Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
04-07-2024 22:34
Static task
static1
Behavioral task
behavioral1
Sample
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe
Resource
win7-20240419-en
General
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Target
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe
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Size
4.4MB
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MD5
c5f20b0cb835adff91c281ba3e9995e3
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SHA1
b7edfc4fb9befe9acf241e423741e27d68dfd832
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SHA256
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b
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SHA512
233587e39de30cfa0a9526fb041f9c9c70a1e7574e8bd8d934f7b795f3eff2a8aa8e98f20a7fcb06f00c85c233461d56bbabb4bba39c1ac4869839e3f0022678
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SSDEEP
49152:e+PcYB/o36ki63Hw4/uzcdl3ne2xAOVmmgZV099snm9pswB0Nq7:tPcYB/y6ki6PnuwT06sajB0Nq7
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/2896-81-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2896-597-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
EHCBAAAFHJ.exepid process 1936 EHCBAAAFHJ.exe -
Loads dropped DLL 6 IoCs
Processes:
MSBuild.exeWerFault.exepid process 2896 MSBuild.exe 2896 MSBuild.exe 2896 MSBuild.exe 2752 WerFault.exe 2752 WerFault.exe 2752 WerFault.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exedescription pid process target process PID 2248 set thread context of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2752 1936 WerFault.exe EHCBAAAFHJ.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 2336 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
MSBuild.exepid process 2896 MSBuild.exe 2896 MSBuild.exe 2896 MSBuild.exe 2896 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exedescription pid process Token: SeDebugPrivilege 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exeMSBuild.exeEHCBAAAFHJ.execmd.exedescription pid process target process PID 2248 wrote to memory of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 2248 wrote to memory of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 2248 wrote to memory of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 2248 wrote to memory of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 2248 wrote to memory of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 2248 wrote to memory of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 2248 wrote to memory of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 2248 wrote to memory of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 2248 wrote to memory of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 2248 wrote to memory of 2896 2248 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 2896 wrote to memory of 1936 2896 MSBuild.exe EHCBAAAFHJ.exe PID 2896 wrote to memory of 1936 2896 MSBuild.exe EHCBAAAFHJ.exe PID 2896 wrote to memory of 1936 2896 MSBuild.exe EHCBAAAFHJ.exe PID 2896 wrote to memory of 1936 2896 MSBuild.exe EHCBAAAFHJ.exe PID 1936 wrote to memory of 2752 1936 EHCBAAAFHJ.exe WerFault.exe PID 1936 wrote to memory of 2752 1936 EHCBAAAFHJ.exe WerFault.exe PID 1936 wrote to memory of 2752 1936 EHCBAAAFHJ.exe WerFault.exe PID 1936 wrote to memory of 2752 1936 EHCBAAAFHJ.exe WerFault.exe PID 2896 wrote to memory of 1268 2896 MSBuild.exe cmd.exe PID 2896 wrote to memory of 1268 2896 MSBuild.exe cmd.exe PID 2896 wrote to memory of 1268 2896 MSBuild.exe cmd.exe PID 2896 wrote to memory of 1268 2896 MSBuild.exe cmd.exe PID 1268 wrote to memory of 2336 1268 cmd.exe timeout.exe PID 1268 wrote to memory of 2336 1268 cmd.exe timeout.exe PID 1268 wrote to memory of 2336 1268 cmd.exe timeout.exe PID 1268 wrote to memory of 2336 1268 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe"C:\Users\Admin\AppData\Local\Temp\416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248 -
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
PID:2896 -
C:\ProgramData\EHCBAAAFHJ.exe"C:\ProgramData\EHCBAAAFHJ.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 964⤵
- Loads dropped DLL
- Program crash
PID:2752 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DHJJEGHIIDAF" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:2336
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD597964706b30f0495636ad8574092d00c
SHA1071bf215bed5fe5e767c630f97f346d772b3d339
SHA256f3150884a123a894396de9032a616bd190031682ae068c22746c76558434d458
SHA5122e326a41f740053d541f5f4dc5faf8b622b77e9609bc87f126e7a0f14287f6b6bef10a93baea9bbb0f24165da5db36086a77b189c9c0550ec41212e050f38e0e
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
937KB
MD5168c5908924803d268d26965c32a5620
SHA19e0e2dc9c7e931c4ee860c32d83711c433f7b1a3
SHA2562fd72d0d0fbc053a53adee5d9ec6cffde3fb5a3c6ba0c0490e24552b264d5449
SHA512749f0e4da8d6fde35b53e769b0b594c2e63835f970eedc54c8c15889863811b5fb296650ae9f5e255bafdd4b942ad3434a60c48e05f1283820c378d30645f1c1