Report - rundll32.exe

RAT PWS .NET framework Generic Malware AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2021.10.19 09:55 Machine s1_win7_x6402
Filename rundll32.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
7.8
ZERO API file : malware
VT API (file) 14 detected (malicious, high confidence, Artemis, Unsafe, Save, confidence, Noon, Siggen15, Sabsik, Static AI, Suspicious PE, susgen)
md5 fa3d5b504712ac42e68f6c5d98598e1e
sha256 aaf0400f83fd271800e1f4cb50fab438958eb3771a6b6a9401c5fa66c1c5b956
ssdeep 12288:ny3bU4N/HJRNwwC6dQ7HG+4FnjLlOhsxeHH:0fJrPZQ7HGhBpOyxen
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (16cnts)

Level Description
danger Executed a process and injected code into it
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 File has been identified by 14 AntiVirus engines on VirusTotal as malicious
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 Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
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 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

Rules (13cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult 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 (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (22cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.esyscoloradosprings.com/fqiq/?t8o=KZhYdxsCK4fJ4m+EpksKfhNe7DL7yKRLCyuZj4rSbKSeqpNQJyJA+YHOsqPeAHgrxeW9DyCb&UlX=YvLT_ US UNIFIEDLAYER-AS-1 108.167.135.122 6444 mailcious
http://www.healthyweekendtips.com/fqiq/?t8o=nFNrhldW1G3Iuc6NBw1UbSwwpktYb/50pHeyo/0a7tjLnrEnAw7KG36PTjcGJ5KEduXnU9Wd&UlX=YvLT_ US CLOUDFLARENET 172.67.216.2 6446 mailcious
http://www.ipatchwork.today/fqiq/?t8o=4uUO9SnGhH7qrBLLau2QeKM25d/gV3/zp2Vn/jpTz6zTrds8IKqZgGZbt3S1nhaRXztFEuL7&UlX=YvLT_ US AMAZON-AES 34.233.132.165 clean
http://www.floaterslaser.com/fqiq/?t8o=cd5R1bQmbqnLvLG63I3E0k/wUnqrUWXrQuGYWdnnzDIYGyWqiJOfWgNnmMSyom/RYKC7YMH4&UlX=YvLT_ DE Strato AG 81.169.145.161 clean
http://www.wolmoda.com/fqiq/?t8o=S+cpy0umECTwuTE52eQvldFGZ7uWQHdiwg92XpTlC9HPK4+x2Wa76IO+IolmVoAcN8bu+dPq&UlX=YvLT_ US AMAZON-02 75.2.115.196 clean
http://www.satellitephonstore.com/fqiq/?t8o=Sq1XZHSrpCHed4l0gSE8w/MNMhRnHgbusCiv7TwhFJT/5cEiP7Kz4bRk1Jir79l1clbW8xKQ&UlX=YvLT_ US GOOGLE 35.186.238.101 clean
http://www.applebroog.industries/fqiq/?t8o=0RH9gkF4+S66YbdBg5arrRt8ci9oBvnO84hTkOxxIVwmdJGohZyCC7mOG5N6PcmeIk25yT0k&UlX=YvLT_ US DEFENSE-NET 209.17.116.163 clean
www.healthyweekendtips.com US CLOUDFLARENET 104.21.78.41 clean
www.satellitephonstore.com US GOOGLE 35.186.238.101 clean
www.wolmoda.com US AMAZON-02 75.2.115.196 clean
www.applebroog.industries US DEFENSE-NET 209.17.116.163 clean
www.ipatchwork.today US AMAZON-AES 34.233.132.165 clean
www.esyscoloradosprings.com US UNIFIEDLAYER-AS-1 108.167.135.122 clean
www.quicksticks.community Unknown clean
www.floaterslaser.com DE Strato AG 81.169.145.161 clean
35.186.238.101 US GOOGLE 35.186.238.101 mailcious
209.17.116.163 US DEFENSE-NET 209.17.116.163 mailcious
108.167.135.122 US UNIFIEDLAYER-AS-1 108.167.135.122 mailcious
172.67.216.2 US CLOUDFLARENET 172.67.216.2 clean
81.169.145.161 DE Strato AG 81.169.145.161 mailcious
75.2.115.196 US AMAZON-02 75.2.115.196 mailcious
34.233.132.165 US AMAZON-AES 34.233.132.165 clean

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