MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bac4b7f411a6895a9992b4ddce92d251dfe63c4aafab668d0c525de4eddd5f2. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 6bac4b7f411a6895a9992b4ddce92d251dfe63c4aafab668d0c525de4eddd5f2
SHA3-384 hash: b7a4132c5e2d2c8e8fb00b422d45c6d42cd3f3a4210b20a516c25e7cab16b810af3b7de4ebe13f70ecb3bf1efc9a20c4
SHA1 hash: d08b8281eebd2221521c333bdbb5d74aa8a92d0a
MD5 hash: dc586fef0d44e3b50964f916ab75a44f
humanhash: golf-johnny-skylark-harry
File name:dc586fef0d44e3b50964f916ab75a44f.exe
Download: download sample
Signature NanoCore
File size:696'320 bytes
First seen:2023-05-30 04:20:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'660 x Formbook, 12'250 x SnakeKeylogger)
ssdeep 12288:e2N8jiZ4zypIPsKtPplTY6RhKuYqwxCWeWNsx0+Mzhe4rJQzSINgh2cywOuZq7Ie:e2N8jiZ4zypIPsKJTDEqACUlhe4rJTX6
Threatray 1'592 similar samples on MalwareBazaar
TLSH T1D8E402C43379AF46D873A7F4445452B8437EA86AB932E3430D83F0DA9AA5F444E91F1B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
213.152.162.181:9387

Intelligence


File Origin
# of uploads :
1
# of downloads :
341
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
dc586fef0d44e3b50964f916ab75a44f.exe
Verdict:
Malicious activity
Analysis date:
2023-05-30 04:23:10 UTC
Tags:
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
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed
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
Antivirus detection for URL or domain
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)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 877863 Sample: CgpIx13Spu.exe Startdate: 30/05/2023 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Multi AV Scanner detection for domain / URL 2->70 72 Found malware configuration 2->72 74 13 other signatures 2->74 7 CgpIx13Spu.exe 7 2->7         started        11 unFmnPEZpvL.exe 5 2->11         started        13 dhcpmon.exe 2->13         started        process3 file4 52 C:\Users\user\AppData\...\unFmnPEZpvL.exe, PE32 7->52 dropped 54 C:\Users\...\unFmnPEZpvL.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmp7EB8.tmp, XML 7->56 dropped 58 C:\Users\user\AppData\...\CgpIx13Spu.exe.log, ASCII 7->58 dropped 76 Uses schtasks.exe or at.exe to add and modify task schedules 7->76 78 Adds a directory exclusion to Windows Defender 7->78 15 CgpIx13Spu.exe 1 10 7->15         started        20 powershell.exe 20 7->20         started        22 powershell.exe 19 7->22         started        24 schtasks.exe 1 7->24         started        80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 26 schtasks.exe 11->26         started        28 unFmnPEZpvL.exe 11->28         started        30 unFmnPEZpvL.exe 11->30         started        32 schtasks.exe 13->32         started        34 dhcpmon.exe 13->34         started        signatures5 process6 dnsIp7 60 atelilian99.ddns.net 213.152.162.181, 49695, 49696, 49697 GLOBALLAYERNL Netherlands 15->60 62 192.168.2.1 unknown unknown 15->62 46 C:\Program Files (x86)\...\dhcpmon.exe, PE32 15->46 dropped 48 C:\Users\user\AppData\Roaming\...\run.dat, data 15->48 dropped 50 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 15->50 dropped 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->64 36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        44 conhost.exe 32->44         started        file8 66 Uses dynamic DNS services 60->66 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-05-26 11:05:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion 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
Checks whether UAC is enabled
Checks computer location settings
Unexpected DNS network traffic destination
NanoCore
Malware Config
C2 Extraction:
atelilian99.ddns.net:9387
127.0.0.1:9387
Unpacked files
SH256 hash:
3666253ca172645e74509252288991e195e41471946a4b2b511ff62e1470a66c
MD5 hash:
e05c9eaeb9d08bfaa60406c7fce61821
SHA1 hash:
bd3807dbdea002c8576830ff7a019421745333e7
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
c580473dd83f7ef9c66d3802f2bd126142fb0aca4b72d285b1f54af3fba790fe
MD5 hash:
9a81d4dee7e10159953c13f4406c0f8c
SHA1 hash:
527febbfc7f0da189c85596eebfd4c2282b79d68
Detections:
win_nanocore_w0
SH256 hash:
a518e0fddabae1e59f933566cb54e592331404d5362976f3ef81a1432dac4ffb
MD5 hash:
de906fce89f615f303ddfb80c1b37b35
SHA1 hash:
3568e3f9f0731da9a3294f4f8de61f95dc3eec31
SH256 hash:
e63e5820f78667606c2719716ec8c458cabaf9899724aed560c0708c61a1a2bd
MD5 hash:
bbe5b667243374b7c4fc51d84d7d9d98
SHA1 hash:
26b530cd1046b895f7381eae86c07c8cf0d48dcb
SH256 hash:
6bac4b7f411a6895a9992b4ddce92d251dfe63c4aafab668d0c525de4eddd5f2
MD5 hash:
dc586fef0d44e3b50964f916ab75a44f
SHA1 hash:
d08b8281eebd2221521c333bdbb5d74aa8a92d0a
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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