MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8eec4bab21ed9fe8e753d366df06b9ffdb4865fe5d1f7b1f4252e74978f13322. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8eec4bab21ed9fe8e753d366df06b9ffdb4865fe5d1f7b1f4252e74978f13322
SHA3-384 hash: 932194accaa30889afd68941a57b097f1370e8f88e6d75bb45d101b9d05921def202d6ff6f2c89690e5895804f361f88
SHA1 hash: dbecd9a4edbaaf24765497cd0d02f248dd41e51f
MD5 hash: 7c49dd394e1508366467d91e96df56f4
humanhash: echo-north-cup-chicken
File name:gsvgG8ndZiiaVJC.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:573'440 bytes
First seen:2022-04-21 08:29:22 UTC
Last seen:2022-04-21 09:58:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Id8RzcF35MUpvPxSGPePJBo9ql/421au:u8RWBPll
Threatray 4'660 similar samples on MalwareBazaar
TLSH T1EDC4129A72A44736D1EF57F53132024817B8B306D512F70CAEC452DE6C62BC0EE65BAB
TrID 49.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
21.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.9% (.SCR) Windows screen saver (13101/52/3)
7.1% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 31f0d4a2d4c87276 (13 x AgentTesla, 9 x SnakeKeylogger, 6 x Formbook)
Reporter pr0xylife
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/265375/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.17990.20969.UNOFFICIAL
Create hunting rule

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 replace.exe update.exe
Link:
https://www.filescan.io/uploads/6261160cffe27d5119215f4a/reports/500d7130-a0d2-4a57-80aa-e7f97afee173/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.
Malware family:
NanoCoreRAT
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ccdf00fc-5263-47cb-b3ab-32ec28e4a715
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/980549
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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: 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
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 613042 Sample: gsvgG8ndZiiaVJC.exe Startdate: 21/04/2022 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 10 other signatures 2->57 8 gsvgG8ndZiiaVJC.exe 7 2->8         started        12 gsvgG8ndZiiaVJC.exe 2->12         started        14 dhcpmon.exe 2->14         started        process3 file4 43 C:\Users\user\AppData\Roaming\tlbyHCa.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmpF346.tmp, XML 8->45 dropped 47 C:\Users\user\...\gsvgG8ndZiiaVJC.exe.log, ASCII 8->47 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 8->61 63 Adds a directory exclusion to Windows Defender 8->63 65 Injects a PE file into a foreign processes 8->65 16 gsvgG8ndZiiaVJC.exe 1 12 8->16         started        21 powershell.exe 25 8->21         started        23 schtasks.exe 1 8->23         started        signatures5 process6 dnsIp7 49 lowspeed.ddns.net 185.19.85.175, 49748, 49751, 49753 DATAWIRE-ASCH Switzerland 16->49 37 C:\Program Files (x86)\...\dhcpmon.exe, PE32 16->37 dropped 39 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 16->39 dropped 41 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 16->41 dropped 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->59 25 schtasks.exe 16->25         started        27 schtasks.exe 16->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        file8 signatures9 process10 process11 33 conhost.exe 25->33         started        35 conhost.exe 27->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8eec4bab21ed9fe8e753d366df06b9ffdb4865fe5d1f7b1f4252e74978f13322/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2022-04-21 03:25:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r3wexkzb5wp6rz2t2ntn6bvz77nuqzp6lupxwh2ckltus6hrgmra._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
1227e556fd5f895455e0ffc0b17249181961d4dfb78922497f90410808765985
NanoCore
32874f0b28626ef297751b30230e2e9908a0d9196d56c66ee97be86a7bddb4b3
NanoCore
558c3b5d571697ab604649130fd84d0396f116e2d2c2dbbceb57b55f21069717
NanoCore
573b1dd9da735c7ca71132db9e6e8cb9fb5c8293b2f185d10b877ed33a203e2f
NanoCore
8f4007f0c6f570327d5026756b4a48c8a776a6a9516b28a83913307d3db760f7
NanoCore
e27792bffcd7542e12f213e02a043e53e49e6b62aebd91dace6d1621ffb0e07c
NanoCore
+ 4'650 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/220421-kd5wgadhg9/
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:
lowspeed.ddns.net:50421
185.19.85.175:50421
Unpacked files
SH256 hash:
9b1575c7b4e023a3d58c77cbdf20e23327ef1c57e3391bc251a3e1a91e83edb3
MD5 hash:
8b8cb933cff0e2ab695cd433159864b1
SHA1 hash:
dcaca3688000ba466f71cfecc653a93222d3321c
Link:
https://www.unpac.me/results/852a7eca-427c-4207-ad90-cafcf944102c/
SH256 hash:
ef058d0a23b36683b62d8331a6c43c2356bede56fdbe3587ba5b6889f344a67e
MD5 hash:
b41d180b984cffb701dc35d732f53494
SHA1 hash:
86a8c95cfabccfb57ca2e4520122d165776dee20
Link:
https://www.unpac.me/results/852a7eca-427c-4207-ad90-cafcf944102c/
SH256 hash:
98899982145f6efe75d1abb32d2f7d67a2da9d8726836af84fd913fa31014a8e
MD5 hash:
10111ce76d242bd232e89b4d972c58dc
SHA1 hash:
69521912182de2b6d9f5bc19b626a52af8f5aaf2
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/852a7eca-427c-4207-ad90-cafcf944102c/
Parent samples :
c1b389c206643b8b44108fef4b41234ef5818d2868a769d20609dbc9ece3a68b
08a62cc0bd0c9cc0375aa718245fc96b54acc5e4d29185d9850ac8b9ddad2b80
4b355893056f9a6bb68141cd7418de6a44db31c182ef73aff6319804c3d3f507
ac7bbbdc7d9d1f8a588feb249cf6786bb8e598f0d9020b90de93e1d0b48719f7
1227e556fd5f895455e0ffc0b17249181961d4dfb78922497f90410808765985
8eec4bab21ed9fe8e753d366df06b9ffdb4865fe5d1f7b1f4252e74978f13322
SH256 hash:
3bf77676834c08ffedc6ad55a3defb4c8bfa08c786e0ce24bf82b655d687d144
MD5 hash:
1610e6d4ba4e1ee27c1b0184650b2449
SHA1 hash:
30e3b3c2e4865caa9ed0656572dbb74b7014f6ef
Link:
https://www.unpac.me/results/852a7eca-427c-4207-ad90-cafcf944102c/
SH256 hash:
8eec4bab21ed9fe8e753d366df06b9ffdb4865fe5d1f7b1f4252e74978f13322
MD5 hash:
7c49dd394e1508366467d91e96df56f4
SHA1 hash:
dbecd9a4edbaaf24765497cd0d02f248dd41e51f
Link:
https://www.unpac.me/results/852a7eca-427c-4207-ad90-cafcf944102c/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8eec4bab21ed/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/8eec4bab21ed9fe8e753d366df06b9ffdb4865fe5d1f7b1f4252e74978f13322

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/265375/

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