Overview
overview
7Static
static
3idle_maste....5.zip
windows7-x64
7idle_maste....5.zip
windows10-2004-x64
1idle_maste...ck.dll
windows7-x64
1idle_maste...ck.dll
windows10-2004-x64
1idle_maste...er.exe
windows7-x64
3idle_maste...er.exe
windows10-2004-x64
3idle_maste...xe.xml
windows7-x64
3idle_maste...xe.xml
windows10-2004-x64
1idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3idle_maste...es.dll
windows7-x64
3idle_maste...es.dll
windows10-2004-x64
3Analysis
-
max time kernel
119s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-01-2025 13:50
Static task
static1
Behavioral task
behavioral1
Sample
idle_master_extended_v1.5.zip
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
idle_master_extended_v1.5.zip
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
idle_master_extended_v1.5/HtmlAgilityPack.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
idle_master_extended_v1.5/HtmlAgilityPack.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
idle_master_extended_v1.5/IdleMaster.exe
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
idle_master_extended_v1.5/IdleMaster.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
idle_master_extended_v1.5/IdleMaster.exe.xml
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
idle_master_extended_v1.5/IdleMaster.exe.xml
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
idle_master_extended_v1.5/Languages/cs/IdleMaster.resources.dll
Resource
win7-20241010-en
Behavioral task
behavioral10
Sample
idle_master_extended_v1.5/Languages/cs/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
idle_master_extended_v1.5/Languages/de/IdleMaster.resources.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
idle_master_extended_v1.5/Languages/de/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
idle_master_extended_v1.5/Languages/el/IdleMaster.resources.dll
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
idle_master_extended_v1.5/Languages/el/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
idle_master_extended_v1.5/Languages/es/IdleMaster.resources.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
idle_master_extended_v1.5/Languages/es/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
idle_master_extended_v1.5/Languages/fi/IdleMaster.resources.dll
Resource
win7-20241023-en
Behavioral task
behavioral18
Sample
idle_master_extended_v1.5/Languages/fi/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
idle_master_extended_v1.5/Languages/fr/IdleMaster.resources.dll
Resource
win7-20240729-en
Behavioral task
behavioral20
Sample
idle_master_extended_v1.5/Languages/fr/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
idle_master_extended_v1.5/Languages/hu/IdleMaster.resources.dll
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
idle_master_extended_v1.5/Languages/hu/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
idle_master_extended_v1.5/Languages/it/IdleMaster.resources.dll
Resource
win7-20241010-en
Behavioral task
behavioral24
Sample
idle_master_extended_v1.5/Languages/it/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
idle_master_extended_v1.5/Languages/ja/IdleMaster.resources.dll
Resource
win7-20241010-en
Behavioral task
behavioral26
Sample
idle_master_extended_v1.5/Languages/ja/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral27
Sample
idle_master_extended_v1.5/Languages/ko/IdleMaster.resources.dll
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
idle_master_extended_v1.5/Languages/ko/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral29
Sample
idle_master_extended_v1.5/Languages/nl/IdleMaster.resources.dll
Resource
win7-20240729-en
Behavioral task
behavioral30
Sample
idle_master_extended_v1.5/Languages/nl/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral31
Sample
idle_master_extended_v1.5/Languages/no/IdleMaster.resources.dll
Resource
win7-20240903-en
Behavioral task
behavioral32
Sample
idle_master_extended_v1.5/Languages/no/IdleMaster.resources.dll
Resource
win10v2004-20241007-en
General
-
Target
idle_master_extended_v1.5/Languages/ko/IdleMaster.resources.dll
-
Size
9KB
-
MD5
5ad563980576105dbfb93b521ed4f464
-
SHA1
12f4aca867b6f4e2a3bc7c705072537945473730
-
SHA256
53fe2570b6efa7872e8f352d9534454333649166aeb5b766256c30428f6f7421
-
SHA512
c204d615920278decbd174271ba2875b3108d6549d3db2c9de7a91ef202de088e720cae823a7f0cab04a0560a0d06c70f58316016935a1e2bf24484774759bcc
-
SSDEEP
192:5cayCzg2N8Dhrnwh9mu2OHiMxkedByrhxQHaJ:5Gj2N8DhI9mrOHiMRdoPT
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2192 wrote to memory of 2936 2192 rundll32.exe 31 PID 2192 wrote to memory of 2936 2192 rundll32.exe 31 PID 2192 wrote to memory of 2936 2192 rundll32.exe 31 PID 2192 wrote to memory of 2936 2192 rundll32.exe 31 PID 2192 wrote to memory of 2936 2192 rundll32.exe 31 PID 2192 wrote to memory of 2936 2192 rundll32.exe 31 PID 2192 wrote to memory of 2936 2192 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\idle_master_extended_v1.5\Languages\ko\IdleMaster.resources.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\idle_master_extended_v1.5\Languages\ko\IdleMaster.resources.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2936
-