MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4610679e66c4bc8abdad4a742823ff3809de1fe5d4a983bbb0dd4eec02136a94. 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


NanoCore


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4610679e66c4bc8abdad4a742823ff3809de1fe5d4a983bbb0dd4eec02136a94
SHA3-384 hash: c7699bd18ad7fc0a794c7548f9b433e6efa01cd21cd3b3f0703862e6db476e91ba0564f6abe8f72a8188a0f4313421d4
SHA1 hash: a38c525f6893f85ff42907c024c02d38b12fdad2
MD5 hash: 152bb0de36d69e13b7e803e9a637b132
humanhash: eight-twelve-item-cardinal
File name:PURCHASE ORDER.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:522'752 bytes
First seen:2020-10-27 12:50:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:1B/BbNtuSz0xaqJvOLptcFuXZD8b6ANgrnlTWs:nBSSz0xa6v4ptKuR8b6KgrnhWs
Threatray 844 similar samples on MalwareBazaar
TLSH 85B43A69B74DDEB0E41659B44812D1F00226FDD2AD62B54BBBC13E0FFDF3649098AE42
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: cloud-linux-07.chaiyohosting.com
Sending IP: 202.43.45.171
From: powersolutions <powersolutions@dynexsemi.com>
Subject: INQUIRY FOR NEW PURCHASE ORDER (URGENT!)
Attachment: PURCHASE ORDER.rar (contains "PURCHASE ORDER.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79913/
Detection(s):
SecuriteInfo.com.Backdoor.MSIL.Kryptik.c593b14a.2620.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/513540
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4610679e66c4bc8abdad4a742823ff3809de1fe5d4a983bbb0dd4eec02136a94/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 09:45:44 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iyigphtgys6ivpnnjj2cqi77hae54h7f2suyho5q3vhoyaqtnkka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
18dddb92c78a57ec4c3eaa117c7db4840e30484a4934af1905451e01d82ba245
NanoCore
71a5467a423eaf4df81e6fb5dbcd7f5ce639c4d18b20af5893afec80d2fcb72d
NanoCore
7f58f70a483138bf0d7c25357b8dd87d6aa94f080cdd24333be6dd51390e45b2
NanoCore
865ace0d8291b403d80bcf26ebbc0adc9b108879fc6df41ea82be1c2c54ad17c
NanoCore
a85ec6da48fcb9402c987b1be9eef89eeb7a71a8a76e0d0caeeb0610724a0bd7
NanoCore
b2b25365ac3fab2649ba188a0c113a558686c049d89bb4b8f3d7439a6e6732c0
NanoCore
b64834eeb000aadaea8048153c40436a4aa12e1ed93b506e5fb7146465b4943c
NanoCore
d5313cb45c7eafd84a3d91d1b94d98693556f528bdad1e420433aed0b54fcae3
NanoCore
e788686b2a0e0efbf94e3f33a47e63494ca216e965191d82cd2922b8af6fe037
NanoCore
ecd685994c047195bf8a03b9e4a4ea800b970285806a417a9160153da37f76cb
NanoCore
+ 834 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Link:
https://tria.ge/reports/201027-g3e4p61k22/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4610679e66c4bc8abdad4a742823ff3809de1fe5d4a983bbb0dd4eec02136a94

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

NanoCore

rar 6ab2cbe04f89cef566963d08f220a202c2b2c57ac1b3e716cb4b4144a3ea967a

NanoCore

Executable exe 4610679e66c4bc8abdad4a742823ff3809de1fe5d4a983bbb0dd4eec02136a94

(this sample)

  
Dropped by
MD5 2c80968bb3845a528302fce486074800
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 6ab2cbe04f89cef566963d08f220a202c2b2c57ac1b3e716cb4b4144a3ea967a
Cape
Cape
https://www.capesandbox.com/analysis/79913/

Comments