gh0strat | a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa

General

Target

NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe
Size

1.3MB
MD5

a576d36617fc88ca550823fb3ec48aa7
SHA1

037a62e13103fc56a1f39b5e904ef23c462f06ab
SHA256

a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa
SHA512

5eab68f779302a02f67cd75ed4e142fe72c9add60f9a305da90ffdcd0c75aaec649fd1a5307befdbdbd952a40b8caae67a0baa910838fda4c710b652d0caac88
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNY:QHPkVOBTK

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/1900-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4352-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/1900-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4352-10-0x0000000010000000-0x000000001019F000-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
4352	sainbox.exe
2528	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.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\Content\CachePrefix	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	sainbox.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3120	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2528	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1900	NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe
Token: SeLoadDriverPrivilege	2528	sainbox.exe
Token: 33	2528	sainbox.exe
Token: SeIncBasePriorityPrivilege	2528	sainbox.exe
Token: 33	2528	sainbox.exe
Token: SeIncBasePriorityPrivilege	2528	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 896	1900	NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe	87
PID 1900 wrote to memory of 896	1900	NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe	87
PID 1900 wrote to memory of 896	1900	NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe	87
PID 4352 wrote to memory of 2528	4352	sainbox.exe	88
PID 4352 wrote to memory of 2528	4352	sainbox.exe	88
PID 4352 wrote to memory of 2528	4352	sainbox.exe	88
PID 896 wrote to memory of 3120	896	cmd.exe	91
PID 896 wrote to memory of 3120	896	cmd.exe	91
PID 896 wrote to memory of 3120	896	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- 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\NEASA0~1.EXE > nul
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:896
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:3120

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4352
- 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:2528

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
1.3MB

MD5
a576d36617fc88ca550823fb3ec48aa7

SHA1
037a62e13103fc56a1f39b5e904ef23c462f06ab

SHA256
a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa

SHA512
5eab68f779302a02f67cd75ed4e142fe72c9add60f9a305da90ffdcd0c75aaec649fd1a5307befdbdbd952a40b8caae67a0baa910838fda4c710b652d0caac88

Download Submit
C:\Windows\SysWOW64\sainbox.exe

Filesize
1.3MB

MD5
a576d36617fc88ca550823fb3ec48aa7

SHA1
037a62e13103fc56a1f39b5e904ef23c462f06ab

SHA256
a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa

SHA512
5eab68f779302a02f67cd75ed4e142fe72c9add60f9a305da90ffdcd0c75aaec649fd1a5307befdbdbd952a40b8caae67a0baa910838fda4c710b652d0caac88

Download Submit
C:\Windows\SysWOW64\sainbox.exe

Filesize
1.3MB

MD5
a576d36617fc88ca550823fb3ec48aa7

SHA1
037a62e13103fc56a1f39b5e904ef23c462f06ab

SHA256
a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa

SHA512
5eab68f779302a02f67cd75ed4e142fe72c9add60f9a305da90ffdcd0c75aaec649fd1a5307befdbdbd952a40b8caae67a0baa910838fda4c710b652d0caac88

Download Submit
memory/1900-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4352-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads