gh0strat | f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f

General

Target

f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exe
Size

5.8MB
MD5

8d31aa1ec33ec87126a895d9b4936fe4
SHA1

30c4153e216dfa92ebdf904d98a9a12eb4eb294a
SHA256

f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f
SHA512

d6d6bc6e1d404e1c564bb5e2289b62b524058563b3779e5ea5d363cefcab1e2cde4800f69618111049258d0b746b487ec1900c73ccec55484bd64848b35c67f1
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNE:QHPkVOBTK

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/4924-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4300-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4644-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4924-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4300-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4644-17-0x0000000010000000-0x000000001019F000-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

4300 sainbox.exe
4644 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
4300	sainbox.exe
4644	sainbox.exe

Drops file in System32 directory 2 IoCs

Processes:

f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exe

description	ioc	process
File created	C:\Windows\SysWOW64\sainbox.exe	f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3472 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

sainbox.exe

pid process

4644 sainbox.exe

pid	process
3472	PING.EXE

pid	process
4644	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exesainbox.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4924	f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exe
Token: SeLoadDriverPrivilege	4644	sainbox.exe
Token: 33	4644	sainbox.exe
Token: SeIncBasePriorityPrivilege	4644	sainbox.exe
Token: 33	4644	sainbox.exe
Token: SeIncBasePriorityPrivilege	4644	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exesainbox.execmd.exe

description	pid	process	target process
PID 4924 wrote to memory of 2236	4924	f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exe	cmd.exe
PID 4924 wrote to memory of 2236	4924	f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exe	cmd.exe
PID 4924 wrote to memory of 2236	4924	f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exe	cmd.exe
PID 4300 wrote to memory of 4644	4300	sainbox.exe	sainbox.exe
PID 4300 wrote to memory of 4644	4300	sainbox.exe	sainbox.exe
PID 4300 wrote to memory of 4644	4300	sainbox.exe	sainbox.exe
PID 2236 wrote to memory of 3472	2236	cmd.exe	PING.EXE
PID 2236 wrote to memory of 3472	2236	cmd.exe	PING.EXE
PID 2236 wrote to memory of 3472	2236	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exe
"C:\Users\Admin\AppData\Local\Temp\f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4924

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\F0EF04~1.EXE > nul
2⤵
- Suspicious use of WriteProcessMemory
PID:2236

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
3⤵
- Runs ping.exe
PID:3472

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4300

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
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:4644

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4048 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:2304

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
5.8MB

MD5
8d31aa1ec33ec87126a895d9b4936fe4

SHA1
30c4153e216dfa92ebdf904d98a9a12eb4eb294a

SHA256
f0ef04ce4f5ce9e3b43b5603ff952df579da2419724ca384138e1f4c4d16db9f

SHA512
d6d6bc6e1d404e1c564bb5e2289b62b524058563b3779e5ea5d363cefcab1e2cde4800f69618111049258d0b746b487ec1900c73ccec55484bd64848b35c67f1

Download Submit
memory/4300-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4644-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4924-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads