Analysis
-
max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-12-2024 09:41
Static task
static1
Behavioral task
behavioral1
Sample
bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe
Resource
win7-20241010-en
General
-
Target
bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe
-
Size
55KB
-
MD5
0502f676e17cb28dc766017dbb4b4690
-
SHA1
6895b601936c9f40d035696e79ada9e7f369665f
-
SHA256
bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6f
-
SHA512
1474e267363829473162f2543427ff44ffa4dadf968648b9231ffbbff8908872687a6f97c2aceec5f0951a78ba15c864e936fef6918d2dad805dda339b0149f6
-
SSDEEP
768:egjKOwfkQsxi4CUWsFZzdXCHuWFpuQlBVQayBAFp1pAK4gpuK1cnPdFmfbpA9ANY:bKOjssTdFMsAX1pA6G0qm1Y8jgFzZ
Malware Config
Extracted
urelas
218.54.47.76
218.54.47.77
218.54.47.74
Signatures
-
Urelas family
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe -
Executes dropped EXE 1 IoCs
pid Process 3972 biudfw.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language biudfw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4028 wrote to memory of 3972 4028 bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe 82 PID 4028 wrote to memory of 3972 4028 bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe 82 PID 4028 wrote to memory of 3972 4028 bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe 82 PID 4028 wrote to memory of 4200 4028 bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe 83 PID 4028 wrote to memory of 4200 4028 bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe 83 PID 4028 wrote to memory of 4200 4028 bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe"C:\Users\Admin\AppData\Local\Temp\bacd51b12d3fc348e45b586fc73176f084d435e348f7a655a64f311f6bbf4b6fN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4028 -
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:3972
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:4200
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
55KB
MD512d45bbf26ffaf7a0f55a1b866ecbb29
SHA1e151f6e72c8dd0995e277f05d0d969ad33743020
SHA25603a3cd2c7d1c07f20bfb51432a3bebeb85eeb0d7beb12a658ec50d9f3385e207
SHA512f4d356b0e072e54664c02c16a0575c8945e32d94bd2bd1ff9264dab3a4bf82df93ba29222b96619af9d7dc0d35186bb689c0f7495264f48b56bc393992bf5d49
-
Filesize
512B
MD51e75a7e32613b9d0b73f13b66c2c2f58
SHA1035e2d6ab4ac34190f0e684681098188409e978c
SHA2569f8aa6da5d4cd4a6f17fc229bb965d1f2525d6bc7f70ffba6a13c7e3bbd2a1f3
SHA512e8ba9e9796b506655b9432ed7036383a3eab746a948a18df6e9598e59e6830a834e30bad7455bc22d4ae19a63f051d2aaa57b435594e881130559aac385bd8cf
-
Filesize
340B
MD5b8bbe87947867be8b8a7b890d5004694
SHA133edae71d7eebe1280cfd1d413a41a0a77093d72
SHA256b8bd6f793a10d71246a11fece810d30449c6ffec2e5a710ac1b72c7947ff2486
SHA51250e47475c00070e8fbdb0aad52ce2914c0f07bdb4032fee22665fe53f671f3207574e1d1621a2eb9b5626e93c22d8c4d5a80139655592abc09d8c725cf41bf22