ScreenShot
| Created | 2021.11.01 11:41 | Machine | s1_win7_x6403 |
| Filename | instd.exe | ||
| Type | PE32 executable (GUI) Intel 80386, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : clean | ||
| VT API (file) | 42 detected (AIDetect, malware1, Malicious, high confidence, Artemis, Unsafe, Save, Attribute, HighConfidence, a variant of Generik, HOTRTHM, score, Zenpak, Upatre, Static AI, Malicious PE, ai score=82, Sabsik, BScope, Mufila, MachineLearning, Anomalous, R002H07JU21, Generic@ML, RDMK, 5Mo5Q4NVKDVk0zFMidBEzQ, PossibleThreat, confidence) | ||
| md5 | eea1c3d1ab9dd50b3dae826b35c8b138 | ||
| sha256 | 7e148999439b83e74d823e98f7a82e4bd75d5e259e4c6351aabbb446eb9dfcc8 | ||
| ssdeep | 6144:lRqUj7H4qyEcBDcUGi9ghYW2bGj9Gz+NpYg5iYI5Lw6/30iEtE/6uz6HgNQHJxWU:lRq47H/tcBDcUG6ghSW9GiNpYJYI5U6M | ||
| imphash | ca4c54abb883e5c1afbe2edfacafd15e | ||
| impfuzzy | 12:/B+5QGu4Gv+GXR1y5hF89qAxDZ1mBZGqe:/B+5T0v+GGVFmDZ1gk | ||
Network IP location
Signature (20cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 42 AntiVirus engines on VirusTotal as malicious |
| warning | Generates some ICMP traffic |
| watch | Installs itself for autorun at Windows startup |
| watch | One or more of the buffers contains an embedded PE file |
| watch | Resumed a suspended thread in a remote process potentially indicative of process injection |
| notice | A process created a hidden window |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| notice | Drops a binary and executes it |
| notice | Expresses interest in specific running processes |
| notice | One or more potentially interesting buffers were extracted |
| notice | Searches running processes potentially to identify processes for sandbox evasion |
| notice | The binary likely contains encrypted or compressed data indicative of a packer |
| notice | Uses Windows utilities for basic Windows functionality |
| notice | Yara rule detected in process memory |
| info | Command line console output was observed |
| info | One or more processes crashed |
| info | Queries for the computername |
| info | The executable uses a known packer |
Rules (19cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (upload) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (download) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (upload) |
| watch | schtasks_Zero | task schedule | memory |
| notice | Code_injection | Code injection with CreateRemoteThread in a remote process | memory |
| info | anti_dbg | Checks if being debugged | memory |
| info | Check_Dlls | (no description) | 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 | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| 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 |
PE API
IAT(Import Address Table) Library
MSVCRT.dll
0x42f030 _controlfp
0x42f034 _except_handler3
0x42f038 __set_app_type
0x42f03c __p__fmode
0x42f040 __p__commode
0x42f044 _adjust_fdiv
0x42f048 __setusermatherr
0x42f04c _initterm
0x42f050 __wgetmainargs
0x42f054 _wcmdln
0x42f058 exit
0x42f05c _XcptFilter
0x42f060 _exit
0x42f064 srand
0x42f068 rand
0x42f06c memset
KERNEL32.dll
0x42f000 GetStartupInfoW
0x42f004 GetModuleHandleW
0x42f008 lstrcmpiW
0x42f00c LoadLibraryA
0x42f010 VirtualAlloc
0x42f014 GetProcAddress
0x42f018 VirtualAllocExNuma
0x42f01c VirtualFree
0x42f020 GetCurrentProcess
0x42f024 ExitProcess
0x42f028 GetSystemTimeAsFileTime
EAT(Export Address Table) is none
MSVCRT.dll
0x42f030 _controlfp
0x42f034 _except_handler3
0x42f038 __set_app_type
0x42f03c __p__fmode
0x42f040 __p__commode
0x42f044 _adjust_fdiv
0x42f048 __setusermatherr
0x42f04c _initterm
0x42f050 __wgetmainargs
0x42f054 _wcmdln
0x42f058 exit
0x42f05c _XcptFilter
0x42f060 _exit
0x42f064 srand
0x42f068 rand
0x42f06c memset
KERNEL32.dll
0x42f000 GetStartupInfoW
0x42f004 GetModuleHandleW
0x42f008 lstrcmpiW
0x42f00c LoadLibraryA
0x42f010 VirtualAlloc
0x42f014 GetProcAddress
0x42f018 VirtualAllocExNuma
0x42f01c VirtualFree
0x42f020 GetCurrentProcess
0x42f024 ExitProcess
0x42f028 GetSystemTimeAsFileTime
EAT(Export Address Table) is none