Analysis
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max time kernel
43s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
02-10-2022 11:17
Static task
static1
Behavioral task
behavioral1
Sample
Setup.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Setup.exe
Resource
win10-20220901-en
General
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Target
Setup.exe
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Size
339.3MB
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MD5
b61856ad41a4423ae265efb0b5bad7d5
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SHA1
7700b24a0696aeb1d0b09240adb090dffd52049b
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SHA256
8537f13d073583dfe3ac62f19a80490fe2f60e6701d1a6ad1bf861274d4b7c10
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SHA512
db98eace3fb0ed2e1bbdb83b426be80bbe5a067cc20f481d420ecd25779ea8dcd2271cb9b6009d9ea44d78d7d9c541e96b58745c45e009535aee552c817bb056
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SSDEEP
98304:3WRH1yPRGZ5U2koQ2JDh6e9E+t4ZiwNqUejhP+AFu93SXup9Buys:GRHAPRGroLcD3qS4lo+l93bp9Bx
Malware Config
Extracted
vidar
54.8
1281
https://t.me/dsjdsnxshjx
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profile_id
1281
Signatures
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Deletes itself 1 IoCs
Processes:
cmd.exepid process 1768 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
Setup.exepid process 1708 Setup.exe 1708 Setup.exe -
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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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:
Setup.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Setup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Setup.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1608 timeout.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 1280 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Setup.exepid process 1708 Setup.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 1280 taskkill.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Setup.execmd.exedescription pid process target process PID 1708 wrote to memory of 1768 1708 Setup.exe cmd.exe PID 1708 wrote to memory of 1768 1708 Setup.exe cmd.exe PID 1708 wrote to memory of 1768 1708 Setup.exe cmd.exe PID 1708 wrote to memory of 1768 1708 Setup.exe cmd.exe PID 1768 wrote to memory of 1280 1768 cmd.exe taskkill.exe PID 1768 wrote to memory of 1280 1768 cmd.exe taskkill.exe PID 1768 wrote to memory of 1280 1768 cmd.exe taskkill.exe PID 1768 wrote to memory of 1280 1768 cmd.exe taskkill.exe PID 1768 wrote to memory of 1608 1768 cmd.exe timeout.exe PID 1768 wrote to memory of 1608 1768 cmd.exe timeout.exe PID 1768 wrote to memory of 1608 1768 cmd.exe timeout.exe PID 1768 wrote to memory of 1608 1768 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Setup.exe"C:\Users\Admin\AppData\Local\Temp\Setup.exe"1⤵
- Loads dropped DLL
- 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" '.89.55.176/c taskkill /im Setup.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Setup.exe" & del C:\PrograData\*.dll & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im Setup.exe /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\ProgramData\mozglue.dllFilesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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\ProgramData\nss3.dllFilesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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memory/1280-81-0x0000000000000000-mapping.dmp
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memory/1608-82-0x0000000000000000-mapping.dmp
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memory/1708-54-0x0000000075711000-0x0000000075713000-memory.dmpFilesize
8KB
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memory/1708-55-0x00000000010B0000-0x00000000018D2000-memory.dmpFilesize
8.1MB
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memory/1708-60-0x0000000061E00000-0x0000000061EF3000-memory.dmpFilesize
972KB
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memory/1768-80-0x0000000000000000-mapping.dmp