MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20bc955638aa608868c39769c3ccb9eb3adc5596639ceaeeefe72822c4fb8c18. 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: 13


Intelligence 13 IOCs 2 YARA 2 File information Comments

SHA256 hash: 20bc955638aa608868c39769c3ccb9eb3adc5596639ceaeeefe72822c4fb8c18
SHA3-384 hash: d603e76db80a4097eb86ea4e499d35aae448790e9225d4fb4b6ece44cbee7c4cc5f168605c35914e303d6480968b253b
SHA1 hash: e4925b9bfa258c35301cf6a8dfa589eaec57d610
MD5 hash: ed7c6daf64b258e4cc370414b745e67c
humanhash: charlie-arizona-thirteen-oven
File name:invoice3.exe
Download: download sample
Signature NanoCore
File size:811'008 bytes
First seen:2022-04-14 23:15:59 UTC
Last seen:2022-04-14 23:41:12 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:EbPxmaDk0uqnE0hhCX+sN2uHOfTtj4YVz:EFmaDkZqnQusN2uyTiY1
Threatray 4'503 similar samples on MalwareBazaar
TLSH T19D050145357ACF76D7F987FC9263501447F012AE7539E2450CCB20CB2AE6F215AAAE0B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
213.152.161.211:28146

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
213.152.161.211:28146 https://threatfox.abuse.ch/ioc/519131/
213.152.161.211:50552 https://threatfox.abuse.ch/ioc/519975/

Intelligence


File Origin
# of uploads :
2
# of downloads :
436
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
invoice3.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 23:16:14 UTC
Tags:
trojan nanocore rat stealer

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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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
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 sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.RemLoader
Status:
Malicious
First seen:
2022-04-14 23:16:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
americanmedicalassociation.online:28146
213.152.161.211:28146
Unpacked files
SH256 hash:
e3f116211bef00ea0f65bbd0f3d2b832f5ae603aa7d2db5d88cde41a244fce30
MD5 hash:
31204f16aa2542703a5fc9c91d856a58
SHA1 hash:
46f07c3da01befe100b54b09dad3f1ce51a6f098
SH256 hash:
c14ea4bdd27d729f044bf4e83e0bdb1e1cfcc92c987036fdbc439283c1022211
MD5 hash:
0587f7540c5eefae2bb042a11ff155d5
SHA1 hash:
24ca734b95fe93790c053f748791de56e66ebc1e
SH256 hash:
a78d56e36ddcfc2619a462eb82c1df390c0e30f1d1d3a06f09df19f9403b595f
MD5 hash:
6a989b6c39aeb9d0c3eeebce3fce5b3b
SHA1 hash:
15e7be9887dc59c643ac514a3d12e41c131e301f
SH256 hash:
20bc955638aa608868c39769c3ccb9eb3adc5596639ceaeeefe72822c4fb8c18
MD5 hash:
ed7c6daf64b258e4cc370414b745e67c
SHA1 hash:
e4925b9bfa258c35301cf6a8dfa589eaec57d610
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.

Comments