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File name:

APT28DropperExcelDoc.xls

Full analysis: https://app.any.run/tasks/e36170c7-160e-4daf-b6cc-0eae22280443
Verdict: Malicious activity
Analysis date: January 11, 2019, 10:36:39
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
macros
macros-on-open
generated-doc
Indicators:
MIME: application/vnd.ms-excel
File info: Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1251, Author: userr, Last Saved By: Windows, Name of Creating Application: Microsoft Excel, Last Printed: Sun Dec 4 23:48:47 2016, Create Time/Date: Wed Oct 19 23:49:03 2016, Last Saved Time/Date: Sun Jul 8 19:08:38 2018, Security: 0
MD5:

5DEBB3535CBA6615526C64E44D0F5E2B

SHA1:

ABAA744D9504C7F23A237F8220AC6A441016D518

SHA256:

5BAC7A020F173D6C35F73D76CD3745A36564DBB3DD32F2D5FC5021C353E76A54

SSDEEP:

12288:/bkdb1vJu/xtIIcnIE9A3HfOoV+4qF2KhaLZA6H/EHagqNC9:TkdbVJupvSmHfOoaF2KhaLZTx89

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

    • Application was dropped or rewritten from another process

      • Z4U8K1S8.exe (PID: 2920)

    • Unusual execution from Microsoft Office

      • EXCEL.EXE (PID: 3000)

    • Starts CertUtil for decode files

      • EXCEL.EXE (PID: 3000)

  • SUSPICIOUS

    • Creates files in the user directory

      • certutil.exe (PID: 3500)

    • Executable content was dropped or overwritten

      • certutil.exe (PID: 3500)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • EXCEL.EXE (PID: 3000)

    • Creates files in the user directory

      • EXCEL.EXE (PID: 3000)

    • Reads Microsoft Office registry keys

      • EXCEL.EXE (PID: 3000)
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 (28.1)
.xls | Microsoft Excel sheet (26.4)
.xls | Microsoft Excel sheet (alternate) (21.5)
.doc | Microsoft Word document (old ver.) (16.7)

EXIF

FlashPix

CompObjUserType: Hoja de calculo de Microsoft Excel 2003
CompObjUserTypeLen: 40
HeadingPairs:
  • Hojas de cálculo
  • 1
TitleOfParts: Sheet1
HyperlinksChanged: No
SharedDoc: No
LinksUpToDate: No
ScaleCrop: No
AppVersion: 15
Company: -
CodePage: Unicode (UTF-8)
Security: None
ModifyDate: 2018:07:08 18:08:38
CreateDate: 2016:10:19 22:49:03
LastPrinted: 2016:12:04 23:48:47
Software: Microsoft Excel
LastModifiedBy: Пользователь Windows
Author: userr
CharCountWithSpaces: 123
Paragraphs: 1
Lines: 1
Characters: 106
Words: 18
Pages: 1
TotalEditTime: -
RevisionNumber: 1
Template: Normal
Keywords: -
Subject: -
Title: -
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start excel.exe no specs certutil.exe z4u8k1s8.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3000"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /ddeC:\Program Files\Microsoft Office\Office14\EXCEL.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Excel
Exit code:
0
Version:
14.0.6024.1000
3500certutil -decode C:\Users\admin\AppData\Roaming\Microsoft\AddIns\T1U3H6N7.txt C:\Users\admin\AppData\Roaming\Microsoft\AddIns\Z4U8K1S8.exeC:\Windows\system32\certutil.exe
EXCEL.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
CertUtil.exe
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2920C:\Users\admin\AppData\Roaming\Microsoft\AddIns\Z4U8K1S8.exeC:\Users\admin\AppData\Roaming\Microsoft\AddIns\Z4U8K1S8.exe—EXCEL.EXE
User:
admin
Company:
Simon Tatham
Integrity Level:
MEDIUM
Description:
SSH, Telnet and Rlogin client
Exit code:
0
Version:
Release 0.67
Total events
660
Read events
622
Write events
26
Delete events
12

Modification events

(PID) Process:(3000) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:writeName:hh%
Value:
68682500B80B0000010000000000000000000000
(PID) Process:(3000) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(3000) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
On
(PID) Process:(3000) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel
Operation:writeName:MTTT
Value:
B80B000048285D9699A9D40100000000
(PID) Process:(3000) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:delete valueName:hh%
Value:
68682500B80B0000010000000000000000000000
(PID) Process:(3000) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:delete keyName:
Value:
(PID) Process:(3000) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency
Operation:delete keyName:
Value:
(PID) Process:(3000) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3000) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3000) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\DocumentRecovery\19930F
Operation:writeName:19930F
Value:
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
Executable files
1
Suspicious files
1
Text files
1
Unknown types
2

Dropped files

PID
Process
Filename
Type
3000EXCEL.EXEC:\Users\admin\AppData\Local\Temp\CVR8C38.tmp.cvr —
MD5:—
SHA256:—
3000EXCEL.EXEC:\Users\admin\AppData\Local\Temp\~DF8C39CF4968113A83.TMP —
MD5:—
SHA256:—
3000EXCEL.EXEC:\Users\admin\AppData\Local\Temp\~DF23C695791E2D4A0F.TMP —
MD5:—
SHA256:—
3000EXCEL.EXEC:\Users\admin\AppData\Roaming\Microsoft\AddIns\T1U3H6N7.txttext
MD5:1B330A7F7CC348CE408C10B64C79A5E8
SHA256:4E77C794CCD2CB3A0139CE07F70E170B15BC1E618AC6959797CEC889048B5005
3000EXCEL.EXEC:\Users\admin\AppData\Local\Temp\APT28DropperExcelDoc.xlsdocument
MD5:F194526F1AB35167A9CD3F21EACCF7C1
SHA256:793A1B784335A6198EDB2832FE05E916FC10A3D4897804C9B90713479C9AB245
3000EXCEL.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\5C9AAAEE.emfemf
MD5:01C9488F9742C4A24868B7A7223BBF5A
SHA256:3BEA8295B1F6464EA417CFA969D24FDE876C33C665CE100F100FF760FC7F593C
3000EXCEL.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\5338217.emfemf
MD5:DEC597ECC19741FF34128A06737DDA59
SHA256:8999BF672ABC83D9E1975B6DF0F72FE9C262E2AFD3F04C630202F355D9E32805
3500certutil.exeC:\Users\admin\AppData\Roaming\Microsoft\AddIns\Z4U8K1S8.exeexecutable
MD5:BA78410702F0CC8453DA1AFBB2A8B670
SHA256:9F9E74241D59ECCFE7040BFDCBBCEACB374EDA397CC53A4197B59E4F6F380A91
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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APT28DropperExcelDoc.xls