MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c6d7c9a34ec05f4b0ee92eda6c98b49a40976e48528059237e4242b9533a1e1. 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

SHA256 hash: 7c6d7c9a34ec05f4b0ee92eda6c98b49a40976e48528059237e4242b9533a1e1
SHA3-384 hash: 2ce2c38122c81d25e3981aede686ec11196e2448c29e2cfb21053e95773f47793fb5a1d90f2c5ea4e59b8bfa08e39588
SHA1 hash: 93e33dc4c7f64b37f665d359b0686d7604c8e445
MD5 hash: 4db3d16fee3b21c97a94171251740201
humanhash: thirteen-mirror-angel-edward
File name:RFQ PROJECT (2).exe
Download: download sample
Signature NanoCore
File size:643'584 bytes
First seen:2022-08-02 08:18:04 UTC
Last seen:2022-08-02 09:04:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:A+Ig6SKlpxf4WQjc/ahsCh3U4gq0PwdB22BhGVmLHSUOWuacNt:qLlpxfqcssCtGPwdBPPGViHSUr9M
TLSH T12FD40281326B5B4BE5BA8BF2A11050001BB1B92F2561E3C85EC9BCFFE576F524740E5B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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.
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
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)
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 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: 677211 Sample: RFQ PROJECT (2).exe Startdate: 02/08/2022 Architecture: WINDOWS Score: 100 76 derananocore.ddns.net 2->76 82 Multi AV Scanner detection for domain / URL 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for URL or domain 2->86 88 14 other signatures 2->88 9 RFQ PROJECT (2).exe 7 2->9         started        13 RFQ PROJECT (2).exe 4 2->13         started        15 dhcpmon.exe 2->15         started        17 dhcpmon.exe 2->17         started        signatures3 process4 file5 68 C:\Users\user\AppData\...\brIulvmVic.exe, PE32 9->68 dropped 70 C:\Users\...\brIulvmVic.exe:Zone.Identifier, ASCII 9->70 dropped 72 C:\Users\user\AppData\Local\...\tmp9A6E.tmp, XML 9->72 dropped 74 C:\Users\user\...\RFQ PROJECT (2).exe.log, ASCII 9->74 dropped 92 Adds a directory exclusion to Windows Defender 9->92 94 Injects a PE file into a foreign processes 9->94 19 RFQ PROJECT (2).exe 1 12 9->19         started        24 powershell.exe 23 9->24         started        26 schtasks.exe 1 9->26         started        28 powershell.exe 13->28         started        30 schtasks.exe 13->30         started        32 RFQ PROJECT (2).exe 13->32         started        34 powershell.exe 15->34         started        36 2 other processes 15->36 38 2 other processes 17->38 signatures6 process7 dnsIp8 78 194.87.84.135, 1187 SERVERS-COMUS Russian Federation 19->78 80 derananocore.ddns.net 19->80 62 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->62 dropped 64 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 19->64 dropped 66 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->66 dropped 90 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->90 40 schtasks.exe 1 19->40         started        42 schtasks.exe 1 19->42         started        44 conhost.exe 24->44         started        46 conhost.exe 26->46         started        48 conhost.exe 28->48         started        50 conhost.exe 30->50         started        52 conhost.exe 34->52         started        54 conhost.exe 36->54         started        56 conhost.exe 38->56         started        file9 signatures10 process11 process12 58 conhost.exe 40->58         started        60 conhost.exe 42->60         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-02 06:36:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
22 of 26 (84.62%)
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
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
derananocore.ddns.net:1187
194.87.84.135:1187
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
c7a30066944fbbbd1b5d313613fc95ce8cbfed78e26285488b2905e5b68c11c8
MD5 hash:
fb3220d9e7490ddb3788330fd0d1081c
SHA1 hash:
e19d2699ad355e0b7d0ab6510703caef9938b25b
SH256 hash:
a039c1e0b720566eb571de6c31edc737e6035aec91aa83c912de983a5e176fd8
MD5 hash:
bdd5b9207721d4d5de726c9ee9b83afc
SHA1 hash:
d689f9c6a0199a96c157e13fa5164833f393be5b
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
SH256 hash:
7c6d7c9a34ec05f4b0ee92eda6c98b49a40976e48528059237e4242b9533a1e1
MD5 hash:
4db3d16fee3b21c97a94171251740201
SHA1 hash:
93e33dc4c7f64b37f665d359b0686d7604c8e445
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 7c6d7c9a34ec05f4b0ee92eda6c98b49a40976e48528059237e4242b9533a1e1

(this sample)

  
Dropped by
nanocore
  
Delivery method
Distributed via e-mail attachment

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