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Analysis
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max time kernel
60s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
28/12/2022, 17:48
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
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Target
file.exe
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Size
336KB
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MD5
6dc8116e251405d1a7f69f0c732adec6
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SHA1
da0a9831cd4674b70441d259984e67333e786a1c
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SHA256
ea12ac3067417f9ecc1f666318e1f063e8ddc74ef6fb83162ba68c1d6819df21
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SHA512
8f06175910feb1d9b9a8a091aa554bbef8b7edf203b7eadc841c4b22318eca2b821421b3110b658bf5438dee83e6d829e463b3381327ec66c8a4b31e23e368f3
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SSDEEP
6144:HLjUsW95K5nGbMjsqs/pCk9ybVqzE3JgxRmi3tm:HcsW956nQMjsykUbgzEZuki3tm
Malware Config
Extracted
vidar
1.7
24
https://t.me/robloxblackl
https://steamcommunity.com/profiles/76561199458928097
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profile_id
24
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 3460 75522150812027567162.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation file.exe -
Loads dropped DLL 2 IoCs
pid Process 2500 file.exe 2500 file.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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3460 set thread context of 408 3460 75522150812027567162.exe 96 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 1252 2500 WerFault.exe 82 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString file.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1260 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2500 file.exe 2500 file.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3460 75522150812027567162.exe Token: SeDebugPrivilege 408 AppLaunch.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2500 wrote to memory of 3460 2500 file.exe 89 PID 2500 wrote to memory of 3460 2500 file.exe 89 PID 2500 wrote to memory of 3460 2500 file.exe 89 PID 2500 wrote to memory of 980 2500 file.exe 91 PID 2500 wrote to memory of 980 2500 file.exe 91 PID 2500 wrote to memory of 980 2500 file.exe 91 PID 980 wrote to memory of 1260 980 cmd.exe 94 PID 980 wrote to memory of 1260 980 cmd.exe 94 PID 980 wrote to memory of 1260 980 cmd.exe 94 PID 3460 wrote to memory of 408 3460 75522150812027567162.exe 96 PID 3460 wrote to memory of 408 3460 75522150812027567162.exe 96 PID 3460 wrote to memory of 408 3460 75522150812027567162.exe 96 PID 3460 wrote to memory of 408 3460 75522150812027567162.exe 96 PID 3460 wrote to memory of 408 3460 75522150812027567162.exe 96 PID 3460 wrote to memory of 408 3460 75522150812027567162.exe 96 PID 3460 wrote to memory of 408 3460 75522150812027567162.exe 96 PID 3460 wrote to memory of 408 3460 75522150812027567162.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\ProgramData\75522150812027567162.exe"C:\ProgramData\75522150812027567162.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"3⤵
- Suspicious use of AdjustPrivilegeToken
PID:408
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:980 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 6602⤵
- Program crash
PID:1252
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2500 -ip 25001⤵PID:1392
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
920KB
MD573a457017b7a3e84e3ff08504e345b28
SHA1fabd5297d5b6875bb7513ee2c2ea36745d76b804
SHA25608ec83cf551c99e6259bb3200766c3c5bd862fe0856dbf324256454fd9e922e9
SHA512fb534234b2466f0920ac8ad3c283056c1df328e814b4b71460c4e3cbf1529af9c81bb1228a4f0b564e0e4ecd592cdc03f635b97640c7ec6a269d4662fed9dc26
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Filesize
920KB
MD573a457017b7a3e84e3ff08504e345b28
SHA1fabd5297d5b6875bb7513ee2c2ea36745d76b804
SHA25608ec83cf551c99e6259bb3200766c3c5bd862fe0856dbf324256454fd9e922e9
SHA512fb534234b2466f0920ac8ad3c283056c1df328e814b4b71460c4e3cbf1529af9c81bb1228a4f0b564e0e4ecd592cdc03f635b97640c7ec6a269d4662fed9dc26
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Filesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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Filesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66