Analysis
-
max time kernel
79s -
max time network
165s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
02-08-2022 12:53
Behavioral task
behavioral1
Sample
4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exe
Resource
win7-20220718-en
General
-
Target
4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exe
-
Size
5.9MB
-
MD5
e708e555e05c3d53a782200991a1984b
-
SHA1
419a0fcccea429405631bb93d223a3319fb3fcee
-
SHA256
4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc
-
SHA512
c74fe985e1fe6f6ad160bc6c58822e312d00308064c18f8e97ce497ed20f178e60ea854445b4a27ea4a4624045df5a76ae773b41443929cd98638fd2be5021e8
Malware Config
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exe -
Loads dropped DLL 2 IoCs
Processes:
4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exepid process 280 4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exe 280 4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exe -
Processes:
resource yara_rule behavioral1/memory/280-55-0x0000000000400000-0x0000000000A4C000-memory.dmp themida behavioral1/memory/280-56-0x0000000000400000-0x0000000000A4C000-memory.dmp themida behavioral1/memory/280-57-0x0000000000400000-0x0000000000A4C000-memory.dmp themida behavioral1/memory/280-60-0x0000000000400000-0x0000000000A4C000-memory.dmp themida behavioral1/memory/280-61-0x0000000000400000-0x0000000000A4C000-memory.dmp themida -
Processes:
4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
Processes
-
C:\Users\Admin\AppData\Local\Temp\4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exe"C:\Users\Admin\AppData\Local\Temp\4867822a4f3b6a5863c1a3e407ca09aae29fed5be1e4fb6bdce6f25432d329dc.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
\Users\Admin\AppData\Local\Temp\nstCAC0.tmp\INetC.dllFilesize
25KB
MD540d7eca32b2f4d29db98715dd45bfac5
SHA1124df3f617f562e46095776454e1c0c7bb791cc7
SHA25685e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
SHA5125fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d
-
\Users\Admin\AppData\Local\Temp\nstCAC0.tmp\xml.dllFilesize
1.6MB
MD5244d8ccedd4b86bd5a6d743f688c08cb
SHA140daf7ba07ba31236c2cebc15f357be5c3e32cf3
SHA256caa120ec8217f48315ec466a051c81565796ee93d70c002919d2460ca57527e1
SHA5121289552e4ae0c74369dc15f4ade46217bc32ef2c84e178898f557e46088d3a8835e857061e92f1d70bdb40819aa99a24542a857e175bb39a9c73cb539cc6a936
-
memory/280-54-0x0000000076921000-0x0000000076923000-memory.dmpFilesize
8KB
-
memory/280-55-0x0000000000400000-0x0000000000A4C000-memory.dmpFilesize
6.3MB
-
memory/280-56-0x0000000000400000-0x0000000000A4C000-memory.dmpFilesize
6.3MB
-
memory/280-57-0x0000000000400000-0x0000000000A4C000-memory.dmpFilesize
6.3MB
-
memory/280-60-0x0000000000400000-0x0000000000A4C000-memory.dmpFilesize
6.3MB
-
memory/280-61-0x0000000000400000-0x0000000000A4C000-memory.dmpFilesize
6.3MB