MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b5014a2cba68cc51108e7f393dd35c7e449c4644a33a9134203921f88015e84. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
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SHA256 hash: 4b5014a2cba68cc51108e7f393dd35c7e449c4644a33a9134203921f88015e84
SHA3-384 hash: 923cd34af50eda1b59d050e2adb8fdc1a5d0f25b31b1c1dc35ef4c2804771808fef4b4451ef48488d6810d6b932209b8
SHA1 hash: d127aece80b1635d4a7c13b5baeb3b60bdbe7e65
MD5 hash: 847a9aa8a93ea4e34921e1e126a3e89e
humanhash: michigan-pluto-solar-november
File name:NewOrder pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:855'552 bytes
First seen:2021-05-09 08:26:45 UTC
Last seen:2021-06-02 19:07:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:YD1gs70D93Itv/Q/8D57zr2h4XUeI5OwMmNY2k6A:Q70D90RL2h4QskN2
Threatray 1'877 similar samples on MalwareBazaar
TLSH EC05017176A85F25E13EA7385861A11103F6BC55E333D90E7EE670DB15B3BC08A62B83
Reporter GovCERT_CH
Tags:NanoCore

Intelligence

File Origin
# of uploads :
3
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/153475/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/720241
Signature
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 409051 Sample: NewOrder pdf.exe Startdate: 09/05/2021 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 13 other signatures 2->48 7 NewOrder pdf.exe 7 2->7         started        process3 file4 30 C:\Users\user\AppData\...\pHYKIquhvzuI.exe, PE32 7->30 dropped 32 C:\Users\...\pHYKIquhvzuI.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp1776.tmp, XML 7->34 dropped 36 C:\Users\user\...36ewOrder pdf.exe.log, ASCII 7->36 dropped 50 Adds a directory exclusion to Windows Defender 7->50 52 Injects a PE file into a foreign processes 7->52 11 NewOrder pdf.exe 7->11         started        16 powershell.exe 24 7->16         started        18 powershell.exe 26 7->18         started        20 4 other processes 7->20 signatures5 process6 dnsIp7 40 23.105.131.171, 4040, 49713, 49716 LEASEWEB-USA-NYC-11US United States 11->40 38 C:\Users\user\AppData\Roaming\...\run.dat, data 11->38 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->54 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        28 conhost.exe 20->28         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b5014a2cba68cc51108e7f393dd35c7e449c4644a33a9134203921f88015e84/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2021-05-08 08:50:38 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jnibjiwlu2gmkeii47zzhxjvy7setrdejiz2se2caojb7cabl2ca._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0e206f1cf56315c1d4245ca01cac08ebab51decab43760d40e43a754d27da7b6
NanoCore
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
8551c05301b50a17763637cca7f291a6b779c82f16275f734e793f6a0e7e1a17
NanoCore
be86e9fd2d5913526b7cea3bec1ad8c84acea8cab73ea78414e6317565f3079b
NanoCore
cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d
NanoCore
e11f59ce9dae9fcff7ff4c8d3d119dd663a1918d084f8cda7b30c474cd141642
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
NanoCore
e9c3fc00ddb08ef196d05b56ce0c83c04381de42e8777e902e3e9c7afe4a9f11
NanoCore
f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b
NanoCore
+ 1'867 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210509-1f6t6lg3ga/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
23.105.131.171:4040
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
Link:
https://www.unpac.me/results/8ab64c89-76d7-4b12-b792-2fb2e9d5bfc2/
SH256 hash:
4b5014a2cba68cc51108e7f393dd35c7e449c4644a33a9134203921f88015e84
MD5 hash:
847a9aa8a93ea4e34921e1e126a3e89e
SHA1 hash:
d127aece80b1635d4a7c13b5baeb3b60bdbe7e65
Link:
https://www.unpac.me/results/8ab64c89-76d7-4b12-b792-2fb2e9d5bfc2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4b5014a2cba68cc51108e7f393dd35c7e449c4644a33a9134203921f88015e84

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

NanoCore

Executable exe 4b5014a2cba68cc51108e7f393dd35c7e449c4644a33a9134203921f88015e84

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/153475/

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