MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 049a7c8bf4126088f12bcdbe2e1d5bbe5e341cfddda7959379c93a4036546200. 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



Formbook


Vendor detections: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 049a7c8bf4126088f12bcdbe2e1d5bbe5e341cfddda7959379c93a4036546200
SHA3-384 hash: b3dea5279fa65726f81ccbb6674f28d1f85acf31f21ee27a8f4840cc3f3ac062f8835ee57baa66c0690b46e06a0db245
SHA1 hash: 9d3cdb08495ad4ed30d8270c5da9268843cf2c69
MD5 hash: d5bb8c9cb30b239923a5183004a00563
humanhash: island-magazine-winter-skylark
File name:caNlGGGG6kRIttj.exe
Download: download sample
Signature Formbook
File size:463'872 bytes
First seen:2020-08-05 07:54:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:nbSHotQtHQIKW+G2DXDnctDBrB0cYCeqIX1/XvYccCjo242oJBCcWYfP:baHHP3+1XDnE1+tNpJ4tfX
Threatray 5'289 similar samples on MalwareBazaar
TLSH CEA49D59F3445899F4262A3F9C7294172D23FA6FDA26C10F187A3229057B38E6877F43
Reporter abuse_ch
Tags:exe FormBook Hostwinds


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: hwsrv-759308.hostwindsdns.com
Sending IP: 104.168.213.29
From: BETZEN JOSE | LOGISTICS COORDINATOR <info@crio2.com>
Reply-To: BETZEN JOSE | LOGISTICS COORDINATOR <info@crio.com>, BETZEN JOSE | LOGISTICS COORDINATOR <info@crio.com>
Subject: Request for quotation
Attachment: Quotation.iso (contains "caNlGGGG6kRIttj.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 sandboxes and other dynamic analysis tools (process name or module or function)
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257464 Sample: caNlGGGG6kRIttj.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Yara detected AntiVM_3 2->63 65 6 other signatures 2->65 10 caNlGGGG6kRIttj.exe 1 2->10         started        process3 file4 47 C:\Users\user\...\caNlGGGG6kRIttj.exe.log, ASCII 10->47 dropped 77 Tries to detect virtualization through RDTSC time measurements 10->77 79 Injects a PE file into a foreign processes 10->79 81 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->81 14 caNlGGGG6kRIttj.exe 10->14         started        17 caNlGGGG6kRIttj.exe 10->17         started        19 caNlGGGG6kRIttj.exe 10->19         started        signatures5 process6 signatures7 95 Modifies the context of a thread in another process (thread injection) 14->95 97 Maps a DLL or memory area into another process 14->97 99 Sample uses process hollowing technique 14->99 101 Queues an APC in another process (thread injection) 14->101 21 explorer.exe 4 6 14->21 injected process8 dnsIp9 53 www.tromagy.com 63.250.41.73, 49750, 49751, 49752 NAMECHEAP-NETUS United States 21->53 55 www.samanthahough.com 35.186.238.101, 49737, 80 GOOGLEUS United States 21->55 57 www.thegoodeearth.com 21->57 45 C:\Users\user\AppData\Local\...\f2ks4pdnb.exe, PE32 21->45 dropped 73 System process connects to network (likely due to code injection or exploit) 21->73 75 Benign windows process drops PE files 21->75 26 cscript.exe 1 17 21->26         started        30 f2ks4pdnb.exe 1 21->30         started        32 f2ks4pdnb.exe 21->32         started        34 raserver.exe 21->34         started        file10 signatures11 process12 file13 49 C:\Users\user\AppData\...\3KRlogrv.ini, data 26->49 dropped 51 C:\Users\user\AppData\...\3KRlogri.ini, data 26->51 dropped 83 Detected FormBook malware 26->83 85 Tries to steal Mail credentials (via file access) 26->85 87 Tries to harvest and steal browser information (history, passwords, etc) 26->87 93 2 other signatures 26->93 36 cmd.exe 1 26->36         started        89 Injects a PE file into a foreign processes 30->89 38 f2ks4pdnb.exe 30->38         started        41 f2ks4pdnb.exe 32->41         started        91 Tries to detect virtualization through RDTSC time measurements 34->91 signatures14 process15 signatures16 43 conhost.exe 36->43         started        67 Modifies the context of a thread in another process (thread injection) 38->67 69 Maps a DLL or memory area into another process 38->69 71 Sample uses process hollowing technique 38->71 process17
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-05 01:08:45 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: MapViewOfSection
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
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

Formbook

Executable exe 049a7c8bf4126088f12bcdbe2e1d5bbe5e341cfddda7959379c93a4036546200

(this sample)

  
Delivery method
Distributed via e-mail attachment

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