Overview
overview
8Static
static
8OFFICE2016...ui.msi
windows7-x64
6OFFICE2016...ui.msi
windows10-2004-x64
6OFFICE2016...es.dll
windows7-x64
1OFFICE2016...es.dll
windows10-2004-x64
1OFFICE2016...es.dll
windows7-x64
1OFFICE2016...es.dll
windows10-2004-x64
1OFFICE2016...es.dll
windows7-x64
1OFFICE2016...es.dll
windows10-2004-x64
1OFFICE2016...es.dll
windows7-x64
1OFFICE2016...es.dll
windows10-2004-x64
1OFFICE2016...es.dll
windows7-x64
1OFFICE2016...es.dll
windows10-2004-x64
1OFFICE2016...ct.dll
windows7-x64
1OFFICE2016...ct.dll
windows10-2004-x64
3OFFICE2016...ca.dll
windows7-x64
1OFFICE2016...ca.dll
windows10-2004-x64
1OFFICE2016...es.dll
windows7-x64
1OFFICE2016...es.dll
windows10-2004-x64
1OFFICE2016...es.dll
windows7-x64
1OFFICE2016...es.dll
windows10-2004-x64
1OFFICE2016...es.dll
windows7-x64
1OFFICE2016...es.dll
windows10-2004-x64
1OFFICE2016...es.dll
windows7-x64
1OFFICE2016...es.dll
windows10-2004-x64
1OFFICE2016...ui.msi
windows7-x64
6OFFICE2016...ui.msi
windows10-2004-x64
6OFFICE2016...ui.msi
windows7-x64
6OFFICE2016...ui.msi
windows10-2004-x64
OFFICE2016...ui.msi
windows7-x64
6OFFICE2016...ui.msi
windows10-2004-x64
6OFFICE2016/leame.htm
windows7-x64
1OFFICE2016/leame.htm
windows10-2004-x64
1Analysis
-
max time kernel
149s -
max time network
190s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
23-04-2024 23:00
Behavioral task
behavioral1
Sample
OFFICE2016/access.es-es/accessmui.msi
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
OFFICE2016/access.es-es/accessmui.msi
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
OFFICE2016/admin/en-us/octres.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
OFFICE2016/admin/en-us/octres.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
OFFICE2016/admin/es-es/octres.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
OFFICE2016/admin/es-es/octres.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral7
Sample
OFFICE2016/admin/fr-fr/octres.dll
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
OFFICE2016/admin/fr-fr/octres.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
OFFICE2016/admin/it-it/octres.dll
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
OFFICE2016/admin/it-it/octres.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral11
Sample
OFFICE2016/admin/ja-jp/octres.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
OFFICE2016/admin/ja-jp/octres.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral13
Sample
OFFICE2016/admin/oct.dll
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
OFFICE2016/admin/oct.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral15
Sample
OFFICE2016/admin/octca.dll
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
OFFICE2016/admin/octca.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
OFFICE2016/admin/pt-br/octres.dll
Resource
win7-20240215-en
Behavioral task
behavioral18
Sample
OFFICE2016/admin/pt-br/octres.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral19
Sample
OFFICE2016/admin/ru-ru/octres.dll
Resource
win7-20240220-en
Behavioral task
behavioral20
Sample
OFFICE2016/admin/ru-ru/octres.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral21
Sample
OFFICE2016/admin/zh-cn/octres.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
OFFICE2016/admin/zh-cn/octres.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral23
Sample
OFFICE2016/admin/zh-tw/octres.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
OFFICE2016/admin/zh-tw/octres.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
OFFICE2016/dcf.es-es/dcfmui.msi
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
OFFICE2016/dcf.es-es/dcfmui.msi
Resource
win10v2004-20240412-en
Behavioral task
behavioral27
Sample
OFFICE2016/excel.es-es/excelmui.msi
Resource
win7-20240220-en
Behavioral task
behavioral28
Sample
OFFICE2016/excel.es-es/excelmui.msi
Resource
win10v2004-20240412-en
Behavioral task
behavioral29
Sample
OFFICE2016/groove.es-es/groovemui.msi
Resource
win7-20240215-en
Behavioral task
behavioral30
Sample
OFFICE2016/groove.es-es/groovemui.msi
Resource
win10v2004-20240412-en
Behavioral task
behavioral31
Sample
OFFICE2016/leame.htm
Resource
win7-20240220-en
Behavioral task
behavioral32
Sample
OFFICE2016/leame.htm
Resource
win10v2004-20240226-en
General
-
Target
OFFICE2016/admin/oct.dll
-
Size
4.8MB
-
MD5
218cf4adced2c05d969563cbc483510a
-
SHA1
8e52ff08de41440218423149d2aad6873295380b
-
SHA256
cc8e03eb9dd7b89b92b7e60d59478c6a7697e825438290de8aa6acc02bab0174
-
SHA512
7468e47bb11a64036fa6afb7a1236ca69aa8c203881fecaae5af78fa6d9dd23045911cb24820a3a1318c835656dcd90f586060d453a02925d6b6137c979f68e8
-
SSDEEP
49152:G1Foq7ClKhuTe6A42iMXwTJMUI/VO/dLZwUziV5T31R1ayMJY4F8OTF+0:G1F+KUe6DIQ/biPcY8
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 5084 3236 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4884 wrote to memory of 3236 4884 rundll32.exe rundll32.exe PID 4884 wrote to memory of 3236 4884 rundll32.exe rundll32.exe PID 4884 wrote to memory of 3236 4884 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\OFFICE2016\admin\oct.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\OFFICE2016\admin\oct.dll,#12⤵PID:3236
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 7163⤵
- Program crash
PID:5084
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3236 -ip 32361⤵PID:1720