MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b662d7015e25e2eba4e7b535732df5310c28ddd80797c260eebadfed1a1197d. 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 1 YARA 2 File information Comments

SHA256 hash: 1b662d7015e25e2eba4e7b535732df5310c28ddd80797c260eebadfed1a1197d
SHA3-384 hash: 397379a8c263d9f5a8ff8d25792f4a3753b7589e44ee7e390ce00e098454b4dec8dd3e4071676bc8accb8ad3f9e5a8ec
SHA1 hash: 2c7807352b5ece76d1e0364acdcfce3bc2cd9b72
MD5 hash: d2c4ad3484a598f0848a7947fc45175f
humanhash: oregon-double-carolina-ohio
File name:Faktura ref. # IRQ-21-07778.exe
Download: download sample
Signature NanoCore
File size:713'728 bytes
First seen:2022-01-25 08:36:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:H/VbvGr58Y5AyhIVeoNMLwP024jA83+L3tgjYU7eiue:H/VbvG5m+IVpcfUxgMKei
Threatray 2'392 similar samples on MalwareBazaar
TLSH T171E4D0447BA4C773C57A6BF804F130188BB5395AA63ED5982CCB91DB0BBAF108562F17
File icon (PE):PE icon
dhash icon c89c98acacacbcac (31 x Loki, 23 x AgentTesla, 22 x AveMariaRAT)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
89.238.150.43:57095

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
89.238.150.43:57095 https://threatfox.abuse.ch/ioc/324262/

Intelligence


File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Running batch commands
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
AgentTesla AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 559341 Sample: Faktura ref. # IRQ-21-07778.exe Startdate: 25/01/2022 Architecture: WINDOWS Score: 100 96 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->96 98 Antivirus detection for dropped file 2->98 100 Antivirus / Scanner detection for submitted sample 2->100 102 15 other signatures 2->102 11 Faktura ref. # IRQ-21-07778.exe 7 2->11         started        15 chromeex.exe 4 2->15         started        process3 file4 82 C:\Users\user\AppData\...\uSbiuPFvZX.exe, PE32 11->82 dropped 84 C:\Users\...\uSbiuPFvZX.exe:Zone.Identifier, ASCII 11->84 dropped 86 C:\Users\user\AppData\Local\...\tmpC51C.tmp, XML 11->86 dropped 88 C:\...\Faktura ref. # IRQ-21-07778.exe.log, ASCII 11->88 dropped 110 Adds a directory exclusion to Windows Defender 11->110 17 Faktura ref. # IRQ-21-07778.exe 6 11->17         started        20 powershell.exe 25 11->20         started        22 schtasks.exe 1 11->22         started        30 2 other processes 11->30 112 Antivirus detection for dropped file 15->112 114 Multi AV Scanner detection for dropped file 15->114 116 Machine Learning detection for dropped file 15->116 118 Injects a PE file into a foreign processes 15->118 24 powershell.exe 15->24         started        26 schtasks.exe 15->26         started        28 chromeex.exe 15->28         started        signatures5 process6 file7 76 C:\Users\user\AppData\Local\...\chromeex.exe, PE32 17->76 dropped 32 cmd.exe 1 17->32         started        34 cmd.exe 1 17->34         started        37 conhost.exe 20->37         started        39 conhost.exe 22->39         started        41 conhost.exe 24->41         started        43 conhost.exe 26->43         started        process8 signatures9 45 chromeex.exe 32->45         started        48 conhost.exe 32->48         started        50 timeout.exe 1 32->50         started        104 Suspicious powershell command line found 34->104 106 Bypasses PowerShell execution policy 34->106 52 conhost.exe 34->52         started        54 schtasks.exe 1 34->54         started        process10 signatures11 120 Adds a directory exclusion to Windows Defender 45->120 56 chromeex.exe 45->56         started        61 powershell.exe 45->61         started        63 schtasks.exe 45->63         started        process12 dnsIp13 90 89.238.150.43, 49760, 49773, 49776 M247GB United Kingdom 56->90 92 192.168.2.1 unknown unknown 56->92 78 C:\Users\user\AppData\Local\Temp\oxbxwr.exe, PE32 56->78 dropped 80 C:\Users\user\AppData\Local\Temp\detjdk.exe, PE32 56->80 dropped 108 Tries to harvest and steal browser information (history, passwords, etc) 56->108 65 cmd.exe 56->65         started        68 conhost.exe 61->68         started        70 conhost.exe 63->70         started        file14 signatures15 process16 signatures17 94 Suspicious powershell command line found 65->94 72 conhost.exe 65->72         started        74 powershell.exe 65->74         started        process18
Threat name:
ByteCode-MSIL.Trojan.Injuke
Status:
Malicious
First seen:
2022-01-25 08:16:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat spyware stealer suricata
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
89.238.150.43:57095
Unpacked files
SH256 hash:
299980bf27b03b19eaa68481e77fe9d3c908feef9b486f716d2c5a3ca2e1cd09
MD5 hash:
0f600daefdc4038c4388ba6d0f170283
SHA1 hash:
f149512d8e2598e3a1e6da266025eed1a5ce5785
Detections:
win_asyncrat_w0
SH256 hash:
8cdc788c835594d5f45bb80f40c91e1e7066fce5eb34801c9c114453225a2fda
MD5 hash:
5dd419537133e2701bbe7fe07892dc00
SHA1 hash:
5ede52a72ae83feeca3e485844bf410a112a1fd5
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
SH256 hash:
1b662d7015e25e2eba4e7b535732df5310c28ddd80797c260eebadfed1a1197d
MD5 hash:
d2c4ad3484a598f0848a7947fc45175f
SHA1 hash:
2c7807352b5ece76d1e0364acdcfce3bc2cd9b72
Malware family:
AsyncRAT
Verdict:
Malicious
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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