MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffba79becda8df7925c62e18c1d0008eb47e928f226b5aa53695c3dfe1f4fe99. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ffba79becda8df7925c62e18c1d0008eb47e928f226b5aa53695c3dfe1f4fe99
SHA3-384 hash: f06bbc7c3f56bd96a61333ee6803abbd2b6095bacf5be0839f6821841d1b54dfc7749f1662f5a65778aa282992172653
SHA1 hash: b8faf0c4cb0a4c3c91560b6376ba309b0940bda2
MD5 hash: 1e7a96e188801581872c3194037e4a28
humanhash: failed-florida-idaho-sodium
File name:1e7a96e1_by_Libranalysis
Download: download sample
Signature NanoCore
Create hunting rule
File size:990'208 bytes
First seen:2021-05-25 18:02:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:cOLgm5NMNlM6t2P+Trk5CewRsGTgoPp596ZjzuvTPDPT2fQYWy0pETmCVPw9:cOknF7/RsGT4ZjCvT7L2YI0qKCVP
Threatray 16 similar samples on MalwareBazaar
TLSH B025482D50EEF123C1A8C27906C5442BEDA1FF376131AD29E8D73BD85679F41789222E
Reporter Libranalysis
Tags:NanoCore


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1e7a96e1_by_Libranalysis
Verdict:
Malicious activity
Analysis date:
2021-05-25 22:00:40 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/2166d606-2d3a-4776-8129-8c7810753141

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/162102/
Result
Verdict:
Clean
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/791945
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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
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:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ffba79becda8df7925c62e18c1d0008eb47e928f226b5aa53695c3dfe1f4fe99/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-25 13:34:39 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=765htpwnvdpxsjogfymmduaar22h5eupejvvvjjwsxb57ypu72mq._file
Verdict:
unknown
Similar samples:
371403b191cb7d2c789b8002beb5ac3c7b7cac6af0750327e7f1b742ef202152
NanoCore
3e93348fc012ad9b6652b8bff8c2e7fb4e202b0b2f1093e31dc7a23b6d10724e
NanoCore
556eb80b6a8244b3c43297ba719f792973d4b3a8f38ed33367709a1b3a973e87
NanoCore
57bbdab22d9197c60e2bb9aa35a36321276518c07716a71a0c7005944473a03d
NanoCore
5e922ebd226625e778e389b73f24b5e0a876139697b2dcb2e93b060303b81471
NanoCore
7db01b21b6b4c6e977c8f96e204495b11d566c780c51198198195ec7045c7dce
NanoCore
84437a44ff724462658384327aa3b77980097de3c5f66460e4ed81b85f7a5a5c
NanoCore
a0bb8e210e476bc4cce8e13627e2746f3db144155098c3fa4dd20a2996aefcbe
NanoCore
bd2b74e08fad018b100e51f29b67beb001afac1b243e73f4180d22879d86c639
NanoCore
e2067df39b38f67a093c4f49577cd2273180b3069e120396fddb7ec5225e6fdb
NanoCore
+ 6 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/210525-751l5rwbl6/
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:
45.137.22.50:28054
127.0.0.1:28054
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ffba79becda8df7925c62e18c1d0008eb47e928f226b5aa53695c3dfe1f4fe99

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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/162102/

Comments