MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12281e8597eecb8f7247bf9e65408d5b599202e6ba89798a4f7a392bbfe1408e. 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 YARA 7 File information Comments

SHA256 hash: 12281e8597eecb8f7247bf9e65408d5b599202e6ba89798a4f7a392bbfe1408e
SHA3-384 hash: 79c33eb7fe618aaed2260f3d25e4cbfcbb75cf5bcf96d88083671fd74b9778ac5372963cccb5210945b4f820b79daf48
SHA1 hash: 78c11e92d8e24b1a2b4edf3de0c764df0eba3abd
MD5 hash: cf693436bd2d31ff45a26e6488062de4
humanhash: nineteen-uniform-violet-quiet
File name:cf693436bd2d31ff45a26e6488062de4.exe
Download: download sample
Signature NanoCore
File size:1'033'728 bytes
First seen:2021-04-23 12:14:29 UTC
Last seen:2021-04-23 14:42:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:PvLJ/RwJD7N8Cm1JEiLKj8s0S6Y5eGLFEfqtTV1qaA1:kFTafO85SdFLFEfqt/q
Threatray 1'774 similar samples on MalwareBazaar
TLSH 5A2512363318AFB2E17EEB3E1021551003FAE614FB12EA5A3EB940CC5597F869773949
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
original title deed.xlsx
Verdict:
Malicious activity
Analysis date:
2021-04-23 12:13:29 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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: Scheduled temp file as task from temp location
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:
2021-04-23 11:53:37 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore 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
NanoCore
Malware Config
C2 Extraction:
194.5.98.122:1144
nassiru1166.webhop.me:1144
Unpacked files
SH256 hash:
e90a19eba5f2de3ba82f652221105bb0682b07c20abddec487c6f4354ea79c39
MD5 hash:
efb0de4397ea61e17d262e278b53ff86
SHA1 hash:
727fdf2ceb13262d56bdda24a02564fb3e80c8b0
SH256 hash:
12281e8597eecb8f7247bf9e65408d5b599202e6ba89798a4f7a392bbfe1408e
MD5 hash:
cf693436bd2d31ff45a26e6488062de4
SHA1 hash:
78c11e92d8e24b1a2b4edf3de0c764df0eba3abd
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.

Web download

NanoCore

Executable exe 12281e8597eecb8f7247bf9e65408d5b599202e6ba89798a4f7a392bbfe1408e

(this sample)

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