MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 839377fd0aa17abb875ab6d090738390fc33219fa7b60b753f17e642165347a0. 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: 13
| SHA256 hash: | 839377fd0aa17abb875ab6d090738390fc33219fa7b60b753f17e642165347a0 |
|---|---|
| SHA3-384 hash: | a0365025f78f76cee93de130506351f6817d42e06bc8197e287699085c26a0913641082f26ebcd35e1a42057f731a0ef |
| SHA1 hash: | 1e6f6b1736c4a51f7f94427866cd88ae8e413509 |
| MD5 hash: | 476f7ccfae367d3a1379c260ca28b8d5 |
| humanhash: | virginia-football-california-cup |
| File name: | 476f7ccfae367d3a1379c260ca28b8d5 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 366'080 bytes |
| First seen: | 2021-11-16 11:21:50 UTC |
| Last seen: | 2021-11-16 12:36:44 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 6144:u7hL/0ICwebv4kZLFw0U9xjKjo5oww0+O2tBFck4JdP09jvnE0O5q9Rcm84bAOTl:u10n/bv4krqxjx3wO2xck4Jh09dAOp |
| Threatray | 11'225 similar samples on MalwareBazaar |
| TLSH | T1277402A5837CCB3ACA2A47FD6532551113F1621AA913E79E0FC8A0CB7D72BC255186E3 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-16 09:40:16 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 11'215 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:e5dn rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.elpasomedicare.com/e5dn/
Unpacked files
SH256 hash:
69fd1d71d1827a715d37a6f1e4265551de76ff28b09722c8ac8315bfcc64a590
MD5 hash:
09463763a91ffbc113fd0c955dd3a00c
SHA1 hash:
705c345dc5ce34eff63c11937cc93f2876aa9f99
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
7fd108ba8d901456fd70476044fb9c93e0d0fb110f397b622eef8381d709eb86
MD5 hash:
0417dbd740920cab08cda28b0867a094
SHA1 hash:
9c91f9451739767e6921d879b91f0c1e56e95624
SH256 hash:
839377fd0aa17abb875ab6d090738390fc33219fa7b60b753f17e642165347a0
MD5 hash:
476f7ccfae367d3a1379c260ca28b8d5
SHA1 hash:
1e6f6b1736c4a51f7f94427866cd88ae8e413509
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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