MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac64348c4bd4596613d633157c3cc758283166e5ccccf6685b22a202b85bf8bb. 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



Loki


Vendor detections: 10


Intelligence 10 IOCs 1 YARA 17 File information Comments

SHA256 hash: ac64348c4bd4596613d633157c3cc758283166e5ccccf6685b22a202b85bf8bb
SHA3-384 hash: bc278b5d615ccf2796953d9c1d031e58a5819a474d17efed7e1c1fce8f215cac90b588b13ea6a80ee5b8cbeb53c8fc8a
SHA1 hash: 0779f4391fc2b8fcefd815f2b58636c29128ef26
MD5 hash: 427eea96bf87dd434b680897dd9ce2f7
humanhash: spaghetti-eighteen-alpha-lima
File name:Ntjvbvus.exe
Download: download sample
Signature Loki
File size:17'408 bytes
First seen:2022-06-20 20:58:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:/TNI9RATqPu29E47Z0PxPj6+DOSxFv5JQzK7X9j:rETF7Z2PlTJQzKD9j
Threatray 9'730 similar samples on MalwareBazaar
TLSH T17772E955BB88C231C4F94975DC2267F40231EFA8D841A75714ECBE4F7AB32834B216AB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 1f195b5a5b6f777f (12 x AgentTesla, 2 x AZORult, 2 x PureCrypter)
Reporter abuse_ch
Tags:exe Loki


Avatar
abuse_ch
Loki C2:
http://gopliu.com/file/five/fre.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://gopliu.com/file/five/fre.php https://threatfox.abuse.ch/ioc/717376/

Intelligence


File Origin
# of uploads :
1
# of downloads :
355
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Reading critical registry keys
Changing a file
Sending an HTTP POST request
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
SUSPICIOUS
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:
Lokibot
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Malicious sample detected (through community Yara rule)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected aPLib compressed binary
Yara detected Costura Assembly Loader
Yara detected Lokibot
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 649182 Sample: Ntjvbvus.exe Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 51 gopliu.com 2->51 67 Snort IDS alert for network traffic 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 6 other signatures 2->73 8 Ntjvbvus.exe 16 7 2->8         started        12 Wmkyxpc.exe 14 4 2->12         started        15 Wmkyxpc.exe 3 2->15         started        signatures3 process4 dnsIp5 53 cdn.discordapp.com 162.159.134.233, 443, 49742 CLOUDFLARENETUS United States 8->53 43 C:\Users\user\AppData\Roaming\...\Wmkyxpc.exe, PE32 8->43 dropped 45 C:\Users\user\...\Wmkyxpc.exe:Zone.Identifier, ASCII 8->45 dropped 47 C:\Users\user\AppData\...47tjvbvus.exe.log, ASCII 8->47 dropped 17 InstallUtil.exe 54 8->17         started        21 cmd.exe 1 8->21         started        55 162.159.130.233, 443, 49817, 49844 CLOUDFLARENETUS United States 12->55 57 192.168.2.1 unknown unknown 12->57 75 Antivirus detection for dropped file 12->75 23 cmd.exe 12->23         started        25 Wmkyxpc.exe 12->25         started        27 cmd.exe 15->27         started        29 Wmkyxpc.exe 15->29         started        file6 signatures7 process8 dnsIp9 49 gopliu.com 82.163.176.114, 49781, 49798, 49808 WILDCARD-ASWildcardUKLimitedGB United Kingdom 17->49 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->59 61 Tries to steal Mail credentials (via file registry) 17->61 63 Tries to steal Mail credentials (via file / registry access) 17->63 65 2 other signatures 17->65 31 conhost.exe 21->31         started        33 timeout.exe 1 21->33         started        35 conhost.exe 23->35         started        37 timeout.exe 23->37         started        39 conhost.exe 27->39         started        41 timeout.exe 27->41         started        signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-20 20:59:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
15 of 41 (36.59%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot collection persistence spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Lokibot
suricata: ET MALWARE LokiBot Application/Credential Data Exfiltration Detected M1
suricata: ET MALWARE LokiBot Application/Credential Data Exfiltration Detected M2
suricata: ET MALWARE LokiBot Checkin
suricata: ET MALWARE LokiBot Fake 404 Response
suricata: ET MALWARE LokiBot Request for C2 Commands Detected M1
suricata: ET MALWARE LokiBot Request for C2 Commands Detected M2
suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)
Malware Config
C2 Extraction:
https://gopliu.com/file/five/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Unpacked files
SH256 hash:
ac64348c4bd4596613d633157c3cc758283166e5ccccf6685b22a202b85bf8bb
MD5 hash:
427eea96bf87dd434b680897dd9ce2f7
SHA1 hash:
0779f4391fc2b8fcefd815f2b58636c29128ef26
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:infostealer_loki
Rule name:infostealer_xor_patterns
Author:jeFF0Falltrades
Description:The XOR and string patterns shown here appear to be unique to certain information-stealing malware families, namely LokiBot and Pony/Fareit. The XOR patterns were observed in a several loaders and payloads for LokiBot, but have also appeared (less frequently) in Pony/Fareit loaders and samples. The two accompanying rules below can be used to further classify the final payloads.
Rule name:Loki
Author:kevoreilly
Description:Loki Payload
Rule name:LokiBot
Author:kevoreilly
Description:LokiBot Payload
Rule name:malware_Lokibot_strings
Author:JPCERT/CC Incident Response Group
Description:detect Lokibot in memory
Reference:internal research
Rule name:MAL_Lokibot_Stealer
Description:Detects Lokibot Stealer Variants
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:STEALER_Lokibot
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect Lokibot stealer
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research
Rule name:win_lokipws_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.lokipws.

File information


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

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