ScreenShot
| Created | 2021.06.18 09:07 | Machine | s1_win7_x6401 |
| Filename | vidarses.exe | ||
| Type | MS-DOS executable, MZ for MS-DOS | ||
| AI Score |
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Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 28 detected (AIDetect, malware1, malicious, high confidence, Bulz, Unsafe, ZexaF, 2wuaa0JE2nmG, Attribute, HighConfidence, Chapak, ezqv, Generic ML PUA, Static AI, Malicious PE, Hynamer, BScope, TrojanPSW, Coins, ai score=80, ET#94%, RDMK, cmRtazrjxRvKqjrH5E2bVJzQWERL, Score, confidence) | ||
| md5 | 7283347ba70004a56396caa0a2de7bb0 | ||
| sha256 | d9d7be1231912d7967848f8b286332be9972712bbf745d9cd725123f3ca6cf57 | ||
| ssdeep | 49152:0pA6l5jszHjVcp5jKVK1CP9wnYEwMgb6eghQD5jKVKFOrnrgIYeghQ:kv5ozDVcp9KIQ4Ydb6DM9KIorsIYD | ||
| imphash | 96778352d99ca84b52328b0725ee1935 | ||
| impfuzzy | 3:sUx2AEZsS9KTXz/HAAfKVSM3YdTiEJSbWyA8xHblKS5g8Az8EVML3qyMGARLBAJX:nERGDfArvY5iEMbfNvAz8EBKbSs6XEaA | ||
Network IP location
Signature (38cnts)
| Level | Description |
|---|---|
| warning | File has been identified by 28 AntiVirus engines on VirusTotal as malicious |
| watch | Attempts to access Bitcoin/ALTCoin wallets |
| watch | Checks for the presence of known windows from debuggers and forensic tools |
| watch | Checks the CPU name from registry |
| watch | Checks the version of Bios |
| watch | Collects information about installed applications |
| watch | Communicates with host for which no DNS query was performed |
| watch | Creates an executable file in a user folder |
| watch | Detects Virtual Machines through their custom firmware |
| watch | Detects VirtualBox through the presence of a registry key |
| watch | Detects VMWare through the in instruction feature |
| watch | Harvests credentials from local email clients |
| watch | Harvests credentials from local FTP client softwares |
| notice | A process created a hidden window |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | An executable file was downloaded by the process vidarses.exe |
| notice | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| notice | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| notice | Executes one or more WMI queries |
| notice | HTTP traffic contains suspicious features which may be indicative of malware related traffic |
| notice | Performs some HTTP requests |
| notice | Queries for potentially installed applications |
| notice | Searches running processes potentially to identify processes for sandbox evasion |
| notice | Sends data using the HTTP POST Method |
| notice | Steals private information from local Internet browsers |
| notice | Terminates another process |
| notice | The binary likely contains encrypted or compressed data indicative of a packer |
| notice | The executable is likely packed with VMProtect |
| notice | Uses Windows utilities for basic Windows functionality |
| info | Checks amount of memory in system |
| info | Collects information to fingerprint the system (MachineGuid |
| info | Command line console output was observed |
| info | One or more processes crashed |
| info | Queries for the computername |
| info | The executable contains unknown PE section names indicative of a packer (could be a false positive) |
| info | The file contains an unknown PE resource name possibly indicative of a packer |
| info | Tries to locate where the browsers are installed |
Rules (8cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Win32_Trojan_Gen_1_0904B0_Zero | Win32 Trojan Emotet | binaries (download) |
| info | IsDLL | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | JPEG_Format_Zero | JPEG Format | binaries (download) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
Network (12cnts) ?
Suricata ids
ET INFO Dotted Quad Host DLL Request
ET POLICY PE EXE or DLL Windows file download HTTP
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET MALWARE Vidar/Arkei Stealer Client Data Upload
ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
ET POLICY PE EXE or DLL Windows file download HTTP
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET MALWARE Vidar/Arkei Stealer Client Data Upload
ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
PE API
IAT(Import Address Table) Library
KERNEL32.DLL
0x7e00b4 GetModuleHandleA
0x7e00b8 GetProcAddress
USER32.dll
0x7e00c0 GetDesktopWindow
ADVAPI32.dll
0x7e00c8 GetUserNameA
SHELL32.dll
0x7e00d0 SHFileOperationA
SHLWAPI.dll
0x7e00d8 PathMatchSpecW
PSAPI.DLL
0x7e00e0 GetModuleFileNameExA
WININET.dll
0x7e00e8 DeleteUrlCacheEntry
gdiplus.dll
0x7e00f0 GdipGetImageEncodersSize
EAT(Export Address Table) is none
KERNEL32.DLL
0x7e00b4 GetModuleHandleA
0x7e00b8 GetProcAddress
USER32.dll
0x7e00c0 GetDesktopWindow
ADVAPI32.dll
0x7e00c8 GetUserNameA
SHELL32.dll
0x7e00d0 SHFileOperationA
SHLWAPI.dll
0x7e00d8 PathMatchSpecW
PSAPI.DLL
0x7e00e0 GetModuleFileNameExA
WININET.dll
0x7e00e8 DeleteUrlCacheEntry
gdiplus.dll
0x7e00f0 GdipGetImageEncodersSize
EAT(Export Address Table) is none