File name:

Fast.exe

Full analysis: https://app.any.run/tasks/dcf79627-a586-45e3-bdac-4df6d70e1899
Verdict: Malicious activity
Threats:

Phobos is a ransomware that locks or encrypts files to demand a ransom. It uses AES encryption with different extensions, which leaves no chance to recover the infected files.

Malware Trends Tracker     >>>
Analysis date: February 02, 2022, 16:09:15
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
phobos
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

237E4F1DF0AAD78D6DAD09958DBAEF7B

SHA1:

0958AFA4D66DAB5336DBA6767E22A087F3E497CE

SHA256:

1411D7EDAF4F80BD0DDFF9F049B676E49C575235D2FA47F86A22DBC3175FC870

SSDEEP:

1536:DNeRBl5PT/rx1mzwRMSTdLpJ75TEb82FK9:DQRrmzwR5JlH2

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Runs app for hidden code execution

      • Fast.exe (PID: 3044)

    • Writes to a start menu file

      • Fast.exe (PID: 3044)

    • Changes the autorun value in the registry

      • Fast.exe (PID: 3044)
      • Fast.exe (PID: 3268)

    • Drops executable file immediately after starts

      • Fast.exe (PID: 3044)

    • PHOBOS was detected

      • Fast.exe (PID: 3044)

    • Deletes shadow copies

      • cmd.exe (PID: 3252)

    • Turns off the firewall via NETSH.EXE

      • cmd.exe (PID: 148)

    • Starts BCDEDIT.EXE to disable recovery

      • cmd.exe (PID: 3252)

    • Application was injected by another process

      • svchost.exe (PID: 924)
      • wmiprvse.exe (PID: 2224)
      • SearchIndexer.exe (PID: 2796)
      • svchost.exe (PID: 3544)
      • svchost.exe (PID: 548)

    • Loads the Task Scheduler COM API

      • wbengine.exe (PID: 2400)

    • Runs injected code in another process

      • wbadmin.exe (PID: 2508)

    • Actions looks like stealing of personal data

      • Fast.exe (PID: 3044)

    • Renames files like Ransomware

      • Fast.exe (PID: 3044)

    • Steals credentials from Web Browsers

      • Fast.exe (PID: 3044)

  • SUSPICIOUS

    • Checks supported languages

      • Fast.exe (PID: 3268)
      • Fast.exe (PID: 3580)
      • Fast.exe (PID: 3044)
      • cmd.exe (PID: 3252)
      • cmd.exe (PID: 148)
      • WMIC.exe (PID: 3500)
      • wmiprvse.exe (PID: 2224)

    • Reads the computer name

      • Fast.exe (PID: 3580)
      • Fast.exe (PID: 3044)
      • Fast.exe (PID: 3268)
      • WMIC.exe (PID: 3500)
      • wmiprvse.exe (PID: 2224)

    • Application launched itself

      • Fast.exe (PID: 3268)
      • Fast.exe (PID: 3580)

    • Starts CMD.EXE for commands execution

      • Fast.exe (PID: 3044)

    • Reads Environment values

      • netsh.exe (PID: 2024)
      • netsh.exe (PID: 3472)

    • Creates files in the user directory

      • Fast.exe (PID: 3044)

    • Uses NETSH.EXE for network configuration

      • cmd.exe (PID: 148)

    • Executed as Windows Service

      • vssvc.exe (PID: 3284)
      • vds.exe (PID: 3928)
      • wbengine.exe (PID: 2400)

    • Creates files in the Windows directory

      • wbadmin.exe (PID: 2508)

    • Executed via COM

      • vdsldr.exe (PID: 2816)

    • Reads the cookies of Mozilla Firefox

      • Fast.exe (PID: 3044)

    • Executable content was dropped or overwritten

      • Fast.exe (PID: 3044)

    • Drops a file that was compiled in debug mode

      • Fast.exe (PID: 3044)

    • Drops a file with too old compile date

      • Fast.exe (PID: 3044)

    • Drops a file with a compile date too recent

      • Fast.exe (PID: 3044)

    • Creates files in the program directory

      • Fast.exe (PID: 3044)

  • INFO

    • Checks supported languages

      • netsh.exe (PID: 2024)
      • vssvc.exe (PID: 3284)
      • netsh.exe (PID: 3472)
      • vssadmin.exe (PID: 1124)
      • bcdedit.exe (PID: 3324)
      • bcdedit.exe (PID: 676)
      • wbadmin.exe (PID: 2508)
      • svchost.exe (PID: 3544)
      • wbengine.exe (PID: 2400)
      • vdsldr.exe (PID: 2816)
      • vds.exe (PID: 3928)

    • Reads the computer name

      • netsh.exe (PID: 2024)
      • vssadmin.exe (PID: 1124)
      • vssvc.exe (PID: 3284)
      • svchost.exe (PID: 3544)
      • wbadmin.exe (PID: 2508)
      • netsh.exe (PID: 3472)
      • vdsldr.exe (PID: 2816)
      • wbengine.exe (PID: 2400)
      • vds.exe (PID: 3928)

    • Dropped object may contain Bitcoin addresses

      • Fast.exe (PID: 3044)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 5.1
ImageVersion: -
OSVersion: 5.1
EntryPoint: 0x2fa7
UninitializedDataSize: -
InitializedDataSize: 15872
CodeSize: 34304
LinkerVersion: 10
PEType: PE32
TimeStamp: 2020:03:31 16:17:25+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 31-Mar-2020 14:17:25

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000E0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 31-Mar-2020 14:17:25
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00008598
0x00008600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.58755
.rdata
0x0000A000
0x00000E7C
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.27783
.data
0x0000B000
0x000026B9
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
6.1802
.reloc
0x0000E000
0x000005EE
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
5.69613
.cdata
0x0000F000
0x00003B48
0x00003C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.8654

Imports

ADVAPI32.dll
IPHLPAPI.DLL
KERNEL32.dll
MPR.dll
SHELL32.dll
USER32.dll
WINHTTP.dll
WS2_32.dll
ole32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
60
Monitored processes
21
Malicious processes
3
Suspicious processes
2

Behavior graph

Click at the process to see the details
start inject inject inject inject inject fast.exe fast.exe no specs cmd.exe no specs #PHOBOS fast.exe cmd.exe no specs netsh.exe no specs vssadmin.exe no specs vssvc.exe no specs netsh.exe no specs wmic.exe no specs bcdedit.exe no specs bcdedit.exe no specs wbadmin.exe no specs svchost.exe svchost.exe wmiprvse.exe searchindexer.exe svchost.exe wbengine.exe no specs vdsldr.exe no specs vds.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
148"C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe—Fast.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\lpk.dll
c:\windows\system32\imm32.dll
548C:\Windows\system32\svchost.exe -k NetworkServiceC:\Windows\system32\svchost.exe
services.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
676bcdedit /set {default} recoveryenabled noC:\Windows\system32\bcdedit.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Boot Configuration Data Editor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\bcdedit.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
924C:\Windows\system32\svchost.exe -k netsvcsC:\Windows\system32\svchost.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wshnetbs.dll
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
1124vssadmin delete shadows /all /quietC:\Windows\system32\vssadmin.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Command Line Interface for Microsoft� Volume Shadow Copy Service
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssadmin.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\atl.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2024netsh advfirewall set currentprofile state offC:\Windows\system32\netsh.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Network Command Shell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\credui.dll
c:\windows\system32\user32.dll
2224C:\Windows\system32\wbem\wmiprvse.exe -secured -EmbeddingC:\Windows\system32\wbem\wmiprvse.exe
svchost.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
WMI Provider Host
Exit code:
0
Version:
10.0.14409.1005 (rs1_srvoob.161208-1155)
Modules
Images
c:\windows\system32\wbem\wmiprvse.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
2400"C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe—services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft� Block Level Backup Engine Service EXE
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wbengine.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
2508wbadmin delete catalog -quietC:\Windows\system32\wbadmin.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Command Line Interface for Microsoft� BLB Backup
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wbadmin.exe
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\ole32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
2796C:\Windows\system32\SearchIndexer.exe /EmbeddingC:\Windows\system32\SearchIndexer.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft Windows Search Indexer
Exit code:
0
Version:
7.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\searchindexer.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
Total events
11 658
Read events
11 526
Write events
132
Delete events
0

Modification events

(PID) Process:(3580) Fast.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3580) Fast.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3580) Fast.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3580) Fast.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(924) svchost.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\S-1-5-21-1302019708-1500728564-335382590-1000
Operation:writeName:RefCount
Value:
4
(PID) Process:(924) svchost.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\S-1-5-21-1302019708-1500728564-335382590-1000
Operation:writeName:RefCount
Value:
3
(PID) Process:(3044) Fast.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Fast
Value:
C:\Users\admin\AppData\Local\Fast.exe
(PID) Process:(3044) Fast.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Fast
Value:
C:\Users\admin\AppData\Local\Fast.exe
(PID) Process:(2024) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2024) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-100
Value:
DHCP Quarantine Enforcement Client
Executable files
176
Suspicious files
4 557
Text files
12
Unknown types
307

Dropped files

PID
Process
Filename
Type
3044Fast.exeC:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\AccLR.cab.id[C4BA3647-3244].[jessanor@airmail.cc].eking —
MD5:—
SHA256:—
3044Fast.exeC:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\AccLR.cab —
MD5:—
SHA256:—
3044Fast.exeC:\MSOCache\All Users\{90140000-0015-040C-0000-0000000FF1CE}-C\AccLR.cab.id[C4BA3647-3244].[jessanor@airmail.cc].eking —
MD5:—
SHA256:—
3044Fast.exeC:\MSOCache\All Users\{90140000-0015-040C-0000-0000000FF1CE}-C\AccLR.cab —
MD5:—
SHA256:—
3044Fast.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\desktop.ini.id[C4BA3647-3244].[jessanor@airmail.cc].ekingbinary
MD5:—
SHA256:—
3044Fast.exeC:\MSOCache\All Users\{90140000-0015-0410-0000-0000000FF1CE}-C\AccLR.cab.id[C4BA3647-3244].[jessanor@airmail.cc].eking —
MD5:—
SHA256:—
3044Fast.exeC:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\branding.xml.id[C4BA3647-3244].[jessanor@airmail.cc].ekingbinary
MD5:—
SHA256:—
3044Fast.exeC:\MSOCache\All Users\{90140000-0015-0410-0000-0000000FF1CE}-C\AccLR.cab —
MD5:—
SHA256:—
3044Fast.exeC:\config.sys.id[C4BA3647-3244].[jessanor@airmail.cc].ekingbinary
MD5:—
SHA256:—
924svchost.exeC:\Windows\appcompat\programs\RecentFileCache.bcftxt
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
Fast.exe