gh0strat | 9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd

General

Target

9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
Size

1.6MB
MD5

5aabfeefdf23733590038358aa785673
SHA1

89dcbd01639466ea622067bdcd904fe990909928
SHA256

9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd
SHA512

c450ec2ee3d2eaea1f8e6936dee78c7aba44eb2ced71e1187d5365644805a1a2135403866125b2290ddf370280b804d56eb656271e5bcf19353c1fe61b984987
SSDEEP

24576:M09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy++4s0M8u8:M09XJt4HIN2H2tFvduySo4r68

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/2308-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2308-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2308-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2828-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2736-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2828-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2736-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2736-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2736-74-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2308-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2308-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2308-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2828-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2736-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2828-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2736-52-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2736-73-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2736-74-0x0000000010000000-0x00000000101B6000-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
2308	RVN.exe
2828	TXPlatforn.exe
2736	TXPlatforn.exe
3024	HD_9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe

Loads dropped DLL 4 IoCs

pid	Process
1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
2828	TXPlatforn.exe
1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.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/2308-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2308-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2308-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2308-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2736-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2736-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2736-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2736-74-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.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	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.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
2028	PING.EXE
2780	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2028	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2736	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2308	RVN.exe
Token: SeLoadDriverPrivilege	2736	TXPlatforn.exe
Token: 33	2736	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2736	TXPlatforn.exe
Token: 33	2736	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2736	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 2308	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	29
PID 1120 wrote to memory of 2308	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	29
PID 1120 wrote to memory of 2308	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	29
PID 1120 wrote to memory of 2308	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	29
PID 1120 wrote to memory of 2308	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	29
PID 1120 wrote to memory of 2308	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	29
PID 1120 wrote to memory of 2308	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	29
PID 2308 wrote to memory of 2780	2308	RVN.exe	31
PID 2308 wrote to memory of 2780	2308	RVN.exe	31
PID 2308 wrote to memory of 2780	2308	RVN.exe	31
PID 2308 wrote to memory of 2780	2308	RVN.exe	31
PID 2828 wrote to memory of 2736	2828	TXPlatforn.exe	32
PID 2828 wrote to memory of 2736	2828	TXPlatforn.exe	32
PID 2828 wrote to memory of 2736	2828	TXPlatforn.exe	32
PID 2828 wrote to memory of 2736	2828	TXPlatforn.exe	32
PID 2828 wrote to memory of 2736	2828	TXPlatforn.exe	32
PID 2828 wrote to memory of 2736	2828	TXPlatforn.exe	32
PID 2828 wrote to memory of 2736	2828	TXPlatforn.exe	32
PID 1120 wrote to memory of 3024	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	33
PID 1120 wrote to memory of 3024	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	33
PID 1120 wrote to memory of 3024	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	33
PID 1120 wrote to memory of 3024	1120	9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe	33
PID 2780 wrote to memory of 2028	2780	cmd.exe	35
PID 2780 wrote to memory of 2028	2780	cmd.exe	35
PID 2780 wrote to memory of 2028	2780	cmd.exe	35
PID 2780 wrote to memory of 2028	2780	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
"C:\Users\Admin\AppData\Local\Temp\9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.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:1120
- 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:2308
- - 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:2780
  - - 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:2028
- C:\Users\Admin\AppData\Local\Temp\HD_9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
  C:\Users\Admin\AppData\Local\Temp\HD_9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
  2⤵
  - Executes dropped EXE
  PID:3024

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:2828
- 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:2736

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.5MB

MD5
e6639196a1a65066a3eb9e66d0875b0b

SHA1
d18832595289e4a54b587d186eb2f3eaa48cf30a

SHA256
feb3240112951d9b7d72a1ed31196a00354020027e8bf7fba92c4f76acf4314e

SHA512
aead470f1c6a9d879cf22ccd7cda21a8b69f9a6a68d6f179a72aa0e2ee52166fe34c0cddf6c55f9234ec1437f793eba74448543d57df9da2b4044e85635fae8f

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
\Users\Admin\AppData\Local\Temp\HD_9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe

Filesize
128KB

MD5
9acb56cf4ad684e812d94d0ddc912857

SHA1
7b1caf8024458d5f6c120c3edf1369bf24fbfb36

SHA256
887aa44725a69296225d1feeff14a169f10e61fd5ad318a86dc6582a5d55edfb

SHA512
915bff42241851f9acc4c1c37630eefa0a1d65381a9d966913d535159444a60330d97cefc5d82251a9eb3ff2e842dcf201194d612fbeaad28c3c04f96dbbfcf0

Download Submit
memory/2308-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-74-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads