gh0strat | dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01

General

Target

dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe
Size

4.6MB
MD5

1ff94b127ece546e5f5ee600367c04f4
SHA1

480ed6aefbe7e9a89a11b3750bf9002f11023ce8
SHA256

dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01
SHA512

df1186021fcd0e7f9ab910f815833aae733942ed1307ad4fea51c33565c73cc47aff8d1de73b2c21bddca91587444546571cfd533fdac4f8be074414dc9ad3a2
SSDEEP

49152:w09XJt4HIN2H2tFvduySIGbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8bU:1ZJt4HINy2LkIGbXsPN5kiQaZ56

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/2924-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2924-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1424-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2248-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2248-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2924-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1424-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2248-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2924-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2924-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1424-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2248-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2248-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2924-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1424-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2248-72-0x0000000010000000-0x00000000101B6000-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
2924	RVN.exe
1424	TXPlatforn.exe
2248	TXPlatforn.exe
2728	HD_dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe

Loads dropped DLL 3 IoCs

pid	Process
1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe
1424	TXPlatforn.exe
1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2924-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2924-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2924-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1424-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2248-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2248-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2924-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1424-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2248-72-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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

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	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.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 6 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	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.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
2052	cmd.exe
2568	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2568	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2248	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2924	RVN.exe
Token: SeLoadDriverPrivilege	2248	TXPlatforn.exe
Token: 33	2248	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2248	TXPlatforn.exe
Token: 33	2248	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2248	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe
1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2924	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	30
PID 1908 wrote to memory of 2924	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	30
PID 1908 wrote to memory of 2924	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	30
PID 1908 wrote to memory of 2924	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	30
PID 1908 wrote to memory of 2924	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	30
PID 1908 wrote to memory of 2924	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	30
PID 1908 wrote to memory of 2924	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	30
PID 1424 wrote to memory of 2248	1424	TXPlatforn.exe	33
PID 1424 wrote to memory of 2248	1424	TXPlatforn.exe	33
PID 1424 wrote to memory of 2248	1424	TXPlatforn.exe	33
PID 1424 wrote to memory of 2248	1424	TXPlatforn.exe	33
PID 1424 wrote to memory of 2248	1424	TXPlatforn.exe	33
PID 1424 wrote to memory of 2248	1424	TXPlatforn.exe	33
PID 1424 wrote to memory of 2248	1424	TXPlatforn.exe	33
PID 2924 wrote to memory of 2052	2924	RVN.exe	32
PID 2924 wrote to memory of 2052	2924	RVN.exe	32
PID 2924 wrote to memory of 2052	2924	RVN.exe	32
PID 2924 wrote to memory of 2052	2924	RVN.exe	32
PID 1908 wrote to memory of 2728	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	35
PID 1908 wrote to memory of 2728	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	35
PID 1908 wrote to memory of 2728	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	35
PID 1908 wrote to memory of 2728	1908	dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe	35
PID 2052 wrote to memory of 2568	2052	cmd.exe	36
PID 2052 wrote to memory of 2568	2052	cmd.exe	36
PID 2052 wrote to memory of 2568	2052	cmd.exe	36
PID 2052 wrote to memory of 2568	2052	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe
"C:\Users\Admin\AppData\Local\Temp\dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.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:1908
- 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:2924
- - 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:2052
  - - 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:2568
- C:\Users\Admin\AppData\Local\Temp\HD_dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe
  C:\Users\Admin\AppData\Local\Temp\HD_dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2728

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:1424
- 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:2248

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
1.5MB

MD5
897584b7b829aa3f348fd98275f18f26

SHA1
05e544d177ce6a26fc9e70de8265a4ed00e6ee59

SHA256
74af65cf10f2506e46284def819fee7ac7768a9361433caef9d9f150e8878fcf

SHA512
6578a2c91c13b0e9b2830b49c28f393f9faae2540ac02db3a94416815f1e861ee5beab7e8f350c2b2644a46be55ff2887c694b98e9e1a76df1c6cc4ed49dcc1e

Download Submit
\Users\Admin\AppData\Local\Temp\HD_dd4e375a4a08e600c8eb38838f35c4ed03643e70674fddb550ceb12850340d01.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1424-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1424-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2924-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2924-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2924-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2924-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads