gh0strat | 92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4

General

Target

92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exe
Size

704KB
MD5

7f9963fc8594f7ce175b43a8b5085c51
SHA1

916db8da2719c520f58f416b6d39ffff102efe79
SHA256

92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4
SHA512

de32bfed76326ae1a4ff7bd00cd9f6110df3df9561f4979d779c07f568e86bc9c857ae84237f153d20d87eb6a3611210eb0f1a2723b08afdfa113e644239cd87
SSDEEP

12288:xi2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8y/N+4:xi2Tro2H2HESq2eWJ6MQjySjy/A4

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4580-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4580-11-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4580-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4164-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4164-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4164-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4164-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4264-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4264-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4264-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4264-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4580-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4580-11-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4580-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4164-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4164-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4164-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4164-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4264-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4264-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4264-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4264-31-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatforn.exe

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

Processes:

TXPlatforn.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 3 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exe

pid	Process
4580	RVN.exe
4164	TXPlatforn.exe
4264	TXPlatforn.exe

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

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 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4580-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4580-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4580-11-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4580-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4164-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4164-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4164-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4164-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4164-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4264-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4264-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4264-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4264-31-0x0000000010000000-0x00000000101B6000-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

Processes:

cmd.exePING.EXETXPlatforn.exe92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exeRVN.exe

description	ioc	Process
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	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.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

Processes:

cmd.exePING.EXE

pid	Process
3272	cmd.exe
2200	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2200	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid	Process
4264	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	4580	RVN.exe
Token: SeLoadDriverPrivilege	4264	TXPlatforn.exe
Token: 33	4264	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4264	TXPlatforn.exe
Token: 33	4264	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4264	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exe

pid	Process
4300	92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exeRVN.execmd.exeTXPlatforn.exe

description	pid	Process	procid_target
PID 4300 wrote to memory of 4580	4300	92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exe	83
PID 4300 wrote to memory of 4580	4300	92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exe	83
PID 4300 wrote to memory of 4580	4300	92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exe	83
PID 4580 wrote to memory of 3272	4580	RVN.exe	85
PID 4580 wrote to memory of 3272	4580	RVN.exe	85
PID 4580 wrote to memory of 3272	4580	RVN.exe	85
PID 3272 wrote to memory of 2200	3272	cmd.exe	87
PID 3272 wrote to memory of 2200	3272	cmd.exe	87
PID 3272 wrote to memory of 2200	3272	cmd.exe	87
PID 4164 wrote to memory of 4264	4164	TXPlatforn.exe	88
PID 4164 wrote to memory of 4264	4164	TXPlatforn.exe	88
PID 4164 wrote to memory of 4264	4164	TXPlatforn.exe	88

C:\Users\Admin\AppData\Local\Temp\92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exe
"C:\Users\Admin\AppData\Local\Temp\92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4300
- 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:4580
- - 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:3272
  - - 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:2200

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4164
- 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:4264

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_X.dat

Filesize
704KB

MD5
7f9963fc8594f7ce175b43a8b5085c51

SHA1
916db8da2719c520f58f416b6d39ffff102efe79

SHA256
92ec73e13ce61c4599273887e61fe9f10fec1e8a30b0b32d0987a74f1e1508d4

SHA512
de32bfed76326ae1a4ff7bd00cd9f6110df3df9561f4979d779c07f568e86bc9c857ae84237f153d20d87eb6a3611210eb0f1a2723b08afdfa113e644239cd87

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/4164-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4164-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4164-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4164-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4164-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4264-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4264-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4264-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4264-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4580-11-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4580-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4580-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4580-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads