gh0strat | f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554

General

Target

f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exe
Size

3.3MB
MD5

4e0fcb3b774c4e5f48f446d6ca042d74
SHA1

7be621012e42b2688e9036cb3fbf49c686d8f219
SHA256

f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554
SHA512

2f99490826e1564a1eb49e5e91fff36fe7364240265501fb40f39a1222eb64715e856f1e095e47fda074c0c162254eadf341e887e2049fcd9cd32e64a499f885
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNgI:QHPkVOBTKH

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/1920-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/380-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/1760-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1920-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/380-11-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/1760-18-0x0000000010000000-0x000000001019F000-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
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
380	sainbox.exe
1760	sainbox.exe

Drops file in System32 directory 2 IoCs

Processes:

f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.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:

sainbox.execmd.exePING.EXEsainbox.exef577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exe

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.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
4024	cmd.exe
1128	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
1128	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

sainbox.exe

pid	Process
1760	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exesainbox.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	1920	f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exe
Token: SeLoadDriverPrivilege	1760	sainbox.exe
Token: 33	1760	sainbox.exe
Token: SeIncBasePriorityPrivilege	1760	sainbox.exe
Token: 33	1760	sainbox.exe
Token: SeIncBasePriorityPrivilege	1760	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exesainbox.execmd.exe

description	pid	Process	procid_target
PID 1920 wrote to memory of 4024	1920	f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exe	89
PID 1920 wrote to memory of 4024	1920	f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exe	89
PID 1920 wrote to memory of 4024	1920	f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exe	89
PID 380 wrote to memory of 1760	380	sainbox.exe	90
PID 380 wrote to memory of 1760	380	sainbox.exe	90
PID 380 wrote to memory of 1760	380	sainbox.exe	90
PID 4024 wrote to memory of 1128	4024	cmd.exe	92
PID 4024 wrote to memory of 1128	4024	cmd.exe	92
PID 4024 wrote to memory of 1128	4024	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exe
"C:\Users\Admin\AppData\Local\Temp\f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920
- 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\F577FA~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4024
- - 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:1128

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:380
- 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
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:1760

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
3.3MB

MD5
4e0fcb3b774c4e5f48f446d6ca042d74

SHA1
7be621012e42b2688e9036cb3fbf49c686d8f219

SHA256
f577fafe6061a088a8a8f34b6fd2392cfd88f33354d02479fcb8fb4e1e4c0554

SHA512
2f99490826e1564a1eb49e5e91fff36fe7364240265501fb40f39a1222eb64715e856f1e095e47fda074c0c162254eadf341e887e2049fcd9cd32e64a499f885

Download Submit
memory/380-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/1760-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/1920-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads