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
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-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
.data
-
Size
512B
-
MD5
014871d9a00f0e0c8c2a7cd25606c453
-
SHA1
92d7e0d8d66861f702d867dac616b7d02bca94ec
-
SHA256
637a3943c555de3601588a8398252a905d18c17f9d49f750b812daa630abac68
-
SHA512
3f1e945759614a0e0ee05d8cc7c9d3a9f0b2954f64c173dd8f755d6b422c0b2f1f7a5c3af8aa54f3c6909de65c125e048dd8d17ee55da3989c4b2c807d83874c
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2784 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2784 AcroRd32.exe 2784 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2132 wrote to memory of 308 2132 cmd.exe 31 PID 2132 wrote to memory of 308 2132 cmd.exe 31 PID 2132 wrote to memory of 308 2132 cmd.exe 31 PID 308 wrote to memory of 2784 308 rundll32.exe 33 PID 308 wrote to memory of 2784 308 rundll32.exe 33 PID 308 wrote to memory of 2784 308 rundll32.exe 33 PID 308 wrote to memory of 2784 308 rundll32.exe 33
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\.data1⤵
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\.data2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:308 -
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\.data"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2784
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5bb159d2df688b340ba88cc75c38b1572
SHA1c468047c742197c024c76f17421a2451d7f7c3f6
SHA256d84017ba8fa04690015f857fbcd258eb10ccdb8f337c0ba70083ae4b021a3773
SHA512e755e84f7fe221d0bc29943cf8a98c4d1d988a3ca75af6bba25e5346e212d23b31be1e6e9914225a22ccefc8d4d7bd5b895f83726e8595b7c635e37f6aaf6137