Analysis
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max time kernel
121s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-12-2024 13:54
Static task
static1
Behavioral task
behavioral1
Sample
0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe
Resource
win7-20240903-en
General
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Target
0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe
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Size
1.4MB
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MD5
ae6a1280743efe069b752257c809c248
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SHA1
569f58679426b54952f2fa5e8c17565942d08ba1
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SHA256
0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3
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SHA512
14b6676f53e537742685bede083aa2b7910a7f6a46b0597b88ca03ec18d9a3e7561cfbe608dd9230a54da125e9af4e6f3f91e4785bcec1e80698913f0204afcb
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SSDEEP
24576:n39WkOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:39qHPkVOBTK
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2376-1-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral1/memory/2896-21-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2376-1-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral1/memory/2896-21-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys Mnfvn.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" Mnfvn.exe -
Deletes itself 1 IoCs
pid Process 2956 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 3028 Mnfvn.exe 2896 Mnfvn.exe -
Loads dropped DLL 1 IoCs
pid Process 3028 Mnfvn.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\T: Mnfvn.exe File opened (read-only) \??\W: Mnfvn.exe File opened (read-only) \??\I: Mnfvn.exe File opened (read-only) \??\L: Mnfvn.exe File opened (read-only) \??\O: Mnfvn.exe File opened (read-only) \??\Q: Mnfvn.exe File opened (read-only) \??\R: Mnfvn.exe File opened (read-only) \??\S: Mnfvn.exe File opened (read-only) \??\U: Mnfvn.exe File opened (read-only) \??\X: Mnfvn.exe File opened (read-only) \??\G: Mnfvn.exe File opened (read-only) \??\H: Mnfvn.exe File opened (read-only) \??\J: Mnfvn.exe File opened (read-only) \??\K: Mnfvn.exe File opened (read-only) \??\Y: Mnfvn.exe File opened (read-only) \??\N: Mnfvn.exe File opened (read-only) \??\P: Mnfvn.exe File opened (read-only) \??\V: Mnfvn.exe File opened (read-only) \??\Z: Mnfvn.exe File opened (read-only) \??\B: Mnfvn.exe File opened (read-only) \??\E: Mnfvn.exe File opened (read-only) \??\M: Mnfvn.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\Mnfvn.exe 0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe File opened for modification C:\Windows\SysWOW64\Mnfvn.exe 0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Mnfvn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Mnfvn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2740 PING.EXE 2956 cmd.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Mnfvn.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Mnfvn.exe -
Modifies data under HKEY_USERS 12 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie Mnfvn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections Mnfvn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Mnfvn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings Mnfvn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" Mnfvn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum Mnfvn.exe Key created \REGISTRY\USER\.DEFAULT\Software Mnfvn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft Mnfvn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum Mnfvn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" Mnfvn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings Mnfvn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Mnfvn.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2740 PING.EXE -
Suspicious behavior: EnumeratesProcesses 33 IoCs
pid Process 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe 2896 Mnfvn.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2896 Mnfvn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2376 0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe Token: SeLoadDriverPrivilege 2896 Mnfvn.exe Token: 33 2896 Mnfvn.exe Token: SeIncBasePriorityPrivilege 2896 Mnfvn.exe Token: 33 2896 Mnfvn.exe Token: SeIncBasePriorityPrivilege 2896 Mnfvn.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2376 wrote to memory of 2956 2376 0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe 32 PID 2376 wrote to memory of 2956 2376 0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe 32 PID 2376 wrote to memory of 2956 2376 0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe 32 PID 2376 wrote to memory of 2956 2376 0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe 32 PID 3028 wrote to memory of 2896 3028 Mnfvn.exe 33 PID 3028 wrote to memory of 2896 3028 Mnfvn.exe 33 PID 3028 wrote to memory of 2896 3028 Mnfvn.exe 33 PID 3028 wrote to memory of 2896 3028 Mnfvn.exe 33 PID 2956 wrote to memory of 2740 2956 cmd.exe 35 PID 2956 wrote to memory of 2740 2956 cmd.exe 35 PID 2956 wrote to memory of 2740 2956 cmd.exe 35 PID 2956 wrote to memory of 2740 2956 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe"C:\Users\Admin\AppData\Local\Temp\0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\0FCD66~1.EXE > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2740
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C:\Windows\SysWOW64\Mnfvn.exeC:\Windows\SysWOW64\Mnfvn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028 -
C:\Windows\SysWOW64\Mnfvn.exeC:\Windows\SysWOW64\Mnfvn.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2896
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
1.4MB
MD5ae6a1280743efe069b752257c809c248
SHA1569f58679426b54952f2fa5e8c17565942d08ba1
SHA2560fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3
SHA51214b6676f53e537742685bede083aa2b7910a7f6a46b0597b88ca03ec18d9a3e7561cfbe608dd9230a54da125e9af4e6f3f91e4785bcec1e80698913f0204afcb