MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eaab62c32094cbfaee4637df06302ba813ce9d0f888a57ab59c0f2916664608f. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eaab62c32094cbfaee4637df06302ba813ce9d0f888a57ab59c0f2916664608f
SHA3-384 hash: 156d47a2efd5800139bf0cfd1e947db1facc2ce9c1e2ed2aefa0fefd8287e3eb2063098f7b7bae3dc23a4ef9076ea187
SHA1 hash: 131f19b88020b754a909e2b9f43e01476820294f
MD5 hash: d73e4f39152cb0bfe43a72d87e2e15e6
humanhash: ink-william-pluto-blossom
File name:CN-Invoice-XXXXX9808-19011143287989.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'100'288 bytes
First seen:2021-02-05 14:38:05 UTC
Last seen:2021-02-05 17:17:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:rTjr6arB565lKkn37n6k+AFRaYqjzxeRbd7Y0UyU:D565lKkn37z7aYAxeRbKnX
Threatray 5 similar samples on MalwareBazaar
TLSH 7335051263982FA9F07EA7BD9920540503F6BF26E3A2EE4D7CD938CA0935F41C751B52
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CN-Invoice-XXXXX9808-19011143287989.exe
Verdict:
Malicious activity
Analysis date:
2021-02-05 14:43:45 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/eebba9d3-d233-4726-be0a-dd52dd8d7919

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/115746/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.532.12231.18285.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Connection attempt
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/600301
Signature
.NET source code contains potential unpacker
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)
Initial sample is a PE file and has a suspicious name
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
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 349173 Sample: CN-Invoice-XXXXX9808-190111... Startdate: 05/02/2021 Architecture: WINDOWS Score: 100 40 185.157.160.233:2212 unknown unknown 2->40 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 13 other signatures 2->52 10 CN-Invoice-XXXXX9808-19011143287989.exe 7 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\boFbiXTmitU.exe, PE32 10->30 dropped 32 C:\Users\...\boFbiXTmitU.exe:Zone.Identifier, ASCII 10->32 dropped 34 C:\Users\user\AppData\Local\...\tmp4B6A.tmp, XML 10->34 dropped 36 CN-Invoice-XXXXX98...11143287989.exe.log, ASCII 10->36 dropped 13 MSBuild.exe 6 10->13         started        18 schtasks.exe 1 10->18         started        20 MSBuild.exe 10->20         started        22 3 other processes 10->22 process6 dnsIp7 42 185.157.160.233, 2212 OBE-EUROPEObenetworkEuropeSE Sweden 13->42 44 annapro.linkpc.net 105.112.106.235, 2212 VNL1-ASNG Nigeria 13->44 38 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 13->38 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->54 24 conhost.exe 18->24         started        file8 signatures9 process10 process11 26 MpCmdRun.exe 1 24->26         started        process12 28 conhost.exe 26->28         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/eaab62c32094cbfaee4637df06302ba813ce9d0f888a57ab59c0f2916664608f/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2021-02-05 14:14:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
55
AV detection:
22 of 29 (75.86%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5kvwfqzastf7v3sgg7pqmmblvaj45hiprcffpk2zydzjcztemchq._file
Verdict:
unknown
Similar samples:
1bb734df70a3c583274b025767ef61525593567ab0b3166b89a6fe421a99faa5
NanoCore
2d87860a387f6c8738c911cc90a90243c026ac6258ba3f3e8e972705f843f4fb
NanoCore
46929f90e61fac74a1af7779dc41466b3ca5cb5951d64a919c2344fa057c704c
NanoCore
c4ef55dd7d0ff66ea6d5828468dc18fe59ce12662234427db59012a0f45147ec
NanoCore
c5837489f915e5560cb25f426adfe518773d19e7b84bc7d8874ca00ce0ee1bf2
NanoCore
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger ransomware spyware stealer trojan
Link:
https://tria.ge/reports/210205-8qlwsxqs8a/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
185.157.160.233:2212
annapro.linkpc.net:2212
Unpacked files
SH256 hash:
5fb29664c0d241e0d9c6072c0cd71f8e12745248cea134ea6f4e890c03b947f5
MD5 hash:
3527fbd0a5639232fc33230618e7db32
SHA1 hash:
a32149df2706793961912353362579f9bb7d9243
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/6c972ae7-f409-4b6a-9fd5-7a2a6d1c8370/
Parent samples :
96cdf96daea9002d2dcf31e5d37b7df4942ef6085209df1f6b269b9baca3e40a
9da23f9a781b72621d3e787154ff0fc50c89cb33070467c7fd0fa0b24f07108c
cce24ef5bce0ff17a08ef75abb9b0b0d61c8c3af663a3f01d552a4288008a027
eaab62c32094cbfaee4637df06302ba813ce9d0f888a57ab59c0f2916664608f
SH256 hash:
6d00ff4d03094f61532b4cb44c09c62d749f8f1cd7df53dc7523ad9aeecffe77
MD5 hash:
a22e1cd461cad409a9b04a6444ff6f65
SHA1 hash:
28df35749becb5107e388012267d088d15e60eaa
Link:
https://www.unpac.me/results/6c972ae7-f409-4b6a-9fd5-7a2a6d1c8370/
SH256 hash:
2b2bcf851c2b87033fd24c890c2a1de3642564f7cec7282982d96b8280baa849
MD5 hash:
befb0470c71d676cc891cba16088975d
SHA1 hash:
5b7143f97d1d656fd1cacf70949048c1951b639a
Link:
https://www.unpac.me/results/6c972ae7-f409-4b6a-9fd5-7a2a6d1c8370/
SH256 hash:
eaab62c32094cbfaee4637df06302ba813ce9d0f888a57ab59c0f2916664608f
MD5 hash:
d73e4f39152cb0bfe43a72d87e2e15e6
SHA1 hash:
131f19b88020b754a909e2b9f43e01476820294f
Link:
https://www.unpac.me/results/6c972ae7-f409-4b6a-9fd5-7a2a6d1c8370/
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/eaab62c32094cbfaee4637df06302ba813ce9d0f888a57ab59c0f2916664608f

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:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
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_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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/115746/

Comments