gh0strat | a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f

General

Target

a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe
Size

1.6MB
MD5

371053b380e904c3a807fbb9abebeb2f
SHA1

3fd32cba06d95c430536e4adde8a53a045241a23
SHA256

a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f
SHA512

f07693620400dd46f35d4d6cb5571bfa59e5fa2c256d25bed22fa57374c0b78796d27b1f06d1755c024da13e032649a27124aad7020919b787cb53daa352c407
SSDEEP

24576:+09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+Rr0:+09XJt4HIN2H2tFvduySL0

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2168-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2168-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2168-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2552-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3028-64-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3028-60-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2552-59-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3028-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2168-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2168-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2168-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2552-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3028-64-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3028-60-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2552-59-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3028-65-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
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 3 IoCs

pid	Process
2168	RVN.exe
2552	TXPlatforn.exe
3028	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
2236	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe
2552	TXPlatforn.exe

Drops file in System32 directory 2 IoCs

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

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2168-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2168-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2168-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2168-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3028-64-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3028-60-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-59-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3028-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1812	cmd.exe
2876	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2876	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3028	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2168	RVN.exe
Token: SeLoadDriverPrivilege	3028	TXPlatforn.exe
Token: 33	3028	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3028	TXPlatforn.exe
Token: 33	3028	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3028	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2236	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe
2236	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2168	2236	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe	30
PID 2236 wrote to memory of 2168	2236	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe	30
PID 2236 wrote to memory of 2168	2236	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe	30
PID 2236 wrote to memory of 2168	2236	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe	30
PID 2236 wrote to memory of 2168	2236	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe	30
PID 2236 wrote to memory of 2168	2236	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe	30
PID 2236 wrote to memory of 2168	2236	a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe	30
PID 2168 wrote to memory of 1812	2168	RVN.exe	32
PID 2168 wrote to memory of 1812	2168	RVN.exe	32
PID 2168 wrote to memory of 1812	2168	RVN.exe	32
PID 2168 wrote to memory of 1812	2168	RVN.exe	32
PID 2552 wrote to memory of 3028	2552	TXPlatforn.exe	33
PID 2552 wrote to memory of 3028	2552	TXPlatforn.exe	33
PID 2552 wrote to memory of 3028	2552	TXPlatforn.exe	33
PID 2552 wrote to memory of 3028	2552	TXPlatforn.exe	33
PID 2552 wrote to memory of 3028	2552	TXPlatforn.exe	33
PID 2552 wrote to memory of 3028	2552	TXPlatforn.exe	33
PID 2552 wrote to memory of 3028	2552	TXPlatforn.exe	33
PID 1812 wrote to memory of 2876	1812	cmd.exe	35
PID 1812 wrote to memory of 2876	1812	cmd.exe	35
PID 1812 wrote to memory of 2876	1812	cmd.exe	35
PID 1812 wrote to memory of 2876	1812	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe
"C:\Users\Admin\AppData\Local\Temp\a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2168
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1812
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2876

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552
- 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:3028

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.6MB

MD5
371053b380e904c3a807fbb9abebeb2f

SHA1
3fd32cba06d95c430536e4adde8a53a045241a23

SHA256
a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f

SHA512
f07693620400dd46f35d4d6cb5571bfa59e5fa2c256d25bed22fa57374c0b78796d27b1f06d1755c024da13e032649a27124aad7020919b787cb53daa352c407

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2168-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2168-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2168-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2168-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-59-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3028-64-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3028-60-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3028-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads