MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0fa4a909bca937bd8f9d12a8c5b84f6cc63e1b37a3bf130b34fdcaa25be63ded. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0fa4a909bca937bd8f9d12a8c5b84f6cc63e1b37a3bf130b34fdcaa25be63ded
SHA3-384 hash: 0738126e8b1bb2068439e824cb84ea82a04f62e151bd6d35020aadba7a4e2582828ca9902a823ea1b10d64b8ee594010
SHA1 hash: 180c81499a958ef62e125e6f0bbeda2c4e9f9395
MD5 hash: d37cc595c5293095f0b41b5dab35082f
humanhash: mountain-winner-spaghetti-social
File name:d37cc595c5293095f0b41b5dab35082f.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:797'184 bytes
First seen:2022-07-26 15:59:20 UTC
Last seen:2022-07-26 17:03:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:/dDVzwNdzi02b2UVFdPBGjJP7d+IFxyXQo64zIA0IHi55SR4oyRYAd+f:LzwNdwGjJh4Q+Mnmi/6DYVkf
Threatray 7'811 similar samples on MalwareBazaar
TLSH T19E05F12513ECCA79D9BF07F9F8204551437AE307E45ADA8E5A84B0CF3E627A0C5066E7
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 696968e892c46832 (5 x Loki, 4 x AgentTesla, 3 x Formbook)
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
372
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/294390/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.11043.31049.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62e00fe1b3bb70bb32e26a09/reports/1c4691f8-9cdb-4efe-a8bb-44d98d3a59f0/overview
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:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1a67bc6-066a-4b25-b69e-2c56156fbdd5
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1041282
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
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
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 673777 Sample: RAbLKfz4wu.exe Startdate: 26/07/2022 Architecture: WINDOWS Score: 100 52 jasonbourne.bounceme.net 2->52 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 13 other signatures 2->62 9 RAbLKfz4wu.exe 3 2->9         started        13 RAbLKfz4wu.exe 2 2->13         started        15 dhcpmon.exe 2 2->15         started        17 dhcpmon.exe 3 2->17         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\RAbLKfz4wu.exe.log, ASCII 9->50 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 9->66 68 Injects a PE file into a foreign processes 9->68 19 RAbLKfz4wu.exe 1 15 9->19         started        24 RAbLKfz4wu.exe 13->24         started        26 RAbLKfz4wu.exe 13->26         started        28 dhcpmon.exe 15->28         started        30 dhcpmon.exe 15->30         started        32 dhcpmon.exe 17->32         started        signatures6 process7 dnsIp8 54 jasonbourne.bounceme.net 141.98.6.20, 49758, 49759, 49760 CMCSUS Germany 19->54 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->42 dropped 44 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 19->44 dropped 46 C:\Users\user\AppData\Local\...\tmp7A9D.tmp, XML 19->46 dropped 48 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->48 dropped 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->64 34 schtasks.exe 1 19->34         started        36 schtasks.exe 1 19->36         started        file9 signatures10 process11 process12 38 conhost.exe 34->38         started        40 conhost.exe 36->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0fa4a909bca937bd8f9d12a8c5b84f6cc63e1b37a3bf130b34fdcaa25be63ded/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2022-07-26 16:00:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=b6skscn4ve333d45ckumlocpntdd4gzxuo7rgczu7xfkew7ghxwq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
3958c096f9bae8e96033422b4a3a7eaae19b1fbbeb0dec5c131954dd0042d9e9
NanoCore
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
55aea4a4530e0aa4d13d4c68b9027e6a215bc4a4eaa87d2a8bfdc2c443dd3d7c
NanoCore
862965d573744607a29489905cfc8abdd8f187874d476ef4263eee7e5175630a
NanoCore
94ba1aaae5b54bd5acb7af4d010fcfc443a0a29fed4682de54692d81a3daf528
NanoCore
9c997bb5941de96a571243b7621bf577514cdc9818eb79b1116601fc31f3a17b
NanoCore
db7d1bc1cf6fb7fdbc3d0fc2c67c97ed89aa316d6bcb4c4e6ce942c9145612fc
NanoCore
e2c5fb6972d34fa104267cd40efd473bebd4c6f00381b3638c52dec9fa87bfe3
NanoCore
+ 7'801 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220726-tfnjmseec4/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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:
jasonbourne.bounceme.net:6754
127.0.0.1:6754
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/495393c1-9a01-4794-9462-ec95981cf7a3/
SH256 hash:
e48bd23e8920cb46f46b3e42f2faf908913a7bb5590662930730817d95925d7c
MD5 hash:
e313ac41e3f1aaf072ba426b0a97ffa6
SHA1 hash:
d3d62ec59bc318b215ac6e7248ca92486f6f9acc
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/495393c1-9a01-4794-9462-ec95981cf7a3/
Parent samples :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 hash:
ec8c1a14aa181b0f2805636f612c831d6e38687178a47eef8de43b7a053af92c
MD5 hash:
dbbc7d549ab80e498848d2b67c85accc
SHA1 hash:
93919b4cf21cc6b41e2326f6362f2b3adcadab48
Link:
https://www.unpac.me/results/495393c1-9a01-4794-9462-ec95981cf7a3/
SH256 hash:
9a1a00a9c01ec767a0c2e40f8823790b2c50612b494e5c7f8981035a435a1bec
MD5 hash:
7a67f30376534220d4acb0de4f22a0a8
SHA1 hash:
72b3850d8971f5c8e5435cf4dbc37460ed490f87
Link:
https://www.unpac.me/results/495393c1-9a01-4794-9462-ec95981cf7a3/
SH256 hash:
9f2ec7f5b06b80c8a6453675b8eb1a4f92e18c9a47432d5f0f8a4751fe1205a0
MD5 hash:
e093aa9558b4ee07aa44b6b8557d9a32
SHA1 hash:
5ac7c8455a290f9916195165ad053b4b547dd68a
Link:
https://www.unpac.me/results/495393c1-9a01-4794-9462-ec95981cf7a3/
SH256 hash:
0fa4a909bca937bd8f9d12a8c5b84f6cc63e1b37a3bf130b34fdcaa25be63ded
MD5 hash:
d37cc595c5293095f0b41b5dab35082f
SHA1 hash:
180c81499a958ef62e125e6f0bbeda2c4e9f9395
Link:
https://www.unpac.me/results/495393c1-9a01-4794-9462-ec95981cf7a3/
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
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.

Web download

NanoCore

Executable exe 0fa4a909bca937bd8f9d12a8c5b84f6cc63e1b37a3bf130b34fdcaa25be63ded

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/294390/
  
URLhaus
https://urlhaus.abuse.ch/url/2260834/
  
Delivery method
Distributed via web download

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