MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e72a6a06f00903c71cc40e79fdbf1fe1155099b722da6e606f4c8c65835a60fd. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e72a6a06f00903c71cc40e79fdbf1fe1155099b722da6e606f4c8c65835a60fd
SHA3-384 hash: bb2f6359ad81af9f6811bcfafc3dea16b511020a43711ef024a036da7f4153967c74db9cc918af95d471c2fcb66fb8fe
SHA1 hash: 88e53c57072398b342b710eada6d67f9e181fd90
MD5 hash: e43cdd8ed98653b01d62b6399ea8d31e
humanhash: nineteen-beer-nitrogen-missouri
File name:e43cdd8ed98653b01d62b6399ea8d31e.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:717'312 bytes
First seen:2022-05-06 16:14:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:OJyEKS4gBl2XGmbzj7278X2Rlr0q0i5TYfY87gv2Ska1kc7MnfUlvsnmj:6AcBl2XDb/727Sja5YfY8gv2A
TLSH T15BE4AE9D766076DFC567C472CDA41C68E76075BA830FD203A02312AD9E0EAABDF550F2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
333
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
e43cdd8ed98653b01d62b6399ea8d31e.exe
Verdict:
Malicious activity
Analysis date:
2022-05-06 16:42:05 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/0b9bfbd5-57f1-4c05-b041-e9c5b3a08b45

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/269142/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/627549dcf83e35ebf4ee3781/reports/1c748bbe-2bf4-4dea-af87-6e57c8ee959c/overview
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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6bb36f1f-8851-4e05-a060-29bb97652306
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/989209
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Sigma detected: NanoCore
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
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 621706 Sample: rkJUmQH5be.exe Startdate: 06/05/2022 Architecture: WINDOWS Score: 100 64 strongest.ddns.net 2->64 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for dropped file 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 15 other signatures 2->76 9 rkJUmQH5be.exe 7 2->9         started        13 rkJUmQH5be.exe 4 2->13         started        15 dhcpmon.exe 2->15         started        17 dhcpmon.exe 2->17         started        signatures3 process4 file5 56 C:\Users\user\AppData\...\VeJSOkkGkCwoT.exe, PE32 9->56 dropped 58 C:\...\VeJSOkkGkCwoT.exe:Zone.Identifier, ASCII 9->58 dropped 60 C:\Users\user\AppData\Local\...\tmp14C5.tmp, XML 9->60 dropped 62 C:\Users\user\AppData\...\rkJUmQH5be.exe.log, ASCII 9->62 dropped 80 Detected unpacking (changes PE section rights) 9->80 82 Detected unpacking (overwrites its own PE header) 9->82 84 Uses schtasks.exe or at.exe to add and modify task schedules 9->84 19 rkJUmQH5be.exe 1 12 9->19         started        24 powershell.exe 25 9->24         started        26 schtasks.exe 1 9->26         started        86 Adds a directory exclusion to Windows Defender 13->86 88 Injects a PE file into a foreign processes 13->88 28 powershell.exe 13->28         started        30 schtasks.exe 13->30         started        32 powershell.exe 15->32         started        signatures6 process7 dnsIp8 66 185.19.85.160, 49753, 49754, 49755 DATAWIRE-ASCH Switzerland 19->66 68 strongest.ddns.net 19->68 50 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->50 dropped 52 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 19->52 dropped 54 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->54 dropped 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->78 34 schtasks.exe 1 19->34         started        36 schtasks.exe 1 19->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 conhost.exe 30->44         started        file9 signatures10 process11 process12 46 conhost.exe 34->46         started        48 conhost.exe 36->48         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e72a6a06f00903c71cc40e79fdbf1fe1155099b722da6e606f4c8c65835a60fd/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-06 16:15:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=44vgubxqbeb4ohgebz473py74ekvbgnxelng4ydpjsggla22md6q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220506-tp8aeaabc4/
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
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
strongest.ddns.net:54761
185.19.85.160:54761
Unpacked files
SH256 hash:
e78d9ac40dfbbacff3165074637f5e1aa57ba68cab2e603abba3f3398674227e
MD5 hash:
5be31df6d01dfcee194a4124b6548f55
SHA1 hash:
d7b76d99f7b0247b58218933c86d47fb757ee3d9
Link:
https://www.unpac.me/results/766ebc72-6d24-487d-9982-81eb3e4278bd/
SH256 hash:
dd4d402529ab53492500679721c2b8492d929de87519ab89d5a7856424f90e2a
MD5 hash:
6dd216d80bbe7da4a1079c51bb28b4b0
SHA1 hash:
d3c4d093cae53875b7942e0b7188e27e92880bde
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/766ebc72-6d24-487d-9982-81eb3e4278bd/
SH256 hash:
7dafed88ecba9a49a8253e7b43a000652e3d72f766cfb1ebed38a08c412682c3
MD5 hash:
a6ec7e55834f9cff6d366af56db989a1
SHA1 hash:
775b60260226fccf45b02131d7019881de8c952c
Link:
https://www.unpac.me/results/766ebc72-6d24-487d-9982-81eb3e4278bd/
SH256 hash:
eeef2fece530b70fac9fda54f6fc7ff16c47fec8185189dabcc55ec259c07243
MD5 hash:
43cfd77d5c4f1487c6ce71ab1894f27b
SHA1 hash:
f697d42caacd134fe81cf7ebe69e396aee5a0d93
Link:
https://www.unpac.me/results/766ebc72-6d24-487d-9982-81eb3e4278bd/
SH256 hash:
044e6e22943ac21887eaef4daf70bc43b8d7b54b7160ecc2e0b6ff77a6832a99
MD5 hash:
0512fe61b5e75a5aa25f0c17882292cd
SHA1 hash:
3b05ecfbb15a15fd46a9d9b588620454b6361745
Link:
https://www.unpac.me/results/766ebc72-6d24-487d-9982-81eb3e4278bd/
SH256 hash:
e72a6a06f00903c71cc40e79fdbf1fe1155099b722da6e606f4c8c65835a60fd
MD5 hash:
e43cdd8ed98653b01d62b6399ea8d31e
SHA1 hash:
88e53c57072398b342b710eada6d67f9e181fd90
Link:
https://www.unpac.me/results/766ebc72-6d24-487d-9982-81eb3e4278bd/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e72a6a06f009/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/e72a6a06f00903c71cc40e79fdbf1fe1155099b722da6e606f4c8c65835a60fd

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/269142/

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