gh0strat | f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f

General

Target

f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe
Size

2.8MB
MD5

d828eb391b394ba5d80707108114d62d
SHA1

63ed70664871a98f830dbab59eaa26a988dd67be
SHA256

f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f
SHA512

8d2688375a8d7b51ebac5c3f14d6655403ac3ee68d0cdf1f569ffdd97a515a8f0c4c1fb5953ea7019c375a4c0e3371bc20dbabb9166fcbaab5ac1cd200ef8164
SSDEEP

49152:nCwsbCANnKXferL7Vwe/Gg0P+Wh499CdEXrz:Cws2ANnKXOaeOgmh49YdEbz

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/2932-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2932-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2932-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4224-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4224-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1876-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1876-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240605578.txt	family_gh0strat
behavioral2/memory/2932-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2932-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2932-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4224-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4224-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1876-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1876-52-0x0000000010000000-0x00000000101B6000-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:

TXPlatfor.exe

description ioc process

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

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

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240605578.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

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

Executes dropped EXE 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exe

pid process

4064 R.exe
2932 N.exe
4224 TXPlatfor.exe
1876 TXPlatfor.exe
4920 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4064 R.exe
5064 svchost.exe
4920 Remote Data.exe

pid	process
4064	R.exe
2932	N.exe
4224	TXPlatfor.exe
1876	TXPlatfor.exe
4920	Remote Data.exe

pid	process
4064	R.exe
5064	svchost.exe
4920	Remote Data.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2932-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2932-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2932-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2932-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4224-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4224-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4224-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1876-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1876-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240605578.txt	R.exe

Drops file in Program Files directory 1 IoCs

Processes:

f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.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

1896 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

1876 TXPlatfor.exe

pid	process
1896	PING.EXE

pid	process
1876	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2932	N.exe
Token: SeLoadDriverPrivilege	1876	TXPlatfor.exe
Token: 33	1876	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1876	TXPlatfor.exe
Token: 33	1876	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1876	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe

pid	process
4312	f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe
4312	f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exeTXPlatfor.exeN.execmd.exesvchost.exe

description	pid	process	target process
PID 4312 wrote to memory of 4064	4312	f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe	R.exe
PID 4312 wrote to memory of 4064	4312	f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe	R.exe
PID 4312 wrote to memory of 4064	4312	f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe	R.exe
PID 4312 wrote to memory of 2932	4312	f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe	N.exe
PID 4312 wrote to memory of 2932	4312	f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe	N.exe
PID 4312 wrote to memory of 2932	4312	f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe	N.exe
PID 4224 wrote to memory of 1876	4224	TXPlatfor.exe	TXPlatfor.exe
PID 4224 wrote to memory of 1876	4224	TXPlatfor.exe	TXPlatfor.exe
PID 4224 wrote to memory of 1876	4224	TXPlatfor.exe	TXPlatfor.exe
PID 2932 wrote to memory of 5036	2932	N.exe	cmd.exe
PID 2932 wrote to memory of 5036	2932	N.exe	cmd.exe
PID 2932 wrote to memory of 5036	2932	N.exe	cmd.exe
PID 5036 wrote to memory of 1896	5036	cmd.exe	PING.EXE
PID 5036 wrote to memory of 1896	5036	cmd.exe	PING.EXE
PID 5036 wrote to memory of 1896	5036	cmd.exe	PING.EXE
PID 5064 wrote to memory of 4920	5064	svchost.exe	Remote Data.exe
PID 5064 wrote to memory of 4920	5064	svchost.exe	Remote Data.exe
PID 5064 wrote to memory of 4920	5064	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe
"C:\Users\Admin\AppData\Local\Temp\f8339ccdca5b220416269f796039e554b4b7b809fec74bd7cc0713e3c7a2f46f.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4312

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:4064

C:\Users\Admin\AppData\Local\Temp\N.exe
C:\Users\Admin\AppData\Local\Temp\\N.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932

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\N.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:5036

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1896

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:760

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:5064

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240605578.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4920

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4224

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.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:1876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\N.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCX5CC6.tmp
Filesize
2.8MB

MD5
976fcb9e21ef132daf289659f8bb9eed

SHA1
f0a0e55c8608654e642f39c68fbcfbaeecd2426f

SHA256
23de7beb79128af990257eaab7d360744503ccaca1fbef50272cb0b40a5c76a6

SHA512
b3d58d6c6b927afc26da4fb514b38a2b81bf067c4f6eedc6d5b2504e5be0b1189fc081aecad4a9f17f472f3b0799b3ee71825ada261a1d3807425065aae63e00

Download Submit
C:\Windows\SysWOW64\240605578.txt
Filesize
899KB

MD5
c77aad0f369e88d7e60f3ba2f8db3862

SHA1
1e709dc05f2d79b2db51c270d8810e229c0d193c

SHA256
caa9f09c359717a078ed3b1caf5f2bbbb1575b52e86e21627143902bd798413c

SHA512
d467cf50d581256a96ed5e7db5b6613ac6157b9690086c2c6137ff002be9916ae3792abcb0466f7d065d20b3f090fd8c80a8a266f126aa5dae9887e4749524ef

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1876-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1876-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2932-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2932-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2932-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2932-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4224-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4224-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4224-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads