Report - DownFlSetup999.exe

RAT PWS .NET framework Generic Malware UPX PE File PE32 .NET EXE OS Processor Check
ScreenShot
Created 2021.10.27 22:07 Machine s1_win7_x6401
Filename DownFlSetup999.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
11.4
ZERO API file : clean
VT API (file) 19 detected (malicious, high confidence, score, Save, confidence, Eldorado, Generic ML PUA, ASMalwS, Sabsik, HeapOverride, Unsafe, Static AI, Malicious PE, ZemsilF, du0@aefkPek)
md5 fbe63f23b748aa26ebb75e73edc84520
sha256 18e4e565d2c36e0f6fecf509c2b51d161d16e7d1b10bff3371a610ad6613ab04
ssdeep 1536:X4r8j2O3HInT8fvaq8XQzFoawhLFc2W8adVBP:IrAT3onTGaEz6hLFlWNHP
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (30cnts)

Level Description
watch Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch File has been identified by 19 AntiVirus engines on VirusTotal as malicious
watch Harvests credentials from local FTP client softwares
watch Installs itself for autorun at Windows startup
notice A process attempted to delay the analysis task.
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks adapter addresses which can be used to detect virtual network interfaces
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates executable files on the filesystem
notice Creates hidden or system file
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 Queries for potentially installed applications
notice Sends data using the HTTP POST Method
notice Steals private information from local Internet browsers
notice Terminates another process
notice The binary likely contains encrypted or compressed data indicative of a packer
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Collects information to fingerprint the system (MachineGuid
info One or more processes crashed
info Queries for the computername
info The executable contains unknown PE section names indicative of a packer (could be a false positive)
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (13cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch UPX_Zero UPX packed file binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (download)
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 OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (download)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (22cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://the-lead-bitter.com/ US CLOUDFLARENET 172.67.160.101 6273 mailcious
https://iplogger.org/1aNhd7 DE Hetzner Online GmbH 88.99.66.31 clean
https://niemannbest.me/?user=p9_3 US CLOUDFLARENET 104.21.51.48 6275 mailcious
https://niemannbest.me/?user=p9_2 US CLOUDFLARENET 104.21.51.48 6275 mailcious
https://niemannbest.me/?user=p9_1 US CLOUDFLARENET 104.21.51.48 6275 mailcious
https://niemannbest.me/?user=p9_7 US CLOUDFLARENET 104.21.51.48 6275 mailcious
https://niemannbest.me/?user=p9_6 US CLOUDFLARENET 104.21.51.48 6275 mailcious
https://niemannbest.me/?user=p9_5 US CLOUDFLARENET 104.21.51.48 6275 mailcious
https://niemannbest.me/?user=p9_4 US CLOUDFLARENET 104.21.51.48 6275 mailcious
https://iplogger.org/1aBhd7 DE Hetzner Online GmbH 88.99.66.31 clean
https://api.ip.sb/ip US CLOUDFLARENET 172.67.75.172 clean
api.ip.sb US CLOUDFLARENET 104.26.12.31 clean
querahinor.xyz EE Mulgin Alexander Sergeevich 45.129.99.59 clean
the-lead-bitter.com US CLOUDFLARENET 104.21.66.135 mailcious
niemannbest.me US CLOUDFLARENET 104.21.51.48 mailcious
iplogger.org DE Hetzner Online GmbH 88.99.66.31 mailcious
172.67.160.101 US CLOUDFLARENET 172.67.160.101 clean
172.67.75.172 US CLOUDFLARENET 172.67.75.172 mailcious
45.129.99.59 EE Mulgin Alexander Sergeevich 45.129.99.59 clean
88.99.66.31 DE Hetzner Online GmbH 88.99.66.31 mailcious
193.150.103.37 RU General-Telecom Ltd. 193.150.103.37 clean
104.21.51.48 US CLOUDFLARENET 104.21.51.48 mailcious

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x416000 _CorExeMain

EAT(Export Address Table) is none



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