Analysis
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max time kernel
38s -
max time network
48s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-06-2024 22:18
Static task
static1
Behavioral task
behavioral1
Sample
2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe
Resource
win10v2004-20240611-en
General
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Target
2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe
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Size
2.2MB
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MD5
6ebb6ce93430a786285ccf8ae2eb0a98
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SHA1
7d870ff876b1d62242536b782bb0b9df03884f20
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SHA256
2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232
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SHA512
078c2be2a994d1b382b360b6c30c2741c8c5d1357f21ae12b885d8ae067f968407d6038d5f798ea500af0556ac97add18b293c453d74084e5da5b82ed2afe354
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SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXXeU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPd21tuuIeNHYGY0LzjsJxK
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 9 IoCs
Processes:
resource yara_rule behavioral2/memory/1400-2-0x00000000041D0000-0x00000000042E3000-memory.dmp family_vidar_v7 behavioral2/memory/4740-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4740-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4740-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4740-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4740-12-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4740-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4740-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4740-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Executes dropped EXE 1 IoCs
Processes:
kat80B9.tmppid process 4740 kat80B9.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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:
2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exedescription pid process target process PID 1400 set thread context of 4740 1400 2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe kat80B9.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat80B9.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat80B9.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat80B9.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3316 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat80B9.tmppid process 4740 kat80B9.tmp 4740 kat80B9.tmp 4740 kat80B9.tmp 4740 kat80B9.tmp 4740 kat80B9.tmp 4740 kat80B9.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exekat80B9.tmpcmd.exedescription pid process target process PID 1400 wrote to memory of 4740 1400 2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe kat80B9.tmp PID 1400 wrote to memory of 4740 1400 2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe kat80B9.tmp PID 1400 wrote to memory of 4740 1400 2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe kat80B9.tmp PID 1400 wrote to memory of 4740 1400 2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe kat80B9.tmp PID 1400 wrote to memory of 4740 1400 2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe kat80B9.tmp PID 1400 wrote to memory of 4740 1400 2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe kat80B9.tmp PID 1400 wrote to memory of 4740 1400 2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe kat80B9.tmp PID 1400 wrote to memory of 4740 1400 2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe kat80B9.tmp PID 4740 wrote to memory of 1120 4740 kat80B9.tmp cmd.exe PID 4740 wrote to memory of 1120 4740 kat80B9.tmp cmd.exe PID 4740 wrote to memory of 1120 4740 kat80B9.tmp cmd.exe PID 1120 wrote to memory of 3316 1120 cmd.exe timeout.exe PID 1120 wrote to memory of 3316 1120 cmd.exe timeout.exe PID 1120 wrote to memory of 3316 1120 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe"C:\Users\Admin\AppData\Local\Temp\2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat80B9.tmpC:\Users\Admin\AppData\Local\Temp\kat80B9.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat80B9.tmp" & rd /s /q "C:\ProgramData\JKEGDHCFCAAE" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat80B9.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1400-0-0x00000000024C0000-0x00000000024C1000-memory.dmpFilesize
4KB
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memory/1400-2-0x00000000041D0000-0x00000000042E3000-memory.dmpFilesize
1.1MB
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memory/1400-10-0x0000000000400000-0x0000000000641000-memory.dmpFilesize
2.3MB
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memory/4740-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4740-9-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4740-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4740-11-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4740-12-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4740-13-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4740-14-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4740-15-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB