MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbc734c59463dff7fdc44257bcd18d02d752ad14f4b9f7629f17b0110bd416bb. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bbc734c59463dff7fdc44257bcd18d02d752ad14f4b9f7629f17b0110bd416bb
SHA3-384 hash: 9d91e9a6174955dad04e2712d6842d1a3bb2ad1f4607df3f5b8eb028b0fd54ea3e0200a7753f49a1ed327462b5651467
SHA1 hash: 52d497e256c946db25eec20999eea7ce7be4c668
MD5 hash: c5fa4d5f922be8510e6aa9013c03939f
humanhash: gee-solar-two-hawaii
File name:112_12_07_22.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:857'088 bytes
First seen:2022-07-12 06:11:30 UTC
Last seen:2022-07-18 08:14:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Rarihm1geoaMO4x6iEAP6kR9i2I/VrpfrzdXLOSEYLRkwPt9v1QfPZBT2sjtGNyI:kFoaml960kJnHtqzYLpPj1QbsNai
Threatray 7'782 similar samples on MalwareBazaar
TLSH T1A8050122AF64CFA6D22E1B7C09770B44277402768642FFCF4BF4946939633919D07AE9
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 18a219d4d4198a10 (20 x AgentTesla, 12 x Formbook, 10 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
3
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
112_12_07_22.exe
Verdict:
Malicious activity
Analysis date:
2022-07-12 04:07:40 UTC
Tags:
trojan nanocore rat
Link:
https://app.any.run/tasks/cf9fb007-28cf-4376-88ff-c87d7c402071

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/286437/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.28180.31885.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fareit packed
Link:
https://www.filescan.io/uploads/62cd10f02c28b0d9c898298a/reports/769c9e8c-9972-4033-b9d3-0af5b44fb396/overview
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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/08dfa87e-ffc4-4096-ab7f-904e7d1042a5
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1029165
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 661660 Sample: 112_12_07_22.exe Startdate: 12/07/2022 Architecture: WINDOWS Score: 100 66 xp230522.ddns.net 2->66 70 Snort IDS alert for network traffic 2->70 72 Multi AV Scanner detection for domain / URL 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 13 other signatures 2->76 9 112_12_07_22.exe 14 2->9         started        13 112_12_07_22.exe 15 2->13         started        15 dhcpmon.exe 15 2->15         started        17 dhcpmon.exe 2->17         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\v5mkhgb1.newcfg, XML 9->50 dropped 52 C:\Users\user\AppData\...\icdygzzs.newcfg, XML 9->52 dropped 54 C:\Users\user\AppData\...\fkakyt31.newcfg, XML 9->54 dropped 62 2 other malicious files 9->62 dropped 82 Writes to foreign memory regions 9->82 84 Injects a PE file into a foreign processes 9->84 19 112_12_07_22.exe 1 16 9->19         started        24 BackgroundTransferHost.exe 13 9->24         started        26 112_12_07_22.exe 9->26         started        56 C:\Users\user\AppData\...\yuupokhx.newcfg, XML 13->56 dropped 58 C:\Users\user\AppData\...\ymsyri0e.newcfg, XML 13->58 dropped 60 C:\Users\user\AppData\...\user.config (copy), XML 13->60 dropped 64 4 other malicious files 13->64 dropped 28 112_12_07_22.exe 13->28         started        30 dhcpmon.exe 15->30         started        32 dhcpmon.exe 17->32         started        signatures6 process7 dnsIp8 68 xp230522.ddns.net 212.192.246.194, 1990, 49758, 49769 RHC-HOSTINGGB Russian Federation 19->68 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->42 dropped 44 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 19->44 dropped 46 C:\Users\user\AppData\Local\...\tmp2B30.tmp, XML 19->46 dropped 48 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->48 dropped 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->78 80 Uses schtasks.exe or at.exe to add and modify task schedules 24->80 34 schtasks.exe 1 24->34         started        36 schtasks.exe 1 24->36         started        file9 signatures10 process11 process12 38 conhost.exe 34->38         started        40 conhost.exe 36->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bbc734c59463dff7fdc44257bcd18d02d752ad14f4b9f7629f17b0110bd416bb/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2022-07-12 02:47:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xpdtjrmumpp7p7oeijl3zumnallvfliu6s47oyu7c6ybcc6uc25q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0b1396805e736275f16550f3ecc5361cfcccc468094b4ea910ded8eaf430a5b3
NanoCore
263565e9f77b5ee48474855d471315dd56d1bcabe4d037fb380d404b3afcd14e
NanoCore
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
7709c1a46eff201524b42caaecba9ce963f7580e77d7b9c32059aaf3acfb248a
NanoCore
862965d573744607a29489905cfc8abdd8f187874d476ef4263eee7e5175630a
NanoCore
9530780503c903e1d83738e19e754c3756e067612adddcea2f64c25749b6a838
NanoCore
ddb292ac2c57e10703a5358532be2d46e4d5ea94361fd30be3c1e2bfb919621f
NanoCore
+ 7'772 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220712-gx6qbshab3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
xp230522.ddns.net:1990
Unpacked files
SH256 hash:
b13976488d58387b5d72b6ab3acd505641bb8661d7fd83827e71db364a6ff4b6
MD5 hash:
4e2b3ad4ec086892c344d746ad07b82f
SHA1 hash:
c21cf8677bb58062c7bf756e1097163f7b5262e1
Link:
https://www.unpac.me/results/c39a39f4-2c1d-4b01-b9fa-21632c18f784/
SH256 hash:
39b6544524cb11083d1d73e43b4dec0a85477bed60b5b44c2e5b49b32d5bb0d0
MD5 hash:
98c7a5a160a86dcc84b24bca7b845900
SHA1 hash:
9c5ac94b560c655ac803a6eb6041481c484555b4
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/c39a39f4-2c1d-4b01-b9fa-21632c18f784/
Parent samples :
bbc734c59463dff7fdc44257bcd18d02d752ad14f4b9f7629f17b0110bd416bb
63693bf0bff70ae933e294f141da7b3b33c27c60b049693379373db8cae2770c
SH256 hash:
bbc734c59463dff7fdc44257bcd18d02d752ad14f4b9f7629f17b0110bd416bb
MD5 hash:
c5fa4d5f922be8510e6aa9013c03939f
SHA1 hash:
52d497e256c946db25eec20999eea7ce7be4c668
Link:
https://www.unpac.me/results/c39a39f4-2c1d-4b01-b9fa-21632c18f784/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bbc734c59463/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/bbc734c59463dff7fdc44257bcd18d02d752ad14f4b9f7629f17b0110bd416bb

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.

Malspam

NanoCore

Executable exe bbc734c59463dff7fdc44257bcd18d02d752ad14f4b9f7629f17b0110bd416bb

(this sample)

  
Dropped by
nanocore
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/286437/

Comments