Analysis
-
max time kernel
106s -
max time network
98s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
28-04-2023 05:24
Behavioral task
behavioral1
Sample
II-tr.exe
Resource
win7-20230220-en
General
-
Target
II-tr.exe
-
Size
3.3MB
-
MD5
548bfc6c224d952ee4c0278390965ae9
-
SHA1
bf9d43e9a90dcf49dcb34416f9dd8ea7b85e7c77
-
SHA256
22dcbfdbfb5cbfb6f12dadaeccf570b8c8acc079afa585886af880e975f380ae
-
SHA512
0deea8c5ee13313e3edb4db960fbef6351e0c01391bac44b081da067c23407f567238d46d792b34ee7fd35a92c6712c504426a645dbeb8d60f833f70bf2d01ac
-
SSDEEP
98304:XHpb2umYIoREUsoGytV4n0oj8tb3gCHg1dWm:Xdlm7AEQGyD4E39Avt
Malware Config
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
II-tr.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ II-tr.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
II-tr.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion II-tr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion II-tr.exe -
Obfuscated with Agile.Net obfuscator 3 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral1/memory/1920-56-0x0000000001230000-0x0000000001BD8000-memory.dmp agile_net behavioral1/memory/1920-58-0x0000000001230000-0x0000000001BD8000-memory.dmp agile_net behavioral1/memory/1920-160-0x0000000001230000-0x0000000001BD8000-memory.dmp agile_net -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Processes:
resource yara_rule behavioral1/memory/1920-56-0x0000000001230000-0x0000000001BD8000-memory.dmp themida behavioral1/memory/1920-58-0x0000000001230000-0x0000000001BD8000-memory.dmp themida behavioral1/memory/1920-160-0x0000000001230000-0x0000000001BD8000-memory.dmp themida -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Processes:
II-tr.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA II-tr.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 ip-api.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
II-tr.exepid process 1920 II-tr.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1644 1920 WerFault.exe II-tr.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
II-tr.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 II-tr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier II-tr.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
II-tr.exepid process 1920 II-tr.exe 1920 II-tr.exe 1920 II-tr.exe 1920 II-tr.exe 1920 II-tr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
II-tr.exedescription pid process Token: SeDebugPrivilege 1920 II-tr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
II-tr.exedescription pid process target process PID 1920 wrote to memory of 1644 1920 II-tr.exe WerFault.exe PID 1920 wrote to memory of 1644 1920 II-tr.exe WerFault.exe PID 1920 wrote to memory of 1644 1920 II-tr.exe WerFault.exe PID 1920 wrote to memory of 1644 1920 II-tr.exe WerFault.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\II-tr.exe"C:\Users\Admin\AppData\Local\Temp\II-tr.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 19482⤵
- Program crash
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\f595450f715ebe11c3af8f7c7753b8d9\Admin@BPOQNXYB_en-US_2023_04_28_11_24_24@v1.3.2\Software.txtFilesize
4KB
MD50deddb3cd02f97a1b29228e249b3b365
SHA1fecda2c925798a04ad17871124a441dd96ae1730
SHA256f347f9e4d3dd0ce266a5d225c0471e33386c659c6c2425a1b2e625864e538b9b
SHA51223d186926572a79bd7cec17ddfc8dc49e97097636cf34cdbc4a8b3d6b590362635cb41200da96385cbc9da4d255cef65bf5bf2cd964c37c331ef9d1dec50eeb0
-
C:\Users\Admin\AppData\Local\f595450f715ebe11c3af8f7c7753b8d9\Admin@BPOQNXYB_en-US_2023_04_28_11_24_24@v1.3.2\Software.txtFilesize
4KB
MD50deddb3cd02f97a1b29228e249b3b365
SHA1fecda2c925798a04ad17871124a441dd96ae1730
SHA256f347f9e4d3dd0ce266a5d225c0471e33386c659c6c2425a1b2e625864e538b9b
SHA51223d186926572a79bd7cec17ddfc8dc49e97097636cf34cdbc4a8b3d6b590362635cb41200da96385cbc9da4d255cef65bf5bf2cd964c37c331ef9d1dec50eeb0
-
memory/1920-56-0x0000000001230000-0x0000000001BD8000-memory.dmpFilesize
9.7MB
-
memory/1920-57-0x0000000001230000-0x0000000001BD8000-memory.dmpFilesize
9.7MB
-
memory/1920-58-0x0000000001230000-0x0000000001BD8000-memory.dmpFilesize
9.7MB
-
memory/1920-59-0x00000000052E0000-0x0000000005320000-memory.dmpFilesize
256KB
-
memory/1920-61-0x0000000001230000-0x0000000001BD8000-memory.dmpFilesize
9.7MB
-
memory/1920-146-0x00000000052E0000-0x0000000005320000-memory.dmpFilesize
256KB
-
memory/1920-160-0x0000000001230000-0x0000000001BD8000-memory.dmpFilesize
9.7MB