MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bdd03a8f640c98db0bb14e6ca942096cc025f15df51281a905815d7ebec66dc. 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

SHA256 hash: 1bdd03a8f640c98db0bb14e6ca942096cc025f15df51281a905815d7ebec66dc
SHA3-384 hash: 3b926943239c61bf0fe1bac1b24f1010cea9456c8e5f94893fb0861f6d12f7ee3c9f0ec0f4457f431ae46446b1754ef0
SHA1 hash: 5cf950af578a43c41e170386e574563503e1daed
MD5 hash: 5774d70b0f017662c609cafec0f42c5b
humanhash: november-bakerloo-east-quiet
File name:Payment confirmation .exe
Download: download sample
Signature NanoCore
File size:529'408 bytes
First seen:2022-01-17 04:17:55 UTC
Last seen:2022-01-17 05:39:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:ZfucerNMrmv6iEWsd+pMB413zkx+lKrd2M0qjdNgtpiZskRRRRRER:99no6iEWbqgZGdqmdoiekRRRRRER
Threatray 3'559 similar samples on MalwareBazaar
TLSH T1E3B4227177E65321C9BE63F7E2D326111BFAAE2E2675FB1E5CAA21C60516F11C100B23
Reporter GovCERT_CH
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment confirmation .exe
Verdict:
Malicious activity
Analysis date:
2022-01-17 04:19:52 UTC
Tags:
rat nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
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:
Generic Malware
Verdict:
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
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Found malware configuration
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-17 04:18:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
naki.airdns.org:56281
37.120.210.211:56281
Unpacked files
SH256 hash:
f3552c77aeb75602032cb65e8689aeeb291f568c4198d6badcb4d770a0d18bf9
MD5 hash:
23c1fc238d97ddc119df0187c2478f98
SHA1 hash:
2e2647971ad1761d93aa19838b3241b078bc7982
SH256 hash:
505e2399f8ea8c7703d6eb618d704eacc73c2ca91cfbfca074d92bf1e518e3af
MD5 hash:
f01ecc839ff879e6f59ee20b213d404a
SHA1 hash:
22c0e4a35e9705a5b582b845fd9a58d58c999bd4
SH256 hash:
1bdd03a8f640c98db0bb14e6ca942096cc025f15df51281a905815d7ebec66dc
MD5 hash:
5774d70b0f017662c609cafec0f42c5b
SHA1 hash:
5cf950af578a43c41e170386e574563503e1daed
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 1bdd03a8f640c98db0bb14e6ca942096cc025f15df51281a905815d7ebec66dc

(this sample)

  
Dropped by
nanocore
  
Delivery method
Distributed via e-mail attachment

Comments