ScreenShot
| Created | 2024.08.06 09:46 | Machine | s1_win7_x6403 |
| Filename | herso.exe | ||
| Type | PE32 executable (GUI) Intel 80386, for MS Windows | ||
| AI Score |
|
Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 37 detected (AIDetectMalware, malicious, high confidence, score, Unsafe, Kryptik, Attribute, HighConfidence, Themida, TrojanX, Real Protect, high, Generic ML PUA, Static AI, Malicious PE, Detected, ai score=84, Wacatac, Eldorado, R645974, ZexaF, YDWaayGleLci, Amadey, Probably Heur, ExeHeaderL, confidence, 100%) | ||
| md5 | 54dda3a0f0895906ba57a691a4655415 | ||
| sha256 | 872ea10c56fbd7eed22a86a03387e45213bf90e7e85df771b0a747075a4fa004 | ||
| ssdeep | 24576:j7I25TWJuUpiD3iaFXJubX9iOQkZ1+G0n/v92SJojo1aS/pxPZxSN11INelXUt14:YyTvubXkO8G0ndD/nZ4WAlEtKgSLCrI | ||
| imphash | 2eabe9054cad5152567f0699947a2c5b | ||
| impfuzzy | 3:sBv:A | ||
Network IP location
Signature (48cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| danger | File has been identified by 37 AntiVirus engines on VirusTotal as malicious |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Appends a known multi-family ransomware file extension to files that have been encrypted |
| watch | Attempts to create or modify system certificates |
| watch | Attempts to identify installed AV products by installation directory |
| watch | Checks for the presence of known devices from debuggers and forensic tools |
| 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 | Detects VMWare through the in instruction feature |
| watch | Harvests credentials from local email clients |
| watch | Harvests credentials from local FTP client softwares |
| watch | Installs itself for autorun at Windows startup |
| watch | Looks for the Windows Idle Time to determine the uptime |
| watch | Network activity contains more than one unique useragent |
| watch | One or more non-whitelisted processes were created |
| watch | Potential code injection by writing to the memory of another process |
| watch | Resumed a suspended thread in a remote process potentially indicative of process injection |
| notice | A process attempted to delay the analysis task. |
| notice | A process created a hidden window |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | An application raised an exception which may be indicative of an exploit crash |
| notice | An executable file was downloaded by the processes explorti.exe |
| notice | Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) |
| notice | Creates executable files on the filesystem |
| notice | Drops a binary and executes it |
| notice | Drops an executable to the user AppData folder |
| notice | Expresses interest in specific running processes |
| notice | HTTP traffic contains suspicious features which may be indicative of malware related traffic |
| notice | One or more potentially interesting buffers were extracted |
| notice | Performs some HTTP requests |
| notice | Potentially malicious URLs were found in the process memory dump |
| 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 | The binary likely contains encrypted or compressed data indicative of a packer |
| notice | Yara rule detected in process memory |
| info | Checks amount of memory in system |
| info | Checks if process is being debugged by a debugger |
| info | Collects information to fingerprint the system (MachineGuid |
| 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 | Tries to locate where the browsers are installed |
Rules (26cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | RedLine_Stealer_b_Zero | RedLine stealer | binaries (download) |
| danger | Win32_Trojan_Gen_1_0904B0_Zero | Win32 Trojan Emotet | binaries (download) |
| warning | EnigmaProtector_IN | EnigmaProtector | binaries (download) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| watch | Admin_Tool_IN_Zero | Admin Tool Sysinternals | binaries (download) |
| watch | Antivirus | Contains references to security software | binaries (download) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (download) |
| watch | UPX_Zero | UPX packed file | binaries (download) |
| notice | anti_vm_detect | Possibly employs anti-virtualization techniques | binaries (download) |
| notice | anti_vm_detect | Possibly employs anti-virtualization techniques | binaries (upload) |
| notice | Code_injection | Code injection with CreateRemoteThread in a remote process | memory |
| info | anti_dbg | Checks if being debugged | memory |
| info | DebuggerCheck__GlobalFlags | (no description) | memory |
| info | DebuggerCheck__QueryInfo | (no description) | memory |
| info | DebuggerHiding__Active | (no description) | memory |
| info | DebuggerHiding__Thread | (no description) | memory |
| info | disable_dep | Bypass DEP | memory |
| info | IsDLL | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| 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) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
Network (18cnts) ?
Suricata ids
ET DROP Spamhaus DROP Listed Traffic Inbound group 33
ET INFO Executable Download from dotted-quad Host
ET INFO Packed Executable Download
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET MALWARE Win32/Amadey Host Fingerprint Exfil (POST) M2
ET MALWARE [SEKOIA.IO] Win32/Stealc C2 Check-in
ET MALWARE Win32/Stealc Requesting browsers Config from C2
ET MALWARE Win32/Stealc Active C2 Responding with browsers Config M1
ET MALWARE Win32/Stealc Requesting plugins Config from C2
ET MALWARE Win32/Stealc/Vidar Stealer Active C2 Responding with plugins Config M1
ET MALWARE Win32/Stealc Submitting System Information to C2
ET INFO Dotted Quad Host DLL Request
ET HUNTING HTTP GET Request for sqlite3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for freebl3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for mozglue.dll - Possible Infostealer Activity
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET HUNTING HTTP GET Request for nss3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for softokn3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for vcruntime140.dll - Possible Infostealer Activity
ET INFO Executable Download from dotted-quad Host
ET INFO Packed Executable Download
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET MALWARE Win32/Amadey Host Fingerprint Exfil (POST) M2
ET MALWARE [SEKOIA.IO] Win32/Stealc C2 Check-in
ET MALWARE Win32/Stealc Requesting browsers Config from C2
ET MALWARE Win32/Stealc Active C2 Responding with browsers Config M1
ET MALWARE Win32/Stealc Requesting plugins Config from C2
ET MALWARE Win32/Stealc/Vidar Stealer Active C2 Responding with plugins Config M1
ET MALWARE Win32/Stealc Submitting System Information to C2
ET INFO Dotted Quad Host DLL Request
ET HUNTING HTTP GET Request for sqlite3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for freebl3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for mozglue.dll - Possible Infostealer Activity
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET HUNTING HTTP GET Request for nss3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for softokn3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for vcruntime140.dll - Possible Infostealer Activity
PE API
IAT(Import Address Table) Library
kernel32.dll
0x46a035 lstrcpy
EAT(Export Address Table) is none
kernel32.dll
0x46a035 lstrcpy
EAT(Export Address Table) is none