MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3349406861e76bfb84f4757a646c3fe94eb5e1cd27abeeffa48aabb6c8fa4d5. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: b3349406861e76bfb84f4757a646c3fe94eb5e1cd27abeeffa48aabb6c8fa4d5
SHA3-384 hash: 27664313c650d324032d7011958edcd9083d2e7c0377966d25c8f715ef5a349487089bad878b931e760c0e1859d667a1
SHA1 hash: 1a354f1cfd294cfc13a112b3c4e34510e29d6356
MD5 hash: 28a761904cd7842e2bd18886de2fd374
humanhash: fillet-edward-shade-delaware
File name:130003150.exe
Download: download sample
Signature Formbook
File size:376'320 bytes
First seen:2020-08-07 13:12:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:GQ/jFZhaGX3NM8hyRO3I/kRfmXB54Mx5ONgOj3v5uel0pWJClEe9BRwgiWpiA:GUhvX3N3n5qGM3ONxBuelWp1wgrpiA
Threatray 4'890 similar samples on MalwareBazaar
TLSH 7884029857FCEF32CAED0BF4A8DD354017B85586A763E7341E6638BA24A231415C43BB
Reporter abuse_ch
Tags:DHL exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: dhl.com
Sending IP: 37.49.224.193
From: DHL Express Service <no-reply@dhl.com>
Subject: DHL Shipment Prealert Arrival Notification victim-email
Attachment: 130003150.zip (contains "130003150.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching the process to change network settings
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
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: 259884 Sample: 130003150.exe Startdate: 07/08/2020 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Yara detected AntiVM_3 2->50 52 Yara detected FormBook 2->52 54 4 other signatures 2->54 10 130003150.exe 3 2->10         started        process3 file4 40 C:\Users\user\AppData\...\130003150.exe.log, ASCII 10->40 dropped 68 Tries to detect virtualization through RDTSC time measurements 10->68 70 Injects a PE file into a foreign processes 10->70 72 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->72 14 130003150.exe 10->14         started        17 130003150.exe 10->17         started        signatures5 process6 signatures7 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Sample uses process hollowing technique 14->78 80 Queues an APC in another process (thread injection) 14->80 19 explorer.exe 1 6 14->19 injected process8 dnsIp9 42 www.carebookkeeping.com 35.231.75.92, 49740, 49741, 49742 GOOGLEUS United States 19->42 44 www.otcvollar.com 19->44 46 3 other IPs or domains 19->46 34 C:\Users\user\AppData\Local\...\mfctfi.exe, PE32 19->34 dropped 56 System process connects to network (likely due to code injection or exploit) 19->56 58 Benign windows process drops PE files 19->58 24 rundll32.exe 1 17 19->24         started        28 mfctfi.exe 2 19->28         started        file10 signatures11 process12 file13 36 C:\Users\user\AppData\...\174logrv.ini, data 24->36 dropped 38 C:\Users\user\AppData\...\174logri.ini, data 24->38 dropped 60 Detected FormBook malware 24->60 62 Tries to steal Mail credentials (via file access) 24->62 64 Tries to harvest and steal browser information (history, passwords, etc) 24->64 66 3 other signatures 24->66 30 cmd.exe 1 24->30         started        signatures14 process15 process16 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-07 13:14:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat spyware evasion trojan stealer family:formbook persistence
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
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 b3349406861e76bfb84f4757a646c3fe94eb5e1cd27abeeffa48aabb6c8fa4d5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments