MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76c99feebe366035ad9a5035d01a478a9425fbb809c1e37a74c26ae3648ce0f0. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76c99feebe366035ad9a5035d01a478a9425fbb809c1e37a74c26ae3648ce0f0
SHA3-384 hash: 5303c03a9c0dc6d2eeb02518440d2fe75bb1842aa10ed8e2426383086dd6246936004a099a51a9643e4ccd91157854f9
SHA1 hash: 331df3e84f2d8e8ed728294a85608a2d90c50f83
MD5 hash: d2f9ee1ab2982ecbeed431c180dfa9a9
humanhash: beer-golf-oklahoma-sink
File name:d2f9ee1ab2982ecbeed431c180dfa9a9.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'574'400 bytes
First seen:2021-06-07 06:01:54 UTC
Last seen:2021-06-07 07:18:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:f0xR+E5u5UVYtXiZmp0vbXnZMbdLqpld2fGmk:AP5u5UYtXiZmijZMbd8l0
Threatray 21 similar samples on MalwareBazaar
TLSH CA759C1237D8A52BE27E92712974050842FABE4AD572DB7EFD8871CF0DF1A409311BA7
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d2f9ee1ab2982ecbeed431c180dfa9a9.exe
Verdict:
Malicious activity
Analysis date:
2021-06-07 06:10:44 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/f97260c6-ac2e-4ef7-8163-65297002acaf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/164905/
Detection(s):
SecuriteInfo.com.generic.ml.17160.25951.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/797800
Signature
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)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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: 430196 Sample: yfilQwrYpA.exe Startdate: 07/06/2021 Architecture: WINDOWS Score: 100 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Sigma detected: NanoCore 2->71 73 5 other signatures 2->73 8 yfilQwrYpA.exe 7 2->8         started        12 dhcpmon.exe 5 2->12         started        14 yfilQwrYpA.exe 4 2->14         started        16 dhcpmon.exe 2->16         started        process3 file4 59 C:\Users\user\AppData\Local\...\tmpA3DB.tmp, XML 8->59 dropped 61 C:\Users\user\AppData\...\fFlUvFNeiSfEe.exe, PE32 8->61 dropped 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 79 Injects a PE file into a foreign processes 8->79 18 yfilQwrYpA.exe 1 12 8->18         started        23 schtasks.exe 1 8->23         started        25 schtasks.exe 12->25         started        27 dhcpmon.exe 12->27         started        29 schtasks.exe 14->29         started        31 yfilQwrYpA.exe 14->31         started        signatures5 process6 dnsIp7 63 ararat.mangospot.net 185.140.53.216, 49714, 49715, 49716 DAVID_CRAIGGG Sweden 18->63 65 192.168.2.1 unknown unknown 18->65 53 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->53 dropped 55 C:\Users\user\AppData\Roaming\...\run.dat, data 18->55 dropped 57 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->57 dropped 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->75 33 schtasks.exe 1 18->33         started        35 schtasks.exe 1 18->35         started        37 schtasks.exe 23->37         started        39 conhost.exe 23->39         started        41 dhcpmon.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 29->45         started        file8 signatures9 process10 process11 47 conhost.exe 33->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/76c99feebe366035ad9a5035d01a478a9425fbb809c1e37a74c26ae3648ce0f0/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-06-07 06:02:13 UTC
AV detection:
3 of 47 (6.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o3ez73v6gzqdllm2ka25agshrkkcl65ybha6g6tuyjvogzem4dya._file
Verdict:
unknown
Similar samples:
378f88cc9bbe98557c78d51f384d2156a42f4a00d0c76f830e715c99650715b1
NanoCore
44b5209fadd63026c1f4c7f1d1a6b9f49aa76f8597579773a0bc0010bada5853
NanoCore
534f45f09886af1a09c0c2918aef0a3550f25f3e933355be888345e142919b4b
NanoCore
92249587f4034051ca019922a388b659536fad1cbbba9f2bdfd872867741041d
NanoCore
9580201b4f6d893b50367e54383e90f0779302386b4a411d6df7bbfc1f1027e2
NanoCore
991a74bfa1338d3ff4e513f174dd7ee9abee5b83a799b754217af30df6857049
NanoCore
a2059d974b96a04e44f1197d988cc4d281c448ce5bf521cdf1476afb2bdd4b93
NanoCore
b95c99701d429de9d8f52792d7a2b462ec6e342618a04ef419710b42e76293ff
NanoCore
d3cd6590c46fe61bf0858cf52a4aab0e2f5389df2fcb55908151df0434f6c0a7
NanoCore
dda8fc961bfaa4ce908aa355f0994e5c30db6207c0f67e05afa2ae9b89df44b5
NanoCore
+ 11 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/210607-xnbe6pq5jn/
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
NanoCore
Malware Config
C2 Extraction:
ararat.mangospot.net:7747
185.140.53.216:7747
Unpacked files
SH256 hash:
34e69e90b7cb6121c3f93911f21dfb00491ea5d5bb79bfce4902d04f72c24184
MD5 hash:
b6b086a0ab13f3feb9ee8c846d230e5d
SHA1 hash:
dd8e1b816f3e7d9dcfa6eddc20a27fe0fbed478a
Link:
https://www.unpac.me/results/34bf572d-7770-4d1a-9457-4c3f8920312b/
SH256 hash:
76c99feebe366035ad9a5035d01a478a9425fbb809c1e37a74c26ae3648ce0f0
MD5 hash:
d2f9ee1ab2982ecbeed431c180dfa9a9
SHA1 hash:
331df3e84f2d8e8ed728294a85608a2d90c50f83
Link:
https://www.unpac.me/results/34bf572d-7770-4d1a-9457-4c3f8920312b/
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/76c99feebe366035ad9a5035d01a478a9425fbb809c1e37a74c26ae3648ce0f0

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 76c99feebe366035ad9a5035d01a478a9425fbb809c1e37a74c26ae3648ce0f0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1323838/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1324147/
  
URLhaus
https://urlhaus.abuse.ch/url/1324172/
  
URLhaus
https://urlhaus.abuse.ch/url/1324704/
Cape
Cape
https://www.capesandbox.com/analysis/164905/

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