gh0strat | a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7

General

Target

a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
Size

3.4MB
MD5

a3d9224595dbb786b7b95e54a2216523
SHA1

0fc7cd5136febce9d4ce47ca17713d8eff53a0ff
SHA256

a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7
SHA512

4b46c340b36a7feb185e02a5c3a8f396218c03178296cefb03115223f8b68dcf292d5b1c8e47bc3ddcaff03e19ac0851265119619fdddfdd4b0aa358dc0107c2
SSDEEP

49152:o09XJt4HIN2H2tFvduySXwXChnNRiecnAssQZj3Fl+s8KuqGaX0ToIBAUZLYu:NZJt4HINy2LkX0UnNnssQZ0JBAUZLB

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
behavioral1/memory/1956-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1956-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2888-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2616-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2616-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2616-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1956-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1956-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2888-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2616-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2616-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2616-32-0x0000000010000000-0x00000000101B6000-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 4 IoCs

Processes:

RVN.exeTXPlatforn.exeHD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exeTXPlatforn.exe

pid process

1956 RVN.exe
2888 TXPlatforn.exe
2632 HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
2616 TXPlatforn.exe

pid	process
1956	RVN.exe
2888	TXPlatforn.exe
2632	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
2616	TXPlatforn.exe

Loads dropped DLL 10 IoCs

Processes:

a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exeTXPlatforn.exeWerFault.exe

pid	process
2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
2888	TXPlatforn.exe
1732	WerFault.exe
1732	WerFault.exe
1732	WerFault.exe
1732	WerFault.exe
1732	WerFault.exe
1732	WerFault.exe
1732	WerFault.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1956-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1956-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2888-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2616-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2616-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2616-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1956-5-0x0000000010000000-0x00000000101B6000-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:

a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe

description	ioc	process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process

1732 2632 WerFault.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2680 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe

pid process

2696 a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2616 TXPlatforn.exe

pid	pid_target	process
1732	2632	WerFault.exe

pid	process
2680	PING.EXE

pid	process
2616	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1956	RVN.exe
Token: SeLoadDriverPrivilege	2616	TXPlatforn.exe
Token: 33	2616	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2616	TXPlatforn.exe
Token: 33	2616	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2616	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exeHD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe

pid	process
2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
2632	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
2632	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exeRVN.exeTXPlatforn.execmd.exeHD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe

description	pid	process	target process
PID 2696 wrote to memory of 1956	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	RVN.exe
PID 2696 wrote to memory of 1956	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	RVN.exe
PID 2696 wrote to memory of 1956	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	RVN.exe
PID 2696 wrote to memory of 1956	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	RVN.exe
PID 2696 wrote to memory of 1956	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	RVN.exe
PID 2696 wrote to memory of 1956	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	RVN.exe
PID 2696 wrote to memory of 1956	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	RVN.exe
PID 1956 wrote to memory of 2520	1956	RVN.exe	cmd.exe
PID 1956 wrote to memory of 2520	1956	RVN.exe	cmd.exe
PID 1956 wrote to memory of 2520	1956	RVN.exe	cmd.exe
PID 1956 wrote to memory of 2520	1956	RVN.exe	cmd.exe
PID 2696 wrote to memory of 2632	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
PID 2696 wrote to memory of 2632	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
PID 2696 wrote to memory of 2632	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
PID 2696 wrote to memory of 2632	2696	a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
PID 2888 wrote to memory of 2616	2888	TXPlatforn.exe	TXPlatforn.exe
PID 2888 wrote to memory of 2616	2888	TXPlatforn.exe	TXPlatforn.exe
PID 2888 wrote to memory of 2616	2888	TXPlatforn.exe	TXPlatforn.exe
PID 2888 wrote to memory of 2616	2888	TXPlatforn.exe	TXPlatforn.exe
PID 2888 wrote to memory of 2616	2888	TXPlatforn.exe	TXPlatforn.exe
PID 2888 wrote to memory of 2616	2888	TXPlatforn.exe	TXPlatforn.exe
PID 2888 wrote to memory of 2616	2888	TXPlatforn.exe	TXPlatforn.exe
PID 2520 wrote to memory of 2680	2520	cmd.exe	PING.EXE
PID 2520 wrote to memory of 2680	2520	cmd.exe	PING.EXE
PID 2520 wrote to memory of 2680	2520	cmd.exe	PING.EXE
PID 2520 wrote to memory of 2680	2520	cmd.exe	PING.EXE
PID 2632 wrote to memory of 1732	2632	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	WerFault.exe
PID 2632 wrote to memory of 1732	2632	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	WerFault.exe
PID 2632 wrote to memory of 1732	2632	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	WerFault.exe
PID 2632 wrote to memory of 1732	2632	HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
"C:\Users\Admin\AppData\Local\Temp\a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2696

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:1956

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:2520

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2680

C:\Users\Admin\AppData\Local\Temp\HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
C:\Users\Admin\AppData\Local\Temp\HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 288
3⤵
- Loads dropped DLL
- Program crash
PID:1732

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2888

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:2616

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.2MB

MD5
300e285b5507dbfb049b50d83a5525f9

SHA1
246f78d78e691731482d59603ee6fa64e321cb1e

SHA256
57e2d14098470bd98ac87c1bb7f991b2167d9c8a857fe70715ae34d7f74641c4

SHA512
a08e7e098d489220737fa24488516ac4aa100712be0371bb72be23623fd275b0a3d684585944237cabb5450ac07f68ea6c354f9b9ae3bf1c7da45ac3a261c86a

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
\Users\Admin\AppData\Local\Temp\HD_a94f166fb8f1288968754f523ccddc215b3c4061402f4ee7a4010f857a9039f7.exe
Filesize
2.3MB

MD5
110c2472b8f8901f054d8167180ae9c0

SHA1
16a74bdfe1bfc5a6159b361ea720d9c52a8afc03

SHA256
7d2df37006d0544d5e54ae31d74d6afa03ea0b836f4c9725cbd8845d229a8304

SHA512
9f90b578ca45b30b19251c43bd73d8fd64e8d933f43064ab978e546961e1906ab802b89f3295522c2661343ab0bcc0ac601b45bcf5f8412289a4b496ce74aff9

Download Submit
memory/1956-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2616-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2616-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2616-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2888-31-0x0000000010000000-0x00000000101B6000-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