MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc1a402e874dfd4a9169546bec323555e1da5d6d003efedd41faa81dd3aadf5c. 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: 14


Intelligence 14 IOCs YARA 12 File information Comments

SHA256 hash: dc1a402e874dfd4a9169546bec323555e1da5d6d003efedd41faa81dd3aadf5c
SHA3-384 hash: bf00fbd2eca9249f25a497ccf24ffb2dd4b7be1b43eb93a5d8ab6a33f65983855a74607ee75eac85bbd27918e6b6d55b
SHA1 hash: 637a595c9f50b706fe5746423aaf4c70eb54a0ad
MD5 hash: bc928ebee20d5b44ddceca3b7d6edfa0
humanhash: stream-lima-black-white
File name:PAYMENT DETAILS COPY-BANK SWIFT ($) USD.exe
Download: download sample
Signature NanoCore
File size:878'080 bytes
First seen:2021-11-17 15:17:06 UTC
Last seen:2021-11-17 16:28:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:jMN/6GHtIt41hlHPX/KKd1t5/cmRD/C8VuHZchCcfZ/2YpOGSa5G3+a23c/iw72i:E9IAjPvKKd1f/ZuHZXk/2YpOGBBM/
Threatray 3'286 similar samples on MalwareBazaar
TLSH T19E1501153AB96F16D8BE83F85136D20043F5761A626BE31E6CD370CE7E63BA18744A13
File icon (PE):PE icon
dhash icon c8c4e2f934dc2e16 (10 x Loki, 6 x Formbook, 6 x AgentTesla)
Reporter Anonymous
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PAYMENT DETAILS COPY-BANK SWIFT ($) USD.exe
Verdict:
Malicious activity
Analysis date:
2021-11-17 16:25:28 UTC
Tags:
rat nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Launching a process
Creating a process with a hidden window
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:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 523830 Sample: PAYMENT DETAILS COPY-BANK S... Startdate: 17/11/2021 Architecture: WINDOWS Score: 100 57 naninano123.ddns.net 2->57 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Multi AV Scanner detection for dropped file 2->73 75 14 other signatures 2->75 8 PAYMENT DETAILS COPY-BANK SWIFT ($) USD.exe 7 2->8         started        12 dhcpmon.exe 2->12         started        signatures3 process4 file5 45 C:\Users\user\AppData\Roaming\OKhtWNjy.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmpE993.tmp, XML 8->47 dropped 49 PAYMENT DETAILS CO...IFT ($) USD.exe.log, ASCII 8->49 dropped 77 Adds a directory exclusion to Windows Defender 8->77 79 Injects a PE file into a foreign processes 8->79 14 PAYMENT DETAILS COPY-BANK SWIFT ($) USD.exe 8->14         started        19 powershell.exe 23 8->19         started        21 powershell.exe 24 8->21         started        23 schtasks.exe 8->23         started        25 powershell.exe 12->25         started        27 powershell.exe 12->27         started        29 schtasks.exe 12->29         started        31 2 other processes 12->31 signatures6 process7 dnsIp8 59 naninano123.ddns.net 79.134.225.72, 49770, 49771, 49778 FINK-TELECOM-SERVICESCH Switzerland 14->59 61 127.0.0.1 unknown unknown 14->61 63 192.168.2.1 unknown unknown 14->63 51 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->51 dropped 53 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 14->53 dropped 55 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 14->55 dropped 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->65 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        file9 67 Uses dynamic DNS services 59->67 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-17 15:17:12 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
naninano123.ddns.net:8282
127.0.0.1:8282
Unpacked files
SH256 hash:
cadcc2e9178267bd72cfbaf9d58b38793c2b21511fe1511d418facde8e42cc78
MD5 hash:
063eb9c10aaa95f9cd47fd02df5801aa
SHA1 hash:
11b0da07152749bb4e3b7d6a8301b3a50d8bf8b5
Detections:
win_nanocore_w0
SH256 hash:
dc1a402e874dfd4a9169546bec323555e1da5d6d003efedd41faa81dd3aadf5c
MD5 hash:
bc928ebee20d5b44ddceca3b7d6edfa0
SHA1 hash:
637a595c9f50b706fe5746423aaf4c70eb54a0ad
Malware family:
NanoCore
Verdict:
Malicious
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:MALWARE_Win_NanoCore
Author:ditekSHen
Description:Detects NanoCore
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_Feb18_1_RID2DF1
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:Nanocore_RAT_Gen_2_RID2D96
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

  
Delivery method
Distributed via e-mail link

Comments