MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb5e2667e962e620a4f51e2aceb12e42b1d2b249719a8123cf912a9a1e4bfcb2. 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 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb5e2667e962e620a4f51e2aceb12e42b1d2b249719a8123cf912a9a1e4bfcb2
SHA3-384 hash: 05b6dc5c6e81c82594fd4800189361e5952973c559df41a9f154d16d8164efb528cfcfdf4b949e4ae02bfe9d2dd9668c
SHA1 hash: 39e02110d3b4f9ef21635ab32c77898f285b925c
MD5 hash: 84315f41046da424cfd5eef8b9f09004
humanhash: utah-lamp-speaker-william
File name:bb5e2667e962e620a4f51e2aceb12e42b1d2b249719a8.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:232'960 bytes
First seen:2022-06-11 15:11:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 3072:ObiGUA9x4CuSqhAp08FkGRnNrdf45AjqKnoea:ObiJAvKhAp081nNVjqKoe
Threatray 5'916 similar samples on MalwareBazaar
TLSH T1A834F8873944C59CCF6D55F7A307854433A9DCFFC918A6096BC833579EE6BA20822B1B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f2909696969ef66e (42 x AgentTesla, 42 x SnakeKeylogger, 13 x Formbook)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
23.229.34.114:705

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
23.229.34.114:705 https://threatfox.abuse.ch/ioc/693464/

Intelligence

File Origin
# of uploads :
1
# of downloads :
357
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
4fa9a79e-f783-4f33-80da-c0e36a05746a
Verdict:
Malicious activity
Analysis date:
2022-06-11 15:08:59 UTC
Tags:
loader rat nanocore
Link:
https://app.any.run/tasks/59e29542-f116-4468-ae34-767e3d647234

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/278928/
Detection(s):
Win.Trojan.Generic-9907631-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Creating a window
Running batch commands
Creating a file in the %AppData% subdirectories
Creating a file
Creating a file in the Program Files subdirectories
DNS request
Using the Windows Management Instrumentation requests
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Forced system process termination
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a4b0c3a454cbb2f2f2e809/reports/ff3494fd-0edb-41c6-9065-1bb19264c54c/overview
Result
Verdict:
MALICIOUS
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/d35a5367-479c-4c2e-ba1d-e8da638cc829
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1011388
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped 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 known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 643880 Sample: bb5e2667e962e620a4f51e2aceb... Startdate: 11/06/2022 Architecture: WINDOWS Score: 100 66 ayranger7.ddns.net 2->66 74 Snort IDS alert for network traffic 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->78 80 9 other signatures 2->80 8 bb5e2667e962e620a4f51e2aceb12e42b1d2b249719a8.exe 16 7 2->8         started        13 Etpwxqfjo.exe 14 4 2->13         started        15 Etpwxqfjo.exe 2->15         started        17 dhcpmon.exe 2->17         started        signatures3 process4 dnsIp5 70 ayranger7.ddns.net 23.229.34.114, 49747, 49762, 49763 SERVER-MANIACA Canada 8->70 62 C:\Users\user\AppData\...tpwxqfjo.exe, PE32 8->62 dropped 64 C:\Users\...tpwxqfjo.exe:Zone.Identifier, ASCII 8->64 dropped 84 Writes to foreign memory regions 8->84 86 Injects a PE file into a foreign processes 8->86 19 InstallUtil.exe 1 11 8->19         started        24 cmd.exe 1 8->24         started        26 powershell.exe 15 8->26         started        88 Multi AV Scanner detection for dropped file 13->88 28 cmd.exe 13->28         started        30 powershell.exe 13->30         started        36 2 other processes 13->36 72 192.168.2.1 unknown unknown 15->72 32 cmd.exe 15->32         started        38 2 other processes 15->38 34 conhost.exe 17->34         started        file6 signatures7 process8 dnsIp9 68 ayranger7.ddns.net 19->68 58 C:\Users\user\AppData\Roaming\...\run.dat, data 19->58 dropped 60 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->60 dropped 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->82 40 conhost.exe 24->40         started        42 timeout.exe 1 24->42         started        44 conhost.exe 26->44         started        46 conhost.exe 28->46         started        48 timeout.exe 28->48         started        50 conhost.exe 30->50         started        52 conhost.exe 32->52         started        54 timeout.exe 32->54         started        56 conhost.exe 38->56         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb5e2667e962e620a4f51e2aceb12e42b1d2b249719a8123cf912a9a1e4bfcb2/
Threat name:
Win32.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2022-06-11 15:12:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
11 of 41 (26.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xnpcmz7jmltcbjhvdyvm5mjoiky5fmsjognici6psevjuhsl7sza._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
nanocorerat
Create hunting rule
Similar samples:
0b1396805e736275f16550f3ecc5361cfcccc468094b4ea910ded8eaf430a5b3
NanoCore
263565e9f77b5ee48474855d471315dd56d1bcabe4d037fb380d404b3afcd14e
NanoCore
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
7709c1a46eff201524b42caaecba9ce963f7580e77d7b9c32059aaf3acfb248a
NanoCore
862965d573744607a29489905cfc8abdd8f187874d476ef4263eee7e5175630a
NanoCore
9530780503c903e1d83738e19e754c3756e067612adddcea2f64c25749b6a838
NanoCore
ddb292ac2c57e10703a5358532be2d46e4d5ea94361fd30be3c1e2bfb919621f
NanoCore
+ 5'906 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220611-sk54tabea8/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
ayranger7.ddns.net:705
Unpacked files
SH256 hash:
bb5e2667e962e620a4f51e2aceb12e42b1d2b249719a8123cf912a9a1e4bfcb2
MD5 hash:
84315f41046da424cfd5eef8b9f09004
SHA1 hash:
39e02110d3b4f9ef21635ab32c77898f285b925c
Link:
https://www.unpac.me/results/a31e1e6c-15b4-4a0a-a63c-3b3c5827e367/
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/bb5e2667e962e620a4f51e2aceb12e42b1d2b249719a8123cf912a9a1e4bfcb2

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
Create hunting rule
Author:abuse.ch
Rule name:malware_Nanocore_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Nanocore_RAT_Gen_2_RID2D96
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Cape
Cape
https://www.capesandbox.com/analysis/278928/

Comments