Report - rundll32.exe

PWS .NET framework Generic Malware AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2021.10.16 13:22 Machine s1_win7_x6401
Filename rundll32.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
8.4
ZERO API file : malware
VT API (file) 17 detected (Noon, Unsafe, malicious, confidence, Kryptik, Eldorado, GenKryptik, FMBC, Artemis, AgentTesla, score, FLEY, susgen)
md5 09c8e4c071be047a8e47bc7da2144a86
sha256 ba22bb07f3ef12877682493d25ed29cf6e2ca6c9ce2bc9527396a7bae00ec578
ssdeep 6144:3Rpsi24MkhBccsES9FfFi4v4ItBQHxkd5NaLTnBN1ldf3exC1K0wn0hReJywp54O:3RSi2TSBch9FfX4ItAkd5Na3dl5EMO0Q
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (18cnts)

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 17 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 Sends data using the HTTP POST Method
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 This executable has a PDB path

Rules (12cnts)

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

Network (35cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.yamacorp.digital/fqiq/?oPqLRL=M8EV+3ovsEMdktBkEix26icKR/EOtVSURZNfj8BEgByaWxyramv04i2EvFiTdonxleLcsdR4&Lv0h=ZVypVbS8c GB NAMECHEAP-NET 185.61.153.108 clean
http://www.weeden.xyz/fqiq/ US UNIFIEDLAYER-AS-1 192.185.5.49 clean
http://www.srofkansas.com/fqiq/ US BODIS-NJ 199.59.242.153 6445 mailcious
http://www.esyscoloradosprings.com/fqiq/ US UNIFIEDLAYER-AS-1 108.167.135.122 6444 mailcious
http://www.yamacorp.digital/fqiq/ GB NAMECHEAP-NET 185.61.153.108 clean
http://www.4bellemaison.com/fqiq/ AU MICROSOFT-CORP-MSN-AS-BLOCK 52.147.15.202 clean
http://www.seal-brother.com/fqiq/?oPqLRL=mnFbYCr+AW78Kl2ulk1rPiA6Of2qOAThWlvrEIJbjMlKOtQ7tqTA3v+J7YK2FP1KSWelWkwc&Lv0h=ZVypVbS8c JP SAKURA Internet Inc. 59.106.13.53 clean
http://www.hanenosuke.com/fqiq/ US CLOUDFLARENET 172.67.150.160 clean
http://www.sophiagunterman.art/fqiq/?oPqLRL=xr2hRkHSJ+UsXowxi6McaJRxgcInZTFjwe9eYARVx2PKFNYpXRh/IJY1HCqVtWxffV7QcJh9&Lv0h=ZVypVbS8c US AMAZON-AES 35.169.40.107 clean
http://www.esyscoloradosprings.com/fqiq/?oPqLRL=KZhYdxsCK4fJ4m+EpksKfhNe7DL7yKRLCyuZj4rSbKSeqpNQJyJA+YHOsqPeAHgrxeW9DyCb&Lv0h=ZVypVbS8c US UNIFIEDLAYER-AS-1 108.167.135.122 6444 mailcious
http://www.weeden.xyz/fqiq/?oPqLRL=USYLug/oA1YO3zHhBpyf49MelhMmknrjwB+F0T6I7p0aWr8Ic8GlSHHjxu6xNcH2bdjI/bcO&Lv0h=ZVypVbS8c US UNIFIEDLAYER-AS-1 192.185.5.49 clean
http://www.4bellemaison.com/fqiq/?oPqLRL=pVy0te3+f5YTkdzZvZ2VLxiaenEFjhJOmtKP8w+eQDwc/hJpDlGml3GHPqPqoWWLi+7PNiIM&Lv0h=ZVypVbS8c AU MICROSOFT-CORP-MSN-AS-BLOCK 52.147.15.202 clean
http://www.sophiagunterman.art/fqiq/ US AMAZON-AES 35.169.40.107 clean
http://www.srofkansas.com/fqiq/?oPqLRL=wFDpWBcybTtkZf6rJwxG8GxnrXCHdVwe5dpvC2P+G/35kvGl/Iz1QduPYt3eFaCRSD2mr4cI&Lv0h=ZVypVbS8c US BODIS-NJ 199.59.242.153 6445 mailcious
http://www.seal-brother.com/fqiq/ JP SAKURA Internet Inc. 59.106.13.53 clean
http://www.hanenosuke.com/fqiq/?oPqLRL=xeMdXENerBxjIMz2FKChqf1nt0cxl+Ge/IuoWLeYNAKPizmuJVRlAC2vXkQEDiA7tI/nE2A5&Lv0h=ZVypVbS8c US CLOUDFLARENET 172.67.150.160 clean
www.mountlaketerraceapartments.com Unknown clean
www.hanenosuke.com US CLOUDFLARENET 104.21.96.28 clean
www.sophiagunterman.art US AMAZON-AES 34.225.31.148 clean
www.4bellemaison.com AU MICROSOFT-CORP-MSN-AS-BLOCK 52.147.15.202 clean
www.srofkansas.com US BODIS-NJ 199.59.242.153 clean
www.qywyfeo8.xyz Unknown mailcious
www.yamacorp.digital GB NAMECHEAP-NET 185.61.153.108 clean
www.seal-brother.com JP SAKURA Internet Inc. 59.106.13.53 clean
www.esyscoloradosprings.com US UNIFIEDLAYER-AS-1 108.167.135.122 clean
www.weeden.xyz US UNIFIEDLAYER-AS-1 192.185.5.49 clean
www.dmc--llc.com Unknown clean
35.169.40.107 US AMAZON-AES 35.169.40.107 mailcious
108.167.135.122 US UNIFIEDLAYER-AS-1 108.167.135.122 mailcious
172.67.150.160 US CLOUDFLARENET 172.67.150.160 clean
185.61.153.108 GB NAMECHEAP-NET 185.61.153.108 phishing
52.147.15.202 AU MICROSOFT-CORP-MSN-AS-BLOCK 52.147.15.202 mailcious
192.185.5.49 US UNIFIEDLAYER-AS-1 192.185.5.49 clean
199.59.242.153 US BODIS-NJ 199.59.242.153 mailcious
59.106.13.53 JP SAKURA Internet Inc. 59.106.13.53 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