Analysis
-
max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-11-2024 09:59
Static task
static1
Behavioral task
behavioral1
Sample
cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe
Resource
win7-20240903-en
General
-
Target
cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe
-
Size
60KB
-
MD5
5d414a4fdf6d1283314be0eefd85c083
-
SHA1
41fbc9e88a3705d7593ea323d362f4c14b802102
-
SHA256
cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91
-
SHA512
f5b12833533920dcc952b07965bb21017a07aa38ac974c39b564ca8d8c6c4f63983ab93657bf5da4a664bd78532e99c8d5fd9eb2d93c2e1c9f9a27e03cb9dc60
-
SSDEEP
768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPX:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd5I
Malware Config
Extracted
urelas
218.54.47.76
218.54.47.77
218.54.47.74
Signatures
-
Urelas family
-
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 2608 cmd.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid Process 2388 biudfw.exe -
Loads dropped DLL 1 IoCs
Processes:
cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exepid Process 1900 cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
cmd.execb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exebiudfw.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language biudfw.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exedescription pid Process procid_target PID 1900 wrote to memory of 2388 1900 cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe 31 PID 1900 wrote to memory of 2388 1900 cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe 31 PID 1900 wrote to memory of 2388 1900 cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe 31 PID 1900 wrote to memory of 2388 1900 cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe 31 PID 1900 wrote to memory of 2608 1900 cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe 32 PID 1900 wrote to memory of 2608 1900 cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe 32 PID 1900 wrote to memory of 2608 1900 cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe 32 PID 1900 wrote to memory of 2608 1900 cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe"C:\Users\Admin\AppData\Local\Temp\cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Users\Admin\AppData\Local\Temp\biudfw.exe"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2388
-
-
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2608
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
512B
MD555e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1449221fd8d7196a54de2bd583625d8d1b64db56a
SHA256a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
SHA5124af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
-
Filesize
338B
MD5e0b300b4088f28ea6ced6f995c7a28cf
SHA1408273f4f508384468b0cfb736ddf4d51e4e8927
SHA256595715dcdb81a4a7a7cc09bb1564eded66a2388be25d316901e3485ca3f00148
SHA5123a3f739bb15e120366b81c5ecbb87f4d3f0a2b255098d1361d42640016c7bc9d7f9bf9795dcd54aaf4027f303d109d0fb58386ac588cc63d57815b45902e6078
-
Filesize
60KB
MD5ac18f4f4b24b1c20127d94fc52dd8e21
SHA19cd401814c1492f1a263c93a73de1d78e30099a0
SHA256513e5231f795a0ce7feaee43b9e57cdd9e9bfba8aba9c987f7a6925fd29eb47b
SHA512d6c2661fd3555b543492de27da94c63de00a239b907da763571006fcdb3f4601dac4b1cca63babfa7836e95cae41eb0e9cb019cfba028b921b3b1e44ab810865