gh0strat | e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee

General

Target

e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exe
Size

11.3MB
MD5

26ef3ab737b2c1ba492ccdb6860167c5
SHA1

c8c6bdd17ffebfceceeedb018e36f053a00ddeef
SHA256

e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee
SHA512

51f50842227e54eb7e5b3c6ba8581f15b4c1975186cb0a329f637abe5570a47b1158d8f3c8077f92801108179832a57e1dc3cb7a8d6114099d7540abb8da0452
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNsI:QHPkVOBTKz

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3520-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3656-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/512-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3520-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3656-11-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/512-18-0x0000000010000000-0x000000001019F000-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

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

3656 sainbox.exe
512 sainbox.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	sainbox.exe

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

pid	process
3656	sainbox.exe
512	sainbox.exe

Drops file in System32 directory 2 IoCs

Processes:

e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exe

description	ioc	process
File created	C:\Windows\SysWOW64\sainbox.exe	e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.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

2532 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

sainbox.exe

pid process

512 sainbox.exe

pid	process
2532	PING.EXE

pid	process
512	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exesainbox.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3520	e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exe
Token: SeLoadDriverPrivilege	512	sainbox.exe
Token: 33	512	sainbox.exe
Token: SeIncBasePriorityPrivilege	512	sainbox.exe
Token: 33	512	sainbox.exe
Token: SeIncBasePriorityPrivilege	512	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exesainbox.execmd.exe

description	pid	process	target process
PID 3520 wrote to memory of 4740	3520	e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exe	cmd.exe
PID 3520 wrote to memory of 4740	3520	e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exe	cmd.exe
PID 3520 wrote to memory of 4740	3520	e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exe	cmd.exe
PID 3656 wrote to memory of 512	3656	sainbox.exe	sainbox.exe
PID 3656 wrote to memory of 512	3656	sainbox.exe	sainbox.exe
PID 3656 wrote to memory of 512	3656	sainbox.exe	sainbox.exe
PID 4740 wrote to memory of 2532	4740	cmd.exe	PING.EXE
PID 4740 wrote to memory of 2532	4740	cmd.exe	PING.EXE
PID 4740 wrote to memory of 2532	4740	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exe
"C:\Users\Admin\AppData\Local\Temp\e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3520
- 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\E7E96C~1.EXE > nul
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4740
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2532

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3656
- 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:512

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
11.3MB

MD5
26ef3ab737b2c1ba492ccdb6860167c5

SHA1
c8c6bdd17ffebfceceeedb018e36f053a00ddeef

SHA256
e7e96cda8a476844be3a605f7b616cf98ca3f41b7f607a2a7b98da5d403014ee

SHA512
51f50842227e54eb7e5b3c6ba8581f15b4c1975186cb0a329f637abe5570a47b1158d8f3c8077f92801108179832a57e1dc3cb7a8d6114099d7540abb8da0452

Download Submit
memory/512-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3520-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3656-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads