Overview
overview
10Static
static
3XmS.rar
windows11-21h2-x64
40FC343C0.dll
windows11-21h2-x64
1B7091C83.dll
windows11-21h2-x64
3CbsMsg.dll
windows11-21h2-x64
1DICTS/mshwchtrIME.dll
windows11-21h2-x64
1Presentati...re.dll
windows11-21h2-x64
3Presentati...ta.dll
windows11-21h2-x64
3RUN.exe
windows11-21h2-x64
10mscorlib/S...on.dll
windows11-21h2-x64
1mscorlib/S...ne.dll
windows11-21h2-x64
1mscorlib/S...ss.dll
windows11-21h2-x64
1mscorlib/S...nt.dll
windows11-21h2-x64
1mscorlib/v...ib.dll
windows11-21h2-x64
3mscorlib/v...na.nlp
windows11-21h2-x64
3mscorlib/v...fc.nlp
windows11-21h2-x64
3mscorlib/v...fd.nlp
windows11-21h2-x64
3mscorlib/v...kc.nlp
windows11-21h2-x64
3mscorlib/v...kd.nlp
windows11-21h2-x64
3mshwkorrIME.dll
windows11-21h2-x64
1twain_32.dll
windows11-21h2-x64
3wrpintapi.dll
windows11-21h2-x64
1Analysis
-
max time kernel
95s -
max time network
112s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
10-10-2024 11:28
Static task
static1
Behavioral task
behavioral1
Sample
XmS.rar
Resource
win11-20241007-en
Behavioral task
behavioral2
Sample
0FC343C0.dll
Resource
win11-20241007-en
Behavioral task
behavioral3
Sample
B7091C83.dll
Resource
win11-20241007-en
Behavioral task
behavioral4
Sample
CbsMsg.dll
Resource
win11-20241007-en
Behavioral task
behavioral5
Sample
DICTS/mshwchtrIME.dll
Resource
win11-20241007-en
Behavioral task
behavioral6
Sample
PresentationCore/PresentationCore.dll
Resource
win11-20241007-en
Behavioral task
behavioral7
Sample
PresentationCore/System.Data.dll
Resource
win11-20241007-en
Behavioral task
behavioral8
Sample
RUN.exe
Resource
win11-20241007-en
Behavioral task
behavioral9
Sample
mscorlib/SettingsHandlers_InputPersonalization.dll
Resource
win11-20241007-en
Behavioral task
behavioral10
Sample
mscorlib/SettingsHandlers_ManagePhone.dll
Resource
win11-20241007-en
Behavioral task
behavioral11
Sample
mscorlib/SettingsHandlers_WorkAccess.dll
Resource
win11-20241007-en
Behavioral task
behavioral12
Sample
mscorlib/SettingsHandlers_nt.dll
Resource
win11-20241007-en
Behavioral task
behavioral13
Sample
mscorlib/v4.0_4.0.0.0__b77a5c561934e089/mscorlib.dll
Resource
win11-20241007-en
Behavioral task
behavioral14
Sample
mscorlib/v4.0_4.0.0.0__b77a5c561934e089/normidna.nlp
Resource
win11-20241007-en
Behavioral task
behavioral15
Sample
mscorlib/v4.0_4.0.0.0__b77a5c561934e089/normnfc.nlp
Resource
win11-20241007-en
Behavioral task
behavioral16
Sample
mscorlib/v4.0_4.0.0.0__b77a5c561934e089/normnfd.nlp
Resource
win11-20241007-en
Behavioral task
behavioral17
Sample
mscorlib/v4.0_4.0.0.0__b77a5c561934e089/normnfkc.nlp
Resource
win11-20241007-en
Behavioral task
behavioral18
Sample
mscorlib/v4.0_4.0.0.0__b77a5c561934e089/normnfkd.nlp
Resource
win11-20240802-en
Behavioral task
behavioral19
Sample
mshwkorrIME.dll
Resource
win11-20241007-en
Behavioral task
behavioral20
Sample
twain_32.dll
Resource
win11-20241007-en
Behavioral task
behavioral21
Sample
wrpintapi.dll
Resource
win11-20241007-en
General
-
Target
RUN.exe
-
Size
1.5MB
-
MD5
80fb69110342f1a031b10484ea356055
-
SHA1
70a77fd61066eaf936feec994301f1c3693c7a28
-
SHA256
7c2f43b18bb5f18cb9b8967323a3c68befff6fbf8dceae39f786e8152f493a65
-
SHA512
bfacbb61f1c68e0b4e5d7a249512f839933377acb0070d865d202947e948a7e74f84cc55618adfb34a205f8de466ee43962f087aaa27beac5d09f57497783d23
-
SSDEEP
24576:K9hSDFEfJ3HW802gQzSMZs8A+xoZYqPLYnNBa1ndKFyzqxVAPI4WTG+G0lzOp91v:K9hMFEfVHW802gQmMZs8A+uX0nNBvFy5
Malware Config
Extracted
meduza
109.107.181.162
-
anti_dbg
true
-
anti_vm
true
-
build_name
28
-
extensions
none
-
grabber_max_size
1.048576e+06
-
links
none
-
port
15666
-
self_destruct
true
Signatures
-
Meduza Stealer payload 6 IoCs
resource yara_rule behavioral8/memory/2372-5-0x0000000140000000-0x000000014010F000-memory.dmp family_meduza behavioral8/memory/2372-7-0x0000000140000000-0x000000014010F000-memory.dmp family_meduza behavioral8/memory/2372-9-0x0000000140000000-0x000000014010F000-memory.dmp family_meduza behavioral8/memory/2372-3-0x0000000140000000-0x000000014010F000-memory.dmp family_meduza behavioral8/memory/2372-18-0x0000000140000000-0x000000014010F000-memory.dmp family_meduza behavioral8/memory/2372-19-0x0000000140000000-0x000000014010F000-memory.dmp family_meduza -
Loads dropped DLL 1 IoCs
pid Process 3472 RUN.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RUN.exe Key opened \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RUN.exe Key opened \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RUN.exe Key opened \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RUN.exe Key opened \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RUN.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 api.ipify.org 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3472 set thread context of 2372 3472 RUN.exe 78 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3180 cmd.exe 224 PING.EXE -
Modifies registry class 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix BackgroundTransferHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" BackgroundTransferHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" BackgroundTransferHost.exe Key created \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\MuiCache BackgroundTransferHost.exe -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\a.exe:extractor.dll RUN.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 224 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2372 RUN.exe 2372 RUN.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 3472 wrote to memory of 2372 3472 RUN.exe 78 PID 2372 wrote to memory of 3180 2372 RUN.exe 79 PID 2372 wrote to memory of 3180 2372 RUN.exe 79 PID 3180 wrote to memory of 224 3180 cmd.exe 81 PID 3180 wrote to memory of 224 3180 cmd.exe 81 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RUN.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RUN.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\RUN.exe"C:\Users\Admin\AppData\Local\Temp\RUN.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:3472 -
C:\Users\Admin\AppData\Local\Temp\RUN.exe"C:\Users\Admin\AppData\Local\Temp\RUN.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2372 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\RUN.exe"3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3180 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:224
-
-
-
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.131⤵
- Modifies registry class
PID:2964
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3448
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\d81c2f8a-18bc-4bf5-8f8f-50f52aa16fd1.down_data
Filesize555KB
MD55683c0028832cae4ef93ca39c8ac5029
SHA1248755e4e1db552e0b6f8651b04ca6d1b31a86fb
SHA256855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e
SHA512aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3
-
Filesize
1.2MB
MD5c28352a57edbeefd21aaa2d0e435c8bc
SHA140b3a04de7a16a5cf46418776a02f452bc4e97d2
SHA256d104cfa64890074d2921f29e164d6d16576b540217597ea961ff668f1f901aa4
SHA512a4f7f32206bd2a46d7f7fe5b8035e41e10af68fdbb712916464a1d6073c2b308b8a7c449369b0197a28c47066f02c4f164fc6444b9044077b13d62d93a462b50