Overview
overview
10Static
static
3attachments.zip
windows7-x64
1attachments.zip
windows10-2004-x64
1226350194-...64.rar
windows7-x64
10226350194-...64.rar
windows10-2004-x64
7226350194-...64.exe
windows7-x64
10226350194-...64.exe
windows10-2004-x64
10Civilhorto...ng.sko
windows7-x64
3Civilhorto...ng.sko
windows10-2004-x64
3Ejerkredse...31.don
windows7-x64
3Ejerkredse...31.don
windows10-2004-x64
3Ejerkredse...ng.ps1
windows7-x64
8Ejerkredse...ng.ps1
windows10-2004-x64
8Sudsers34/...se.ant
windows7-x64
3Sudsers34/...se.ant
windows10-2004-x64
3Sudsers34/...ns.oxo
windows7-x64
3Sudsers34/...ns.oxo
windows10-2004-x64
3Telekablet...st.txt
windows7-x64
1Telekablet...st.txt
windows10-2004-x64
1Analysis
-
max time kernel
122s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07/03/2024, 13:15
Static task
static1
Behavioral task
behavioral1
Sample
attachments.zip
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
attachments.zip
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
226350194-050944-sanlccjavap0003-11764.rar
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
226350194-050944-sanlccjavap0003-11764.rar
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
226350194-050944-sanlccjavap0003-11764.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
226350194-050944-sanlccjavap0003-11764.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
Civilhortonoms/Dyretmmersken/Mealybug/Laesning.sko
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
Civilhortonoms/Dyretmmersken/Mealybug/Laesning.sko
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
Ejerkredsen/Lulledes/Filateliens31.don
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
Ejerkredsen/Lulledes/Filateliens31.don
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
Ejerkredsen/Lulledes/Preconizing.ps1
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
Ejerkredsen/Lulledes/Preconizing.ps1
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
Sudsers34/Neoterist/Opslagsbindenes/Oplivelse/indsigelse.ant
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
Sudsers34/Neoterist/Opslagsbindenes/Oplivelse/indsigelse.ant
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
Sudsers34/Neoterist/Opslagsbindenes/Oplivelse/smreostens.oxo
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
Sudsers34/Neoterist/Opslagsbindenes/Oplivelse/smreostens.oxo
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
Telekablets/krakileres/miditest/Herpetotomist.txt
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
Telekablets/krakileres/miditest/Herpetotomist.txt
Resource
win10v2004-20240226-en
General
-
Target
Sudsers34/Neoterist/Opslagsbindenes/Oplivelse/smreostens.oxo
-
Size
5KB
-
MD5
59b98e0096076c214b314c35cd023764
-
SHA1
1483583c252be4ff9d3b7bbbb1fa773138fbcf8f
-
SHA256
0973275a70b8ce3a128ad1528b15d08052ba000b538ff4a4dba0c02d1b0935fd
-
SHA512
9c3c5ec7565929f7086cb760a8a0646c01aa59c94769b977de6c1cc05070016f0a8db4ca6d06b08c899a59b41e0f787551077e7ddd479fe8f2ba8c5c60f4ac36
-
SSDEEP
96:a825gt+h2/Df7TJRquQOlZjGs9tFgcNYQ0OKurcDImCR:a/5gt+GfXJYuLZjG4XN9nKuBR
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\oxo_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\oxo_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\oxo_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.oxo\ = "oxo_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\oxo_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.oxo rundll32.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\oxo_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\oxo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2584 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2584 AcroRd32.exe 2584 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3040 wrote to memory of 2544 3040 cmd.exe 28 PID 3040 wrote to memory of 2544 3040 cmd.exe 28 PID 3040 wrote to memory of 2544 3040 cmd.exe 28 PID 2544 wrote to memory of 2584 2544 rundll32.exe 29 PID 2544 wrote to memory of 2584 2544 rundll32.exe 29 PID 2544 wrote to memory of 2584 2544 rundll32.exe 29 PID 2544 wrote to memory of 2584 2544 rundll32.exe 29
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Sudsers34\Neoterist\Opslagsbindenes\Oplivelse\smreostens.oxo1⤵
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Sudsers34\Neoterist\Opslagsbindenes\Oplivelse\smreostens.oxo2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Sudsers34\Neoterist\Opslagsbindenes\Oplivelse\smreostens.oxo"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2584
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3KB
MD503315a9bc22f59ba6916e8d0577dc58e
SHA1340c36292298354f105c641ca9a8656d81e288fb
SHA25676fd4bcde22c757a06573c84bc529890dbe3378b251b97f38dcc138beb9e220a
SHA512f0d4d5c5bf20028acd39479d9e693b51be8a66ee3ea7f7745de0efd0bd3a0cff26833899d89bfe1bbb0b267d3558bb011b89481e59d45c130d82f2f8e932575d