gh0strat | ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d

General

Target

ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe
Size

2.0MB
MD5

d9caa66d806836ec3a3a6e3b8349c2e8
SHA1

75d1a37cd0cc4a96414d41b5a0caab778fbe0902
SHA256

ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d
SHA512

b3d43594c03b81f7f706a5a71d6cc126eeee85fb3a496e2c74cf0b85f2b07854155741d15eacfbe18007297f602bc81ab946cdce333878a0057872730ea739ba
SSDEEP

49152:209XJt4HIN2H2tFvduySppeI3rZPItx2apeapelI:nZJt4HINy2LkGI3mtUvlI

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/2916-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2916-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2916-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2284-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2284-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2768-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2768-70-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2768-71-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2916-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2916-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2916-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2284-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2284-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2768-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2768-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2768-70-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2768-71-0x0000000010000000-0x00000000101B6000-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
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 4 IoCs

pid	Process
2916	RVN.exe
2284	TXPlatforn.exe
2768	TXPlatforn.exe
2296	HD_ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe

Loads dropped DLL 3 IoCs

pid	Process
2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe
2284	TXPlatforn.exe
2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.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 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2916-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2916-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2916-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2916-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2284-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2284-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-70-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-71-0x0000000010000000-0x00000000101B6000-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	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.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	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe
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

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
2792	cmd.exe
2956	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2956	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2768	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2916	RVN.exe
Token: SeLoadDriverPrivilege	2768	TXPlatforn.exe
Token: 33	2768	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2768	TXPlatforn.exe
Token: 33	2768	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2768	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe
2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2916	2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe	28
PID 2872 wrote to memory of 2916	2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe	28
PID 2872 wrote to memory of 2916	2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe	28
PID 2872 wrote to memory of 2916	2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe	28
PID 2872 wrote to memory of 2916	2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe	28
PID 2872 wrote to memory of 2916	2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe	28
PID 2872 wrote to memory of 2916	2872	ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe	28
PID 2284 wrote to memory of 2768	2284	TXPlatforn.exe	31
PID 2284 wrote to memory of 2768	2284	TXPlatforn.exe	31
PID 2284 wrote to memory of 2768	2284	TXPlatforn.exe	31
PID 2284 wrote to memory of 2768	2284	TXPlatforn.exe	31
PID 2284 wrote to memory of 2768	2284	TXPlatforn.exe	31
PID 2284 wrote to memory of 2768	2284	TXPlatforn.exe	31
PID 2284 wrote to memory of 2768	2284	TXPlatforn.exe	31
PID 2916 wrote to memory of 2792	2916	RVN.exe	30
PID 2916 wrote to memory of 2792	2916	RVN.exe	30
PID 2916 wrote to memory of 2792	2916	RVN.exe	30
PID 2916 wrote to memory of 2792	2916	RVN.exe	30
PID 2792 wrote to memory of 2956	2792	cmd.exe	34
PID 2792 wrote to memory of 2956	2792	cmd.exe	34
PID 2792 wrote to memory of 2956	2792	cmd.exe	34
PID 2792 wrote to memory of 2956	2792	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe
"C:\Users\Admin\AppData\Local\Temp\ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2872
- 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:2916
- - 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:2792
  - - 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:2956
- C:\Users\Admin\AppData\Local\Temp\HD_ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe
  2⤵
  - Executes dropped EXE
  PID:2296

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:2284
- 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:2768

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
1.3MB

MD5
f23fbbe308c085aff734cfc1c9d82e26

SHA1
21751b43cd486dbb37f9f45e561501735b0c2619

SHA256
fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7

SHA512
52e74a107d022da42221f84f7d090bbcb04cd717efbe21963abbb9a2c9fad82f225d70ff942d6d9d7534191830592199f5045aafb8d0608ce533df5e65a89ee0

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_ef45aaaa19dbd57d88a7e758fbc145832fb69e3e2a447a53683dc9fe3a7f698d.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2284-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2284-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-70-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-71-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2916-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2916-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2916-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2916-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads