MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39c5635ea42d63fe84500b9760fbe56e0fd3243007700749609bca1cd8d9e5d4. 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 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39c5635ea42d63fe84500b9760fbe56e0fd3243007700749609bca1cd8d9e5d4
SHA3-384 hash: 47c6d82a8ddfd8b1564ce0c9b42cf0abb31b93fe94d36b192f6acd7899a53aaccf08304b600dcdb4c2db17d6be275042
SHA1 hash: efae7e259b4581830c7e6bfeb94ed6dd25a54229
MD5 hash: aa035026516778019f8b8bd0e224fc03
humanhash: stream-hamper-washington-butter
File name:Payment confirmation .exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:542'720 bytes
First seen:2022-01-12 07:16:20 UTC
Last seen:2022-01-12 09:23:46 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 12288:bXGyj7pcvY2GblmQ1S3IAHQ7RBw/73iErP:fTc3bwNBwuEr
TLSH T123B4236A63798373CA7C57F6216282218B70E35634B3C98C5E00BDE62DE7B524B417B7
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
146.70.76.43:56281

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
146.70.76.43:56281 https://threatfox.abuse.ch/ioc/294112/

Intelligence

File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment confirmation .exe
Verdict:
Malicious activity
Analysis date:
2022-01-12 07:19:17 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/1197ff65-0066-46a6-95dc-e7de92ac93a0

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/218530/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Gathering data
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:
Unknown
Link:
https://analyze.intezer.com/analyses/500706b2-009d-4277-97ac-5eb67d8f9af3
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/918955
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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
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)
Sigma detected: NanoCore
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 551433 Sample: Payment confirmation .exe Startdate: 12/01/2022 Architecture: WINDOWS Score: 100 37 naki.airdns.org 2->37 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 16 other signatures 2->47 8 Payment confirmation .exe 7 2->8         started        signatures3 process4 file5 27 C:\Users\user\AppData\Roaming\QNRauI.exe, PE32 8->27 dropped 29 C:\Users\user\...\QNRauI.exe:Zone.Identifier, ASCII 8->29 dropped 31 C:\Users\user\AppData\Local\...\tmpEEA4.tmp, XML 8->31 dropped 33 C:\Users\...\Payment confirmation .exe.log, ASCII 8->33 dropped 49 Adds a directory exclusion to Windows Defender 8->49 51 Injects a PE file into a foreign processes 8->51 12 Payment confirmation .exe 7 8->12         started        17 powershell.exe 25 8->17         started        19 schtasks.exe 1 8->19         started        21 Payment confirmation .exe 8->21         started        signatures6 process7 dnsIp8 39 naki.airdns.org 146.70.76.43, 49761, 49762, 49763 TENET-1ZA United Kingdom 12->39 35 C:\Users\user\AppData\Roaming\...\run.dat, SysEx 12->35 dropped 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->53 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        file9 signatures10 process11
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/39c5635ea42d63fe84500b9760fbe56e0fd3243007700749609bca1cd8d9e5d4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-12 07:17:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hhcwgxvefvr75bcqbolwb67fnyh5gjbqa5yaoslatpfbzwgz4xka._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220112-h4dhssbeh6/
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
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
naki.airdns.org:56281
37.120.210.211:56281
Unpacked files
SH256 hash:
b8fa89698f272e127c5bce86324068f4a33e1413aae2e5f4b7065947ac306860
MD5 hash:
de6074c989121abe41a81fc93b039e8f
SHA1 hash:
371d3ff1aae817fa6ab5484dd0d840c3a2bd2f71
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/b5eab9f5-6262-440f-a46a-bbea9cf1c7bd/
Parent samples :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 hash:
6d6255e43f8c15ac35d75832b1b8ac911010720326488ca424eee3e0566817c6
MD5 hash:
6fbeffefb041ca0248c2873f8f170127
SHA1 hash:
dc99780c9888bd4855c7fb8c75e95921ecd6a96a
Link:
https://www.unpac.me/results/b5eab9f5-6262-440f-a46a-bbea9cf1c7bd/
SH256 hash:
d933af759ad93b2d8f11f5295cbadbe0f0de8657dc305f38ded9f1991fe49208
MD5 hash:
c9f32d62968840f272b5ce71aac79aad
SHA1 hash:
4935034647b30767df3caf206708d273aa052643
Link:
https://www.unpac.me/results/b5eab9f5-6262-440f-a46a-bbea9cf1c7bd/
SH256 hash:
39c5635ea42d63fe84500b9760fbe56e0fd3243007700749609bca1cd8d9e5d4
MD5 hash:
aa035026516778019f8b8bd0e224fc03
SHA1 hash:
efae7e259b4581830c7e6bfeb94ed6dd25a54229
Link:
https://www.unpac.me/results/b5eab9f5-6262-440f-a46a-bbea9cf1c7bd/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/39c5635ea42d/report/overview.html
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/39c5635ea42d63fe84500b9760fbe56e0fd3243007700749609bca1cd8d9e5d4

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/218530/

Comments