Overview
overview
8Static
static
1AutoMail/AutoMail.exe
windows7-x64
3AutoMail/AutoMail.exe
windows10-2004-x64
3AutoMail/S...g.html
windows7-x64
3AutoMail/S...g.html
windows10-2004-x64
3AutoMail/automail.chm
windows7-x64
1AutoMail/automail.chm
windows10-2004-x64
1AutoMail/mx9x.dll
windows7-x64
8AutoMail/mx9x.dll
windows10-2004-x64
8AutoMail/mxxp.dll
windows7-x64
3AutoMail/mxxp.dll
windows10-2004-x64
3AutoMail/sample.bat
windows7-x64
1AutoMail/sample.bat
windows10-2004-x64
1AutoMail/smtpsend.dll
windows7-x64
3AutoMail/smtpsend.dll
windows10-2004-x64
3Analysis
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max time kernel
124s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29/09/2024, 11:06
Static task
static1
Behavioral task
behavioral1
Sample
AutoMail/AutoMail.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
AutoMail/AutoMail.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
AutoMail/SampleHTMLMsg.html
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
AutoMail/SampleHTMLMsg.html
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
AutoMail/automail.chm
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
AutoMail/automail.chm
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
AutoMail/mx9x.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
AutoMail/mx9x.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
AutoMail/mxxp.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
AutoMail/mxxp.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
AutoMail/sample.bat
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
AutoMail/sample.bat
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
AutoMail/smtpsend.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
AutoMail/smtpsend.dll
Resource
win10v2004-20240802-en
General
-
Target
AutoMail/mx9x.dll
-
Size
64KB
-
MD5
bab8471a1c71739b935ec2754a5956a4
-
SHA1
6ad1aee2d1b4c45c1634516f6f5189d5e33d3643
-
SHA256
b3c1aca97c64b64c279ddef881ca340e9d12ae5da269780aad806f7370ca76ec
-
SHA512
6a21ab6013fdf001b9b915bf86600f858b40a84b62cd994530177fd196a6cf9afa7e93d6825e6338c3ab3824d0e21c9d62cf19e1a95a8526d7925918a56a27f7
-
SSDEEP
1536:hoNNNrKuRFBzYLKQ9AtAFip1DG5qUGjKFT3T+V3:houuRFBzYLVipM5qUcK9yl
Malware Config
Signatures
-
Blocklisted process makes network request 1 IoCs
flow pid Process 4 2808 rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4156 2808 WerFault.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1500 wrote to memory of 2808 1500 rundll32.exe 89 PID 1500 wrote to memory of 2808 1500 rundll32.exe 89 PID 1500 wrote to memory of 2808 1500 rundll32.exe 89
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoMail\mx9x.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoMail\mx9x.dll,#12⤵
- Blocklisted process makes network request
- System Location Discovery: System Language Discovery
PID:2808 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 7923⤵
- Program crash
PID:4156
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2808 -ip 28081⤵PID:4480
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3036,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:81⤵PID:732