MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a5f9d3b38612d88169c4cf6f934a93fcf3bbd772f2f3e5ac1e4a7f0b4ce6d115. 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
| SHA256 hash: | a5f9d3b38612d88169c4cf6f934a93fcf3bbd772f2f3e5ac1e4a7f0b4ce6d115 |
|---|---|
| SHA3-384 hash: | b9b53fb122930e47b352f1368959386d6b90db694ca5a714ddc635eb630bcd65b3771ec22dd73e2ac9af10ae3bed7304 |
| SHA1 hash: | 28470472420f3b1062ed51a67a45e638929a99d0 |
| MD5 hash: | d4fad25d6c1355a4c67213e0dd62f306 |
| humanhash: | washington-robin-orange-foxtrot |
| File name: | Balance Payment pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 959'488 bytes |
| First seen: | 2021-05-04 15:36:03 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:dcHTBHP3f2KMenc2AOA3LRskxMApiRdIbIPedKibvB9lOKjfqJjKMC5nz4DGb7F1:d8FkxjmBPeR7AJjKZF76E |
| Threatray | 1'860 similar samples on MalwareBazaar |
| TLSH | 9815CE27BF685656D5BA0F380835031067F5ED19D721C32F29A8709CEEF2AC18E667D2 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 23.105.131.190:4040 | https://threatfox.abuse.ch/ioc/26796/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
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
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
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)
Initial sample is a PE file and has a suspicious name
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
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
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-04 15:36:12 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'850 additional samples on MalwareBazaar
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
23.105.131.190:4040
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
SH256 hash:
a5f9d3b38612d88169c4cf6f934a93fcf3bbd772f2f3e5ac1e4a7f0b4ce6d115
MD5 hash:
d4fad25d6c1355a4c67213e0dd62f306
SHA1 hash:
28470472420f3b1062ed51a67a45e638929a99d0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | pe_imphash |
|---|
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0019] Data Micro-objective::Check String
1) [C0026.001] Data Micro-objective::Base64::Encode Data