gh0strat | ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506

General

Target

ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exe
Size

1.3MB
MD5

18cfb21212f6a3356d5685fdf2c43da8
SHA1

ee69992996a79696f845370b0293fc11f9990c81
SHA256

ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506
SHA512

1042b8a3a42126f991d66de20175500d651e3b16922cdbcd7fc27af48225730ddec48d103f9097206690ae5fdc94342253ff30199eb7161699f84b41352dc9be
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNY: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/636-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/2756-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4572-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/636-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/2756-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4572-17-0x0000000010000000-0x000000001019F000-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

2756 sainbox.exe
4572 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
2756	sainbox.exe
4572	sainbox.exe

Drops file in System32 directory 2 IoCs

Processes:

ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exe

description	ioc	process
File created	C:\Windows\SysWOW64\sainbox.exe	ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.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\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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	sainbox.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1380 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

sainbox.exe

pid process

4572 sainbox.exe

pid	process
1380	PING.EXE

pid	process
4572	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exesainbox.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	636	ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exe
Token: SeLoadDriverPrivilege	4572	sainbox.exe
Token: 33	4572	sainbox.exe
Token: SeIncBasePriorityPrivilege	4572	sainbox.exe
Token: 33	4572	sainbox.exe
Token: SeIncBasePriorityPrivilege	4572	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exesainbox.execmd.exe

description	pid	process	target process
PID 636 wrote to memory of 2336	636	ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exe	cmd.exe
PID 636 wrote to memory of 2336	636	ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exe	cmd.exe
PID 636 wrote to memory of 2336	636	ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exe	cmd.exe
PID 2756 wrote to memory of 4572	2756	sainbox.exe	sainbox.exe
PID 2756 wrote to memory of 4572	2756	sainbox.exe	sainbox.exe
PID 2756 wrote to memory of 4572	2756	sainbox.exe	sainbox.exe
PID 2336 wrote to memory of 1380	2336	cmd.exe	PING.EXE
PID 2336 wrote to memory of 1380	2336	cmd.exe	PING.EXE
PID 2336 wrote to memory of 1380	2336	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exe
"C:\Users\Admin\AppData\Local\Temp\ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636

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\BA699E~1.EXE > nul
2⤵
- Suspicious use of WriteProcessMemory
PID:2336

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
3⤵
- Runs ping.exe
PID:1380

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2756

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:4572

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=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:2108

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Windows\SysWOW64\sainbox.exe
Filesize
1.3MB

MD5
18cfb21212f6a3356d5685fdf2c43da8

SHA1
ee69992996a79696f845370b0293fc11f9990c81

SHA256
ba699e77a856fe703bfdbccf0e354bc83620d70b230b9faf4476dad13615d506

SHA512
1042b8a3a42126f991d66de20175500d651e3b16922cdbcd7fc27af48225730ddec48d103f9097206690ae5fdc94342253ff30199eb7161699f84b41352dc9be

Download Submit
memory/636-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2756-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4572-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads