Report - chrome_elf.dll

ScreenShot
Created 2021.04.12 08:04 Machine s1_win7_x6402
Filename chrome_elf.dll
Type PE32 executable (DLL) (console) Intel 80386, for MS Windows, UPX compressed
AI Score
2
Behavior Score
5.6
ZERO API file : clean
VT API (file) 18 detected (malicious, high confidence, Bulz, Kryptik, GXYG, Deepscan, Shellex, CLOUD, Farfli, ai score=88, Genetic)
md5 98e44115d6f4faaa25524d66776c4eb7
sha256 69d8803acb91391e58dca18e69448c74fb604e6e6e53ee3fdc5446207a00f0c6
ssdeep 49152:OMMYZfLghGFn/uNHpYbajfOGnCzV5vdn:Osz/ep5pq5
imphash bfa09c2150c5efbf28278293aa8014c7
impfuzzy 6:dBJAEHGDzyRY8zDWvC3658Tz0j9w5/KJwdwp6WNLbBnaMBqAAeliTXi21:VA/Dz98zDhruq5FCpzxCteliXP
  Network IP location

Signature (14cnts)

Level Description
watch Communicates with host for which no DNS query was performed
watch File has been identified by 18 AntiVirus engines on VirusTotal as malicious
watch Installs itself for autorun at Windows startup
notice Allocates read-write-execute memory (usually to unpack itself)
notice Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time)
notice Foreign language identified in PE resource
notice Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
notice Repeatedly searches for a not-found process
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 The executable is compressed using UPX
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info The file contains an unknown PE resource name possibly indicative of a packer

Rules (8cnts)

Level Name Description Collection
watch UPX_Zero UPX packed file binaries (upload)
info IsDLL (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature Zero binaries (upload)
info HasRichSignature Rich Signature Check binaries (upload)
info IsConsole (no description) binaries (upload)
info IsPacked Entropy Check binaries (upload)
info screenshot Take screenshot binaries (upload)

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
103.145.86.184 CN Anchnet Asia Limited 103.145.86.184 clean

Suricata ids

PE API

IAT(Import Address Table) Library

KERNEL32.DLL
 0x10423830 LoadLibraryA
 0x10423834 GetProcAddress
 0x10423838 VirtualProtect
ADVAPI32.dll
 0x10423840 RegEnumKeyA
GDI32.dll
 0x10423848 BitBlt
gdiplus.dll
 0x10423850 GdipFree
IMM32.dll
 0x10423858 ImmGetContext
MSIMG32.dll
 0x10423860 AlphaBlend
ole32.dll
 0x10423868 DoDragDrop
OLEACC.dll
 0x10423870 LresultFromObject
OLEAUT32.dll
 0x10423878 SysAllocString
SHELL32.dll
 0x10423880 DragFinish
SHLWAPI.dll
 0x10423888 PathIsUNCA
USER32.dll
 0x10423890 GetDC
UxTheme.dll
 0x10423898 IsAppThemed
WINMM.dll
 0x104238a0 PlaySoundA
WINSPOOL.DRV
 0x104238a8 GetJobA

EAT(Export Address Table) Library

0x100045f0 SignalChromeElf


Similarity measure (PE file only) - Checking for service failure