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File name:

update.exe

Full analysis: https://app.any.run/tasks/f4dd3745-a079-4ee5-9659-716eb28bae68
Verdict: Malicious activity
Analysis date: April 23, 2019, 19:51:54
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (console) Intel 80386, for MS Windows
MD5:

470B4F5BC84DB74AB1935186A3B5219F

SHA1:

522DA30DADF030861E51DA3EFAF25EA0E0619206

SHA256:

FA0978B3D14458524BB235D6095358A27AF9F2E9281BE7CD0EB1A4D2123A8330

SSDEEP:

196608:eAqjTpnhXlmyWCZNulPKQ8hY/Bkr/fOIT/+VdlBFKaz:kfauN/HYOSIT/EVF9

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

      • WMIC.exe (PID: 2324)
      • update.exe (PID: 1236)
      • UiaEJw.exe (PID: 7712)
    • Starts NET.EXE to view/change users group

      • cmd.exe (PID: 3228)
      • cmd.exe (PID: 3884)
    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 6792)
      • schtasks.exe (PID: 4552)
      • schtasks.exe (PID: 2092)
    • Uses Task Scheduler to run other applications

      • cmd.exe (PID: 6148)
  • SUSPICIOUS

    • Executes PowerShell scripts

      • update.exe (PID: 1236)
    • Starts CMD.EXE for commands execution

      • update.exe (PID: 1236)
      • WScript.exe (PID: 5216)
      • BTYIOQgi.exe (PID: 13268)
    • Uses NETSH.EXE for network configuration

      • cmd.exe (PID: 6148)
    • Application launched itself

      • update.exe (PID: 3692)
    • Uses IPCONFIG.EXE to discover IP address

      • update.exe (PID: 1236)
      • cmd.exe (PID: 2660)
    • Uses NETSTAT.EXE to discover network connections

      • update.exe (PID: 1236)
    • Loads Python modules

      • update.exe (PID: 1236)
      • UiaEJw.exe (PID: 7712)
    • Creates files in the Windows directory

      • cmd.exe (PID: 6148)
      • UiaEJw.exe (PID: 2532)
    • Executes scripts

      • cmd.exe (PID: 4512)
    • Creates files in the user directory

      • powershell.exe (PID: 2756)
    • Executable content was dropped or overwritten

      • update.exe (PID: 3692)
      • cmd.exe (PID: 6148)
      • UiaEJw.exe (PID: 2532)
    • Removes files from Windows directory

      • UiaEJw.exe (PID: 2532)
  • INFO

    No info indicators.
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: 0x779a
UninitializedDataSize: -
InitializedDataSize: 172032
CodeSize: 128000
LinkerVersion: 14
PEType: PE32
TimeStamp: 2018:09:04 16:42:13+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date: 04-Sep-2018 14:42:13

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: 0x00000108

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 04-Sep-2018 14:42:13
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
0x0001F224
0x0001F400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.65269
.rdata
0x00021000
0x0000B0EC
0x0000B200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.10091
.data
0x0002D000
0x0000E680
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.94098
.gfids
0x0003C000
0x000000B8
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
1.89006
.rsrc
0x0003D000
0x0000EA38
0x0000EC00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.29706
.reloc
0x0004C000
0x000017B8
0x00001800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.65088

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.58652
3752
UNKNOWN
UNKNOWN
RT_ICON
2
6.05629
2216
UNKNOWN
UNKNOWN
RT_ICON
3
5.5741
1384
UNKNOWN
UNKNOWN
RT_ICON
4
7.95079
37019
UNKNOWN
UNKNOWN
RT_ICON
5
5.29119
9640
UNKNOWN
UNKNOWN
RT_ICON
6
5.43869
4264
UNKNOWN
UNKNOWN
RT_ICON
7
5.89356
1128
UNKNOWN
UNKNOWN
RT_ICON
101
2.71858
104
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

KERNEL32.dll
WS2_32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
66
Monitored processes
27
Malicious processes
7
Suspicious processes
1

Behavior graph

Click at the process to see the details
start update.exe no specs update.exe update.exe cmd.exe no specs wmic.exe no specs cmd.exe no specs net.exe no specs net1.exe no specs cmd.exe no specs net.exe no specs net1.exe no specs powershell.exe no specs cmd.exe no specs ipconfig.exe no specs ipconfig.exe no specs netstat.exe no specs btyioqgi.exe no specs cmd.exe no specs wscript.exe no specs cmd.exe netsh.exe no specs netsh.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs uiaejw.exe uiaejw.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3180"C:\Users\admin\AppData\Local\Temp\update.exe" C:\Users\admin\AppData\Local\Temp\update.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\update.exe
c:\systemroot\system32\ntdll.dll
3692"C:\Users\admin\AppData\Local\Temp\update.exe" C:\Users\admin\AppData\Local\Temp\update.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Modules
Images
c:\users\admin\appdata\local\temp\update.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
1236"C:\Users\admin\AppData\Local\Temp\update.exe" C:\Users\admin\AppData\Local\Temp\update.exe
update.exe
User:
admin
Integrity Level:
HIGH
Modules
Images
c:\users\admin\appdata\local\temp\update.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
1948cmd /c wmic ntdomain get domainnameC:\Windows\system32\cmd.exeupdate.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:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2324wmic ntdomain get domainnameC:\Windows\System32\Wbem\WMIC.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
WMI Commandline Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wbem\wmic.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\ole32.dll
c:\windows\system32\gdi32.dll
3884cmd /c net localgroup administratorsC:\Windows\system32\cmd.exeupdate.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:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1740net localgroup administratorsC:\Windows\system32\net.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Net Command
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.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\netutils.dll
c:\windows\system32\browcli.dll
2492C:\Windows\system32\net1 localgroup administratorsC:\Windows\system32\net1.exenet.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Net Command
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\net1.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\dsrole.dll
c:\windows\system32\netutils.dll
3228cmd /c net group "domain admins" /domainC:\Windows\system32\cmd.exeupdate.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3496net group "domain admins" /domainC:\Windows\system32\net.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.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\netutils.dll
c:\windows\system32\browcli.dll
Total events
457
Read events
306
Write events
151
Delete events
0

Modification events

(PID) Process:(2756) powershell.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2636) netstat.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\RFC1156Agent\CurrentVersion\Parameters
Operation:writeName:TrapPollTimeMilliSecs
Value:
15000
(PID) Process:(4512) cmd.exeKey:HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(4512) cmd.exeKey:HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(5216) WScript.exeKey:HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(5216) WScript.exeKey:HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(5216) WScript.exeKey:HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached
Operation:writeName:{35786D3C-B075-49B9-88DD-029876E11C01} {ADD8BA80-002B-11D0-8F0F-00C04FD7D062} 0xFFFF
Value:
01000000000000005CD115510EFAD401
(PID) Process:(5216) WScript.exeKey:HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached
Operation:writeName:{B155BDF8-02F0-451E-9A26-AE317CFD7779} {ADD8BA80-002B-11D0-8F0F-00C04FD7D062} 0xFFFF
Value:
0100000000000000781F24510EFAD401
(PID) Process:(6960) netsh.exeKey:HKEY_USERS\.DEFAULT\Software\Classes\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(4868) netsh.exeKey:HKEY_USERS\.DEFAULT\Software\Classes\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
58
Suspicious files
2
Text files
9
Unknown types
0

Dropped files

PID
Process
Filename
Type
3692update.exeC:\Users\admin\AppData\Local\Temp\_MEI36922\Crypto.Cipher._AES.pydexecutable
MD5:9FD78D7D6AB69AF5A14E0F29AFFD7EF4
SHA256:87C920ED2C1AFCF295729563B4DEF671DC9E36EF8B3E183D4836571300180E74
3692update.exeC:\Users\admin\AppData\Local\Temp\_MEI36922\Crypto.Cipher._DES.pydexecutable
MD5:4B7B86B41280DFD1E1D29A7F626393EF
SHA256:8B0F41FD5A3D78E7C4990B1DF3414C4FA221624444F318BB0A29F92F02B1A15E
3692update.exeC:\Users\admin\AppData\Local\Temp\_MEI36922\Crypto.Hash._MD4.pydexecutable
MD5:F98765AF6763CFE9ECE7136F14F88397
SHA256:D722ED0EE7FEF1F30860F83B3FECFA089955CA0D6B522A379EFDC34F0401E321
3692update.exeC:\Users\admin\AppData\Local\Temp\_MEI36922\msvcm90.dllexecutable
MD5:D34A527493F39AF4491B3E909DC697CA
SHA256:7A74DA389FBD10A710C294C2E914DC6F18E05F028F07958A2FA53AC44F0E4B90
3692update.exeC:\Users\admin\AppData\Local\Temp\_MEI36922\_socket.pydexecutable
MD5:B7C3E334648A6CBB03B550B842818409
SHA256:F0781A1B879584F494D984E31869EAB13F0535825F68862E6597B1639DF708BD
3692update.exeC:\Users\admin\AppData\Local\Temp\_MEI36922\Crypto.Random.OSRNG.winrandom.pydexecutable
MD5:731A6B82B8475E383DAC97B20AEAB7F7
SHA256:D710B5A398DD0DC128129F3B035D459D6860B5C45CCC8EE2066069202B9D1F30
3692update.exeC:\Users\admin\AppData\Local\Temp\_MEI36922\bz2.pydexecutable
MD5:0B1688C02640EC14D85E1CC3C93F7276
SHA256:753EA279675EEB34FE58908F10CB15886955C865B49C01B533A5930E6B326038
3692update.exeC:\Users\admin\AppData\Local\Temp\_MEI36922\Crypto.Cipher._ARC4.pydexecutable
MD5:8D85DBF6C981BFF4E8A1BEA86A0AC5E9
SHA256:356623219B8C098435D511C0055C061018641D8B700EB089FC6FF87D233260E1
3692update.exeC:\Users\admin\AppData\Local\Temp\_MEI36922\_hashlib.pydexecutable
MD5:22071845DAF8C1F6E87F006673EED4FD
SHA256:51C47389782BC2DE8E401D231233E2E7F1A4B3AFCE7DF4DDF4AD533184DAD407
3692update.exeC:\Users\admin\AppData\Local\Temp\_MEI36922\Crypto.Util._counter.pydexecutable
MD5:556BD0C831364879E75E873DA82DCCF8
SHA256:A3C7473617025DE594F45EA4EB0B943F6E406935017D746DE2C310698E3C689D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
31 584
DNS requests
5
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1236
update.exe
GET
200
79.98.145.42:80
http://ip.42.pl/raw
PL
text
14 b
suspicious
1236
update.exe
GET
301
45.79.77.20:80
http://jsonip.com/
US
html
194 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1236
update.exe
10.0.0.13:445
unknown
1236
update.exe
79.98.145.42:80
ip.42.pl
Nitronet Sp. z o.o.
PL
suspicious
1236
update.exe
10.0.0.8:445
unknown
1236
update.exe
10.0.0.6:445
unknown
1236
update.exe
10.0.0.2:445
unknown
1236
update.exe
45.79.77.20:443
jsonip.com
Linode, LLC
US
suspicious
1236
update.exe
10.0.0.5:445
unknown
1236
update.exe
10.0.0.14:445
unknown
1236
update.exe
10.0.0.4:445
unknown
1236
update.exe
10.0.0.10:445
suspicious

DNS requests

Domain
IP
Reputation
info.ackng.com
malicious
ip.42.pl
  • 79.98.145.42
suspicious
info.beahh.com
malicious
jsonip.com
  • 45.79.77.20
whitelisted
info.abbny.com
malicious

Threats

PID
Process
Class
Message
1236
update.exe
Attempted Information Leak
ET POLICY Python-urllib/ Suspicious User Agent
1236
update.exe
Misc activity
SUSPICIOUS [PTsecurity] IP Check (possible APT signed impacket_lateral_movement sample)
1236
update.exe
Attempted Information Leak
ET POLICY Python-urllib/ Suspicious User Agent
1236
update.exe
Misc activity
ET SCAN Behavioral Unusual Port 445 traffic Potential Scan or Infection
1236
update.exe
Misc activity
ET SCAN Behavioral Unusual Port 1433 traffic Potential Scan or Infection
1236
update.exe
Misc activity
ET SCAN Behavioral Unusual Port 445 traffic Potential Scan or Infection
1236
update.exe
Misc activity
ET SCAN Behavioral Unusual Port 1433 traffic Potential Scan or Infection
Misc activity
ET SCAN Behavioral Unusual Port 445 traffic Potential Scan or Infection
Misc activity
ET SCAN Behavioral Unusual Port 1433 traffic Potential Scan or Infection
1236
update.exe
Misc activity
ET SCAN Behavioral Unusual Port 445 traffic Potential Scan or Infection
2 ETPRO signatures available at the full report
No debug info