gh0strat | 509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1

General

Target

509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
Size

1.2MB
MD5

8edafdf456ee01a1b79d1c90c3488cc2
SHA1

68cb2713a81f95c6feb270dcfadcb540beaca956
SHA256

509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1
SHA512

f901b5d24283603b8cef1a744a0bf1635ed80ca29a51bc38a4eb9ae7b3b57844308a4311d42718a0460d2cec78dcba0a4b40e8d488770f88a89a395cca3621f3
SSDEEP

24576:K09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+49i5:K09XJt4HIN2H2tFvduySuW

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1988-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1988-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1988-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-69-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-71-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/1988-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1988-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1988-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2668-56-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2668-69-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2668-71-0x0000000010000000-0x00000000101B6000-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

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

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

Executes dropped EXE 4 IoCs

pid	Process
1988	RVN.exe
3016	TXPlatforn.exe
2744	HD_509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
2668	TXPlatforn.exe

Loads dropped DLL 3 IoCs

pid	Process
1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
3016	TXPlatforn.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1988-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1988-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1988-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1988-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2668-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2668-69-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2668-71-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

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

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.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

pid	Process
2680	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2668	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1988	RVN.exe
Token: SeLoadDriverPrivilege	2668	TXPlatforn.exe
Token: 33	2668	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2668	TXPlatforn.exe
Token: 33	2668	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2668	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1988	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	28
PID 1640 wrote to memory of 1988	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	28
PID 1640 wrote to memory of 1988	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	28
PID 1640 wrote to memory of 1988	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	28
PID 1640 wrote to memory of 1988	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	28
PID 1640 wrote to memory of 1988	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	28
PID 1640 wrote to memory of 1988	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	28
PID 1988 wrote to memory of 2712	1988	RVN.exe	30
PID 1988 wrote to memory of 2712	1988	RVN.exe	30
PID 1988 wrote to memory of 2712	1988	RVN.exe	30
PID 1988 wrote to memory of 2712	1988	RVN.exe	30
PID 1640 wrote to memory of 2744	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	32
PID 1640 wrote to memory of 2744	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	32
PID 1640 wrote to memory of 2744	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	32
PID 1640 wrote to memory of 2744	1640	509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe	32
PID 3016 wrote to memory of 2668	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2668	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2668	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2668	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2668	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2668	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2668	3016	TXPlatforn.exe	33
PID 2712 wrote to memory of 2680	2712	cmd.exe	34
PID 2712 wrote to memory of 2680	2712	cmd.exe	34
PID 2712 wrote to memory of 2680	2712	cmd.exe	34
PID 2712 wrote to memory of 2680	2712	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
"C:\Users\Admin\AppData\Local\Temp\509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640
- 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:1988
- - 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:2712
  - - 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_509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
  C:\Users\Admin\AppData\Local\Temp\HD_509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe
  2⤵
  - Executes dropped EXE
  PID:2744

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3016
- 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:2668

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

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Downloads

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

Filesize
1.1MB

MD5
eb75637795231dc075c6cf0fd6bcbec5

SHA1
5d7a4281d8e78b787fb66f206f17d900645a10d0

SHA256
28abbf766b8e34102eae6ff2d8cfb55bc5078cb2b17aa884824407021c28d71f

SHA512
086203a348b7a93b43d376beed81213720bc8c45bf44cf6d18a02895a936167eb94ccc75a7826b4de63ca2b536999f5e0f39b002942c21489c1b1e67bba23b34

Download Submit
\Users\Admin\AppData\Local\Temp\HD_509cc91dfb887cf8a870c05067c5abf7eed887535e3e95c79a1df49bd41aaaa1.exe

Filesize
60KB

MD5
7c2eba1c69a7776a2c69bdb4d4c497b9

SHA1
1bf838a88f00974e693261d4b51eb88f28500569

SHA256
4de2b336407809b46f52e6848859b9fb82b992a76f98f340a65a3bd71efa94e5

SHA512
4c779f79dc1f3fabb9f143725b771b1a9fb02becd445054fcf93871c8aedb194c7338b4f72f073add7f8e60660f2223c115002b84cf2c6e3c451a4cb05636ed9

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1988-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1988-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1988-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1988-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2668-56-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2668-69-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2668-71-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads