Overview
overview
3Static
static
3ULTRAKILL....er.dll
windows7-x64
3ULTRAKILL....er.dll
windows10-2004-x64
3ULTRAKILL....gc.dll
windows7-x64
1ULTRAKILL....gc.dll
windows10-2004-x64
1ULTRAKILL....tor.js
windows7-x64
1ULTRAKILL....tor.js
windows10-2004-x64
1ULTRAKILL....ne.xml
windows7-x64
1ULTRAKILL....ne.xml
windows10-2004-x64
3ULTRAKILL....gs.xml
windows7-x64
1ULTRAKILL....gs.xml
windows10-2004-x64
3ULTRAKILL....eb.xml
windows7-x64
1ULTRAKILL....eb.xml
windows10-2004-x64
3ULTRAKILL....tor.js
windows7-x64
1ULTRAKILL....tor.js
windows10-2004-x64
1ULTRAKILL....ne.xml
windows7-x64
1ULTRAKILL....ne.xml
windows10-2004-x64
3ULTRAKILL....gs.xml
windows7-x64
1ULTRAKILL....gs.xml
windows10-2004-x64
3ULTRAKILL....eb.xml
windows7-x64
1ULTRAKILL....eb.xml
windows10-2004-x64
3ULTRAKILL....tor.js
windows7-x64
1ULTRAKILL....tor.js
windows10-2004-x64
1ULTRAKILL....ne.xml
windows7-x64
1ULTRAKILL....ne.xml
windows10-2004-x64
3ULTRAKILL....gs.xml
windows7-x64
1ULTRAKILL....gs.xml
windows10-2004-x64
3ULTRAKILL....eb.xml
windows7-x64
1ULTRAKILL....eb.xml
windows10-2004-x64
3ULTRAKILL....LL.exe
windows7-x64
1ULTRAKILL....LL.exe
windows10-2004-x64
1ULTRAKILL....rp.dll
windows7-x64
1ULTRAKILL....rp.dll
windows10-2004-x64
1Analysis
-
max time kernel
68s -
max time network
267s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
01/09/2023, 02:38
Static task
static1
Behavioral task
behavioral1
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/EmbedRuntime/MonoPosixHelper.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/EmbedRuntime/MonoPosixHelper.dll
Resource
win10v2004-20230831-en
Behavioral task
behavioral3
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/EmbedRuntime/mono-2.0-bdwgc.dll
Resource
win7-20230831-en
Behavioral task
behavioral4
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/EmbedRuntime/mono-2.0-bdwgc.dll
Resource
win10v2004-20230831-en
Behavioral task
behavioral5
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/2.0/DefaultWsdlHelpGenerator.js
Resource
win7-20230712-en
Behavioral task
behavioral6
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/2.0/DefaultWsdlHelpGenerator.js
Resource
win10v2004-20230831-en
Behavioral task
behavioral7
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/2.0/machine.xml
Resource
win7-20230831-en
Behavioral task
behavioral8
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/2.0/machine.xml
Resource
win10v2004-20230831-en
Behavioral task
behavioral9
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/2.0/settings.xml
Resource
win7-20230831-en
Behavioral task
behavioral10
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/2.0/settings.xml
Resource
win10v2004-20230831-en
Behavioral task
behavioral11
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/2.0/web.xml
Resource
win7-20230831-en
Behavioral task
behavioral12
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/2.0/web.xml
Resource
win10v2004-20230831-en
Behavioral task
behavioral13
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.0/DefaultWsdlHelpGenerator.js
Resource
win7-20230712-en
Behavioral task
behavioral14
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.0/DefaultWsdlHelpGenerator.js
Resource
win10v2004-20230831-en
Behavioral task
behavioral15
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.0/machine.xml
Resource
win7-20230831-en
Behavioral task
behavioral16
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.0/machine.xml
Resource
win10v2004-20230831-en
Behavioral task
behavioral17
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.0/settings.xml
Resource
win7-20230831-en
Behavioral task
behavioral18
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.0/settings.xml
Resource
win10v2004-20230831-en
Behavioral task
behavioral19
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.0/web.xml
Resource
win7-20230831-en
Behavioral task
behavioral20
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.0/web.xml
Resource
win10v2004-20230831-en
Behavioral task
behavioral21
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.5/DefaultWsdlHelpGenerator.js
Resource
win7-20230831-en
Behavioral task
behavioral22
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.5/DefaultWsdlHelpGenerator.js
Resource
win10v2004-20230831-en
Behavioral task
behavioral23
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.5/machine.xml
Resource
win7-20230831-en
Behavioral task
behavioral24
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.5/machine.xml
Resource
win10v2004-20230831-en
Behavioral task
behavioral25
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.5/settings.xml
Resource
win7-20230831-en
Behavioral task
behavioral26
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.5/settings.xml
Resource
win10v2004-20230831-en
Behavioral task
behavioral27
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.5/web.xml
Resource
win7-20230831-en
Behavioral task
behavioral28
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/4.5/web.xml
Resource
win10v2004-20230831-en
Behavioral task
behavioral29
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/ULTRAKILL.exe
Resource
win7-20230712-en
Behavioral task
behavioral30
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/ULTRAKILL.exe
Resource
win10v2004-20230831-en
Behavioral task
behavioral31
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/ULTRAKILL_Data/Managed/Assembly-CSharp.dll
Resource
win7-20230831-en
Behavioral task
behavioral32
Sample
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/ULTRAKILL_Data/Managed/Assembly-CSharp.dll
Resource
win10v2004-20230831-en
General
-
Target
ULTRAKILL.v24.12.2020-PiviGames.blog/ULTRAKILL/MonoBleedingEdge/etc/mono/2.0/web.xml
-
Size
11KB
-
MD5
2b6303c4f12762b71051db6e947f90a4
-
SHA1
a4d7e05516f63d6ab67327b299d4fb2852cb840b
-
SHA256
3c1a76a5849074b437d297656a208a3bef6d84b982153542b9c797046c601dfc
-
SHA512
80f5da60654e1851ef21526e434b32d94e18883a08bacbbaa0e1f85b80469c46510b6ddb9b429f16cc4be89c6f2bb2627bbae9cb1d0c7e45b665efb7721c6d86
-
SSDEEP
192:wcedeaZ0sEMYaWN5bs6yyzEVkEYEG/Z1f5v6CuCCrtQzPwkP/waeKjy:wj5YaWPs6/1zwya
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1648 4804 WerFault.exe 18
Processes
-
C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE"C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\ULTRAKILL.v24.12.2020-PiviGames.blog\ULTRAKILL\MonoBleedingEdge\etc\mono\2.0\web.xml"1⤵PID:4804
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4804 -s 4482⤵
- Program crash
PID:1648
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 384 -p 4804 -ip 48041⤵PID:1044