Report - rundll32.exe

PWS .NET framework Generic Malware AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2021.10.27 10:01 Machine s1_win7_x6403
Filename rundll32.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
7.2
ZERO API file : clean
VT API (file)
md5 9b5b273ed09f8565eb795f35ba1e33c6
sha256 c0363e690238ce1be218baa1c66a3fe647df3740da9448788945c6863ac6b07c
ssdeep 12288:7VhImH4SCWup+98p6oDGAZQrOBcGvSBJGQGQ:RF4SCWa+7oJQrMrkX
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (15cnts)

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 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 (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 (24cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.kangrungao.com/fqiq/?Bh=c0qy46zMNJWMlIfJWvLWas23i13YCpczqQVz26IikTOu0V/FV9kYBe5yW824zHJtR/JIW+qz&SzrhP4=EzrtzlQp VN Tencent Building, Kejizhongyi Avenue 101.32.31.22 clean
http://www.esyscoloradosprings.com/fqiq/?Bh=KZhYdxsCK4fJ4m+EpksKfhNe7DL7yKRLCyuZj4rSbKSeqpNQJyJA+YHOsqPeAHgrxeW9DyCb&SzrhP4=EzrtzlQp US UNIFIEDLAYER-AS-1 108.167.135.122 6444 mailcious
http://www.eclecticrenaissancewoman.com/fqiq/?Bh=r0/ZbJtj1KlrPUtj6ktEAad/47kkdxrfw2ceKfpFhpDkJU8+thj5a8jyelsFbI6qHEc9DomI&SzrhP4=EzrtzlQp US UNIFIEDLAYER-AS-1 74.220.199.6 clean
http://www.ribbonofficial.com/fqiq/?Bh=MhZqZeIjocZO8TTrBOs++VNt6zdxCxYLlsPuJAiQzU371teukL1ZYFZBA4It4Rq6QPk1WBTT&SzrhP4=EzrtzlQp CA CLOUDFLARENET 23.227.38.74 clean
http://www.floaterslaser.com/fqiq/?Bh=cd5R1bQmbqnLvLG63I3E0k/wUnqrUWXrQuGYWdnnzDIYGyWqiJOfWgNnmMSyom/RYKC7YMH4&SzrhP4=EzrtzlQp DE Strato AG 81.169.145.161 6689 mailcious
http://www.markarge.com/fqiq/?Bh=XEjjI14tUtVaEH1QyrI6OtCMD91wQ8G2c0pwY2Wm0y537Ju/QhVbfyWLrlCWZSdAfVrEc7mJ&SzrhP4=EzrtzlQp SG AS-26496-GO-DADDY-COM-LLC 182.50.132.242 clean
http://www.lavishbynovell.com/fqiq/?Bh=A0k50bUP9Xo0F1fuesuUyOcgxOBnaOltcHXAUh5ipYJu8U4xshhCEanj2JPK9AjCHyuZW1cJ&SzrhP4=EzrtzlQp NL Transip B.V. 37.97.254.27 clean
www.begukiu0.info Unknown clean
www.mountlaketerraceapartments.com Unknown mailcious
www.markarge.com SG AS-26496-GO-DADDY-COM-LLC 182.50.132.242 clean
www.eclecticrenaissancewoman.com US UNIFIEDLAYER-AS-1 74.220.199.6 clean
www.ribbonofficial.com CA CLOUDFLARENET 23.227.38.74 clean
www.lavishbynovell.com NL Transip B.V. 37.97.254.27 clean
www.esyscoloradosprings.com US UNIFIEDLAYER-AS-1 108.167.135.122 mailcious
www.kangrungao.com VN Tencent Building, Kejizhongyi Avenue 101.32.31.22 clean
www.floaterslaser.com DE Strato AG 81.169.145.161 clean
www.dmc--llc.com Unknown mailcious
108.167.135.122 US UNIFIEDLAYER-AS-1 108.167.135.122 mailcious
81.169.145.161 DE Strato AG 81.169.145.161 mailcious
74.220.199.6 US UNIFIEDLAYER-AS-1 74.220.199.6 mailcious
182.50.132.242 SG AS-26496-GO-DADDY-COM-LLC 182.50.132.242 mailcious
101.32.31.22 VN Tencent Building, Kejizhongyi Avenue 101.32.31.22 clean
37.97.254.27 NL Transip B.V. 37.97.254.27 suspicious
23.227.38.74 CA CLOUDFLARENET 23.227.38.74 mailcious

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