gh0strat | 238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4

General

Target

238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exe
Size

2.3MB
MD5

193d1b3b29a75a6dc01b96139d5a3e3c
SHA1

f739e42e7836409388be092289a83c101ccad039
SHA256

238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4
SHA512

ac9c9c3b8389878908b601fd9c19c3e829a31e056b6309a1165d53d9a1a7c59e1773b41e1f56b37eff242e6159a6a85948aeee651bb8962d946e756bce33a7c9
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNM:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/2884-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4372-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2884-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4372-10-0x0000000010000000-0x000000001019F000-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
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:

sainbox.exe

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

Processes:

sainbox.exe

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

Executes dropped EXE 2 IoCs

Processes:

sainbox.exesainbox.exe

pid	Process
4372	sainbox.exe
448	sainbox.exe

Drops file in System32 directory 2 IoCs

Processes:

238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.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

Processes:

238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exesainbox.exesainbox.execmd.exePING.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.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	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

Processes:

cmd.exePING.EXE

pid	Process
3544	cmd.exe
4488	PING.EXE

Modifies data under HKEY_USERS 3 IoCs

Processes:

sainbox.exe

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

Processes:

PING.EXE

pid	Process
4488	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

sainbox.exe

pid	Process
448	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exesainbox.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2884	238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exe
Token: SeLoadDriverPrivilege	448	sainbox.exe
Token: 33	448	sainbox.exe
Token: SeIncBasePriorityPrivilege	448	sainbox.exe
Token: 33	448	sainbox.exe
Token: SeIncBasePriorityPrivilege	448	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exesainbox.execmd.exe

description	pid	Process	procid_target
PID 2884 wrote to memory of 3544	2884	238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exe	87
PID 2884 wrote to memory of 3544	2884	238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exe	87
PID 2884 wrote to memory of 3544	2884	238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exe	87
PID 4372 wrote to memory of 448	4372	sainbox.exe	88
PID 4372 wrote to memory of 448	4372	sainbox.exe	88
PID 4372 wrote to memory of 448	4372	sainbox.exe	88
PID 3544 wrote to memory of 4488	3544	cmd.exe	90
PID 3544 wrote to memory of 4488	3544	cmd.exe	90
PID 3544 wrote to memory of 4488	3544	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exe
"C:\Users\Admin\AppData\Local\Temp\238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2884
- 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\238AD2~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3544
- - 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:4488

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4372
- 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
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:448

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:\Windows\SysWOW64\sainbox.exe

Filesize
2.3MB

MD5
193d1b3b29a75a6dc01b96139d5a3e3c

SHA1
f739e42e7836409388be092289a83c101ccad039

SHA256
238ad223d637da7c85758fcb3ba4637f0bb03e418d9fe5e88316ef93216635c4

SHA512
ac9c9c3b8389878908b601fd9c19c3e829a31e056b6309a1165d53d9a1a7c59e1773b41e1f56b37eff242e6159a6a85948aeee651bb8962d946e756bce33a7c9

Download Submit
memory/2884-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4372-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads