MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3931d6780f87facdf721f6e730ec38738afe7bb5378247824a1374802e2d04af. 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: 3931d6780f87facdf721f6e730ec38738afe7bb5378247824a1374802e2d04af
SHA3-384 hash: 5ed2c75a7a0564d8d65e2f344e03fe82eafe87f1191f1bbf215e22d189f9b892c11659fabeac76c350657c5943c514ab
SHA1 hash: 15a2fb017e9018e3ecfeb0cb8a6d7a97cc0645da
MD5 hash: f7694e5488663e4c07c6a49b870fa31a
humanhash: bluebird-friend-skylark-angel
File name:SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.6304.24661
Download: download sample
Signature Formbook
File size:260'914 bytes
First seen:2023-07-18 06:28:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:/Ya6Nu5RJ1EzQDo14PKJatyP6anukAwARxGu9AGnBvY/RIBarWeW:/Y3u5RJ1EU6IKa86IajvY5uarm
TLSH T1AD441214A5B9CAABD4E783328E3E2B219EACD93522F9930F1B145F5D3D67201964F313
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
257
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.6304.24661
Verdict:
Suspicious activity
Analysis date:
2023-07-18 06:31:26 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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin 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:
FormBook, NSISDropper
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)
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 submitted file
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-07-18 04:40:22 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
23 of 37 (62.16%)
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
039e72b646c8abf541b7d6d87e393c5c634fae83309758ee83ae159534691481
MD5 hash:
17eb09e5a18258bbb42396bb29e0a6d0
SHA1 hash:
69658d2a564ebab1586933530eb877826b556c4e
Detections:
XLoader win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
fc67477ee9b396d44ec8e8f94b0e666e15bb105bfc00515cba09d9c33c7357f7
MD5 hash:
b0464ea85f8c39a0971ee714e66eebd7
SHA1 hash:
a60ce444bd774347a40a53ed0b3999b513fb19e7
SH256 hash:
143b46acc04a2595fcd90ac934f9a6fafdb79eebdaa41f5f5443ddc0047d74d8
MD5 hash:
f32a0a8276b48265c1d3fb002aa08ac8
SHA1 hash:
bdb88fc7f8b0f4fc0d8c4d7ac3f0018dd36c5a8b
SH256 hash:
3931d6780f87facdf721f6e730ec38738afe7bb5378247824a1374802e2d04af
MD5 hash:
f7694e5488663e4c07c6a49b870fa31a
SHA1 hash:
15a2fb017e9018e3ecfeb0cb8a6d7a97cc0645da
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.

Comments