MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 96cdf96daea9002d2dcf31e5d37b7df4942ef6085209df1f6b269b9baca3e40a. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 96cdf96daea9002d2dcf31e5d37b7df4942ef6085209df1f6b269b9baca3e40a
SHA3-384 hash: 9f7b509c9b862b206b8c7f3b7721340af0ff4a8d9473e69ea1d6aaa1ee10d6873730e903fd65b6e7a44d7abb19e6a2e2
SHA1 hash: bd61a9c97e54b031ae4eaeb7f69f2006454e1edc
MD5 hash: 6618b8298100d5fb25d23b498a33d492
humanhash: uncle-blossom-three-paris
File name:Doc#6620200947535257653.exe
Download: download sample
Signature NanoCore
File size:5'468'672 bytes
First seen:2021-01-12 16:55:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 98304:wfAG/Q0IRjCdGmZFT4nNSOJPtbFEG219YgQA2XNBe6/BBwM5q7HjQ5hZLbQh+B6j:wfA6tGm7T4nB+G219jQAABeIaMI7DQ5s
Threatray 108 similar samples on MalwareBazaar
TLSH A24612CAD7E1594BD12421F55989EAA80311FCF97A52C228BA00FCDDBF333E19C5A1E5
Reporter abuse_ch
Tags:exe Hostwinds NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: hwsrv-816834.hostwindsdns.com
Sending IP: 192.119.66.34
From: Purchase <purchase@arabico.ae>
Subject: URGENT QUOTATION - arabico company dubai
Attachment: Doc6620200947535257653.iso (contains "Doc#6620200947535257653.exe")

NanoCore RAT C2:
annapro.linkpc.net:2212 (105.112.106.128)

Intelligence


File Origin
# of uploads :
1
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 338654 Sample: Doc#6620200947535257653.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->59 61 7 other signatures 2->61 8 Doc#6620200947535257653.exe 6 2->8         started        process3 file4 39 C:\Users\user\AppData\...\gjhgkuytgkgfgd.exe, PE32 8->39 dropped 41 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->41 dropped 43 C:\...\gjhgkuytgkgfgd.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\...\Doc#6620200947535257653.exe.log, ASCII 8->45 dropped 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->65 12 gjhgkuytgkgfgd.exe 5 8->12         started        signatures5 process6 file7 47 C:\Users\user\...\ffgfhfjftdghghrghse.exe, PE32 12->47 dropped 67 Machine Learning detection for dropped file 12->67 69 Writes to foreign memory regions 12->69 71 Allocates memory in foreign processes 12->71 73 2 other signatures 12->73 16 AddInProcess32.exe 6 12->16         started        21 ffgfhfjftdghghrghse.exe 12->21         started        23 ffgfhfjftdghghrghse.exe 2 12->23         started        25 3 other processes 12->25 signatures8 process9 dnsIp10 49 185.157.160.233, 2212 OBE-EUROPEObenetworkEuropeSE Sweden 16->49 51 annapro.linkpc.net 105.112.106.128, 2212 VNL1-ASNG Nigeria 16->51 37 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 16->37 dropped 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->63 53 192.168.2.1 unknown unknown 21->53 27 ffgfhfjftdghghrghse.exe 21->27         started        29 ffgfhfjftdghghrghse.exe 23->29         started        31 ffgfhfjftdghghrghse.exe 25->31         started        33 ffgfhfjftdghghrghse.exe 25->33         started        35 ffgfhfjftdghghrghse.exe 25->35         started        file11 signatures12 process13
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2021-01-12 16:55:07 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
185.157.160.233:2212
annapro.linkpc.net:2212
Unpacked files
SH256 hash:
96cdf96daea9002d2dcf31e5d37b7df4942ef6085209df1f6b269b9baca3e40a
MD5 hash:
6618b8298100d5fb25d23b498a33d492
SHA1 hash:
bd61a9c97e54b031ae4eaeb7f69f2006454e1edc
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
SH256 hash:
2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad
MD5 hash:
0e362e7005823d0bec3719b902ed6d62
SHA1 hash:
590d860b909804349e0cdc2f1662b37bd62f7463
SH256 hash:
5fb29664c0d241e0d9c6072c0cd71f8e12745248cea134ea6f4e890c03b947f5
MD5 hash:
3527fbd0a5639232fc33230618e7db32
SHA1 hash:
a32149df2706793961912353362579f9bb7d9243
Detections:
win_nanocore_w0
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:ach_NanoCore
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:win_nanocore_w0
Author: Kevin Breen <kevin@techanarchy.net>

File information


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

Malspam

NanoCore

Executable exe 96cdf96daea9002d2dcf31e5d37b7df4942ef6085209df1f6b269b9baca3e40a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments