MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3bd3f3d3614a9ae90661ee0fff12fd05d626353d1bc79e06e3d74870477411b. 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


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: f3bd3f3d3614a9ae90661ee0fff12fd05d626353d1bc79e06e3d74870477411b
SHA3-384 hash: 0cf8c2ac9c97882112740d70a6716b82c08ad10f3d68ce83745cbb50499aec6c9f356f7b606350c2e9964198945ce79f
SHA1 hash: 289e36621213abdb165386b19667009f462410b5
MD5 hash: 4f08507af03b7a382fb6f78017aacb95
humanhash: jersey-wolfram-xray-michigan
File name:Proforma Invoice.exe
Download: download sample
Signature Formbook
File size:260'717 bytes
First seen:2023-07-17 15:36:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6I/kWpmXa++6JSb6EyE0IesuJsXaHzqadkVt3Ngdb40skmms:/Y+/p89/SGo0TsDqTndkVt3NgdVlm
Threatray 3'360 similar samples on MalwareBazaar
TLSH T1334412057A71D266D0D326320C391B9A9F7ACE024624836F23115BE8BEB37E1960DF77
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence


File Origin
# of uploads :
1
# of downloads :
282
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-17 15:39:21 UTC
Tags:
n/a

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
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:
NSISDropper, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-07-17 09:10:03 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
f3bd3f3d3614a9ae90661ee0fff12fd05d626353d1bc79e06e3d74870477411b
MD5 hash:
4f08507af03b7a382fb6f78017aacb95
SHA1 hash:
289e36621213abdb165386b19667009f462410b5
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:meth_get_eip
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe f3bd3f3d3614a9ae90661ee0fff12fd05d626353d1bc79e06e3d74870477411b

(this sample)

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