Report - prescos.exe

Generic Malware Admin Tool (Sysinternals etc ...) AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2021.11.09 10:06 Machine s1_win7_x6401
Filename prescos.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
11.2
ZERO API file : clean
VT API (file) 23 detected (Agensla, malicious, high confidence, Unsafe, Kryptik, Eldorado, Malcode, gdn30, Noon, Artemis, Static AI, Malicious PE, AGEN, AgentTesla, score, R002H07K821, ZemsilF, Jm0@a0ejeHd, confidence, susgen)
md5 32b7b97a9f131f197565167b4fe8f2ed
sha256 e3464b7f409ae4e49388968a9d3521ee506a2c7d3b5bed8590c74deb023ee749
ssdeep 12288:3mAfHxLZD7CSPt4COLC/uRJ2ufL+rie60P:3tHxND7CSe9LC/CD+M0P
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (23cnts)

Level Description
danger Executed a process and injected code into it
warning File has been identified by 23 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
watch Code injection by writing an executable or DLL to the memory of another process
watch Deletes executed files from disk
watch Manipulates memory of a non-child process indicative of process injection
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
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
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 Terminates another process
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 Checks amount of memory in system
info Checks if process is being debugged by a debugger

Rules (17cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (download)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
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 Is_DotNET_EXE (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
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

Network (30cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.juliorodriguez.info/sywu/?QFQLCr=5VRIM5ss2p6ZudMjCnrL8O/59St/KGbj2TdWvwSpCUm0KuOvA/1YYy3NuZ8h0Sqrozu1Sf00&oXU=_6g8ydKhyJots US 1&1 Ionos Se 74.208.236.124 clean
http://www.mikes-marine.com/sywu/?QFQLCr=PbabmpsWFdXWMNTeeZ9jCNWPOn1z0XvHeI08BocNs8nNIG8Ni599zrxFdxp3gdzeKqca/8nw&oXU=_6g8ydKhyJots US INMOTI-1 172.81.119.116 7348 clean
http://www.gengzicompute.com/sywu/?QFQLCr=Sg/J+PD4SKoqXgcmmzEPzbkHChriOJdDtNPl57LzzQHkFhA1i4k5hjYuVkkFWhs3HT30LL4x&oXU=_6g8ydKhyJots JP AMAZON-02 35.75.36.192 7346 clean
http://www.xiaye.tech/sywu/?QFQLCr=x7Iu+fJ4CmAPupAvzY5WOl6wiV/RAzr8WM0SK4RPaHw8bh00os20c9SAOwy8lJ+c+kxB1kQ/&oXU=_6g8ydKhyJots SG BGPNET Global ASN 180.215.198.11 clean
http://www.heller.legal/sywu/?QFQLCr=+W5iPjmNShX7Fk/+KG2exPFYjLOMVLK3Ae1Rlp57G0GXt2//EO1I9i0ykHjehxLSnRB6hliw&oXU=_6g8ydKhyJots US NAMECHEAP-NET 198.54.117.212 clean
http://www.lighthouseta.com/sywu/?QFQLCr=Fif6t9qBJS7PfbW+nV4zZIDOtUBpWKOdgsWufsEgrcVkaPOFX3rA+XhOwSnXgM/wsAdsDFIh&oXU=_6g8ydKhyJots SG AS-26496-GO-DADDY-COM-LLC 182.50.132.242 7341 clean
http://www.astrovivan.com/sywu/?QFQLCr=o5sNhDhfZJRS9/SUQMPBXHG3DbFi02fRsIqKUlu4kB6TLWYpQz0wrHenFh/mZBJR92RFyso8&oXU=_6g8ydKhyJots DE Contabo GmbH 167.86.115.24 clean
http://www.lakeshoreurology.net/sywu/?QFQLCr=up20VcKRKdIgZz9VU8Md9oKitDDtgDFv/ji54jlEG7zvlMtIMbWFEpf4avyP5SUHM5ilpOCa&oXU=_6g8ydKhyJots US None 107.160.82.250 clean
http://www.38leckiestreet.com/sywu/?QFQLCr=/vgTM4p9Z9iBgidmSY6A4cWY0D0pZxvvQpGDn6K72F4Gd8RLtU+z71PJ62L3W5IEhfgKqCPr&oXU=_6g8ydKhyJots AU MICROSOFT-CORP-MSN-AS-BLOCK 52.147.15.202 7345 clean
www.heller.legal US NAMECHEAP-NET 198.54.117.212 clean
www.juliorodriguez.info US 1&1 Ionos Se 74.208.236.124 clean
www.lakeshoreurology.net US None 107.160.82.250 clean
www.bajajfinserv-amc.com Unknown clean
www.lighthouseta.com SG AS-26496-GO-DADDY-COM-LLC 182.50.132.242 clean
www.parkate.club Unknown clean
www.gengzicompute.com JP AMAZON-02 35.75.36.192 clean
www.xiaye.tech SG BGPNET Global ASN 180.215.198.11 clean
www.38leckiestreet.com AU MICROSOFT-CORP-MSN-AS-BLOCK 52.147.15.202 clean
www.mikes-marine.com US INMOTI-1 172.81.119.116 clean
www.ppaltobk.com Unknown clean
www.astrovivan.com DE Contabo GmbH 167.86.115.24 clean
167.86.115.24 DE Contabo GmbH 167.86.115.24 clean
172.81.119.116 US INMOTI-1 172.81.119.116 clean
198.54.117.210 US NAMECHEAP-NET 198.54.117.210 mailcious
180.215.198.11 SG BGPNET Global ASN 180.215.198.11 clean
52.147.15.202 AU MICROSOFT-CORP-MSN-AS-BLOCK 52.147.15.202 mailcious
182.50.132.242 SG AS-26496-GO-DADDY-COM-LLC 182.50.132.242 mailcious
35.75.36.192 JP AMAZON-02 35.75.36.192 clean
107.160.82.250 US None 107.160.82.250 clean
74.208.236.124 US 1&1 Ionos Se 74.208.236.124 malware

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x402000 _CorExeMain

EAT(Export Address Table) is none



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