MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2fb05be4a79a80f569d80028480564efbb6bb07bdac01cbff1c076c347dc7b9. 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 2 File information Comments
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SHA256 hash: f2fb05be4a79a80f569d80028480564efbb6bb07bdac01cbff1c076c347dc7b9
SHA3-384 hash: 85e876b0957398e37526cbc358cfaa9e9c85a60f517e846b0ac4f50bca53ab7f05eca0f7f1428edd26e9e5a6d57a438a
SHA1 hash: 9e7f7ba0707f66f8b9fbe8c875e6d3639213f8ea
MD5 hash: 595808d528524e99118417f710a3d2b9
humanhash: chicken-golf-colorado-salami
File name:LỊCH XUẤT HÀNG x南方機械科技有限9874656789E-09847654567804-9874656789487E656.scr
Download: download sample
Signature NanoCore
Create hunting rule
File size:174'080 bytes
First seen:2023-08-02 08:59:33 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 384:7fFEM1vYTb7mwww6BKpwWowwwlpESUJXtdhVm13jWtSHPWcAwaYdH:Sf7RpESUJXtdhVm13jWtSHPWcFaY9
Threatray 1'622 similar samples on MalwareBazaar
TLSH T1EB04E952EBB6EF31CE240A3F8244B3355F2E5ED181F27D8E744DB1652EB9D00C5846AA
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 31f098b29298f031 (53 x AgentTesla, 30 x Formbook, 12 x RedLineStealer)
Reporter abuse_ch
Tags:exe NanoCore scr

Intelligence

File Origin
# of uploads :
1
# of downloads :
345
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
LỊCH XUẤT HÀNG x南方機械科技有限9874656789E-09847654567804-9874656789487E656.scr
Verdict:
Malicious activity
Analysis date:
2023-08-02 09:08:35 UTC
Tags:
nanocore rat
Link:
https://app.any.run/tasks/e20cd124-0e52-4662-add1-5fc3f1157a22

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/439802/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.13847.22258.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f2fb05be4a79a80f569d80028480564efbb6bb07bdac01cbff1c076c347dc7b9
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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4de9e30-4618-437b-b4b4-cd7d957b0b92
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1284278
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
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
Snort IDS alert for network traffic
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
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1284278 Sample: E656.scr.exe Startdate: 02/08/2023 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 12 other signatures 2->70 8 E656.scr.exe 16 5 2->8         started        13 ffffgtrefd.exe 14 5 2->13         started        15 ffffgtrefd.exe 2->15         started        17 3 other processes 2->17 process3 dnsIp4 60 files.catbox.moe 108.181.20.35, 443, 49700, 49702 ASN852CA Canada 8->60 52 C:\Users\user\AppData\...\ffffgtrefd.exe, PE32 8->52 dropped 54 C:\Users\...\ffffgtrefd.exe:Zone.Identifier, ASCII 8->54 dropped 56 C:\Users\user\AppData\...656.scr.exe.log, ASCII 8->56 dropped 76 Writes to foreign memory regions 8->76 78 Injects a PE file into a foreign processes 8->78 19 MSBuild.exe 1 12 8->19         started        80 Multi AV Scanner detection for dropped file 13->80 82 Machine Learning detection for dropped file 13->82 24 MSBuild.exe 13->24         started        62 192.168.2.1 unknown unknown 15->62 26 MSBuild.exe 15->26         started        28 MSBuild.exe 15->28         started        30 MSBuild.exe 15->30         started        32 conhost.exe 17->32         started        34 conhost.exe 17->34         started        36 conhost.exe 17->36         started        file5 signatures6 process7 dnsIp8 58 1574.hopto.org 91.193.75.133, 1574, 49701, 49703 DAVID_CRAIGGG Serbia 19->58 46 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->46 dropped 48 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 19->48 dropped 50 C:\Users\user\AppData\Local\...\tmp5714.tmp, XML 19->50 dropped 72 Uses schtasks.exe or at.exe to add and modify task schedules 19->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->74 38 schtasks.exe 1 19->38         started        40 schtasks.exe 1 19->40         started        file9 signatures10 process11 process12 42 conhost.exe 38->42         started        44 conhost.exe 40->44         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2fb05be4a79a80f569d80028480564efbb6bb07bdac01cbff1c076c347dc7b9/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2023-08-02 03:33:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6l5qlpskpgua6vu5qabijacwj353noyhxwwads77dqdwynd5y64q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
263565e9f77b5ee48474855d471315dd56d1bcabe4d037fb380d404b3afcd14e
NanoCore
2cda5de71f3a8dd9308515600f7ea4cd6f6bb98d75c59e29839a4b39530bfbbe
NanoCore
3958c096f9bae8e96033422b4a3a7eaae19b1fbbeb0dec5c131954dd0042d9e9
NanoCore
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
862965d573744607a29489905cfc8abdd8f187874d476ef4263eee7e5175630a
NanoCore
9c997bb5941de96a571243b7621bf577514cdc9818eb79b1116601fc31f3a17b
NanoCore
ddb292ac2c57e10703a5358532be2d46e4d5ea94361fd30be3c1e2bfb919621f
NanoCore
ea63894996a5718998b72c52a99f0f0ced812a161fbd45236b0d20e588954461
NanoCore
+ 1'612 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230802-kybhcseh9w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
1574.hopto.org:1574
91.193.75.133:1574
Unpacked files
SH256 hash:
f2fb05be4a79a80f569d80028480564efbb6bb07bdac01cbff1c076c347dc7b9
MD5 hash:
595808d528524e99118417f710a3d2b9
SHA1 hash:
9e7f7ba0707f66f8b9fbe8c875e6d3639213f8ea
Link:
https://www.unpac.me/results/419e5df8-b5f9-4415-8d89-de8f8e39dfdb/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f2fb05be4a79/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f2fb05be4a79a80f569d80028480564efbb6bb07bdac01cbff1c076c347dc7b9

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 f2fb05be4a79a80f569d80028480564efbb6bb07bdac01cbff1c076c347dc7b9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/439802/

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