purplefox | fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980

Reason

Machine shutdown

General

Target

fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe
Size

4.3MB
MD5

fdfb91eb11a2ce0f0ab3cd5afd063ab8
SHA1

bbde70e7ffe152db9b30eced983914f809aa039e
SHA256

fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980
SHA512

6843d0aac2e128181abaa1609ee44d0150c9fede49483b7104e8149271ca7c6d8b62b2fb0146d07210f1c68df862aa9438f1dc7490de421e85973a8c4f0d5a45
SSDEEP

49152:HR6OVgFh11rmo6mxQXiDGTMD1TRLjXpWMiI/57aa1u+ENFAoWo2Dqbf:xBgFhf7BxQXGB3XpWHIh1U+EKo2Dqb

Score

10^/10

purplefox discovery persistence rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 6 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2776-63-0x0000000010000000-0x00000000101B0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2032-72-0x0000000010000000-0x00000000101B0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2032-81-0x0000000000400000-0x0000000000591000-memory.dmp	purplefox_rootkit
behavioral2/memory/2776-79-0x0000000000400000-0x0000000000591000-memory.dmp	purplefox_rootkit
behavioral2/memory/3708-101-0x0000000000400000-0x0000000000591000-memory.dmp	purplefox_rootkit
behavioral2/memory/5744-159-0x0000000000400000-0x0000000000591000-memory.dmp	purplefox_rootkit

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

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	conhost.exe

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"	conhost.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe.lnk	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe

Executes dropped EXE 3 IoCs

pid	Process
2776	conhost.exe
2032	conhost.exe
3708	conhost.exe

Loads dropped DLL 1 IoCs

pid	Process
1000	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe

UPX packed file 33 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1000-4-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-5-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-9-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-14-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-48-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-49-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-43-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-41-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-40-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-37-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-50-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-33-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-32-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-29-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-25-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-23-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-21-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-17-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-15-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-11-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-46-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2776-62-0x0000000000400000-0x0000000000591000-memory.dmp	upx
behavioral2/files/0x001900000002b127-61.dat	upx
behavioral2/memory/1000-44-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-35-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-7-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-19-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/1000-6-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3708-83-0x0000000000400000-0x0000000000591000-memory.dmp	upx
behavioral2/memory/2032-81-0x0000000000400000-0x0000000000591000-memory.dmp	upx
behavioral2/memory/2776-79-0x0000000000400000-0x0000000000591000-memory.dmp	upx
behavioral2/memory/3708-101-0x0000000000400000-0x0000000000591000-memory.dmp	upx
behavioral2/memory/5744-159-0x0000000000400000-0x0000000000591000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\conhost.exe	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe
File opened for modification	C:\Windows\conhost.exe	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe
File opened for modification	C:\Windows\conhost.exe	conhost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	conhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	conhost.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	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	conhost.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

pid	Process
5508	cmd.exe
5996	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5996	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1000	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe
1000	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3708	conhost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2776	conhost.exe
Token: SeLoadDriverPrivilege	3708	conhost.exe
Token: 33	3708	conhost.exe
Token: SeIncBasePriorityPrivilege	3708	conhost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1000	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe
1000	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe
1000	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 2776	1000	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe	78
PID 1000 wrote to memory of 2776	1000	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe	78
PID 1000 wrote to memory of 2776	1000	fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe	78
PID 2776 wrote to memory of 5508	2776	conhost.exe	80
PID 2776 wrote to memory of 5508	2776	conhost.exe	80
PID 2776 wrote to memory of 5508	2776	conhost.exe	80
PID 2032 wrote to memory of 3708	2032	conhost.exe	81
PID 2032 wrote to memory of 3708	2032	conhost.exe	81
PID 2032 wrote to memory of 3708	2032	conhost.exe	81
PID 5508 wrote to memory of 5996	5508	cmd.exe	83
PID 5508 wrote to memory of 5996	5508	cmd.exe	83
PID 5508 wrote to memory of 5996	5508	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe
"C:\Users\Admin\AppData\Local\Temp\fd59a08037ec33788d8925ab2f272af39c4f2c0cb7bbd9960ab51fc8f3ade980.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Windows\conhost.exe
  C:\Windows\conhost.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Windows\conhost.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:5508
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:5996

C:\Windows\conhost.exe
C:\Windows\conhost.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\conhost.exe
  C:\Windows\conhost.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:3708

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a1f055 /state1:0x41c64e6d
1⤵
PID:5200

C:\Windows\conhost.exe
C:\Windows\conhost.exe -auto
1⤵
PID:5744

Network

MITRE ATT&CK Enterprise v16

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 Information Discovery

1

T1082

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:\Users\Admin\AppData\Local\Temp\data\setsoft.ini

Filesize
501B

MD5
70826b4f267658bbe48fc85077ee4309

SHA1
2384609646d64ca6dfde419da80db619eb69700f

SHA256
3f5eaab4cadabace51c5493b555ac64652cd2f09eebdf2dd01b02bfcc0bde5ee

SHA512
67a56cb7766122355b66964fa840732fcbffdc7ad87cb2b9fc9554f6041737a0b22d12e195a44346a0b705151e4cabfe1e9293650fcf2112e213f8c3b7a513b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\dzHPSocket4C.dll

Filesize
2.8MB

MD5
9134ef6a44e4a9cb311e1139e4590812

SHA1
7ae8250a4afd225dbc8420183116e8af1cf15cfe

SHA256
30000de63dd389b0aef61d01cdae2ed38f4bc0e03ca04e585780ca7b55b47662

SHA512
77fa1b7ff4dd4d96041b5b0f6df62b4cea39820163d12921af5fff5a959f26078441e6fd5652f7d4b72565a5fe4e217e869efd724d910d531d24637c5cb74ed8

Download Submit
C:\Windows\conhost.exe

Filesize
652KB

MD5
4f883e7d4d89a581845bc451d7f7a90c

SHA1
15dd39b9401b946330288a147437af3d9722bdf1

SHA256
7c36b489a2fe329398415fd58a73c3b61f8127d4a4ebb002a64d604cfe2d7387

SHA512
56e54e4e03f783fddad2b61ace38f7adfec5bcc0f591aeb9004c82eb674daaafc584037f057123789bafbfedc914d01a7d92af685b2239b232668a3ef2e1f61f

Download Submit
memory/1000-17-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-11-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-49-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-43-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-41-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-40-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-37-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-50-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-33-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-32-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-46-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-25-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-23-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-14-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-21-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-4-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-48-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-15-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-29-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-5-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-9-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-6-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-44-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-35-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-7-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1000-19-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2032-72-0x0000000010000000-0x00000000101B0000-memory.dmp

Filesize
1.7MB

Download
memory/2032-81-0x0000000000400000-0x0000000000591000-memory.dmp

Filesize
1.6MB

Download
memory/2776-63-0x0000000010000000-0x00000000101B0000-memory.dmp

Filesize
1.7MB

Download
memory/2776-79-0x0000000000400000-0x0000000000591000-memory.dmp

Filesize
1.6MB

Download
memory/2776-62-0x0000000000400000-0x0000000000591000-memory.dmp

Filesize
1.6MB

Download
memory/3708-83-0x0000000000400000-0x0000000000591000-memory.dmp

Filesize
1.6MB

Download
memory/3708-101-0x0000000000400000-0x0000000000591000-memory.dmp

Filesize
1.6MB

Download
memory/5744-159-0x0000000000400000-0x0000000000591000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads