Analysis
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max time kernel
93s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 03:44
Static task
static1
Behavioral task
behavioral1
Sample
501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe
Resource
win10v2004-20240508-en
General
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Target
501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe
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Size
2.2MB
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MD5
6fc8653d4a9b8ec0f5776e9ea0772699
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SHA1
6f148abd8bc9f34ab868332bf042ad52b7e80142
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SHA256
501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c
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SHA512
4c96ba6ec1e61cb22fe39aabfd8f63e6230700031cc9a41044009904af4ecf5f021739c3d063f842d504cefc764d04e92b3212bc6cf569b388f44710cee4c528
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SSDEEP
49152:qpjNvr9ySAOmw4lHHO+SASagXkJr4MDkUwm:qpjNp7p4lHH8n5A
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/4592-2-0x0000000004060000-0x0000000004170000-memory.dmp family_vidar_v7 behavioral1/memory/4816-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4816-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4816-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4816-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4816-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4816-40-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4816-41-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat4C1C.tmppid process 4816 kat4C1C.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exedescription pid process target process PID 4592 set thread context of 4816 4592 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat4C1C.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat4C1C.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat4C1C.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4C1C.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat4C1C.tmppid process 4816 kat4C1C.tmp 4816 kat4C1C.tmp 4816 kat4C1C.tmp 4816 kat4C1C.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exedescription pid process target process PID 4592 wrote to memory of 4816 4592 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat4C1C.tmp PID 4592 wrote to memory of 4816 4592 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat4C1C.tmp PID 4592 wrote to memory of 4816 4592 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat4C1C.tmp PID 4592 wrote to memory of 4816 4592 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat4C1C.tmp PID 4592 wrote to memory of 4816 4592 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat4C1C.tmp PID 4592 wrote to memory of 4816 4592 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat4C1C.tmp PID 4592 wrote to memory of 4816 4592 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat4C1C.tmp PID 4592 wrote to memory of 4816 4592 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat4C1C.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe"C:\Users\Admin\AppData\Local\Temp\501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Users\Admin\AppData\Local\Temp\kat4C1C.tmpC:\Users\Admin\AppData\Local\Temp\kat4C1C.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4816
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f