MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3226374fbeefb1fcd90ab7d17d4570994dd63f8efb4bf59048eced4a042f0ba. 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: 5


Intelligence 5 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3226374fbeefb1fcd90ab7d17d4570994dd63f8efb4bf59048eced4a042f0ba
SHA3-384 hash: 229b1c778732acf114e7af4611c9bcd6ac535863b7546b91b053755159a1184f4d028a5ef59c90be469f83ca51bbe5f8
SHA1 hash: f007b4441b18466e270afb7d9f3df74b2d0b241a
MD5 hash: b9953aa6dc9d54b7c8151ce38ffe655d
humanhash: earth-black-kansas-east
File name:invoice.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:404'992 bytes
First seen:2020-05-07 09:48:52 UTC
Last seen:2020-05-07 15:50:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:NwFxw0iRrL+ng04AMjmgyZZr5GhTTUJg3:aZ4v+nSTmgyZBIh
Threatray 1'153 similar samples on MalwareBazaar
TLSH E784E048355D32BEE063D9725ED0ECB0DA15B5A7734A536F9423018E8ACEE82CE25CF5
Reporter jarumlus
Tags:NanoCore

Intelligence

File Origin
# of uploads :
4
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Dropper.fc.5628.UNOFFICIAL
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Gathering data
Threat name:
ByteCode-MSIL.Trojan.Nanocore
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Status:
Malicious
First seen:
2020-05-07 10:38:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 31 (90.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6mrgg5h3535r7tmqvn6rpvcxbgkn2y7y562l6wier3hnjicc6c5a._file
Verdict:
malicious
Label(s):
nanocorerat
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hawkeyekeylogger
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dridex
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Similar samples:
023f0a5d97bc9513ebf82fa8bebc612322a31372e7d378844a6198b2399356a5
NanoCore
02b60a23298127408b70ac29f643ffa7c0acaf3fe359cb2a1e44fd6eb9680c64
NanoCore
2f66accdec56b5cf237769ae32305747939d28d01c0a860175f53c8a95d7d51e
NanoCore
430596618928471c2bb2df11155686033c916418c1792875f329ae8156debfaa
NanoCore
5b2225a591d41d6e2d5cf8155f0e63115446c948633b20536e8f2fce5756a859
NanoCore
68f8acac4c0dfc81929e6ed2b67a306c5dab1606c377be8b5d6f35d8fc50dad0
NanoCore
760f1406027ffeb48694e12c4adb7842c216c0771eb08ca172c504078f2edace
NanoCore
8e937e96fe278155ece16af6479059d0f30559d09c5abbf0a004f36ce5b2f2f3
NanoCore
a7b27af3279848802a012fad89ce6f0543e80e54b28b02360bb416e39a55bbf3
NanoCore
d49621996ba7b43c8d7cb35403ccbb13c50f1a1dddc9492ce7a74abd8597a115
NanoCore
+ 1'143 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-zrqzn7yp4a/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
79.134.225.89:12190
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
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Author:abuse.ch
Rule name:Nanocore
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Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
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Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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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
Create hunting rule
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.

Malspam

NanoCore

zip 6170cf6b8177798371a0a7281d296bd79584a4c8d4aa2f2643cfa7d1c95b238b

NanoCore

Executable exe f3226374fbeefb1fcd90ab7d17d4570994dd63f8efb4bf59048eced4a042f0ba

(this sample)

  
Dropped by
MD5 a4b3eb5488ccb7d0bd285be1baedda31
  
Dropped by
SHA256 6170cf6b8177798371a0a7281d296bd79584a4c8d4aa2f2643cfa7d1c95b238b
  
Delivery method
Distributed via e-mail attachment

Comments