MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1fb53720f755909dee2f5fe9c8015ed9b5e52817dd9a91d6ed7762eaa9faa2d. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1fb53720f755909dee2f5fe9c8015ed9b5e52817dd9a91d6ed7762eaa9faa2d
SHA3-384 hash: 653c0eb433749686e0295caf1648a1027224fc4742c63bbd3477365410c3070ce2b208d62fc9adf0c4037732c9332425
SHA1 hash: b5f8e11f505b239e5f827ba3d16391db877c8aa6
MD5 hash: abcd0f40cd9864b95dc406babae4aab5
humanhash: fruit-stairway-apart-georgia
File name:Payment details.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:340'992 bytes
First seen:2022-03-21 08:41:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:LrW4DSp8DP3H4exIj5DxcUuiZz0mDZR52F4A+Ts712N0t5RZDf:LrWKSqPoPtBuiZzj8z
Threatray 4'455 similar samples on MalwareBazaar
TLSH T15D744657765B4FD7C1E635F7686572CE4271AC214E12C257B7A8383EF8B3B92CA00126
File icon (PE):PE icon
dhash icon 2750d8d4d4789047 (2 x NanoCore, 1 x GuLoader)
Reporter abuse_ch
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/253420/
Detection(s):
Win.Malware.Bypassuac-6952290-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62383a640cd58dbd92cd3dad/reports/c2bbf190-16fb-471f-8b15-9f953b88b3fd/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc3a899c-409f-4c12-bde5-c04a93bf15a8
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960530
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected Nanocore Rat
Executable has a suspicious name (potential lure to open the executable)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: NanoCore
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 Costura Assembly Loader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 593007 Sample: Payment details.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 41 anglekeys111.ddnsgeek.com 2->41 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 12 other signatures 2->57 9 Payment details.exe 16 5 2->9         started        14 task.exe 14 3 2->14         started        16 task.exe 2 2->16         started        18 RegAsm.exe 2 2->18         started        signatures3 process4 dnsIp5 49 richmox.xyz 5.2.79.202, 443, 49769, 49788 LITESERVERNL Netherlands 9->49 35 C:\Users\user\AppData\Roaming\task.exe, PE32 9->35 dropped 37 C:\Users\user\...\task.exe:Zone.Identifier, ASCII 9->37 dropped 39 C:\Users\user\...\Payment details.exe.log, ASCII 9->39 dropped 63 Writes to foreign memory regions 9->63 65 Injects a PE file into a foreign processes 9->65 20 RegAsm.exe 8 9->20         started        67 Antivirus detection for dropped file 14->67 69 Performs DNS queries to domains with low reputation 14->69 25 conhost.exe 18->25         started        file6 signatures7 process8 dnsIp9 43 pw3922065test.ddns.net 79.134.225.6, 49779, 49781, 49782 FINK-TELECOM-SERVICESCH Switzerland 20->43 45 anglekeys111.ddnsgeek.com 192.3.3.131, 49784, 49785, 49787 AS-COLOCROSSINGUS United States 20->45 47 192.168.2.1 unknown unknown 20->47 31 C:\Users\user\AppData\Roaming\...\run.dat, data 20->31 dropped 33 C:\Users\user\AppData\Local\...\tmp4ECD.tmp, XML 20->33 dropped 59 Uses schtasks.exe or at.exe to add and modify task schedules 20->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->61 27 schtasks.exe 1 20->27         started        file10 signatures11 process12 process13 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1fb53720f755909dee2f5fe9c8015ed9b5e52817dd9a91d6ed7762eaa9faa2d/
Threat name:
ByteCode-MSIL.Trojan.Bingoml
Create hunting rule
Status:
Malicious
First seen:
2022-03-21 08:42:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uh5vg4qpovmqtxxc6x7jzaav5wnv4uubpxm2shlo253c5ku7viwq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
239ec3bfd566b2e7c09a16c28997aac2ddaad1c717baa23b2f22e5e212ac9c00
NanoCore
462757689ac3c1498cfc5160eb8e160c27668ab5b9a8546af645d522e93e21c0
NanoCore
48adb6d06f1851c1febdf05eb2691b5ea68d6d47a08c67045ccbde8760c5680e
NanoCore
8141fae70ffd2918e015e5626af46b24706075a22900abe9c3e9ee753c892f96
NanoCore
a237dbf82afbdf7dfab8bf6ff84f2a9543d46a9d07951827cd520aa5ec2accd9
NanoCore
a4717412162c3a9b74997841c66cb913771279323f6e5829b6e42b0970499e08
NanoCore
+ 4'445 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220321-kl1xgsaeg8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Reads user/profile data of web browsers
NanoCore
Malware Config
C2 Extraction:
pw3922065test.ddns.net:9036
anglekeys111.ddnsgeek.com:9036
Unpacked files
SH256 hash:
4c594d5aef9dec048b9238ceb0487405ab9194df8943bd6a56b405968c84d90f
MD5 hash:
909d346a0e3c38c5b080b92c13328f31
SHA1 hash:
a284271764686a1c99827eac548bd54c26aed47f
Link:
https://www.unpac.me/results/ec1becc2-829d-4aa5-ae1e-c4a542a9d5e3/
SH256 hash:
a1fb53720f755909dee2f5fe9c8015ed9b5e52817dd9a91d6ed7762eaa9faa2d
MD5 hash:
abcd0f40cd9864b95dc406babae4aab5
SHA1 hash:
b5f8e11f505b239e5f827ba3d16391db877c8aa6
Link:
https://www.unpac.me/results/ec1becc2-829d-4aa5-ae1e-c4a542a9d5e3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/a1fb53720f755909dee2f5fe9c8015ed9b5e52817dd9a91d6ed7762eaa9faa2d

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:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
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 a1fb53720f755909dee2f5fe9c8015ed9b5e52817dd9a91d6ed7762eaa9faa2d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/253420/

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