MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0cbbdd2c9615f4d2de4e0232ace6b69889a54538444838ac6616a5aa39109c98. 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 2 File information Comments

SHA256 hash: 0cbbdd2c9615f4d2de4e0232ace6b69889a54538444838ac6616a5aa39109c98
SHA3-384 hash: 051934453f8d5d87a49793551a2160ca89a34542d082b8896ea0f229a53acba39382df3920bf2495d0c6f9547a8e989e
SHA1 hash: 8386cdbc85faede7527aa83b4646dff3f9edc910
MD5 hash: 9d9cb0f32a77d7d81296095768d3583e
humanhash: twenty-shade-sixteen-gee
File name:PO #KV18RE001-A5491.exe
Download: download sample
Signature NanoCore
File size:1'270'784 bytes
First seen:2021-05-10 07:14:31 UTC
Last seen:2021-05-10 08:07:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:j0s3e0bj5uLJy3AmKANAlN8ek7CPWUli/v:I+OZlANAv8eb+Ul6
Threatray 6'612 similar samples on MalwareBazaar
TLSH CB458CA5B742EA85D81A0F79C65716F042E5AC23E635F28F2DD8BDD036337EA065F801
Reporter abuse_ch
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Sending a UDP request
Running batch commands
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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 AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: NanoCore
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 411850 Sample: PO #KV18RE001-A5491.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 8 other signatures 2->74 8 googles.exe 14 4 2->8         started        13 PO #KV18RE001-A5491.exe 15 7 2->13         started        15 InstallUtil.exe 2->15         started        17 2 other processes 2->17 process3 dnsIp4 66 192.168.2.1 unknown unknown 8->66 54 C:\Users\user\AppData\Roaming\ammero.exe, PE32 8->54 dropped 88 Multi AV Scanner detection for dropped file 8->88 90 Machine Learning detection for dropped file 8->90 92 Writes to foreign memory regions 8->92 96 2 other signatures 8->96 19 ammero.exe 8->19         started        22 InstallUtil.exe 8->22         started        56 C:\Users\user\AppData\Roaming\googles.exe, PE32 13->56 dropped 58 C:\Users\user\AppData\...\InstallUtil.exe, PE32 13->58 dropped 60 C:\Users\user\...\googles.exe:Zone.Identifier, ASCII 13->60 dropped 62 C:\Users\user\...\PO #KV18RE001-A5491.exe.log, ASCII 13->62 dropped 94 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->94 26 cmd.exe 1 13->26         started        28 googles.exe 3 13->28         started        30 conhost.exe 15->30         started        32 conhost.exe 17->32         started        34 conhost.exe 17->34         started        file5 signatures6 process7 dnsIp8 76 Antivirus detection for dropped file 19->76 78 Multi AV Scanner detection for dropped file 19->78 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->80 86 2 other signatures 19->86 64 79.134.225.91, 4488, 49691, 49692 FINK-TELECOM-SERVICESCH Switzerland 22->64 48 C:\Users\user\AppData\Roaming\...\run.dat, International 22->48 dropped 50 C:\Users\user\AppData\Local\...\tmp460B.tmp, XML 22->50 dropped 52 C:\Program Files (x86)\...\dhcpmon.exe, PE32 22->52 dropped 82 Uses schtasks.exe or at.exe to add and modify task schedules 22->82 84 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->84 36 schtasks.exe 22->36         started        38 schtasks.exe 22->38         started        40 conhost.exe 26->40         started        42 reg.exe 1 1 26->42         started        file9 signatures10 process11 process12 44 conhost.exe 36->44         started        46 conhost.exe 38->46         started       
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-05-10 02:18:38 UTC
AV detection:
9 of 46 (19.57%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:agenttesla family:nanocore agilenet evasion keylogger persistence 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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
AgentTesla Payload
AgentTesla
NanoCore
Malware Config
C2 Extraction:
79.134.225.91:4488
Unpacked files
SH256 hash:
0cbbdd2c9615f4d2de4e0232ace6b69889a54538444838ac6616a5aa39109c98
MD5 hash:
9d9cb0f32a77d7d81296095768d3583e
SHA1 hash:
8386cdbc85faede7527aa83b4646dff3f9edc910
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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