gh0strat | 68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703

General

Target

68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.exe
Size

539KB
MD5

789f24e201eab3815a6ada22a29b42ed
SHA1

ee4bb524aa832f9cde145c25d0b4a3ccb3422506
SHA256

68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703
SHA512

4363429724421d0f3855915d96737c40d701e85094020fe8921f5bb2171fb60482499d7c1250fa6c83afda223cc6e253b70a7ec128fb0fe4959c2f95521a7ce4
SSDEEP

12288:ThymnwJFPNdgBAEHApqePJN1AmLM7uVq9sSzuK:TUmwrl2Ao7sJNlM7ymsSzz

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2604-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-21-0x0000000000400000-0x0000000000547000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-20-0x0000000000400000-0x0000000000547000-memory.dmp	purplefox_rootkit
behavioral1/memory/2576-23-0x0000000000400000-0x0000000000547000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-39-0x0000000000400000-0x0000000000547000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2604-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2428-21-0x0000000000400000-0x0000000000547000-memory.dmp	family_gh0strat
behavioral1/memory/2604-20-0x0000000000400000-0x0000000000547000-memory.dmp	family_gh0strat
behavioral1/memory/2576-23-0x0000000000400000-0x0000000000547000-memory.dmp	family_gh0strat
behavioral1/memory/2428-39-0x0000000000400000-0x0000000000547000-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	Gwogw.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"	Gwogw.exe

Deletes itself 1 IoCs

pid	Process
2548	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2576	Gwogw.exe
2428	Gwogw.exe

Loads dropped DLL 1 IoCs

pid	Process
2576	Gwogw.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2604-0-0x0000000000400000-0x0000000000547000-memory.dmp	upx
behavioral1/files/0x000800000001870f-9.dat	upx
behavioral1/memory/2428-21-0x0000000000400000-0x0000000000547000-memory.dmp	upx
behavioral1/memory/2604-20-0x0000000000400000-0x0000000000547000-memory.dmp	upx
behavioral1/memory/2576-23-0x0000000000400000-0x0000000000547000-memory.dmp	upx
behavioral1/memory/2428-39-0x0000000000400000-0x0000000000547000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AppPatch\Gwogw.exe	68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.exe
File opened for modification	C:\Program Files (x86)\AppPatch\Gwogw.exe	68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.exe

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	Gwogw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gwogw.exe
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	68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.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
2548	cmd.exe
2664	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2664	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2428	Gwogw.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2604	68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.exe
Token: SeLoadDriverPrivilege	2428	Gwogw.exe
Token: 33	2428	Gwogw.exe
Token: SeIncBasePriorityPrivilege	2428	Gwogw.exe
Token: 33	2428	Gwogw.exe
Token: SeIncBasePriorityPrivilege	2428	Gwogw.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2548	2604	68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.exe	31
PID 2604 wrote to memory of 2548	2604	68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.exe	31
PID 2604 wrote to memory of 2548	2604	68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.exe	31
PID 2604 wrote to memory of 2548	2604	68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.exe	31
PID 2576 wrote to memory of 2428	2576	Gwogw.exe	32
PID 2576 wrote to memory of 2428	2576	Gwogw.exe	32
PID 2576 wrote to memory of 2428	2576	Gwogw.exe	32
PID 2576 wrote to memory of 2428	2576	Gwogw.exe	32
PID 2548 wrote to memory of 2664	2548	cmd.exe	34
PID 2548 wrote to memory of 2664	2548	cmd.exe	34
PID 2548 wrote to memory of 2664	2548	cmd.exe	34
PID 2548 wrote to memory of 2664	2548	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.exe
"C:\Users\Admin\AppData\Local\Temp\68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604
- 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\68FFF2~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2664

C:\Program Files (x86)\AppPatch\Gwogw.exe
"C:\Program Files (x86)\AppPatch\Gwogw.exe" -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Program Files (x86)\AppPatch\Gwogw.exe
  "C:\Program Files (x86)\AppPatch\Gwogw.exe" -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2428

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\AppPatch\Gwogw.exe

Filesize
539KB

MD5
789f24e201eab3815a6ada22a29b42ed

SHA1
ee4bb524aa832f9cde145c25d0b4a3ccb3422506

SHA256
68fff2016e57f457b0b60b79c6da196e8f30636624b64c7cf73fc31d205b1703

SHA512
4363429724421d0f3855915d96737c40d701e85094020fe8921f5bb2171fb60482499d7c1250fa6c83afda223cc6e253b70a7ec128fb0fe4959c2f95521a7ce4

Download Submit
memory/2428-21-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/2428-39-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/2576-23-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/2604-0-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/2604-1-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2604-20-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads