MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2395406485367f123c11e0ad5b8a1ce58638921fb7e7acfdd06e341135b2d8df. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



SpectreRAT


Vendor detections: 12


Intelligence 12 IOCs 1 YARA 3 File information Comments

SHA256 hash: 2395406485367f123c11e0ad5b8a1ce58638921fb7e7acfdd06e341135b2d8df
SHA3-384 hash: 3cd236aa31fb46978ea4e30f0d961802e136d2fefc4913da92bedd8cb83316a7f5605a0f4cb63da93305fa9df20b8d3c
SHA1 hash: d591601de190d23d60f27b1bbb227a56ff851ab4
MD5 hash: 431c4d7edf036f26f5dd9843f08806b2
humanhash: four-fix-delta-bulldog
File name:431c4d7edf036f26f5dd9843f08806b2.exe
Download: download sample
Signature SpectreRAT
File size:965'632 bytes
First seen:2022-03-23 07:11:36 UTC
Last seen:2022-03-25 07:28:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:PsTZ10rF1jUxPa93y9yFSkDJHulXcN+pxx:E9iue3y9yFZt4XdX
Threatray 25 similar samples on MalwareBazaar
TLSH T1E625289C716072DFC85BD872DEA82C68FB5174BB931F4203942725ADAA5D897CF180F2
File icon (PE):PE icon
dhash icon f8f8f8ecf4dcfc7e (1 x SpectreRAT)
Reporter abuse_ch
Tags:exe SpectreRAT


Avatar
abuse_ch
SpectreRAT C2:
http://179.43.140.233/v4/api_t.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://179.43.140.233/v4/api_t.php https://threatfox.abuse.ch/ioc/441537/

Intelligence


File Origin
# of uploads :
3
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request
Creating a window
Creating a file in the %AppData% subdirectories
Sending an HTTP POST request
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Spectre Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to register a low level keyboard hook
Installs a global keyboard hook
Leaks process information
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
PE file contains section with special chars
PE file has nameless sections
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Spectre Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 594931 Sample: RsVK8016E8.exe Startdate: 23/03/2022 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 7 other signatures 2->68 8 RsVK8016E8.exe 1 2->8         started        process3 file4 44 C:\Users\user\AppData\...\RsVK8016E8.exe.log, ASCII 8->44 dropped 70 Obfuscated command line found 8->70 72 Contains functionality to register a low level keyboard hook 8->72 12 RsVK8016E8.exe 29 8->12         started        signatures5 process6 dnsIp7 58 179.43.140.233, 49772, 49773, 49774 PLI-ASCH Panama 12->58 60 192.168.2.1 unknown unknown 12->60 54 C:\Users\user\AppData\Roaming\...\unzip.exe, PE32 12->54 dropped 56 C:\Users\user\AppData\Local\...\unzip[1].exe, PE32 12->56 dropped 74 Obfuscated command line found 12->74 76 Tries to harvest and steal browser information (history, passwords, etc) 12->76 78 Installs a global keyboard hook 12->78 17 cmd.exe 1 12->17         started        19 cmd.exe 2 12->19         started        21 cmd.exe 12->21         started        23 3 other processes 12->23 file8 signatures9 process10 process11 25 unzip.exe 13 17->25         started        28 conhost.exe 17->28         started        30 PsInfo.exe 1 19->30         started        32 PsInfo64.exe 1 19->32         started        34 conhost.exe 19->34         started        40 3 other processes 21->40 36 PsInfo64.exe 1 1 23->36         started        38 conhost.exe 23->38         started        42 2 other processes 23->42 file12 46 C:\Users\user\AppData\...\vcruntime140.dll, PE32 25->46 dropped 48 C:\Users\user\AppData\Roaming\...\sqlite3.dll, PE32 25->48 dropped 50 C:\Users\user\AppData\...\softokn3.dll, PE32 25->50 dropped 52 9 other files (none is malicious) 25->52 dropped
Threat name:
ByteCode-MSIL.Trojan.RealProtectPENG
Status:
Malicious
First seen:
2022-03-23 07:12:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
910bf0e9cabf94172cc70f6f90092ef08ac3e62b5d7533b7c48a389e7c685032
MD5 hash:
9596d1643d6b6591ebb73b343b6df3a1
SHA1 hash:
1ab5a15d2bbd619d14ab0e3a98c202c405abb8da
Detections:
win_spectre_w0
SH256 hash:
e245c4a7d41e095b5c5136a89e698bd11e452594d864e250607cff2b2efadbab
MD5 hash:
6c991f5490cd23d8df31d89864395b21
SHA1 hash:
a6e3fde5d6f72fce36c5a8955a6025d92efb4356
SH256 hash:
43c415d5dcd5987dba3c3b72558087f63fafbf1fba400756bf7630dd369549e1
MD5 hash:
dc336a9a06709a4f636355618ef80700
SHA1 hash:
f3fd52ee77da0cae34230cae561ba1ef5d2c8ea0
SH256 hash:
2395406485367f123c11e0ad5b8a1ce58638921fb7e7acfdd06e341135b2d8df
MD5 hash:
431c4d7edf036f26f5dd9843f08806b2
SHA1 hash:
d591601de190d23d60f27b1bbb227a56ff851ab4
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:MALWARE_Win_Spectre
Author:ditekSHen
Description:Detects Spectre infostealer
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

SpectreRAT

Executable exe 2395406485367f123c11e0ad5b8a1ce58638921fb7e7acfdd06e341135b2d8df

(this sample)

  
Delivery method
Distributed via web download

Comments