gh0strat | b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195

General

Target

b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe
Size

2.6MB
MD5

ffb41c5c307168bcc8552c5ea898b1a0
SHA1

6a3d27a1943bbfa789d2c4714f78ea91a16dc21c
SHA256

b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195
SHA512

81d0594c67fdc4375e81bbd449b179724d75cca3d6f223776219f60a5c0590893054d1de222f7b1e358ddeb8172685951fe3713074839c6ad3d703fee18bdefa
SSDEEP

24576:iCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH7:iCwsbCANnKXferL7Vwe/Gg0P+Wh8

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2536-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2536-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2244-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2244-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2244-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259395841.txt	family_gh0strat
behavioral1/memory/2536-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2536-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2244-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2244-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2244-43-0x0000000010000000-0x00000000101B6000-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\\259395841.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

2380 R.exe
2536 N.exe
2796 TXPlatfor.exe
2244 TXPlatfor.exe
1992 Remote Data.exe

pid	process
2380	R.exe
2536	N.exe
2796	TXPlatfor.exe
2244	TXPlatfor.exe
1992	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe
2380	R.exe
1688	svchost.exe
2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe
2796	TXPlatfor.exe
1688	svchost.exe
1992	Remote Data.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2536-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2244-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2244-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2244-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
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\259395841.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2428 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2244 TXPlatfor.exe

pid	process
2428	PING.EXE

pid	process
2244	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2536	N.exe
Token: SeLoadDriverPrivilege	2244	TXPlatfor.exe
Token: 33	2244	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2244	TXPlatfor.exe
Token: 33	2244	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2244	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe

pid	process
2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe
2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2988 wrote to memory of 2380	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	R.exe
PID 2988 wrote to memory of 2380	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	R.exe
PID 2988 wrote to memory of 2380	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	R.exe
PID 2988 wrote to memory of 2380	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	R.exe
PID 2988 wrote to memory of 2536	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	N.exe
PID 2988 wrote to memory of 2536	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	N.exe
PID 2988 wrote to memory of 2536	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	N.exe
PID 2988 wrote to memory of 2536	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	N.exe
PID 2988 wrote to memory of 2536	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	N.exe
PID 2988 wrote to memory of 2536	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	N.exe
PID 2988 wrote to memory of 2536	2988	b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe	N.exe
PID 2536 wrote to memory of 2704	2536	N.exe	cmd.exe
PID 2536 wrote to memory of 2704	2536	N.exe	cmd.exe
PID 2536 wrote to memory of 2704	2536	N.exe	cmd.exe
PID 2536 wrote to memory of 2704	2536	N.exe	cmd.exe
PID 2796 wrote to memory of 2244	2796	TXPlatfor.exe	TXPlatfor.exe
PID 2796 wrote to memory of 2244	2796	TXPlatfor.exe	TXPlatfor.exe
PID 2796 wrote to memory of 2244	2796	TXPlatfor.exe	TXPlatfor.exe
PID 2796 wrote to memory of 2244	2796	TXPlatfor.exe	TXPlatfor.exe
PID 2796 wrote to memory of 2244	2796	TXPlatfor.exe	TXPlatfor.exe
PID 2796 wrote to memory of 2244	2796	TXPlatfor.exe	TXPlatfor.exe
PID 2796 wrote to memory of 2244	2796	TXPlatfor.exe	TXPlatfor.exe
PID 2704 wrote to memory of 2428	2704	cmd.exe	PING.EXE
PID 2704 wrote to memory of 2428	2704	cmd.exe	PING.EXE
PID 2704 wrote to memory of 2428	2704	cmd.exe	PING.EXE
PID 2704 wrote to memory of 2428	2704	cmd.exe	PING.EXE
PID 1688 wrote to memory of 1992	1688	svchost.exe	Remote Data.exe
PID 1688 wrote to memory of 1992	1688	svchost.exe	Remote Data.exe
PID 1688 wrote to memory of 1992	1688	svchost.exe	Remote Data.exe
PID 1688 wrote to memory of 1992	1688	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe
"C:\Users\Admin\AppData\Local\Temp\b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2988

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:2380

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:2536

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:2704

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2428

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2328

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:1688

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259395841.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1992

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2796

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:2244

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2.6MB

MD5
ffb41c5c307168bcc8552c5ea898b1a0

SHA1
6a3d27a1943bbfa789d2c4714f78ea91a16dc21c

SHA256
b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195

SHA512
81d0594c67fdc4375e81bbd449b179724d75cca3d6f223776219f60a5c0590893054d1de222f7b1e358ddeb8172685951fe3713074839c6ad3d703fee18bdefa

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259395841.txt

Filesize
899KB

MD5
f544f20e0c697a946efa7de1c3dfffd3

SHA1
d2f11ca61a7b50e8967b84b9889ec449cebd8710

SHA256
10137d55d873a7bc35c69b3223fb6ba3b519a3639d28c9e78e434d4079bcb859

SHA512
1ee36ffaa32a2ca339ce94ee661fc7bb678f3aa90050566d1729b80ae6beadd710721fea34dc08c3b7e1e0dfcb45318bca2d8d98189c4a5d89552fa2f7ac1076

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2244-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2244-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2244-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads