MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6fff69c658eefdd7ba7deba86d09717b77aece9c9ca1a6e980f58ad3e2de86d. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: e6fff69c658eefdd7ba7deba86d09717b77aece9c9ca1a6e980f58ad3e2de86d
SHA3-384 hash: 28d3c330ca9eff9af22e1f01f5d7a36e6948806d199754aaf25c7c4d96d47f21c79d26f1f91f2e923f9bbb2673a6c860
SHA1 hash: 212a3d707f5df8eec53adafb914a953acaf5bbf7
MD5 hash: c33979491336e67c6693a108b528ba2b
humanhash: oxygen-jupiter-salami-white
File name:Proforma Invoice.exe
Download: download sample
Signature Formbook
File size:580'608 bytes
First seen:2022-04-13 08:07:39 UTC
Last seen:2022-04-13 08:35:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:VWDeTgbdwo4qii3Rj4JkEH6X8GJ8oJ+A7Uez5n+2rVZTafRyp0CdqbdEqqz8Q3Fq:V3sR4qiiBjHMGJN9TSyx+e1wQyXP
Threatray 14'835 similar samples on MalwareBazaar
TLSH T1FDC4E110F1A92FA5D47A03F91C30A24407B7B75EB56DCA1D6CBA71CE59327C32612E2B
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
354
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Proforma Invoice.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 08:10:09 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-13 08:08:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:as31 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
73dae8b47dfe1e96862c1328b52e6978da172dac7907f6688061db692c8f55f7
MD5 hash:
ada67a8bb3623bf14421caf6283633ae
SHA1 hash:
f98f2046261ba439bb93538b9b127f8c0a46f2e4
SH256 hash:
b4364bba1d1c0f9cd4f07899b646ab90c1fcee31a985cea8377960da1692903a
MD5 hash:
42d633e43e81a4b3b1e7c3e61a2bbcb4
SHA1 hash:
9e459eedfcd7d56b3917372066a55279e35a60fc
SH256 hash:
571d96e0cdba07f18b28dff27d220c2367407173060f75f98ce1780a84367c94
MD5 hash:
a34317f10b1486b481069bdff7c6e6a6
SHA1 hash:
195e95f18a58ca091424151fed2b9f89270b4856
SH256 hash:
e6fff69c658eefdd7ba7deba86d09717b77aece9c9ca1a6e980f58ad3e2de86d
MD5 hash:
c33979491336e67c6693a108b528ba2b
SHA1 hash:
212a3d707f5df8eec53adafb914a953acaf5bbf7
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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.

Malspam

Formbook

Executable exe e6fff69c658eefdd7ba7deba86d09717b77aece9c9ca1a6e980f58ad3e2de86d

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments