Analysis
-
max time kernel
122s -
max time network
178s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
-
Target
transferencia-256893035-145529-sanlccjavap0004-145.exe
-
Size
523KB
-
MD5
0dfa923548c0c87e17f4b58fe18d50c2
-
SHA1
02297bf370ddb5998ee44b5f45289bfad33f157c
-
SHA256
0bfd1449856fa8814c4d16e77e1ac018c3a265328c4b3819775c31a3e89c0a22
-
SHA512
79a748ae4377823b40f42b0d703b76cd3fea096e92ae734b73129014e6d2a17d027f83248dbb9bade9745ef1598318215d9e683f9bee3130e726e55ad1c33dcc
-
SSDEEP
12288:DMWZ/o0AK0/WAxhrHJluQrNlxWW5xsjmFs+ZHmkHN3HiPCpfBVx:IAgxX/WA/zXgeMIHnHpHiwV
Malware Config
Signatures
-
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
-
Loads dropped DLL 2 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exepid Process 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
-
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exepid Process 1080 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 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe 1080 transferencia-256893035-145529-sanlccjavap0004-145.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exedescription pid Process procid_target PID 3068 set thread context of 1080 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe 31 -
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).
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 3020 1080 WerFault.exe 31 -
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 1 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exepid Process 1080 transferencia-256893035-145529-sanlccjavap0004-145.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exepid Process 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
transferencia-256893035-145529-sanlccjavap0004-145.exetransferencia-256893035-145529-sanlccjavap0004-145.exedescription pid Process procid_target PID 3068 wrote to memory of 1080 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe 31 PID 3068 wrote to memory of 1080 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe 31 PID 3068 wrote to memory of 1080 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe 31 PID 3068 wrote to memory of 1080 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe 31 PID 3068 wrote to memory of 1080 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe 31 PID 3068 wrote to memory of 1080 3068 transferencia-256893035-145529-sanlccjavap0004-145.exe 31 PID 1080 wrote to memory of 3020 1080 transferencia-256893035-145529-sanlccjavap0004-145.exe 33 PID 1080 wrote to memory of 3020 1080 transferencia-256893035-145529-sanlccjavap0004-145.exe 33 PID 1080 wrote to memory of 3020 1080 transferencia-256893035-145529-sanlccjavap0004-145.exe 33 PID 1080 wrote to memory of 3020 1080 transferencia-256893035-145529-sanlccjavap0004-145.exe 33
Processes
-
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:3068 -
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
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 683⤵
- Program crash
PID:3020
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
722B
MD5e2e60b998ea924cd54134b284a7de550
SHA1a53202dab13d8eb2fec6a6d4d4d1005d2be067fe
SHA256fa135daf539eb673eb40f3be52a530aebc059984c43fdcc7c164ca181481bcc1
SHA51258ffe0838f097aedb7fb7f4d86c00602e2adad0f511979df8649fee3f8ffa28bb9b901d617655ae6d79ebc6853c7cbfef03f3c58a98dfd790957498e6cf8a33d
-
Filesize
11KB
MD5cf85183b87314359488b850f9e97a698
SHA16b6c790037eec7ebea4d05590359cb4473f19aea
SHA2563b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
SHA512fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b