gh0strat | cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244

General

Target

cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe
Size

6.3MB
MD5

5faee14c701f0626673b356c227c0fc2
SHA1

176ad9ea383d9d911fad5a8124292dbb0a6a3bd6
SHA256

cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244
SHA512

f92566216b8d547fdc9396e411748482929bd86bd1b0da289639ffbaed7b71cc956860d89913d5dee452cf6d167d661f19d78e2c04bc7f4df9a62e84667afba4
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNvI:QHPkVOBTKw

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/1692-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3776-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/1692-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3776-11-0x0000000010000000-0x000000001019F000-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

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	sainbox.kx

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 2 IoCs

pid	Process
3776	sainbox.kx
1392	sainbox.kx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.kx	cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.kx	cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	sainbox.kx
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	sainbox.kx
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	sainbox.kx

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4756	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1392	sainbox.kx

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1692	cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe
Token: SeLoadDriverPrivilege	1392	sainbox.kx
Token: 33	1392	sainbox.kx
Token: SeIncBasePriorityPrivilege	1392	sainbox.kx
Token: 33	1392	sainbox.kx
Token: SeIncBasePriorityPrivilege	1392	sainbox.kx

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 4072	1692	cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe	93
PID 1692 wrote to memory of 4072	1692	cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe	93
PID 1692 wrote to memory of 4072	1692	cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe	93
PID 4072 wrote to memory of 4756	4072	cmd.exe	95
PID 4072 wrote to memory of 4756	4072	cmd.exe	95
PID 4072 wrote to memory of 4756	4072	cmd.exe	95
PID 3776 wrote to memory of 1392	3776	sainbox.kx	96
PID 3776 wrote to memory of 1392	3776	sainbox.kx	96
PID 3776 wrote to memory of 1392	3776	sainbox.kx	96

C:\Users\Admin\AppData\Local\Temp\cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe
"C:\Users\Admin\AppData\Local\Temp\cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692
- 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\CDF8FA~1.EXE > nul
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4072
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:4756

C:\Windows\SysWOW64\sainbox.kx
C:\Windows\SysWOW64\sainbox.kx -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3776
- C:\Windows\SysWOW64\sainbox.kx
  C:\Windows\SysWOW64\sainbox.kx -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:1392

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.kx

Filesize
6.3MB

MD5
5faee14c701f0626673b356c227c0fc2

SHA1
176ad9ea383d9d911fad5a8124292dbb0a6a3bd6

SHA256
cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244

SHA512
f92566216b8d547fdc9396e411748482929bd86bd1b0da289639ffbaed7b71cc956860d89913d5dee452cf6d167d661f19d78e2c04bc7f4df9a62e84667afba4

Download Submit
C:\Windows\SysWOW64\sainbox.kx

Filesize
6.3MB

MD5
5faee14c701f0626673b356c227c0fc2

SHA1
176ad9ea383d9d911fad5a8124292dbb0a6a3bd6

SHA256
cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244

SHA512
f92566216b8d547fdc9396e411748482929bd86bd1b0da289639ffbaed7b71cc956860d89913d5dee452cf6d167d661f19d78e2c04bc7f4df9a62e84667afba4

Download Submit
C:\Windows\SysWOW64\sainbox.kx

Filesize
6.3MB

MD5
5faee14c701f0626673b356c227c0fc2

SHA1
176ad9ea383d9d911fad5a8124292dbb0a6a3bd6

SHA256
cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244

SHA512
f92566216b8d547fdc9396e411748482929bd86bd1b0da289639ffbaed7b71cc956860d89913d5dee452cf6d167d661f19d78e2c04bc7f4df9a62e84667afba4

Download Submit
memory/1692-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3776-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads