floxif | d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 04:12

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General

Target

d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
Size

4.7MB
MD5

d3b99efd2be70b804ab187899b8ea8a2
SHA1

5a50287619cbdb06c923a2e0e59b130c92435972
SHA256

d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd
SHA512

1be63a37e4cc331c8bfe1bd6ef5fa937205f8b7b0c36ce2d60c4fc322703c3c32a20d73afd195cf63ce79f3088c13e559bfb0eaff9baf526d88a71a5ec95bd48
SSDEEP

49152:tWKGNq7FBhpRWa3viMRIcDdxw6dXF3W1QrL1UDq3P8mlp4DOXUx4:zGejpRWafEkRW6OHmrZX5

Score

10^/10

floxif backdoor discovery evasion persistence trojan upx

Malware Config

Signatures

Floxif family
floxif
Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral1/files/0x0008000000015685-14.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0008000000015685-14.dat	acprotect

Executes dropped EXE 8 IoCs

pid	Process
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2088	icsys.icn.exe
1884	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1856	explorer.exe
2796	icsys.icn.exe
2240	spoolsv.exe
1880	svchost.exe
1668	spoolsv.exe

Loads dropped DLL 9 IoCs

pid	Process
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1884	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2088	icsys.icn.exe
1856	explorer.exe
2240	spoolsv.exe
1880	svchost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1864-16-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x0008000000015685-14.dat	upx
behavioral1/memory/1884-34-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1884-52-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1864-60-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1864-71-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe

System Location Discovery: System Language Discovery 1 TTPs 12 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	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2756	schtasks.exe
1780	schtasks.exe
1344	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe
1856	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1856	explorer.exe
1880	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
Token: SeDebugPrivilege	1884	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe

Suspicious use of SetWindowsHookEx 18 IoCs

pid	Process
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
2088	icsys.icn.exe
2088	icsys.icn.exe
1884	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1884	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
1856	explorer.exe
1856	explorer.exe
2796	icsys.icn.exe
2796	icsys.icn.exe
2240	spoolsv.exe
2240	spoolsv.exe
1880	svchost.exe
1880	svchost.exe
1668	spoolsv.exe
1668	spoolsv.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1864	2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	28
PID 2400 wrote to memory of 1864	2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	28
PID 2400 wrote to memory of 1864	2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	28
PID 2400 wrote to memory of 1864	2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	28
PID 2400 wrote to memory of 2088	2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	29
PID 2400 wrote to memory of 2088	2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	29
PID 2400 wrote to memory of 2088	2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	29
PID 2400 wrote to memory of 2088	2400	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	29
PID 1864 wrote to memory of 1884	1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	30
PID 1864 wrote to memory of 1884	1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	30
PID 1864 wrote to memory of 1884	1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	30
PID 1864 wrote to memory of 1884	1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	30
PID 2088 wrote to memory of 1856	2088	icsys.icn.exe	31
PID 2088 wrote to memory of 1856	2088	icsys.icn.exe	31
PID 2088 wrote to memory of 1856	2088	icsys.icn.exe	31
PID 2088 wrote to memory of 1856	2088	icsys.icn.exe	31
PID 1864 wrote to memory of 2796	1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	32
PID 1864 wrote to memory of 2796	1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	32
PID 1864 wrote to memory of 2796	1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	32
PID 1864 wrote to memory of 2796	1864	d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe	32
PID 1856 wrote to memory of 2240	1856	explorer.exe	33
PID 1856 wrote to memory of 2240	1856	explorer.exe	33
PID 1856 wrote to memory of 2240	1856	explorer.exe	33
PID 1856 wrote to memory of 2240	1856	explorer.exe	33
PID 2240 wrote to memory of 1880	2240	spoolsv.exe	34
PID 2240 wrote to memory of 1880	2240	spoolsv.exe	34
PID 2240 wrote to memory of 1880	2240	spoolsv.exe	34
PID 2240 wrote to memory of 1880	2240	spoolsv.exe	34
PID 1880 wrote to memory of 1668	1880	svchost.exe	35
PID 1880 wrote to memory of 1668	1880	svchost.exe	35
PID 1880 wrote to memory of 1668	1880	svchost.exe	35
PID 1880 wrote to memory of 1668	1880	svchost.exe	35
PID 1856 wrote to memory of 2352	1856	explorer.exe	36
PID 1856 wrote to memory of 2352	1856	explorer.exe	36
PID 1856 wrote to memory of 2352	1856	explorer.exe	36
PID 1856 wrote to memory of 2352	1856	explorer.exe	36
PID 1880 wrote to memory of 2756	1880	svchost.exe	37
PID 1880 wrote to memory of 2756	1880	svchost.exe	37
PID 1880 wrote to memory of 2756	1880	svchost.exe	37
PID 1880 wrote to memory of 2756	1880	svchost.exe	37
PID 1880 wrote to memory of 1780	1880	svchost.exe	42
PID 1880 wrote to memory of 1780	1880	svchost.exe	42
PID 1880 wrote to memory of 1780	1880	svchost.exe	42
PID 1880 wrote to memory of 1780	1880	svchost.exe	42
PID 1880 wrote to memory of 1344	1880	svchost.exe	44
PID 1880 wrote to memory of 1344	1880	svchost.exe	44
PID 1880 wrote to memory of 1344	1880	svchost.exe	44
PID 1880 wrote to memory of 1344	1880	svchost.exe	44

C:\Users\Admin\AppData\Local\Temp\d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
"C:\Users\Admin\AppData\Local\Temp\d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe"
1⤵
- 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:2400
- \??\c:\users\admin\appdata\local\temp\d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
  c:\users\admin\appdata\local\temp\d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1864
- - \??\c:\users\admin\appdata\local\temp\d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
    c:\users\admin\appdata\local\temp\d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1884
- - C:\Windows\Resources\Themes\icsys.icn.exe
    C:\Windows\Resources\Themes\icsys.icn.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2796
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - 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:2088
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1856
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2240
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        Modifies visiblity of hidden/system files in Explorer
        Executes dropped EXE
        Loads dropped DLL
        Adds Run key to start application
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1880
      - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:1668
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 04:14 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2756
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 04:15 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1780
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 04:16 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1344
  - - C:\Windows\Explorer.exe
      C:\Windows\Explorer.exe
      4⤵
      PID:2352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Resources\Themes\icsys.icn.exe

Filesize
135KB

MD5
98d095085879b39b71ae70f8a3a28af7

SHA1
aafce79183935ebbb476775f520439cd3c0b3ae9

SHA256
5b7dd8fcf7a866c0ae6e2cc858d67e108516031f9ef0ccdb88dd026f225e2bfe

SHA512
9e6869e4a7990dbe332364baa31a2bec730ac4f5bd3a15d31da1e5b7f8e7d5cf16996bfc2d3555a9f31fc7bb8756af5a91401a4f722f64ebfc92586b8ac9c5d6

Download Submit
\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
\Users\Admin\AppData\Local\Temp\d4280f4d3a5b55db372dbf46200db3cf9afb851aaa7c4961376cc877d1f45bdd.exe

Filesize
4.5MB

MD5
f2f663d7125fae108dfe569404386854

SHA1
8d4da074f301b3027b7870b6c405f33a4a5639c9

SHA256
f5e62104cb8cce33331d05a246a432dc04b99ea398dbb70bdce7867e291b6f00

SHA512
295074178be41f1849ae12068cdaf62dcb160773d4c4135ae5f1f91c13bc69fc7722abe814794c16efc0467ceeb29ec0c4501dad0799aaf07d3632cdff3a0cef

Download Submit
\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
279fffb826b9d7952ae872a906423ce7

SHA1
cf4e66cf9d7bad94abb1ddeb493798dd42ce76d7

SHA256
677164376f41fa11cac16b3e991fc10c8eb7cdf821486129b044b6d60b6592cc

SHA512
577e23199929826f12db0bb03edfbd3ae519bf9f842ed55c13ed131228ba83e7260e59ece0536de1e65d85387e6315045288614079b5cb1debe95900ea5f4dae

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
2698ee275f8635d38734467a6af709e9

SHA1
a462bc28cc5aa3b4e3eb3aeeac27bbacbebda41d

SHA256
3b0d08985889ac975aa9bc2939aeb15b91a57a39aa2804895d7eed774454e622

SHA512
c53db78d47ab00ab5238148707f83661631ee15721264876ac6b76eb08e5428f81cd6de13a627ad3a67164c374867b18fe722f220b1230d33868fdc3682f8d1a

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
b08bbeed75509fa0e3ef50d46941c322

SHA1
dbde5ccf7fd28ab34f088201029c8eef01e2ba1b

SHA256
21ce957ea62a13f0cdeca1e8c425c3d1bb05e92ee3b18f8bda50d45a5add73ae

SHA512
a74851122d8575ed2337fc02c904eba72d47d5b3f0fc421b7d90d5a1a64475dff2f54d38029df137028d20121270c42c523a8753f5003356a0427afabbf77fc0

Download Submit
memory/1668-89-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1856-93-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1864-71-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1864-16-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1864-28-0x0000000000450000-0x000000000046F000-memory.dmp

Filesize
124KB

Download
memory/1864-11-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1864-60-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1864-70-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1880-94-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1880-84-0x0000000000290000-0x00000000002AF000-memory.dmp

Filesize
124KB

Download
memory/1884-34-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1884-52-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1884-51-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2088-92-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2088-42-0x00000000002C0000-0x00000000002DF000-memory.dmp

Filesize
124KB

Download
memory/2240-76-0x00000000003B0000-0x00000000003CF000-memory.dmp

Filesize
124KB

Download
memory/2240-90-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2400-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2400-8-0x00000000002D0000-0x00000000002EF000-memory.dmp

Filesize
124KB

Download
memory/2400-91-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2796-64-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download