gh0strat | 3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4

General

Target

3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe
Size

640KB
MD5

712b8594c66cd4e8b13da7a48ad8b856
SHA1

da1ac551752bc591d5f9070a8b30b237d262560d
SHA256

3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4
SHA512

99e298f497e89d8e4df4fd9886289b44727f625622449245989490cbaefe469ac5ff214abced5408d32d8717e0b889f9fd411ae80252e9c9da3d99817197cc05
SSDEEP

12288:ri2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8yk6ee3QzTh:ri2Tro2H2HESq2eWJ6MQjySjykPe3iTh

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2904-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2904-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2904-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2384-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2384-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2904-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2904-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2904-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2384-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2384-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2196-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2196-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2196-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2196-46-0x0000000010000000-0x00000000101B6000-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
2904	RVN.exe
1908	HD_3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe
2384	TXPlatforn.exe
2196	TXPlatforn.exe

Loads dropped DLL 4 IoCs

pid	Process
2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe
2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe
2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe
2384	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 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2904-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2384-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2384-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.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

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
1684	cmd.exe
2636	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2636	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2196	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2904	RVN.exe
Token: SeLoadDriverPrivilege	2196	TXPlatforn.exe
Token: 33	2196	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2196	TXPlatforn.exe
Token: 33	2196	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2196	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2904	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	28
PID 2856 wrote to memory of 2904	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	28
PID 2856 wrote to memory of 2904	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	28
PID 2856 wrote to memory of 2904	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	28
PID 2856 wrote to memory of 2904	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	28
PID 2856 wrote to memory of 2904	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	28
PID 2856 wrote to memory of 2904	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	28
PID 2856 wrote to memory of 1908	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	29
PID 2856 wrote to memory of 1908	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	29
PID 2856 wrote to memory of 1908	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	29
PID 2856 wrote to memory of 1908	2856	3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe	29
PID 2904 wrote to memory of 1684	2904	RVN.exe	32
PID 2904 wrote to memory of 1684	2904	RVN.exe	32
PID 2904 wrote to memory of 1684	2904	RVN.exe	32
PID 2904 wrote to memory of 1684	2904	RVN.exe	32
PID 2384 wrote to memory of 2196	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2196	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2196	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2196	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2196	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2196	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2196	2384	TXPlatforn.exe	33
PID 1684 wrote to memory of 2636	1684	cmd.exe	35
PID 1684 wrote to memory of 2636	1684	cmd.exe	35
PID 1684 wrote to memory of 2636	1684	cmd.exe	35
PID 1684 wrote to memory of 2636	1684	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe
"C:\Users\Admin\AppData\Local\Temp\3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2856
- 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:2904
- - 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:1684
  - - 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:2636
- C:\Users\Admin\AppData\Local\Temp\HD_3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe
  C:\Users\Admin\AppData\Local\Temp\HD_3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe
  2⤵
  - Executes dropped EXE
  PID:1908

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:2384
- 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:2196

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 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_3afec5a50637dcce4195dba2c66e598a2d4c9c286392a29043ad2c6eafd978e4.exe

Filesize
68KB

MD5
7bdf357369bb4d9894dd3d5784212439

SHA1
c394dfaaf5a69b9f4344168ba01a8799930343c1

SHA256
cd6909cd9f072aa95f90c56c019aee9dabcd4071c2dd08c836af001d5e5e3de0

SHA512
0a11462cd596844314eba37417163acc1c2ec21ce23b9a24a1b1537ae1515e179418823be928337d8b03ab135be41f93f742616270c9883ff4467b6c95949243

Download Submit
C:\Users\Admin\Desktop\SplitBlock.exe

Filesize
1.3MB

MD5
7686cbf031d7e13836c7066589959ec4

SHA1
1579e71c5c543a523c808e1cd6249de99f645dac

SHA256
94fe4bbe902a992c59bbeab01478c474f84945f49654847441e5d6b74cefcdbb

SHA512
80fbf0e277af602a15b92884d034e56b26b5b19cdabe58cb60fdcabfea74669bc2e63ecca755f87de7857206d5171068b0c65337bbf85340aea491de46dfa36b

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1908-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2196-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2384-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2384-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads