote to memory of 2084	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchost.exe
PID 2052 wrote to memory of 2084	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchost.exe
PID 2052 wrote to memory of 2084	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchost.exe
PID 2052 wrote to memory of 2084	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchost.exe
PID 2052 wrote to memory of 2084	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchost.exe
PID 2052 wrote to memory of 2084	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchost.exe
PID 2084 wrote to memory of 2656	2084	svchost.exe	cmd.exe
PID 2084 wrote to memory of 2656	2084	svchost.exe	cmd.exe
PID 2084 wrote to memory of 2656	2084	svchost.exe	cmd.exe
PID 2084 wrote to memory of 2656	2084	svchost.exe	cmd.exe
PID 2052 wrote to memory of 2828	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchos.exe
PID 2052 wrote to memory of 2828	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchos.exe
PID 2052 wrote to memory of 2828	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchos.exe
PID 2052 wrote to memory of 2828	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	svchos.exe
PID 3004 wrote to memory of 2816	3004	TXPlatforn.exe	TXPlatforn.exe
PID 3004 wrote to memory of 2816	3004	TXPlatforn.exe	TXPlatforn.exe
PID 3004 wrote to memory of 2816	3004	TXPlatforn.exe	TXPlatforn.exe
PID 3004 wrote to memory of 2816	3004	TXPlatforn.exe	TXPlatforn.exe
PID 3004 wrote to memory of 2816	3004	TXPlatforn.exe	TXPlatforn.exe
PID 3004 wrote to memory of 2816	3004	TXPlatforn.exe	TXPlatforn.exe
PID 3004 wrote to memory of 2816	3004	TXPlatforn.exe	TXPlatforn.exe
PID 2656 wrote to memory of 2464	2656	cmd.exe	PING.EXE
PID 2656 wrote to memory of 2464	2656	cmd.exe	PING.EXE
PID 2656 wrote to memory of 2464	2656	cmd.exe	PING.EXE
PID 2656 wrote to memory of 2464	2656	cmd.exe	PING.EXE
PID 2052 wrote to memory of 2436	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
PID 2052 wrote to memory of 2436	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
PID 2052 wrote to memory of 2436	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
PID 2052 wrote to memory of 2436	2052	d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe	HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

C:\Users\Admin\AppData\Local\Temp\d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
"C:\Users\Admin\AppData\Local\Temp\d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2052

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\\svchost.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084

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\svchost.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:2656

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2464

C:\Users\Admin\AppData\Local\Temp\svchos.exe
C:\Users\Admin\AppData\Local\Temp\\svchos.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:2828

C:\Users\Admin\AppData\Local\Temp\HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
C:\Users\Admin\AppData\Local\Temp\HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2436

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3004

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:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.5MB

MD5
cf83cf198cbb57576352ad3716451818

SHA1
0e420459220dba71b48758720544957f6d926da5

SHA256
cfbb6df8d21b26e1e3822eba01440b21b5b63311ca653e37eaa15e8feaa5f3d2

SHA512
0212838b01507d5b958b051f15996e077ff627a4adcfaf3bfc891033858066d0045d4d688ad378139ab068c0fe1ce9cefa0ed53fdde9dba7e14f51d3f64ee54f

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchos.exe

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Users\Admin\AppData\Local\Temp\HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

Filesize
3.3MB

MD5
115b2ff4cd48b313eef94d3e94dc22cc

SHA1
439b85e37cb59e4a576bb5ed474907fd53b40d3f

SHA256
a480255fb4e8732955c413da0774aa38b4abb7739bd488c66e4533e0bd28798d

SHA512
4e68b4051e18f1e03d4c6b7420e4fe08ad080ef6968ea37354571b809da72628fe3392c87b53090423e3ceeb0103a43db81fa90a7b63c649c4b170e1e51c7f76

Download Submit
\Windows\SysWOW64\259394734.txt

Filesize
50KB

MD5
a5c849d32d0a83474a74ca3188e3d3fe

SHA1
87ca3c51e0e79c6d571a3615f67053cb7f788fea

SHA256
2405cab154d311f1f6475f70e0f0e86048fcf9301349618b2925d32e9a57d191

SHA512
1bcca7e55d46b56d46170a27df30c9f3a0747b48aec5f3d790bd1167b1b1779f3af583d5cac44d77df0a3c60d7d7b7eb4015695d7dee3037fb8e70e668eea3b8

Download Submit
memory/2084-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2084-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2084-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2084-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2436-100-0x0000000000400000-0x000000000075F000-memory.dmp

Filesize
3.4MB

Download
memory/2436-80-0x0000000000400000-0x000000000075F000-memory.dmp

Filesize
3.4MB

Download
memory/2816-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2816-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2816-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads