Analysis
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max time kernel
298s -
max time network
272s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2024 13:55
Static task
static1
Behavioral task
behavioral1
Sample
transferencia-256893035-145529-sanlccjavap0004-145.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
transferencia-256893035-145529-sanlccjavap0004-145.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
transferencia-256893035-145529-sanlccjavap0004-145.exe
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Size
523KB
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MD5
0dfa923548c0c87e17f4b58fe18d50c2
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SHA1
02297bf370ddb5998ee44b5f45289bfad33f157c
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SHA256
0bfd1449856fa8814c4d16e77e1ac018c3a265328c4b3819775c31a3e89c0a22
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SHA512
79a748ae4377823b40f42b0d703b76cd3fea096e92ae734b73129014e6d2a17d027f83248dbb9bade9745ef1598318215d9e683f9bee3130e726e55ad1c33dcc
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SSDEEP
12288:DMWZ/o0AK0/WAxhrHJluQrNlxWW5xsjmFs+ZHmkHN3HiPCpfBVx:IAgxX/WA/zXgeMIHnHpHiwV
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 2 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exepid Process 3032 transferencia-256893035-145529-sanlccjavap0004-145.exe 3032 transferencia-256893035-145529-sanlccjavap0004-145.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exepid Process 3608 transferencia-256893035-145529-sanlccjavap0004-145.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exetransferencia-256893035-145529-sanlccjavap0004-145.exepid Process 3032 transferencia-256893035-145529-sanlccjavap0004-145.exe 3608 transferencia-256893035-145529-sanlccjavap0004-145.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exedescription pid Process procid_target PID 3032 set thread context of 3608 3032 transferencia-256893035-145529-sanlccjavap0004-145.exe 96 -
Drops file in Windows directory 1 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exedescription ioc Process File opened for modification C:\Windows\resources\Trnregimenternes\totalsanerende.Obs202 transferencia-256893035-145529-sanlccjavap0004-145.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.
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exetransferencia-256893035-145529-sanlccjavap0004-145.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language transferencia-256893035-145529-sanlccjavap0004-145.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language transferencia-256893035-145529-sanlccjavap0004-145.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exepid Process 3608 transferencia-256893035-145529-sanlccjavap0004-145.exe 3608 transferencia-256893035-145529-sanlccjavap0004-145.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exepid Process 3032 transferencia-256893035-145529-sanlccjavap0004-145.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exedescription pid Process procid_target PID 3032 wrote to memory of 3608 3032 transferencia-256893035-145529-sanlccjavap0004-145.exe 96 PID 3032 wrote to memory of 3608 3032 transferencia-256893035-145529-sanlccjavap0004-145.exe 96 PID 3032 wrote to memory of 3608 3032 transferencia-256893035-145529-sanlccjavap0004-145.exe 96 PID 3032 wrote to memory of 3608 3032 transferencia-256893035-145529-sanlccjavap0004-145.exe 96 PID 3032 wrote to memory of 3608 3032 transferencia-256893035-145529-sanlccjavap0004-145.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\transferencia-256893035-145529-sanlccjavap0004-145.exe"C:\Users\Admin\AppData\Local\Temp\transferencia-256893035-145529-sanlccjavap0004-145.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Users\Admin\AppData\Local\Temp\transferencia-256893035-145529-sanlccjavap0004-145.exe"C:\Users\Admin\AppData\Local\Temp\transferencia-256893035-145529-sanlccjavap0004-145.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3608
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD5cf85183b87314359488b850f9e97a698
SHA16b6c790037eec7ebea4d05590359cb4473f19aea
SHA2563b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
SHA512fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b
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Filesize
730B
MD5ac051e71f303a480d785efc036757175
SHA1b9b2bee5a1010bf1da07445f5057cedb10ce3c3f
SHA2560d098999e5ba1f5a13789d6e30543e49f706bf1e9132e359604402ceaf0b4ef0
SHA512ae8e0c734048434ae04ba59760051c191c8006b645909b1a522a780bbdff494005322a6c63b8300cc4c6cda85826ce54119cecb7644c3c9923afbbc5e26458f7