Analysis
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max time kernel
108s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01-02-2023 19:10
Static task
static1
Behavioral task
behavioral1
Sample
Os_Editorx64_win7-8-10-11.exe
Resource
win7-20221111-en
General
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Target
Os_Editorx64_win7-8-10-11.exe
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Size
319.0MB
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MD5
cfc67715228aeff0bb92357d11bc3ce7
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SHA1
f8b664c669dcf720a33630462c6eaad31c415fd4
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SHA256
48a2f6dab127b5f79ca8293a19f14ffafabd0491e4a570b94b8a52807af5bcb2
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SHA512
cc21566a400002c6746c4519bae1a54def69bfbbf290bacee783b8c28687ba09973bd5c0063694b02df152a392b6273d243760397796a74b6ce33c8b4593f796
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SSDEEP
49152:QHuWBLVl5J4EUknv4QjU/5f5gB0dDKoXQo5xbhsJ8klAKjJWWnwn87fHhTjUNjHZ:QOUggv4QjsLzVKop85doKS87K5
Malware Config
Extracted
vidar
2.2
837
https://t.me/litlebey
https://steamcommunity.com/profiles/76561199472399815
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profile_id
837
Signatures
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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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation Os_Editorx64_win7-8-10-11.exe -
Loads dropped DLL 2 IoCs
pid Process 3228 Os_Editorx64_win7-8-10-11.exe 3228 Os_Editorx64_win7-8-10-11.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 4672 set thread context of 3228 4672 Os_Editorx64_win7-8-10-11.exe 84 -
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 3328 3228 WerFault.exe 84 -
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 Os_Editorx64_win7-8-10-11.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Os_Editorx64_win7-8-10-11.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4616 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3228 Os_Editorx64_win7-8-10-11.exe 3228 Os_Editorx64_win7-8-10-11.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4672 Os_Editorx64_win7-8-10-11.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4672 wrote to memory of 3228 4672 Os_Editorx64_win7-8-10-11.exe 84 PID 4672 wrote to memory of 3228 4672 Os_Editorx64_win7-8-10-11.exe 84 PID 4672 wrote to memory of 3228 4672 Os_Editorx64_win7-8-10-11.exe 84 PID 4672 wrote to memory of 3228 4672 Os_Editorx64_win7-8-10-11.exe 84 PID 4672 wrote to memory of 3228 4672 Os_Editorx64_win7-8-10-11.exe 84 PID 4672 wrote to memory of 3228 4672 Os_Editorx64_win7-8-10-11.exe 84 PID 4672 wrote to memory of 3228 4672 Os_Editorx64_win7-8-10-11.exe 84 PID 4672 wrote to memory of 3228 4672 Os_Editorx64_win7-8-10-11.exe 84 PID 4672 wrote to memory of 3228 4672 Os_Editorx64_win7-8-10-11.exe 84 PID 3228 wrote to memory of 4368 3228 Os_Editorx64_win7-8-10-11.exe 88 PID 3228 wrote to memory of 4368 3228 Os_Editorx64_win7-8-10-11.exe 88 PID 3228 wrote to memory of 4368 3228 Os_Editorx64_win7-8-10-11.exe 88 PID 4368 wrote to memory of 4616 4368 cmd.exe 92 PID 4368 wrote to memory of 4616 4368 cmd.exe 92 PID 4368 wrote to memory of 4616 4368 cmd.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\Os_Editorx64_win7-8-10-11.exe"C:\Users\Admin\AppData\Local\Temp\Os_Editorx64_win7-8-10-11.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Users\Admin\AppData\Local\Temp\Os_Editorx64_win7-8-10-11.exeC:\Users\Admin\AppData\Local\Temp\Os_Editorx64_win7-8-10-11.exe2⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3228 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Os_Editorx64_win7-8-10-11.exe" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:4368 -
C:\Windows\SysWOW64\timeout.exetimeout /t 64⤵
- Delays execution with timeout.exe
PID:4616
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 6283⤵
- Program crash
PID:3328
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 3228 -ip 32281⤵PID:560
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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Filesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66