MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be3bcc033afe51eae928468db7d611907861ff588d4de158cc8ae04baa18a8c3. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be3bcc033afe51eae928468db7d611907861ff588d4de158cc8ae04baa18a8c3
SHA3-384 hash: ebf3ad9e362b96c159277384f3d5373e0af3ecab3e541702191d607d1f15a9c3d97b8d7ebb0eb4de337f254bdeedb30e
SHA1 hash: f273fd52edb309df61516f48421e875fce27baa3
MD5 hash: cbcf5a5d29d3f41b1094eeb246ba8689
humanhash: double-vegan-sink-don
File name:Zapytanie o zamówienie - Inquiry-to-Order-001030823 xlsx.scr
Download: download sample
Signature NanoCore
Create hunting rule
File size:956'928 bytes
First seen:2023-03-08 07:41:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:5EP78/1wWai3L89KZTAHhvtQ27ZCeUOy6526M:ZOWaW/dABvtQ29Ce
Threatray 1'657 similar samples on MalwareBazaar
TLSH T1F515CF99B2714163EC9F81B90927C5DF2C50FD8B7611E23B633B7B82E2591BF7648212
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon b3092c260a3a9e9e (2 x NanoCore)
Reporter lowmal3
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
281
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
Zapytanie o zamówienie - Inquiry-to-Order-001030823 xlsx.scr
Verdict:
Malicious activity
Analysis date:
2023-03-08 07:43:37 UTC
Tags:
nanocore
Link:
https://app.any.run/tasks/ede5e555-7292-4f64-b07d-ee9842cafac3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/372484/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/64083c4ee96aa01651237086/reports/b29256ca-f326-492e-a1d4-7f3657b09815/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/be3bcc033afe51eae928468db7d611907861ff588d4de158cc8ae04baa18a8c3
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4613dc78-5d68-4da3-86e7-968a95f3c921
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1189206
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 822082 Sample: Zapytanie_o_zam#U00f3wienie... Startdate: 08/03/2023 Architecture: WINDOWS Score: 100 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for URL or domain 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 9 other signatures 2->73 8 Zapytanie_o_zam#U00f3wienie_-_Inquiry-to-Order-001030823_xlsx.scr.exe 7 2->8         started        12 LRAFzDhvaGdhvi.exe 5 2->12         started        14 Zapytanie_o_zam#U00f3wienie_-_Inquiry-to-Order-001030823_xlsx.scr.exe 2->14         started        process3 file4 57 C:\Users\user\AppData\...\LRAFzDhvaGdhvi.exe, PE32 8->57 dropped 59 C:\...\LRAFzDhvaGdhvi.exe:Zone.Identifier, ASCII 8->59 dropped 61 C:\Users\user\AppData\Local\Temp\tmp83B.tmp, XML 8->61 dropped 63 Zapytanie_o_zam#U0...23_xlsx.scr.exe.log, ASCII 8->63 dropped 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 79 Adds a directory exclusion to Windows Defender 8->79 16 Zapytanie_o_zam#U00f3wienie_-_Inquiry-to-Order-001030823_xlsx.scr.exe 8 8->16         started        21 powershell.exe 21 8->21         started        23 powershell.exe 20 8->23         started        25 schtasks.exe 1 8->25         started        81 Antivirus detection for dropped file 12->81 83 Multi AV Scanner detection for dropped file 12->83 85 Machine Learning detection for dropped file 12->85 35 2 other processes 12->35 87 Injects a PE file into a foreign processes 14->87 27 powershell.exe 14->27         started        29 powershell.exe 14->29         started        31 schtasks.exe 14->31         started        33 Zapytanie_o_zam#U00f3wienie_-_Inquiry-to-Order-001030823_xlsx.scr.exe 14->33         started        signatures5 process6 dnsIp7 65 timremcos.ddns.net 5.187.49.190, 22605 ARTNETPL Poland 16->65 55 C:\Users\user\AppData\Roaming\...\run.dat, data 16->55 dropped 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->75 37 schtasks.exe 16->37         started        39 conhost.exe 21->39         started        41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 27->45         started        47 conhost.exe 29->47         started        49 conhost.exe 31->49         started        51 conhost.exe 35->51         started        file8 signatures9 process10 process11 53 conhost.exe 37->53         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/be3bcc033afe51eae928468db7d611907861ff588d4de158cc8ae04baa18a8c3/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-08 07:02:34 UTC
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xy54yaz27zi6v2jii2g3pvqrsb4gd72yrvg6cwgmrlqexkqyvdbq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
04cd237908807040cbd0fb5b1011bf3dfffd682e3219859692319651958c9288
NanoCore
107ff183d6828547a6f3e42d34a5bc32c139adfdde541e1f0a7b64f353116efa
NanoCore
65fc6dce29c76aa98c946748b40ef8dae7278002fb6edea0c82c4fc94e03b41a
NanoCore
8c5cbdaac87b6e807514d1d246d460033db7236aac37faa9aba280f356c69f55
NanoCore
c434dec5efd7676781a49416db58e4bc4e257e0d8f5c27ac1d9c61ca9693b648
NanoCore
c64e816686cc06a37e310436359bf20fe1ca84d4daf75045fa569c4753ff98bc
NanoCore
f052a733a39f4d372cb871db472f354e00b4601ab2f2c0c23e7e07479c339cf3
NanoCore
+ 1'647 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/230308-jjnzgaec3z/
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
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
timremcos.ddns.net:22605
Unpacked files
SH256 hash:
8d5b943b57c0f763a530e455be4b21176493d1529b513e0771c18a2571f6156e
MD5 hash:
2fab96084c6217d561776ea521edeae8
SHA1 hash:
e17a702859b92abe0643b1f175150b73ae7c4b8a
Link:
https://www.unpac.me/results/4913449a-8281-49ed-bea7-c9c79966f67a/
SH256 hash:
1013aea6f73eb78107feae6a77a58df3a8cfd54e722b87e200b436f4ab6ce35a
MD5 hash:
0d4a484987b4c388f0a4b138cf572fb7
SHA1 hash:
2e4cbb3349f5ed59416e1987dc2ef9e210768a90
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/4913449a-8281-49ed-bea7-c9c79966f67a/
Parent samples :
107ff183d6828547a6f3e42d34a5bc32c139adfdde541e1f0a7b64f353116efa
be3bcc033afe51eae928468db7d611907861ff588d4de158cc8ae04baa18a8c3
SH256 hash:
3233879c3f1b15821844c14d09b5afacd7b01d27d601006393dfa720b784e15a
MD5 hash:
9307496f5da1070914dbf1c7318a5000
SHA1 hash:
742e26939bc52a89b407d58c110958e0056741d2
Link:
https://www.unpac.me/results/4913449a-8281-49ed-bea7-c9c79966f67a/
SH256 hash:
dd49948e0b3393a8b53084075ec2f2a8c36813d1ba1ca538697eb62ec4b4deae
MD5 hash:
538dab51e58b7dd3809664982f4d0746
SHA1 hash:
4e7f9615f1d96b087c453a72217662f867e0520d
Link:
https://www.unpac.me/results/4913449a-8281-49ed-bea7-c9c79966f67a/
SH256 hash:
e386840537170219177c2bb3404f4c7bd9da1a2d53cdf2ae1e857c3b19628a29
MD5 hash:
d170ab8c03b9c37d5be449454db131d2
SHA1 hash:
2031b6754a65d21b47dd11a34fee86f048d6048d
Link:
https://www.unpac.me/results/4913449a-8281-49ed-bea7-c9c79966f67a/
SH256 hash:
be3bcc033afe51eae928468db7d611907861ff588d4de158cc8ae04baa18a8c3
MD5 hash:
cbcf5a5d29d3f41b1094eeb246ba8689
SHA1 hash:
f273fd52edb309df61516f48421e875fce27baa3
Link:
https://www.unpac.me/results/4913449a-8281-49ed-bea7-c9c79966f67a/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/be3bcc033afe/report/overview.html
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/be3bcc033afe51eae928468db7d611907861ff588d4de158cc8ae04baa18a8c3

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 be3bcc033afe51eae928468db7d611907861ff588d4de158cc8ae04baa18a8c3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/372484/

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