MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 99d9cdc246bf28881b009ae71b1611c83397b23b5adf5b3746f51a5a2903ec24. 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: 5
| SHA256 hash: | 99d9cdc246bf28881b009ae71b1611c83397b23b5adf5b3746f51a5a2903ec24 |
|---|---|
| SHA3-384 hash: | 69acb3b3c19c80a6887133da499fcfb59989faffbaa55f044a3e671974e69460c47df2a0eac7a1c614e2b41bdd7abddb |
| SHA1 hash: | aac38b670e8a9bc81c9f77b1a22463c2f79596d4 |
| MD5 hash: | 4b137bcab6062fa409adf6ef5695d77f |
| humanhash: | black-potato-shade-bakerloo |
| File name: | Purchase Order 77809 for acknowledgment.exe |
| Download: | download sample |
| Signature | FormBook |
| File size: | 242'688 bytes |
| First seen: | 2020-05-11 08:27:18 UTC |
| Last seen: | 2020-05-12 07:04:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger) |
| ssdeep | 3072:vNYS7nI0XWZxTh0El0pXB0IHDGR83qpLIxw4svCFbphpM2uCpjsg3KegAwgWmS4I:VYUtWuEl0pGIaR8gIx0TFCp/67A1 |
| Threatray | 5'109 similar samples on MalwareBazaar |
| TLSH | 1534486969BD533BC1E4C6B4CBCC9A26B400A1F77B176D6C68E2C295C617E43378322D |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing FormBook:HELO: outriger.biz
Sending IP: 156.96.59.92
From: Kim Sung Hae<sales@outriger.biz>
Reply-To: aoer.wzaoer@gmail.com
Subject: Re: Purchase Order 77809 for acknowledgment
Attachment: Purchase Order 77809 for acknowledgment.zip (contains "Purchase Order 77809 for acknowledgment.exe")
Intelligence
File Origin
# of uploads :
3
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-05-11 01:35:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
27 of 31 (87.10%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 5'099 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat rezer0 spyware stealer trojan persistence
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious use of UnmapMainImage
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
rezer0
Formbook
Malware Config
C2 Extraction:
http://www.slacktracks.info/y22/
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
Delivery method
Distributed via e-mail attachment
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