Analysis
-
max time kernel
128s -
max time network
298s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
07-06-2024 02:08
Static task
static1
Behavioral task
behavioral1
Sample
e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe
Resource
win7-20240419-en
General
-
Target
e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe
-
Size
1.8MB
-
MD5
cc2b03be1e948f898b459b8e6b18a91d
-
SHA1
4e44cd1392d1fcdde5e9d78c2f864b2fa783d87f
-
SHA256
e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0
-
SHA512
36581e80d09f0eb5c35187dc71b1423313be3787e5a0b9458078b60cae1fb09d5c2c166102c68d43d58c42482890dc05b6f5c73210c6eb6599a69f13f7c8c871
-
SSDEEP
24576:l6z6AnPq5iak02HkOYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4kOYa8aesY3Ot4N7G/IeUAtK
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/r8z0l
https://steamcommunity.com/profiles/76561199698764354
-
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 behavioral2/memory/2332-2-0x0000000003FB0000-0x00000000040FB000-memory.dmp family_vidar_v7 behavioral2/memory/4776-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4776-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4776-5-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4776-26-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4776-27-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4776-44-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4776-45-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
katA7B.tmppid process 4776 katA7B.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:
e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exedescription pid process target process PID 2332 set thread context of 4776 2332 e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe katA7B.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katA7B.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katA7B.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
katA7B.tmppid process 4776 katA7B.tmp 4776 katA7B.tmp 4776 katA7B.tmp 4776 katA7B.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exedescription pid process target process PID 2332 wrote to memory of 4776 2332 e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe katA7B.tmp PID 2332 wrote to memory of 4776 2332 e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe katA7B.tmp PID 2332 wrote to memory of 4776 2332 e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe katA7B.tmp PID 2332 wrote to memory of 4776 2332 e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe katA7B.tmp PID 2332 wrote to memory of 4776 2332 e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe katA7B.tmp PID 2332 wrote to memory of 4776 2332 e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe katA7B.tmp PID 2332 wrote to memory of 4776 2332 e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe katA7B.tmp PID 2332 wrote to memory of 4776 2332 e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe katA7B.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe"C:\Users\Admin\AppData\Local\Temp\e3e4a1ada6d6cac625f89a702cfcbb5c5c0f6a6cfed0248535fc9c716c22e8d0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Users\Admin\AppData\Local\Temp\katA7B.tmpC:\Users\Admin\AppData\Local\Temp\katA7B.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4776
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f