Overview
overview
10Static
static
1bleoso.exe
windows7-x64
7bleoso.exe
windows10-2004-x64
10.data
windows7-x64
3.data
windows10-2004-x64
3.rdata
windows7-x64
3.rdata
windows10-2004-x64
3.reloc
windows7-x64
3.reloc
windows10-2004-x64
3.rsrc/DIALOG/105
windows7-x64
1.rsrc/DIALOG/105
windows10-2004-x64
1.rsrc/DIALOG/106
windows7-x64
1.rsrc/DIALOG/106
windows10-2004-x64
1.rsrc/DIALOG/111
windows7-x64
1.rsrc/DIALOG/111
windows10-2004-x64
1.rsrc/GROUP_ICON/103
windows7-x64
1.rsrc/GROUP_ICON/103
windows10-2004-x64
1.rsrc/ICON/1.png
windows7-x64
3.rsrc/ICON/1.png
windows10-2004-x64
3.rsrc/ICON/2.png
windows7-x64
3.rsrc/ICON/2.png
windows10-2004-x64
3.rsrc/MANIFEST/1.xml
windows7-x64
3.rsrc/MANIFEST/1.xml
windows10-2004-x64
1.text
windows7-x64
3.text
windows10-2004-x64
3CERTIFICATE
windows7-x64
1CERTIFICATE
windows10-2004-x64
1[0]
windows7-x64
1[0]
windows10-2004-x64
1[1]
windows7-x64
1[1]
windows10-2004-x64
1Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
07-01-2025 19:32
Static task
static1
Behavioral task
behavioral1
Sample
bleoso.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
bleoso.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
.data
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
.data
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
.rdata
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
.rdata
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
.reloc
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
.reloc
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
.rsrc/DIALOG/105
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
.rsrc/DIALOG/105
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
.rsrc/DIALOG/106
Resource
win7-20241010-en
Behavioral task
behavioral12
Sample
.rsrc/DIALOG/106
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
.rsrc/DIALOG/111
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
.rsrc/DIALOG/111
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
.rsrc/GROUP_ICON/103
Resource
win7-20241010-en
Behavioral task
behavioral16
Sample
.rsrc/GROUP_ICON/103
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
.rsrc/ICON/1.png
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
.rsrc/ICON/1.png
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
.rsrc/ICON/2.png
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
.rsrc/ICON/2.png
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
.rsrc/MANIFEST/1.xml
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
.rsrc/MANIFEST/1.xml
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
.text
Resource
win7-20240729-en
Behavioral task
behavioral24
Sample
.text
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
CERTIFICATE
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
CERTIFICATE
Resource
win10v2004-20241007-en
Behavioral task
behavioral27
Sample
[0]
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
[0]
Resource
win10v2004-20241007-en
Behavioral task
behavioral29
Sample
[1]
Resource
win7-20240708-en
Behavioral task
behavioral30
Sample
[1]
Resource
win10v2004-20241007-en
General
-
Target
.text
-
Size
27KB
-
MD5
00499a6f70259150109c809d6aa0e6ed
-
SHA1
3f4c995439cec283f1f51d71acb1f25bef740b63
-
SHA256
6cbf0a221c26d69af8cab6a9925b0b331082df7f79d671fafe3f4942145c76a3
-
SHA512
bad533ac5b9872c345212e7d70e23ab02dfa73b42882f76b45448d0a238afd1773e60ad755102a6d7b978af30acd78b0283b7f7f45c2cea9eacf869ea787a87d
-
SSDEEP
768:ZSuEBr5TxZ3ILakH+MQTbTf1YK5dEde6w4tKmc3K1RHpuiCYy:BErPZ3IBZcbTfu1HlrJFCP
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-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1440 wrote to memory of 2812 1440 cmd.exe 31 PID 1440 wrote to memory of 2812 1440 cmd.exe 31 PID 1440 wrote to memory of 2812 1440 cmd.exe 31 PID 2812 wrote to memory of 2784 2812 rundll32.exe 33 PID 2812 wrote to memory of 2784 2812 rundll32.exe 33 PID 2812 wrote to memory of 2784 2812 rundll32.exe 33
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\.text1⤵
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\.text2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\.text3⤵PID:2784
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-