MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61ce5023167c9a25d41656e8bd12b05769fac072fc6edf6024641ae2c77c8ece. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 61ce5023167c9a25d41656e8bd12b05769fac072fc6edf6024641ae2c77c8ece
SHA3-384 hash: 86b93d6d1c2052f48927a73a980437733a7eede9be77cfdb7086ca420f205e8c0d38c9d661ff0db96067e0054c14b849
SHA1 hash: e63c00b12ce68c4492b8251df3a249fd5c3c826e
MD5 hash: 8fffb7619b8621a8e71a5f4c0337db89
humanhash: arkansas-don-aspen-fifteen
File name:BL COPY.exe
Download: download sample
Signature NanoCore
File size:401'920 bytes
First seen:2020-08-03 09:25:37 UTC
Last seen:2020-08-03 13:32:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:vAF8uo6yFDQrpKVcykBDpmghazBaEqAjZebkR6+p+8xaSA+rUqb0MppMpppppw33:vA06jDQzBfqgZebb+p+8xaR+rUqBJ
Threatray 4'844 similar samples on MalwareBazaar
TLSH 5684F14FF584865DCC6D86B1C99390DCC2631C3BA541EB5A38EDB32E0A7D2D1242A8DF
Reporter jarumlus
Tags:NanoCore

Intelligence


File Origin
# of uploads :
3
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Sending a UDP request
Unauthorized injection to a system process
Enabling autorun
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
Detected FormBook malware
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256037 Sample: BL COPY.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Yara detected FormBook 2->62 64 5 other signatures 2->64 8 BL COPY.exe 7 2->8         started        process3 file4 46 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 8->46 dropped 48 C:\Users\user\AppData\...\BL COPY.exe.log, ASCII 8->48 dropped 50 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 8->50 dropped 78 Injects a PE file into a foreign processes 8->78 12 BL COPY.exe 8->12         started        15 cmd.exe 1 8->15         started        17 cmd.exe 3 8->17         started        20 cmd.exe 1 8->20         started        signatures5 process6 file7 80 Modifies the context of a thread in another process (thread injection) 12->80 82 Maps a DLL or memory area into another process 12->82 84 Sample uses process hollowing technique 12->84 86 Queues an APC in another process (thread injection) 12->86 22 explorer.exe 12->22 injected 26 reg.exe 1 1 15->26         started        28 conhost.exe 15->28         started        38 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 17->38 dropped 30 conhost.exe 17->30         started        40 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 20->40 dropped 32 conhost.exe 20->32         started        signatures8 process9 dnsIp10 52 www.joomlas123.com 199.192.16.98, 49753, 49754, 49755 NAMECHEAP-NETUS United States 22->52 54 millypr.com 34.102.136.180, 49747, 49748, 49749 GOOGLEUS United States 22->54 56 2 other IPs or domains 22->56 74 System process connects to network (likely due to code injection or exploit) 22->74 34 wscript.exe 17 22->34         started        76 Creates an undocumented autostart registry key 26->76 signatures11 process12 file13 42 C:\Users\user\AppData\...\149logrv.ini, data 34->42 dropped 44 C:\Users\user\AppData\...\149logri.ini, data 34->44 dropped 66 Detected FormBook malware 34->66 68 Tries to steal Mail credentials (via file access) 34->68 70 Tries to harvest and steal browser information (history, passwords, etc) 34->70 72 3 other signatures 34->72 signatures14
Threat name:
Win32.Trojan.Quasar
Status:
Malicious
First seen:
2020-08-03 08:19:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
42 of 48 (87.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook evasion
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
NTFS ADS
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Loads dropped DLL
Blacklisted process makes network request
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

NanoCore

Executable exe 61ce5023167c9a25d41656e8bd12b05769fac072fc6edf6024641ae2c77c8ece

(this sample)

  
Dropped by
NanoCore
  
Delivery method
Distributed via e-mail attachment

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