MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83c04f2a3f5801098328a9cc65ae112edd7057856e1de82c18f0c16e4b34ec5c. 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



Threat unknown


Vendor detections: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 83c04f2a3f5801098328a9cc65ae112edd7057856e1de82c18f0c16e4b34ec5c
SHA3-384 hash: 5d13230d5416f992803a2cb00e929825a84efe82b16d533ad8fb002892149107f1a9bf35928268a52de3cbfaed9e7810
SHA1 hash: 19778bb7cd2db67c866fcdf6aee2c33e3af04fd0
MD5 hash: 21467498869a0409cd7ac6f1ea8b059d
humanhash: floor-edward-six-mexico
File name:attach Swift copy.pdf.exe
Download: download sample
File size:141'312 bytes
First seen:2022-02-02 07:25:40 UTC
Last seen:2022-02-02 16:37:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:9pKQxrrSFVVrVtuM1rcbgv+VKVwvRDdVvD+mXtg:3VS1rVAMrMOWNDF
Threatray 1'171 similar samples on MalwareBazaar
TLSH T1F5D38C1122AC0F5BC67E4FF96134A68503F9AF266621E2694CF770CFA4D6F011B11BA7
Reporter lowmal3
Tags:exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
SUSPICIOUS
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:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 565526 Sample: attach Swift copy.pdf.exe Startdate: 03/02/2022 Architecture: WINDOWS Score: 80 22 Antivirus detection for URL or domain 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 .NET source code contains potential unpacker 2->26 28 5 other signatures 2->28 6 attach Swift copy.pdf.exe 15 3 2->6         started        process3 dnsIp4 20 179.43.140.183, 49766, 80 PLI-ASCH Panama 6->20 18 C:\Users\...\attach Swift copy.pdf.exe.log, ASCII 6->18 dropped 10 RegAsm.exe 6->10         started        12 RegAsm.exe 6->12         started        14 RegAsm.exe 6->14         started        16 2 other processes 6->16 file5 process6
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2022-02-02 06:12:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
63f6b18733987dd1d42672723555c0d2154456972da87f53dac692497c079911
MD5 hash:
5a619a8a29515c36632baa4e855887f0
SHA1 hash:
b5633e39d8b304892b7dca3dfed7248f2b73b7cf
SH256 hash:
83c04f2a3f5801098328a9cc65ae112edd7057856e1de82c18f0c16e4b34ec5c
MD5 hash:
21467498869a0409cd7ac6f1ea8b059d
SHA1 hash:
19778bb7cd2db67c866fcdf6aee2c33e3af04fd0
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: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.

Malspam

Executable exe 83c04f2a3f5801098328a9cc65ae112edd7057856e1de82c18f0c16e4b34ec5c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments