Analysis
-
max time kernel
135s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 14:05
Static task
static1
Behavioral task
behavioral1
Sample
807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe
Resource
win10v2004-20240508-en
General
-
Target
807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe
-
Size
1.9MB
-
MD5
8213d9fed72c7b8b77a49c66ec4d8dea
-
SHA1
e24a05a6c04713f92d9e58d255471401f7e9bf45
-
SHA256
807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0
-
SHA512
02bbcb5079ed68804645d4b0b761444030292590ef5d3b090b4f441a3f3146a4f72598f435d66d6070f19cda991792a4c7966d7d12fec924bf34c5f717158393
-
SSDEEP
49152:CdKfTn6vqJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnRtIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
-
Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/4544-2-0x0000000004030000-0x0000000004179000-memory.dmp family_vidar_v7 behavioral1/memory/2892-7-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2892-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2892-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2892-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2892-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2892-32-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2892-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat3EFD.tmppid process 2892 kat3EFD.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exedescription pid process target process PID 4544 set thread context of 2892 4544 807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe kat3EFD.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat3EFD.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat3EFD.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat3EFD.tmppid process 2892 kat3EFD.tmp 2892 kat3EFD.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exedescription pid process target process PID 4544 wrote to memory of 2892 4544 807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe kat3EFD.tmp PID 4544 wrote to memory of 2892 4544 807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe kat3EFD.tmp PID 4544 wrote to memory of 2892 4544 807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe kat3EFD.tmp PID 4544 wrote to memory of 2892 4544 807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe kat3EFD.tmp PID 4544 wrote to memory of 2892 4544 807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe kat3EFD.tmp PID 4544 wrote to memory of 2892 4544 807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe kat3EFD.tmp PID 4544 wrote to memory of 2892 4544 807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe kat3EFD.tmp PID 4544 wrote to memory of 2892 4544 807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe kat3EFD.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe"C:\Users\Admin\AppData\Local\Temp\807b07c102f8cb62d16dd33d70d9e27319938fed1891a3dd513aded6ee1ef5e0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat3EFD.tmpC:\Users\Admin\AppData\Local\Temp\kat3EFD.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\kat3EFD.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/2892-7-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2892-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2892-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2892-14-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2892-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2892-17-0x000000001B7F0000-0x000000001BA4F000-memory.dmpFilesize
2.4MB
-
memory/2892-32-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2892-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4544-0-0x0000000002240000-0x0000000002241000-memory.dmpFilesize
4KB
-
memory/4544-2-0x0000000004030000-0x0000000004179000-memory.dmpFilesize
1.3MB
-
memory/4544-10-0x0000000000400000-0x00000000005EC000-memory.dmpFilesize
1.9MB