MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c43a45ada61d51657b3ce7da3908740265b50494b78611f6802dd4279e2f78ad. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments 1

SHA256 hash: c43a45ada61d51657b3ce7da3908740265b50494b78611f6802dd4279e2f78ad
SHA3-384 hash: 7f244552a223c1f047ad55868c7d870075220e1d323d8c1074f346c2d0b81137a9f412ccdd700b094d8eadb564a59218
SHA1 hash: 0ed406decf9630dcb93bdd9c1fcfa9f0ddedfc6a
MD5 hash: 6e2f85513e9ceefeea270425796047c5
humanhash: network-eleven-music-edward
File name:AWBSHIPMENT20210000900.PDF.exe
Download: download sample
Signature NanoCore
File size:982'016 bytes
First seen:2021-05-18 05:05:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:6LrpoVjANoKKhbS5ui+Sl8xQq78gVmZ0Yww30RzHl:KCK4u51mxz78gVmv0zHl
Threatray 1'918 similar samples on MalwareBazaar
TLSH 1325BF01F5C601E8E75F7E73839B79707F91629664A3E590FC8E1A11C2B3B18DE8858B
Reporter GovCERT_CH
Tags:NanoCore

Intelligence


File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AWBSHIPMENT20210000900.PDF.exe
Verdict:
No threats detected
Analysis date:
2021-05-18 07:52:48 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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 an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Packed.Generic
Status:
Suspicious
First seen:
2021-05-18 01:58:33 UTC
AV detection:
7 of 47 (14.89%)
Threat level:
  1/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
23.105.131.142:2092
startedhere.ddns.net:2092
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 c43a45ada61d51657b3ce7da3908740265b50494b78611f6802dd4279e2f78ad

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-18 06:02:13 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection