MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ec1e61f1b16385377817460f00e7efc8cdb2d45b625a165f4d62bab276b0d53. 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


Intelligence 9 IOCs 1 YARA 7 File information Comments

SHA256 hash: 5ec1e61f1b16385377817460f00e7efc8cdb2d45b625a165f4d62bab276b0d53
SHA3-384 hash: 96c8b93d1b0f037d632d6602838f6b57c82a30fb8c635e0d34d5ab7c3ea73f35c1c6c5bcc8eab4558201e18df23164c6
SHA1 hash: 0017a4f71721d462ade45beb664f7f2d68990dc9
MD5 hash: 63dee5f893f32ea6d9cfac4917f3e027
humanhash: ack-north-item-pizza
File name:Request for Quotation.exe
Download: download sample
Signature NanoCore
File size:973'312 bytes
First seen:2021-04-29 12:20:26 UTC
Last seen:2021-04-29 13:16:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:WFFaAzVs9jaoN4mv1br6dewt7Z9ZL7n6LO:E8djaAv1br6deY9Fn
Threatray 1'816 similar samples on MalwareBazaar
TLSH BA25012733D8AA58E0BE17F518B0814057B9BD426A32D71D7D89235E0FB27D2CB67392
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
178.63.172.23:4326

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
178.63.172.23:4326 https://threatfox.abuse.ch/ioc/22193/

Intelligence


File Origin
# of uploads :
2
# of downloads :
97
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
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
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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:
Threat name:
ByteCode-MSIL.PUA.Wacapew
Status:
Malicious
First seen:
2021-04-29 12:21:14 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
  1/5
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:
178.63.172.23:4326
127.0.0.1:4326
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
5ec1e61f1b16385377817460f00e7efc8cdb2d45b625a165f4d62bab276b0d53
MD5 hash:
63dee5f893f32ea6d9cfac4917f3e027
SHA1 hash:
0017a4f71721d462ade45beb664f7f2d68990dc9
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:ach_NanoCore
Author:abuse.ch
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:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:win_nanocore_w0
Author: Kevin Breen <kevin@techanarchy.net>

File information


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

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