MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef45c55d9b3fd183f6c9b4e0359005fa6052fa4155de07129b839056b7cc26e9. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef45c55d9b3fd183f6c9b4e0359005fa6052fa4155de07129b839056b7cc26e9
SHA3-384 hash: a98cc011a3b8d2c65e103364cb3c5ff4d12f9133f8afcd6ca052daa0247e5b5b960963929a33a5c032a807721ee0ff00
SHA1 hash: 680901b0a898a68ff04cbaafb851e28294d06d03
MD5 hash: f981ae4dae49248c03dd86b5508ec434
humanhash: shade-delaware-blossom-jig
File name:ASGT(Al Sahoo General Trading) - RFQ.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'012'736 bytes
First seen:2021-09-14 11:15:23 UTC
Last seen:2021-09-14 12:15:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:D/gecNU2zqX6lUB2Ake6KZMimr+MONraliDayqLhpe8/DUC/:EDNgWUB2Ake5MihNWgWxlT/D
Threatray 3'302 similar samples on MalwareBazaar
TLSH T18D254A0167E88617DFAF22F4D0384F7477B2E8ED9129DF4D2612B9BB096274159323A3
dhash icon 30f0d8e8e8e8f030 (4 x AgentTesla, 2 x NanoCore, 2 x Formbook)
Reporter malwarelabnet
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
462
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ASGT(Al Sahoo General Trading) - RFQ.exe
Verdict:
Malicious activity
Analysis date:
2021-09-14 11:16:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/11fb6907-458e-4f66-916d-835de52ff2cc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/187794/
Detection(s):
SecuriteInfo.com.Variant.Bulz.714284.8093.8685.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
monero obfuscated packed
Link:
https://www.filescan.io/uploads/61750e9d9a5a1e91c5d2011f/reports/18fca521-9994-4d3b-bae5-50c0621cff84/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/876f28f5-c5a0-43b8-866b-635101835c62
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/850619
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Detected Nanocore Rat
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: Powershell Used To Disable Windows Defender AV Security Monitoring
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef45c55d9b3fd183f6c9b4e0359005fa6052fa4155de07129b839056b7cc26e9/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-09-14 11:16:07 UTC
AV detection:
13 of 25 (52.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=55c4kxm3h7iyh5wjwtqdleaf7jqff6sbkxpaoeu3qoifnn6me3uq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
NanoCore
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
NanoCore
3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
NanoCore
437c9421ae36bc19198438f86b86a39de0d207449abef097eb9656743823c256
NanoCore
4d01d1b24f4f7487669486becc7ff8b43a126f56ffb3d8fcce8c66b200412475
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
NanoCore
9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
NanoCore
9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
NanoCore
a276b0d2aaf8a132ffbe9ae16763975bcf38fc1e5a6419890712fc3de02b793f
NanoCore
+ 3'292 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210914-nc5e4affa3/
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Nirsoft
NanoCore
Malware Config
C2 Extraction:
185.222.57.149:4557
127.0.0.1:4557
Unpacked files
SH256 hash:
fff50201b7fc91326a0e57790e9c55f5fa1adb5a44925b25316a1d64ecf894cf
MD5 hash:
444a2e0f51acd29abdb1ae71306094e9
SHA1 hash:
01b6b2238347e8849224d5ffc93d344a59eec65e
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/ab845f6e-b87b-4c29-b414-0cdb74bb24d9/
SH256 hash:
ed5b943d52847fa177fd481509bffdebd8346bfdbba90d9091f485b23fd9a39b
MD5 hash:
059964425aa1946def547592ab50a31a
SHA1 hash:
e08966c9e80f2b87d5a9097b05793962b8a45b8b
Link:
https://www.unpac.me/results/ab845f6e-b87b-4c29-b414-0cdb74bb24d9/
SH256 hash:
3da80bd8e18bf2ef5e28f5e2e0d2095b0d4e65391800ce18f9a18859d7beb220
MD5 hash:
5dbed7594d4c8d71c1882692e6776bf0
SHA1 hash:
8552a2f2afca501945fe57c1875970b6f777f709
Link:
https://www.unpac.me/results/ab845f6e-b87b-4c29-b414-0cdb74bb24d9/
SH256 hash:
5ed6059c78061f981511ac7b1409bbd6c2ebd1a1b65f69a591976f9d9f3c5f6f
MD5 hash:
2dbfb693ba0241cc4253885583fcfd66
SHA1 hash:
042adc520414457e5e8ce8adf118f158b4d8747a
Link:
https://www.unpac.me/results/ab845f6e-b87b-4c29-b414-0cdb74bb24d9/
SH256 hash:
ef45c55d9b3fd183f6c9b4e0359005fa6052fa4155de07129b839056b7cc26e9
MD5 hash:
f981ae4dae49248c03dd86b5508ec434
SHA1 hash:
680901b0a898a68ff04cbaafb851e28294d06d03
Detections:
win_karkoff_auto
Create hunting rule
Link:
https://www.unpac.me/results/ab845f6e-b87b-4c29-b414-0cdb74bb24d9/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ef45c55d9b3f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef45c55d9b3fd183f6c9b4e0359005fa6052fa4155de07129b839056b7cc26e9

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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_karkoff_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/187794/

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