gh0strat | ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb

General

Target

ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb.exe
Size

3.5MB
MD5

4972e410b438253f1cf2712789b456ed
SHA1

78823929302ae341b551f583d7493e9c25a14f29
SHA256

ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb
SHA512

e08013dfe5fc9303914922c12de4cda9e90b6995bd96210ad95a75a1c625364f2c9a34bbe4c0d6e37450ec90dbbed762ea2e92cc824169d3c7a3e862b5f52d94
SSDEEP

24576:VOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNHzP:IHPkVOBTKb

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3560-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4208-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/1368-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3560-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4208-11-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/1368-18-0x0000000010000000-0x000000001019F000-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	sainbox.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"	sainbox.exe

Executes dropped EXE 2 IoCs

pid	Process
4208	sainbox.exe
1368	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	sainbox.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1376	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1368	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3560	ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb.exe
Token: SeLoadDriverPrivilege	1368	sainbox.exe
Token: 33	1368	sainbox.exe
Token: SeIncBasePriorityPrivilege	1368	sainbox.exe
Token: 33	1368	sainbox.exe
Token: SeIncBasePriorityPrivilege	1368	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3560 wrote to memory of 1640	3560	ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb.exe	84
PID 3560 wrote to memory of 1640	3560	ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb.exe	84
PID 3560 wrote to memory of 1640	3560	ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb.exe	84
PID 4208 wrote to memory of 1368	4208	sainbox.exe	85
PID 4208 wrote to memory of 1368	4208	sainbox.exe	85
PID 4208 wrote to memory of 1368	4208	sainbox.exe	85
PID 1640 wrote to memory of 1376	1640	cmd.exe	87
PID 1640 wrote to memory of 1376	1640	cmd.exe	87
PID 1640 wrote to memory of 1376	1640	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb.exe
"C:\Users\Admin\AppData\Local\Temp\ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3560
- 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\FF104A~1.EXE > nul
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1376

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4208
- C:\Windows\SysWOW64\sainbox.exe
  C:\Windows\SysWOW64\sainbox.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Modifies data under HKEY_USERS
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:1368

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\sainbox.exe

Filesize
3.5MB

MD5
4972e410b438253f1cf2712789b456ed

SHA1
78823929302ae341b551f583d7493e9c25a14f29

SHA256
ff104af9ac96af3d9472c02495b55a4a623e32cadb1486b004bb7fd65c093feb

SHA512
e08013dfe5fc9303914922c12de4cda9e90b6995bd96210ad95a75a1c625364f2c9a34bbe4c0d6e37450ec90dbbed762ea2e92cc824169d3c7a3e862b5f52d94

Download Submit
memory/1368-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3560-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4208-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads