MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bfb2fd4412e9cd136a794f61436d597d7d58fb4fd842509dabe7a70344e4fd97. 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
| SHA256 hash: | bfb2fd4412e9cd136a794f61436d597d7d58fb4fd842509dabe7a70344e4fd97 |
|---|---|
| SHA3-384 hash: | 2d620b655481f3e521496e029e8e6f7aebaf167c44d839c6ca140af3fca33ee7efcf5967c87862b7b9f79f0afe380ad1 |
| SHA1 hash: | 0dbd4a3bd2ec726ac5a2ae82d4d1b2111c1ac3cd |
| MD5 hash: | 14e5c56a3bb09c519a9a98f03ff9c1a2 |
| humanhash: | monkey-earth-single-carpet |
| File name: | Wecon Trading - documents#202004.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 699'392 bytes |
| First seen: | 2020-08-05 11:35:49 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:lKVhWEMIFTgp4ss1eAf/RidmvNmn5vwDhzfV08dpsvsHH/boyV7aJ7jDmmmmmmmO:YVhsxKn1ewRyasIDhiqpsvefsQa |
| Threatray | 5'134 similar samples on MalwareBazaar |
| TLSH | E0E4BD787E90ECD4F465CA3A2DF2DC634E0EFC2B8E11810768E53A27237915A9911E77 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: cesales.com
Sending IP: 37.49.229.235
From: Wecon Trading Limited <customerservice@cesales.com>
Subject: Confirm attached document
Attachment: Wecon Trading - documents202004.7z (contains "Wecon Trading - documents#202004.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
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
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Initial sample is a PE file and has a suspicious name
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-05 11:37:10 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 5'124 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook evasion persistence
Behaviour
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Gathers network information
Suspicious use of FindShellTrayWindow
System policy modification
Suspicious behavior: MapViewOfSection
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
Adds policy Run key to start application
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.76
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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