MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e3a4b7f4c06b234b71769adaa1df2b4e00b7c1953ffcc9216a89b2c8a673de47. 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: 12
| SHA256 hash: | e3a4b7f4c06b234b71769adaa1df2b4e00b7c1953ffcc9216a89b2c8a673de47 |
|---|---|
| SHA3-384 hash: | 33059607ef1e04808b3cf683c1eb774ab882940c877e4404d5875d2d0bf5e6a75baee2dbc01c458249dab5195de94830 |
| SHA1 hash: | a0a5d11a3c22594734382b8904343de73ffce3ef |
| MD5 hash: | 04745383333fe0b1e1b8dba1d6688603 |
| humanhash: | sink-helium-six-stream |
| File name: | T4EkbDIoVAPcUMQ.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 943'104 bytes |
| First seen: | 2022-01-19 15:42:06 UTC |
| Last seen: | 2022-01-19 18:07:33 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:cWoSjAEr3Om1nDzTwdHIj+6FgyHxOfkcactW:ct/EreYD4OjvKoOdnt |
| Threatray | 3'501 similar samples on MalwareBazaar |
| TLSH | T180153A33D11477D3D03BAF3EE71164182BB1BBB7CE86D68AAD98A87D002057D9762532 |
| File icon (PE): |  |
| dhash icon | 74f4c4d4d4d4d4d4 (6 x SnakeKeylogger, 5 x AgentTesla, 5 x Loki) |
| 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 |
|---|---|
| 185.140.53.15:8000 | https://threatfox.abuse.ch/ioc/302542/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Likely Malicious
Threat level:
7.5/10
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.
Verdict:
Unknown
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
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: Suspicius Add Task From User AppData Temp
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-19 15:43:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
46
AV detection:
20 of 28 (71.43%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 3'491 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore keylogger spyware stealer suricata 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 computer location settings
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
185.140.53.15:8000
Unpacked files
SH256 hash:
4e352cc802a59044c412add0d3a22db4df324caf0ecbd8f1259deed477ce2714
MD5 hash:
506d68d0c024cf3ffa82da52bfef9543
SHA1 hash:
82421c23bf1bc4b8e9e89ea4a3f39cca48e951a6
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
c2a9e390e63a302be40b7792e198de50427e7d719c7ddfa2409baf8adc9a5db2
MD5 hash:
197c5cdbe0fb0edad0ba7ec6df097565
SHA1 hash:
0a8c786e67a36e3879a64bf435aa2c76fc7f6df8
Detections:
win_nanocore_w0
SH256 hash:
e3a4b7f4c06b234b71769adaa1df2b4e00b7c1953ffcc9216a89b2c8a673de47
MD5 hash:
04745383333fe0b1e1b8dba1d6688603
SHA1 hash:
a0a5d11a3c22594734382b8904343de73ffce3ef
Malware family:
NanoCore
Verdict:
Malicious
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: | 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.
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