Overview
overview
3Static
static
3AlphaBlendTextBox.dll
windows7-x64
1AlphaBlendTextBox.dll
windows10-2004-x64
1Bunifu_UI_v1.5.3.dll
windows7-x64
1Bunifu_UI_v1.5.3.dll
windows10-2004-x64
1RC7_UI.exe
windows7-x64
3RC7_UI.exe
windows10-2004-x64
3rc7/AlphaB...ox.dll
windows7-x64
1rc7/AlphaB...ox.dll
windows10-2004-x64
1rc7/Bunifu....3.dll
windows7-x64
1rc7/Bunifu....3.dll
windows10-2004-x64
1rc7/Monaco.html
windows7-x64
3rc7/Monaco.html
windows10-2004-x64
3rc7/MonacoEditor.html
windows7-x64
3rc7/MonacoEditor.html
windows10-2004-x64
3rc7/RC7_UI.exe
windows7-x64
3rc7/RC7_UI.exe
windows10-2004-x64
3rc7/sxlib.dll
windows7-x64
3rc7/sxlib.dll
windows10-2004-x64
3rc7/vs/bas...ain.js
windows7-x64
3rc7/vs/bas...ain.js
windows10-2004-x64
3rc7/vs/bas...bat.js
windows7-x64
3rc7/vs/bas...bat.js
windows10-2004-x64
3rc7/vs/bas...fee.js
windows7-x64
3rc7/vs/bas...fee.js
windows10-2004-x64
3rc7/vs/bas...cpp.js
windows7-x64
3rc7/vs/bas...cpp.js
windows10-2004-x64
3rc7/vs/bas...arp.js
windows7-x64
3rc7/vs/bas...arp.js
windows10-2004-x64
3rc7/vs/bas...csp.js
windows7-x64
3rc7/vs/bas...csp.js
windows10-2004-x64
3rc7/vs/bas...css.js
windows7-x64
3rc7/vs/bas...css.js
windows10-2004-x64
3Analysis
-
max time kernel
122s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
25-07-2024 11:31
Static task
static1
Behavioral task
behavioral1
Sample
AlphaBlendTextBox.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
AlphaBlendTextBox.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
Bunifu_UI_v1.5.3.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
Bunifu_UI_v1.5.3.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
RC7_UI.exe
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
RC7_UI.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral7
Sample
rc7/AlphaBlendTextBox.dll
Resource
win7-20240705-en
Behavioral task
behavioral8
Sample
rc7/AlphaBlendTextBox.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral9
Sample
rc7/Bunifu_UI_v1.5.3.dll
Resource
win7-20240705-en
Behavioral task
behavioral10
Sample
rc7/Bunifu_UI_v1.5.3.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral11
Sample
rc7/Monaco.html
Resource
win7-20240705-en
Behavioral task
behavioral12
Sample
rc7/Monaco.html
Resource
win10v2004-20240709-en
Behavioral task
behavioral13
Sample
rc7/MonacoEditor.html
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
rc7/MonacoEditor.html
Resource
win10v2004-20240709-en
Behavioral task
behavioral15
Sample
rc7/RC7_UI.exe
Resource
win7-20240705-en
Behavioral task
behavioral16
Sample
rc7/RC7_UI.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral17
Sample
rc7/sxlib.dll
Resource
win7-20240705-en
Behavioral task
behavioral18
Sample
rc7/sxlib.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral19
Sample
rc7/vs/base/worker/workerMain.js
Resource
win7-20240704-en
Behavioral task
behavioral20
Sample
rc7/vs/base/worker/workerMain.js
Resource
win10v2004-20240709-en
Behavioral task
behavioral21
Sample
rc7/vs/basic-languages/bat/bat.js
Resource
win7-20240704-en
Behavioral task
behavioral22
Sample
rc7/vs/basic-languages/bat/bat.js
Resource
win10v2004-20240709-en
Behavioral task
behavioral23
Sample
rc7/vs/basic-languages/coffee/coffee.js
Resource
win7-20240704-en
Behavioral task
behavioral24
Sample
rc7/vs/basic-languages/coffee/coffee.js
Resource
win10v2004-20240709-en
Behavioral task
behavioral25
Sample
rc7/vs/basic-languages/cpp/cpp.js
Resource
win7-20240704-en
Behavioral task
behavioral26
Sample
rc7/vs/basic-languages/cpp/cpp.js
Resource
win10v2004-20240709-en
Behavioral task
behavioral27
Sample
rc7/vs/basic-languages/csharp/csharp.js
Resource
win7-20240705-en
Behavioral task
behavioral28
Sample
rc7/vs/basic-languages/csharp/csharp.js
Resource
win10v2004-20240709-en
Behavioral task
behavioral29
Sample
rc7/vs/basic-languages/csp/csp.js
Resource
win7-20240705-en
Behavioral task
behavioral30
Sample
rc7/vs/basic-languages/csp/csp.js
Resource
win10v2004-20240709-en
Behavioral task
behavioral31
Sample
rc7/vs/basic-languages/css/css.js
Resource
win7-20240708-en
Behavioral task
behavioral32
Sample
rc7/vs/basic-languages/css/css.js
Resource
win10v2004-20240709-en
General
-
Target
rc7/sxlib.dll
-
Size
730KB
-
MD5
9af2ced06e85829386be170da55b027b
-
SHA1
2c88fc72d8a347e6fb59199262092c2d1d38afba
-
SHA256
caee9ebe263b05fac66e27af5866b3d41e8c1325cfc90a82a0c977007a4a8a4d
-
SHA512
81fd9c3346b375a2fcaa910c3934bff445c7a4a891dd956eaf91e6f92f5478699d1c271324f857ee18c4e626670a46073bddf98c511dc72a1a18d62cde92ee05
-
SSDEEP
12288:dlGRjX5RpQm5k+Su/vP4FiN/LYrubSBz0pe7fEizVkaW2zNsn5z1F64sxM:EuU4picrPzOiRkaFNsno4EM
Malware Config
Signatures
-
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.
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 2852 wrote to memory of 2024 2852 rundll32.exe 30 PID 2852 wrote to memory of 2024 2852 rundll32.exe 30 PID 2852 wrote to memory of 2024 2852 rundll32.exe 30 PID 2852 wrote to memory of 2024 2852 rundll32.exe 30 PID 2852 wrote to memory of 2024 2852 rundll32.exe 30 PID 2852 wrote to memory of 2024 2852 rundll32.exe 30 PID 2852 wrote to memory of 2024 2852 rundll32.exe 30
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\rc7\sxlib.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\rc7\sxlib.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2024
-