Overview
overview
10Static
static
10MailRanger...YZ.txt
windows10-2004-x64
1MailRanger...YZ.txt
windows11-21h2-x64
3MailRanger...er.exe
windows10-2004-x64
7MailRanger...er.exe
windows11-21h2-x64
7MailRanger.pyc
windows10-2004-x64
3MailRanger.pyc
windows11-21h2-x64
3MailRanger...te.exe
windows10-2004-x64
10MailRanger...te.exe
windows11-21h2-x64
10MailRanger...r2.ini
windows10-2004-x64
1MailRanger...r2.ini
windows11-21h2-x64
3MailRanger...!!.txt
windows10-2004-x64
1MailRanger...!!.txt
windows11-21h2-x64
3MailRanger/ServerList
windows10-2004-x64
1MailRanger/ServerList
windows11-21h2-x64
1MailRanger..._1.mp4
windows10-2004-x64
6MailRanger..._1.mp4
windows11-21h2-x64
6MailRanger...es.txt
windows10-2004-x64
1MailRanger...es.txt
windows11-21h2-x64
3Analysis
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max time kernel
84s -
max time network
99s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
13-08-2024 21:06
Behavioral task
behavioral1
Sample
MailRanger/237K HQ Skull.XYZ.txt
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
MailRanger/237K HQ Skull.XYZ.txt
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
MailRanger/MailRanger.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
MailRanger/MailRanger.exe
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
MailRanger.pyc
Resource
win10v2004-20240802-en
Behavioral task
behavioral6
Sample
MailRanger.pyc
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
MailRanger/MailUpdate.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral8
Sample
MailRanger/MailUpdate.exe
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
MailRanger/Mailranger2.ini
Resource
win10v2004-20240802-en
Behavioral task
behavioral10
Sample
MailRanger/Mailranger2.ini
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
MailRanger/Przeczytaj!!!!.txt
Resource
win10v2004-20240802-en
Behavioral task
behavioral12
Sample
MailRanger/Przeczytaj!!!!.txt
Resource
win11-20240802-en
Behavioral task
behavioral13
Sample
MailRanger/ServerList
Resource
win10v2004-20240802-en
Behavioral task
behavioral14
Sample
MailRanger/ServerList
Resource
win11-20240802-en
Behavioral task
behavioral15
Sample
MailRanger/how to mail_1.mp4
Resource
win10v2004-20240802-en
Behavioral task
behavioral16
Sample
MailRanger/how to mail_1.mp4
Resource
win11-20240802-en
Behavioral task
behavioral17
Sample
MailRanger/socks4_proxies.txt
Resource
win10v2004-20240802-en
Behavioral task
behavioral18
Sample
MailRanger/socks4_proxies.txt
Resource
win11-20240802-en
General
-
Target
MailRanger/Przeczytaj!!!!.txt
-
Size
867B
-
MD5
d140a8df31fcb29ddeed617863e74e4c
-
SHA1
8488f312855cce2422133364e7ec9af84c1ec4a3
-
SHA256
736956270904a1bbfafe5c6491f04ed0519c4641051a6a1fa190f5c68d3301e8
-
SHA512
2bdead276770043ba5138ad79627d79b110f2defcf76aa6cbf8da74abfb182b3487677370bd8adae59b85993a0876c9ac3caced0b61b01d88410f10fd9353da8
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2227988167-2813779459-4240799794-1000_Classes\Local Settings cmd.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3532 wrote to memory of 1744 3532 cmd.exe 82 PID 3532 wrote to memory of 1744 3532 cmd.exe 82
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\MailRanger\Przeczytaj!!!!.txt1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\MailRanger\Przeczytaj!!!!.txt2⤵PID:1744
-