MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2af0dcf4558a32fde15405648d8dd6410c51d319812755fcb8e4f742723bad7. 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 1 YARA 1 File information Comments

SHA256 hash: c2af0dcf4558a32fde15405648d8dd6410c51d319812755fcb8e4f742723bad7
SHA3-384 hash: 5f40be4a5cbc5464ab57876861955d12007dd81194806f28bc0819cdeb61f12eb17d018917b6a477780f1ea8261419a2
SHA1 hash: d5a40ae65560da802d5c5135d024d5fa8e840ff4
MD5 hash: b89d3e7dd6ee20a09506365497f6cc3a
humanhash: emma-white-happy-blossom
File name:Shipping Documents Original BL, Invoice & Pa.exe
Download: download sample
Signature NanoCore
File size:734'208 bytes
First seen:2021-05-04 08:10:34 UTC
Last seen:2021-05-04 09:01:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:O2g1o0ezIROKMTSXHlIp8maopsxu05K6zAyLe6NPBmFBdWM/QXPZ:bg1o9mOKSA9bzhLnNgXv/QB
Threatray 1'831 similar samples on MalwareBazaar
TLSH 96F4CF2633D4AF6CF07E9B759115220093F0B947E722DA8DBDA514CE4CE1FC58362BA6
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
172.93.166.26:4090

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
172.93.166.26:4090 https://threatfox.abuse.ch/ioc/28923/

Intelligence


File Origin
# of uploads :
2
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
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 references suspicious native API functions
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
DLL reload attack detected
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)
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: System File Execution Location Anomaly
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)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 403691 Sample: Shipping Documents  Origina... Startdate: 04/05/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 12 other signatures 2->53 8 Shipping Documents  Original BL, Invoice & Pa.exe 3 2->8         started        12 dhcpmon.exe 4 2->12         started        14 dhcpmon.exe 3 2->14         started        16 MSBuild.exe 2 2->16         started        process3 file4 43 Shipping Documents...nvoice & Pa.exe.log, ASCII 8->43 dropped 59 Writes to foreign memory regions 8->59 61 Injects a PE file into a foreign processes 8->61 18 MSBuild.exe 1 14 8->18         started        23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        27 conhost.exe 16->27         started        signatures5 process6 dnsIp7 45 172.93.166.26, 4090, 49722, 49723 GLOBALCOMPASSUS United States 18->45 37 C:\Users\user\AppData\Roaming\...\run.dat, data 18->37 dropped 39 C:\Users\user\AppData\Local\...\tmpF57E.tmp, XML 18->39 dropped 41 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->41 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 18->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->57 29 schtasks.exe 1 18->29         started        31 schtasks.exe 1 18->31         started        file8 signatures9 process10 process11 33 conhost.exe 29->33         started        35 conhost.exe 31->35         started       
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-05-04 08:11:18 UTC
AV detection:
3 of 47 (6.38%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
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
NanoCore
Malware Config
C2 Extraction:
:4090
172.93.166.26:4090
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
SH256 hash:
c2af0dcf4558a32fde15405648d8dd6410c51d319812755fcb8e4f742723bad7
MD5 hash:
b89d3e7dd6ee20a09506365497f6cc3a
SHA1 hash:
d5a40ae65560da802d5c5135d024d5fa8e840ff4
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

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments