MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc9690dcde0dfa23d657f84bc221296c45590b595d5cca9131087638c35c8a8b. 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: 13


Intelligence 13 IOCs 1 YARA 6 File information Comments

SHA256 hash: cc9690dcde0dfa23d657f84bc221296c45590b595d5cca9131087638c35c8a8b
SHA3-384 hash: 4960b48e4422b36b16e8a848ad4f3addc86e88c4db31ae44b6194787e6b766fb22fbd7844ac7641cf6aa888b1eb7d2ce
SHA1 hash: b75a74ca657f4940b251c5116bcf2d3a78773671
MD5 hash: 6a0c22a8a8d9524ba012910571b57d38
humanhash: burger-mountain-berlin-utah
File name:6a0c22a8a8d9524ba012910571b57d38.exe
Download: download sample
Signature NanoCore
File size:663'040 bytes
First seen:2021-04-04 00:35:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:7XAH590sYmLTYUxkaMjOXB7jreGkclqR:y0sYmZxfMKXBXreGk8
Threatray 1'734 similar samples on MalwareBazaar
TLSH 5CE4A3A870AE805CEEB46634F5B595821FC929321F62FF3F28D66B006C63779F94E510
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.134.225.7:6060

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
79.134.225.7:6060 https://threatfox.abuse.ch/ioc/6664/

Intelligence


File Origin
# of uploads :
1
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6a0c22a8a8d9524ba012910571b57d38.exe
Verdict:
Malicious activity
Analysis date:
2021-04-04 00:37:26 UTC
Tags:
trojan nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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)
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 381644 Sample: wDIaJji4Vv.exe Startdate: 04/04/2021 Architecture: WINDOWS Score: 100 45 james12.ddns.net 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 13 other signatures 2->59 8 wDIaJji4Vv.exe 7 2->8         started        12 dhcpmon.exe 2->12         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\LGKyjAEnmfdSo.exe, PE32 8->33 dropped 35 C:\...\LGKyjAEnmfdSo.exe:Zone.Identifier, ASCII 8->35 dropped 37 C:\Users\user\AppData\Local\...\tmpE049.tmp, XML 8->37 dropped 39 C:\Users\user\AppData\...\wDIaJji4Vv.exe.log, ASCII 8->39 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 8->61 63 Writes to foreign memory regions 8->63 65 Allocates memory in foreign processes 8->65 67 2 other signatures 8->67 14 RegSvcs.exe 1 11 8->14         started        19 powershell.exe 24 8->19         started        21 powershell.exe 26 8->21         started        25 3 other processes 8->25 23 conhost.exe 12->23         started        signatures6 process7 dnsIp8 47 james12.ddns.net 79.134.225.7, 49715, 49721, 49722 FINK-TELECOM-SERVICESCH Switzerland 14->47 49 192.168.2.1 unknown unknown 14->49 41 C:\Users\user\AppData\Roaming\...\run.dat, data 14->41 dropped 43 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->43 dropped 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->51 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        31 conhost.exe 25->31         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-04-02 15:12:37 UTC
AV detection:
11 of 43 (25.58%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
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
NanoCore
Malware Config
C2 Extraction:
james12.ddns.net:6060
127.0.0.1:6060
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
SH256 hash:
cc9690dcde0dfa23d657f84bc221296c45590b595d5cca9131087638c35c8a8b
MD5 hash:
6a0c22a8a8d9524ba012910571b57d38
SHA1 hash:
b75a74ca657f4940b251c5116bcf2d3a78773671
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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
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.

Comments