MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e181d0af7a2c55dcef66d5b50a88f39997ffd043170daa97a230dff974c2db95. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: e181d0af7a2c55dcef66d5b50a88f39997ffd043170daa97a230dff974c2db95
SHA3-384 hash: be2c66caca792363add872a09be10c7b25bc246a05ce641469ba3a44832b08a14efb8aedf2c8284b7eed1c7e6f65bc2a
SHA1 hash: c016c735b8d23f27dfab1f010bc4c6ac35f5c471
MD5 hash: 942b6c4ad4b1e89cee5fe5db150c3951
humanhash: saturn-alabama-tennis-four
File name:Ubn_03030387356383-tg.exe
Download: download sample
Signature NanoCore
File size:1'286'656 bytes
First seen:2021-06-29 13:22:29 UTC
Last seen:2021-06-29 13:42:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:c0KJSYhnuA3KSF29cC2ig1rd8kkIVGAvQPAK7Kx:MEoTj29cC2icdThGA
Threatray 2'690 similar samples on MalwareBazaar
TLSH 1755AD013AC6C634E0BA02F5A99EDB9407F77D03DA27CA396DF033D979F1762A486584
Reporter Anonymous
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ubn_03030387356383-tg.exe
Verdict:
Malicious activity
Analysis date:
2021-06-29 13:34:57 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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)
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 441821 Sample: Ubn_03030387356383-tg.exe Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 59 1116.hopto.org 2->59 65 Multi AV Scanner detection for domain / URL 2->65 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 9 other signatures 2->71 9 Ubn_03030387356383-tg.exe 7 2->9         started        14 dhcpmon.exe 4 2->14         started        16 Ubn_03030387356383-tg.exe 4 2->16         started        18 dhcpmon.exe 3 2->18         started        signatures3 process4 dnsIp5 63 192.168.2.1 unknown unknown 9->63 53 C:\Users\user\AppData\Roaming\qHjmSOfs.exe, PE32 9->53 dropped 55 C:\Users\user\AppData\Local\...\tmp9082.tmp, XML 9->55 dropped 57 C:\Users\...\Ubn_03030387356383-tg.exe.log, ASCII 9->57 dropped 75 Uses schtasks.exe or at.exe to add and modify task schedules 9->75 20 Ubn_03030387356383-tg.exe 1 12 9->20         started        25 schtasks.exe 1 9->25         started        27 schtasks.exe 14->27         started        29 dhcpmon.exe 14->29         started        31 schtasks.exe 16->31         started        33 Ubn_03030387356383-tg.exe 16->33         started        file6 signatures7 process8 dnsIp9 61 1116.hopto.org 185.140.53.9, 1116 DAVID_CRAIGGG Sweden 20->61 49 C:\Program Files (x86)\...\dhcpmon.exe, PE32 20->49 dropped 51 C:\Users\user\AppData\Roaming\...\run.dat, data 20->51 dropped 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->73 35 schtasks.exe 1 20->35         started        37 schtasks.exe 1 20->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 31->43         started        file10 signatures11 process12 process13 45 conhost.exe 35->45         started        47 conhost.exe 37->47         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-29 13:23:09 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore 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
NanoCore
Malware Config
C2 Extraction:
1116.hopto.org:1116
185.140.53.9:1116
Unpacked files
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
SH256 hash:
bd4a0d6875f32bffb8fa20a5126a3b0c42cac1026b009ad9b8d33a7426c445f9
MD5 hash:
280fcf373156cb53885cb3d2fef7eb5a
SHA1 hash:
59b3a17e1326a0bdabb9021993cde973ec3c2523
SH256 hash:
e181d0af7a2c55dcef66d5b50a88f39997ffd043170daa97a230dff974c2db95
MD5 hash:
942b6c4ad4b1e89cee5fe5db150c3951
SHA1 hash:
c016c735b8d23f27dfab1f010bc4c6ac35f5c471
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.

  
Delivery method
Distributed via e-mail link

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