MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abb93b35593a9344114aa182139d53d18f667755bd2bcb052478d6f533cba4aa. 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

SHA256 hash: abb93b35593a9344114aa182139d53d18f667755bd2bcb052478d6f533cba4aa
SHA3-384 hash: c5801f4a1d2ffa64ed3417678f9270e5b12e324bcb4a6cdccfdce487f1ecdafcb010324c784ac06eff3336e7e0be3014
SHA1 hash: 44112cd7a656549c75681b7beb5e86ec1df38d17
MD5 hash: 59afd561965036dbe826b753a5c17e45
humanhash: oscar-lactose-moon-michigan
File name:ABB93B35593A9344114AA182139D53D18F667755BD2BC.exe
Download: download sample
Signature NanoCore
File size:580'096 bytes
First seen:2022-04-02 16:45:45 UTC
Last seen:2022-04-02 18:12:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:OVMvSBr6LbdlZqZsCcyWX5CdXrAtO9VxHfEHm6fwvP1Xe3x20jo2q9cQZEj:qdBWL5l2sl35CdzVCm6a1O3x22o2acQZ
Threatray 4'945 similar samples on MalwareBazaar
TLSH T154C412056B9FDE2BC56D0AFE401467F343747A16A4CAD7863EC025FFE8223816E89355
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
185.19.85.144:4040

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
185.19.85.144:4040 https://threatfox.abuse.ch/ioc/418084/

Intelligence


File Origin
# of uploads :
2
# of downloads :
522
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected Nanocore Rat
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 601917 Sample: ABB93B35593A9344114AA182139... Startdate: 02/04/2022 Architecture: WINDOWS Score: 100 73 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus detection for dropped file 2->77 79 13 other signatures 2->79 8 ABB93B35593A9344114AA182139D53D18F667755BD2BC.exe 7 2->8         started        12 dhcpmon.exe 2->12         started        14 dhcpmon.exe 5 2->14         started        16 ABB93B35593A9344114AA182139D53D18F667755BD2BC.exe 4 2->16         started        process3 file4 61 C:\Users\user\AppData\...\mRHwbscyGqvl.exe, PE32 8->61 dropped 63 C:\Users\...\mRHwbscyGqvl.exe:Zone.Identifier, ASCII 8->63 dropped 65 C:\Users\user\AppData\Local\...\tmp2503.tmp, XML 8->65 dropped 67 ABB93B35593A934411...667755BD2BC.exe.log, ASCII 8->67 dropped 83 Uses schtasks.exe or at.exe to add and modify task schedules 8->83 18 ABB93B35593A9344114AA182139D53D18F667755BD2BC.exe 1 14 8->18         started        23 schtasks.exe 1 8->23         started        25 schtasks.exe 12->25         started        27 dhcpmon.exe 12->27         started        29 dhcpmon.exe 12->29         started        31 schtasks.exe 14->31         started        33 dhcpmon.exe 14->33         started        35 schtasks.exe 16->35         started        37 ABB93B35593A9344114AA182139D53D18F667755BD2BC.exe 16->37         started        signatures5 process6 dnsIp7 69 efcc.duckdns.org 185.19.85.144, 4040, 49776, 49781 DATAWIRE-ASCH Switzerland 18->69 71 192.168.2.1 unknown unknown 18->71 55 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->55 dropped 57 C:\Users\user\AppData\Roaming\...\run.dat, data 18->57 dropped 59 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->59 dropped 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->81 39 schtasks.exe 1 18->39         started        41 schtasks.exe 1 18->41         started        43 conhost.exe 23->43         started        45 conhost.exe 25->45         started        47 conhost.exe 31->47         started        49 conhost.exe 35->49         started        file8 signatures9 process10 process11 51 conhost.exe 39->51         started        53 conhost.exe 41->53         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-02 00:05:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata 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
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
efcc.duckdns.org:4040
Unpacked files
SH256 hash:
c94e9628c2db60f667514bcdae4a067c578779a788e10a970eb252d76b73e48c
MD5 hash:
e43c118fc5dcd95868a1b3ec2ac55650
SHA1 hash:
c7745f62e579f387aeeb12fa1d98a8fbc02ad9cc
SH256 hash:
66396060d2b1c74437dae1c8514c63e61610ca3fc5a1286d25e0859e3405b86f
MD5 hash:
bee40399c299828a1331b90525c0dfa6
SHA1 hash:
c01fa93182e05911ffb53abfdda43bfb3e6d1fa9
Detections:
win_nanocore_w0
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
SH256 hash:
abb93b35593a9344114aa182139d53d18f667755bd2bcb052478d6f533cba4aa
MD5 hash:
59afd561965036dbe826b753a5c17e45
SHA1 hash:
44112cd7a656549c75681b7beb5e86ec1df38d17
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.

Comments