File name:

skype.exe

Full analysis: https://app.any.run/tasks/0a49243c-8810-4389-ab97-a68ef0c8eaf1
Verdict: Malicious activity
Analysis date: May 24, 2021, 06:54:37
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (console) Intel 80386, for MS Windows
MD5:

D11743B11A65AB7CA9A61913151BAC40

SHA1:

42E182D0CD1D3BB2F055BE55ABE880C675BA9DAD

SHA256:

DB27FD09303A4B73F0635E779269C53938425B7F631345B5F2A96739F2185DF7

SSDEEP:

98304:t+8Pf8XRAAvTAAkfNvuIVqSR3QH4ewSxepreCQz1p/k6QAM6dBZHtmAqw23jGou:MJWOTAAkNHVq2xWD1p/kzduBJtIbV

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

    • Loads dropped or rewritten executable

      • skype.exe (PID: 2828)

    • Drops executable file immediately after starts

      • skype.exe (PID: 692)

  • SUSPICIOUS

    • Application launched itself

      • skype.exe (PID: 692)

    • Drops a file with a compile date too recent

      • skype.exe (PID: 692)

    • Loads Python modules

      • skype.exe (PID: 2828)

    • Executable content was dropped or overwritten

      • skype.exe (PID: 692)

    • Drops a file that was compiled in debug mode

      • skype.exe (PID: 692)

    • Drops a file with too old compile date

      • skype.exe (PID: 692)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • skype.exe (PID: 692)
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 command line
SubsystemVersion: 5.1
ImageVersion: -
OSVersion: 5.1
EntryPoint: 0x781a
UninitializedDataSize: -
InitializedDataSize: 116736
CodeSize: 128000
LinkerVersion: 14
PEType: PE32
TimeStamp: 2020:08:08 14:29:54+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date: 08-Aug-2020 12:29:54

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: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 08-Aug-2020 12:29:54
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0001F274
0x0001F400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.65656
.rdata
0x00021000
0x0000B386
0x0000B400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.1121
.data
0x0002D000
0x0000A668
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.93189
.gfids
0x00038000
0x000000B8
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
1.82045
.rsrc
0x00039000
0x0000EF6C
0x0000F000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.3503
.reloc
0x00048000
0x000017FC
0x00001800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.6693

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.27386
1263
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
6.05629
2216
Latin 1 / Western European
UNKNOWN
RT_ICON
3
5.5741
1384
Latin 1 / Western European
UNKNOWN
RT_ICON
4
7.95079
37019
Latin 1 / Western European
UNKNOWN
RT_ICON
5
5.29119
9640
Latin 1 / Western European
UNKNOWN
RT_ICON
6
5.43869
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
7
5.89356
1128
Latin 1 / Western European
UNKNOWN
RT_ICON
101
2.71858
104
Latin 1 / Western European
UNKNOWN
RT_GROUP_ICON

Imports

ADVAPI32.dll
KERNEL32.dll
WS2_32.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start skype.exe skype.exe

Process information

PID
CMD
Path
Indicators
Parent process
692"C:\Users\admin\AppData\Local\Temp\skype.exe" C:\Users\admin\AppData\Local\Temp\skype.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
4294967295
Modules
Images
c:\users\admin\appdata\local\temp\skype.exe
c:\systemroot\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\ws2_32.dll
c:\windows\system32\nsi.dll
2828"C:\Users\admin\AppData\Local\Temp\skype.exe" C:\Users\admin\AppData\Local\Temp\skype.exe
skype.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
4294967295
Modules
Images
c:\users\admin\appdata\local\temp\skype.exe
c:\systemroot\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\ws2_32.dll
c:\windows\system32\nsi.dll
Total events
9
Read events
9
Write events
0
Delete events
0

Modification events

No data
Executable files
53
Suspicious files
1
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
692skype.exeC:\Users\admin\AppData\Local\Temp\_MEI6922\_lzma.pydexecutable
MD5:B7F979DBAC49A9908B1EF32602D345E0
SHA256:141B4BDEFAE997AF2F8C31602B2864DD30D655B1C20385DD31A098BA596ACFE0
692skype.exeC:\Users\admin\AppData\Local\Temp\_MEI6922\api-ms-win-core-heap-l1-1-0.dllexecutable
MD5:2EA3901D7B50BF6071EC8732371B821C
SHA256:44F6DF4280C8ECC9C6E609B1A4BFEE041332D337D84679CFE0D6678CE8F2998A
692skype.exeC:\Users\admin\AppData\Local\Temp\_MEI6922\VCRUNTIME140.dllexecutable
MD5:AE96651CFBD18991D186A029CBECB30C
SHA256:1B372F064EACB455A0351863706E6326CA31B08E779A70DE5DE986B5BE8069A1
692skype.exeC:\Users\admin\AppData\Local\Temp\_MEI6922\api-ms-win-core-interlocked-l1-1-0.dllexecutable
MD5:D97A1CB141C6806F0101A5ED2673A63D
SHA256:DECCD75FC3FC2BB31338B6FE26DEFFBD7914C6CD6A907E76FD4931B7D141718C
692skype.exeC:\Users\admin\AppData\Local\Temp\_MEI6922\_queue.pydexecutable
MD5:CB9F4B92F130B564767359A8DAC8D05B
SHA256:297A96DC95709034C4B802E25F769105F9EB4866B70991208C4BD8315171CAF6
692skype.exeC:\Users\admin\AppData\Local\Temp\_MEI6922\api-ms-win-core-console-l1-1-0.dllexecutable
MD5:502263C56F931DF8440D7FD2FA7B7C00
SHA256:94A5DF1227818EDBFD0D5091C6A48F86B4117C38550343F780C604EEE1CD6231
692skype.exeC:\Users\admin\AppData\Local\Temp\_MEI6922\_socket.pydexecutable
MD5:2C77EBD0C69DE8DC3FEEC3FF8A26A6BF
SHA256:A05BA444C837FB4D43174B6552FCAEFA2952AD31C620A3EAD9B001CE4BF7928A
692skype.exeC:\Users\admin\AppData\Local\Temp\_MEI6922\api-ms-win-core-debug-l1-1-0.dllexecutable
MD5:88FF191FD8648099592ED28EE6C442A5
SHA256:C310CC91464C9431AB0902A561AF947FA5C973925FF70482D3DE017ED3F73B7D
692skype.exeC:\Users\admin\AppData\Local\Temp\_MEI6922\api-ms-win-core-file-l1-1-0.dllexecutable
MD5:94AE25C7A5497CA0BE6882A00644CA64
SHA256:7EA06B7050F9EA2BCC12AF34374BDF1173646D4E5EBF66AD690B37F4DF5F3D4E
692skype.exeC:\Users\admin\AppData\Local\Temp\_MEI6922\api-ms-win-core-handle-l1-1-0.dllexecutable
MD5:6DB54065B33861967B491DD1C8FD8595
SHA256:945CC64EE04B1964C1F9FCDC3124DD83973D332F5CFB696CDF128CA5C4CBD0E5
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
skype.exe