Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
01-07-2024 05:10
Static task
static1
Behavioral task
behavioral1
Sample
ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe
Resource
win7-20240508-en
General
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Target
ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe
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Size
4.4MB
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MD5
29f470795ad53bdfdfc5038a32f5783f
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SHA1
f5a17e20f827ca128e40a68d81f88c069f5d625d
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SHA256
ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13
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SHA512
52c560920389b9ec273394bac9d0bf89950a377b5eace69b2c49181f8493de75b7a42e3594836c3b305a17f5e1b18f6acc1f14170a7b3483dedc34599748f2c5
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SSDEEP
98304:09q6YNqHsTuAaG3BcibY3FbxOEhDV901rC:0o6YNqHsyBkBpY3F4IV9T
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 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2652-79-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2652-607-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
FCAFIJJJKE.exepid process 2756 FCAFIJJJKE.exe -
Loads dropped DLL 7 IoCs
Processes:
MSBuild.exeWerFault.exepid process 2652 MSBuild.exe 2652 MSBuild.exe 2652 MSBuild.exe 2652 MSBuild.exe 1960 WerFault.exe 1960 WerFault.exe 1960 WerFault.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exedescription pid process target process PID 2060 set thread context of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1960 2756 WerFault.exe FCAFIJJJKE.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 788 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
MSBuild.exepid process 2652 MSBuild.exe 2652 MSBuild.exe 2652 MSBuild.exe 2652 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exedescription pid process Token: SeDebugPrivilege 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exeMSBuild.exeFCAFIJJJKE.execmd.exedescription pid process target process PID 2060 wrote to memory of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe PID 2060 wrote to memory of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe PID 2060 wrote to memory of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe PID 2060 wrote to memory of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe PID 2060 wrote to memory of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe PID 2060 wrote to memory of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe PID 2060 wrote to memory of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe PID 2060 wrote to memory of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe PID 2060 wrote to memory of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe PID 2060 wrote to memory of 2652 2060 ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe MSBuild.exe PID 2652 wrote to memory of 2756 2652 MSBuild.exe FCAFIJJJKE.exe PID 2652 wrote to memory of 2756 2652 MSBuild.exe FCAFIJJJKE.exe PID 2652 wrote to memory of 2756 2652 MSBuild.exe FCAFIJJJKE.exe PID 2652 wrote to memory of 2756 2652 MSBuild.exe FCAFIJJJKE.exe PID 2756 wrote to memory of 1960 2756 FCAFIJJJKE.exe WerFault.exe PID 2756 wrote to memory of 1960 2756 FCAFIJJJKE.exe WerFault.exe PID 2756 wrote to memory of 1960 2756 FCAFIJJJKE.exe WerFault.exe PID 2756 wrote to memory of 1960 2756 FCAFIJJJKE.exe WerFault.exe PID 2652 wrote to memory of 1744 2652 MSBuild.exe cmd.exe PID 2652 wrote to memory of 1744 2652 MSBuild.exe cmd.exe PID 2652 wrote to memory of 1744 2652 MSBuild.exe cmd.exe PID 2652 wrote to memory of 1744 2652 MSBuild.exe cmd.exe PID 1744 wrote to memory of 788 1744 cmd.exe timeout.exe PID 1744 wrote to memory of 788 1744 cmd.exe timeout.exe PID 1744 wrote to memory of 788 1744 cmd.exe timeout.exe PID 1744 wrote to memory of 788 1744 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe"C:\Users\Admin\AppData\Local\Temp\ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\ProgramData\FCAFIJJJKE.exe"C:\ProgramData\FCAFIJJJKE.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 964⤵
- Loads dropped DLL
- Program crash
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\ECBGCBGCAFII" & 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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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C:\Users\Admin\AppData\Local\Temp\Tar1F89.tmpFilesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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\ProgramData\FCAFIJJJKE.exeFilesize
516KB
MD50309dd0131150796ea99b30a62194fae
SHA12df6e334708eae810a74b844fd57e18e9fdc34cd
SHA25607c09ba5a84f619e5b83a54298ffc58d20b00f14399c7a94b7f02b70efc60f35
SHA5123d4e5a0718d04fee92d8040880b631107d1e23a6b3bce430d58769179af999c28b99e50c5cd45f283339f7bbb24ffacbf601a5447edb12e28da4517fbfa282e8
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memory/2060-42-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-6-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-5-0x0000000000780000-0x000000000079C000-memory.dmpFilesize
112KB
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memory/2060-37-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-7-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-9-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-65-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-63-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-61-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-66-0x0000000074820000-0x0000000074F0E000-memory.dmpFilesize
6.9MB
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memory/2060-59-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-58-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-55-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-53-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-51-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-35-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-47-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-45-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-43-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-0-0x000000007482E000-0x000000007482F000-memory.dmpFilesize
4KB
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memory/2060-1-0x0000000000850000-0x0000000000CBE000-memory.dmpFilesize
4.4MB
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memory/2060-4-0x00000000055E0000-0x000000000574E000-memory.dmpFilesize
1.4MB
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memory/2060-50-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-39-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-2-0x0000000000330000-0x000000000033A000-memory.dmpFilesize
40KB
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memory/2060-3-0x0000000074820000-0x0000000074F0E000-memory.dmpFilesize
6.9MB
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memory/2060-34-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-31-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-29-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-27-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-25-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-23-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-21-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-19-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-17-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-15-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-13-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-11-0x0000000000780000-0x0000000000795000-memory.dmpFilesize
84KB
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memory/2060-80-0x0000000074820000-0x0000000074F0E000-memory.dmpFilesize
6.9MB
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memory/2652-69-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2652-79-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2652-67-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2652-607-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB