Overview
overview
7Static
static
7DreamMail4...er.exe
windows7-x64
1DreamMail4...er.exe
windows10-2004-x64
1DreamMail4/DM2005.exe
windows7-x64
6DreamMail4/DM2005.exe
windows10-2004-x64
3DreamMail4...rce.gb
windows7-x64
3DreamMail4...rce.gb
windows10-2004-x64
3DreamMail4...rce.pl
windows7-x64
3DreamMail4...rce.pl
windows10-2004-x64
3DreamMail4/Readme.rtf
windows7-x64
4DreamMail4/Readme.rtf
windows10-2004-x64
1DreamMail4...e.html
windows7-x64
1DreamMail4...e.html
windows10-2004-x64
1DreamMail4...c.html
windows7-x64
1DreamMail4...c.html
windows10-2004-x64
1DreamMail4...ed.exe
windows7-x64
1DreamMail4...ed.exe
windows10-2004-x64
1DreamMail4...or.dll
windows7-x64
1DreamMail4...or.dll
windows10-2004-x64
1DreamMail4...ib.dll
windows7-x64
3DreamMail4...ib.dll
windows10-2004-x64
3DreamMail4...ib.dll
windows7-x64
3DreamMail4...ib.dll
windows10-2004-x64
3DreamMail4...pi.dll
windows7-x64
3DreamMail4...pi.dll
windows10-2004-x64
3DreamMail4...er.dll
windows7-x64
3DreamMail4...er.dll
windows10-2004-x64
3DreamMail4...ib.dll
windows7-x64
1DreamMail4...ib.dll
windows10-2004-x64
1DreamMail4...d.html
windows7-x64
1DreamMail4...d.html
windows10-2004-x64
1DreamMail4...In.dll
windows7-x64
1DreamMail4...In.dll
windows10-2004-x64
1Analysis
- max time kernel
141s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
28/02/2024, 18:47
Behavioral task
behavioral1
Sample
DreamMail4/AddIns/WinmailReader.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
DreamMail4/AddIns/WinmailReader.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
DreamMail4/DM2005.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
DreamMail4/DM2005.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
DreamMail4/Language/Resource.gb
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
DreamMail4/Language/Resource.gb
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
DreamMail4/Language/Resource.pl
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
DreamMail4/Language/Resource.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
DreamMail4/Readme.rtf
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
DreamMail4/Readme.rtf
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
DreamMail4/Rss/ListTree.html
Resource
win7-20240215-en
Behavioral task
behavioral12
Sample
DreamMail4/Rss/ListTree.html
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
DreamMail4/Rss/RssBasic.html
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
DreamMail4/Rss/RssBasic.html
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
DreamMail4/Sys/AccessFixed.exe
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
DreamMail4/Sys/AccessFixed.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
DreamMail4/Sys/DbCreator.dll
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
DreamMail4/Sys/DbCreator.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
DreamMail4/Sys/DmLib.dll
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
DreamMail4/Sys/DmLib.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
DreamMail4/Sys/DmLib.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
DreamMail4/Sys/DmLib.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
DreamMail4/Sys/DmMapi.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
DreamMail4/Sys/DmMapi.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
DreamMail4/Sys/IPSearcher.dll
Resource
win7-20240220-en
Behavioral task
behavioral26
Sample
DreamMail4/Sys/IPSearcher.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
DreamMail4/Sys/KsDHTMLEDLib.dll
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
DreamMail4/Sys/KsDHTMLEDLib.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
DreamMail4/Sys/NameCard.html
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
DreamMail4/Sys/NameCard.html
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
DreamMail4/Sys/OfficeAddIn.dll
Resource
win7-20240215-en
Behavioral task
behavioral32
Sample
DreamMail4/Sys/OfficeAddIn.dll
Resource
win10v2004-20240226-en
General
- Target DreamMail4/Language/Resource.gb
- Size 202KB
- Sample240228-xfbfvsbc98
- SHA256 ae781ad62f512407c25c37aebadf058c4f754e869b5237276170cad910d91007
- MD5 22be82df4a0527397acc9134ab34644c
- SHA1 17539acbce318cf12c4370db52b9988ec1837923
- SHA512 1455061b271a1de7acb47e5eee2525bbf8272f89e944320e92fc6acc9453314744ba371fbd324a6a5a4ccb268f2a734b6ada8a7cce68d574e4e2ef3ddfa6f6e0
- SSDEEP 3072:AWd95zU0PTzGt9sz0l3HlvX1ObNvszqn/LGGT33FlmRWEUBy8yKgWq:Vd95zNzuszuHlxELGGr7mRa2
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3848 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\DreamMail4\Language\Resource.gb1⤵
- Modifies registry class
PID:888
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3848
-
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 --no-appcompat-clear --mojo-platform-channel-handle=4440 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:81⤵PID:1516