gh0strat | 80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886

General

Target

80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.exe
Size

1.3MB
MD5

5c31e4d543e6d1bb4a37997d7e99c35a
SHA1

1cd0d9c110271f329fde0aa95f6226919abaecd1
SHA256

80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886
SHA512

66a3a2273fe3f4f99c0cf34dfb7b8a42d5e305557745a3760327400074e92714b9b454601902244bff7cb4b92649c7a240051256a5be651fe2e11376208b2ed4
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNx:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2316-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2104-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2316-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2104-18-0x0000000010000000-0x000000001019F000-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

Deletes itself 1 IoCs

pid	Process
1716	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1736	sainbox.exe
2104	sainbox.exe

Loads dropped DLL 1 IoCs

pid	Process
1736	sainbox.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	sainbox.exe
File opened (read-only)	\??\H:	sainbox.exe
File opened (read-only)	\??\K:	sainbox.exe
File opened (read-only)	\??\L:	sainbox.exe
File opened (read-only)	\??\M:	sainbox.exe
File opened (read-only)	\??\P:	sainbox.exe
File opened (read-only)	\??\T:	sainbox.exe
File opened (read-only)	\??\U:	sainbox.exe
File opened (read-only)	\??\B:	sainbox.exe
File opened (read-only)	\??\I:	sainbox.exe
File opened (read-only)	\??\J:	sainbox.exe
File opened (read-only)	\??\O:	sainbox.exe
File opened (read-only)	\??\G:	sainbox.exe
File opened (read-only)	\??\N:	sainbox.exe
File opened (read-only)	\??\S:	sainbox.exe
File opened (read-only)	\??\W:	sainbox.exe
File opened (read-only)	\??\Y:	sainbox.exe
File opened (read-only)	\??\Z:	sainbox.exe
File opened (read-only)	\??\Q:	sainbox.exe
File opened (read-only)	\??\R:	sainbox.exe
File opened (read-only)	\??\V:	sainbox.exe
File opened (read-only)	\??\X:	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.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	80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.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
1716	cmd.exe
1184	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	sainbox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	sainbox.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	sainbox.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	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
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	sainbox.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	sainbox.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	sainbox.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	sainbox.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1184	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe
2104	sainbox.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2104	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2316	80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.exe
Token: SeLoadDriverPrivilege	2104	sainbox.exe
Token: 33	2104	sainbox.exe
Token: SeIncBasePriorityPrivilege	2104	sainbox.exe
Token: 33	2104	sainbox.exe
Token: SeIncBasePriorityPrivilege	2104	sainbox.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 1716	2316	80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.exe	31
PID 2316 wrote to memory of 1716	2316	80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.exe	31
PID 2316 wrote to memory of 1716	2316	80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.exe	31
PID 2316 wrote to memory of 1716	2316	80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.exe	31
PID 1736 wrote to memory of 2104	1736	sainbox.exe	32
PID 1736 wrote to memory of 2104	1736	sainbox.exe	32
PID 1736 wrote to memory of 2104	1736	sainbox.exe	32
PID 1736 wrote to memory of 2104	1736	sainbox.exe	32
PID 1716 wrote to memory of 1184	1716	cmd.exe	34
PID 1716 wrote to memory of 1184	1716	cmd.exe	34
PID 1716 wrote to memory of 1184	1716	cmd.exe	34
PID 1716 wrote to memory of 1184	1716	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.exe
"C:\Users\Admin\AppData\Local\Temp\80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2316
- 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\80CF86~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1716
- - 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:1184

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736
- 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
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2104

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

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

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

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Downloads

C:\Windows\SysWOW64\sainbox.exe

Filesize
1.3MB

MD5
5c31e4d543e6d1bb4a37997d7e99c35a

SHA1
1cd0d9c110271f329fde0aa95f6226919abaecd1

SHA256
80cf86b3b2576e0db0de7ef6fc347be362ffc520ab34743c0a9b9741190ba886

SHA512
66a3a2273fe3f4f99c0cf34dfb7b8a42d5e305557745a3760327400074e92714b9b454601902244bff7cb4b92649c7a240051256a5be651fe2e11376208b2ed4

Download Submit
memory/2104-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2316-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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