Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
08-07-2024 10:46
Static task
static1
Behavioral task
behavioral1
Sample
Selvretfrdig.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Selvretfrdig.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
Selvretfrdig.exe
Resource
win11-20240704-en
General
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Target
Selvretfrdig.exe
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Size
389KB
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MD5
016b555049364f09f3d2f58fe88c28f7
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SHA1
48893b18559daa8392ff371117f799113c81c90d
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SHA256
f8aa18d4254a618c058dda0a2be332707f305795953a26402e7b5f791b778bf0
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SHA512
15ce409cdb879c30d14d6211127fa0d8f7cc22611b3c20906f70ef5da059dd769953441e4cd466b2b6c3f7a6124786f0c6f981abc75812f2a99d452bd1d3d586
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SSDEEP
6144:9M23AbpBWzrsx8NjZc+2xFLHUxxf5WMG8FtObeYv5JuvWLWC32jTMA3hJCQNUs:vGpQzQ8cLxFQtdG8Ftqvzh9pKJfNb
Malware Config
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2436 3172 WerFault.exe powershell.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
powershell.exepid process 3172 powershell.exe 3172 powershell.exe 3172 powershell.exe 3172 powershell.exe 3172 powershell.exe 3172 powershell.exe 3172 powershell.exe 3172 powershell.exe 3172 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3172 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Selvretfrdig.exedescription pid process target process PID 4344 wrote to memory of 3172 4344 Selvretfrdig.exe powershell.exe PID 4344 wrote to memory of 3172 4344 Selvretfrdig.exe powershell.exe PID 4344 wrote to memory of 3172 4344 Selvretfrdig.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Selvretfrdig.exe"C:\Users\Admin\AppData\Local\Temp\Selvretfrdig.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Forsvrgelsen=Get-Content 'C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\Sperlingkasserne.Gla';$Decubitus=$Forsvrgelsen.SubString(65564,3);.$Decubitus($Forsvrgelsen)"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3172 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3172 -s 27323⤵
- Program crash
PID:2436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3172 -ip 31721⤵PID:4680
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
64KB
MD5c9035c38abb2f8b3e1255a2320926c2b
SHA129ee2663a1f9e8c907791957558b79dff166413c
SHA25692eca1cfe870c436907085d7d2d85ea69c5596d456a98224937d631cfaf4adc6
SHA5129b1f7655ec40cd92a873547bf7b8b03de824ee53bf2cbd516ec245e3cbc385e6659ce61ce5c94c1460877d697a42fbf1ee65db3abed1474c7aeec233208e89f7