MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 642b58aecd23773984d262d3ec75346a5ed4f5409ef9aaa5babc4dcd0619b427. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 642b58aecd23773984d262d3ec75346a5ed4f5409ef9aaa5babc4dcd0619b427
SHA3-384 hash: 6a2d954f1b4ead04790138c7bb2987a8f05eec1a574fba6d1fa7ae6ba6668019efa39c02bd3b74007ea46ae34f4fe697
SHA1 hash: 0a49e4e93331b618a952a0435b587e4811de1508
MD5 hash: d35fc5185c8a58731cc0b8c4371e6c9c
humanhash: bluebird-cardinal-grey-artist
File name:SecuriteInfo.com.Gen.Variant.Nemesis.22806.13866.12295
Download: download sample
Signature Formbook
Create hunting rule
File size:255'334 bytes
First seen:2023-05-16 14:17:20 UTC
Last seen:2023-05-18 14:19:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:PYa6xhzbisGPq9rYlK9Tnb2hF2HWxp7+yOyXe:PYLhzbZyE8OjbsU4p7+TyXe
Threatray 2'860 similar samples on MalwareBazaar
TLSH T17544120536B8C627F0E146734D761A2FAEE9EE0B08B5570B1B900F913E33091BA29777
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 :
2
# of downloads :
270
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
new order request.xlsx
Verdict:
Malicious activity
Analysis date:
2023-05-16 10:17:51 UTC
Tags:
exploit cve-2017-11882 loader stealer formbook trojan
Link:
https://app.any.run/tasks/8e2428bd-9992-4700-81ac-84ff44f18a8b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/390498/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.22806.13866.12295.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/84869/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/6463909a572c06d257c2f47d/reports/dea097ae-84a2-4649-9431-80a4aaf6d670/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/642b58aecd23773984d262d3ec75346a5ed4f5409ef9aaa5babc4dcd0619b427
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6ed0f426-4529-46cb-8e0c-d0c703086d7a
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1234571
Signature
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/642b58aecd23773984d262d3ec75346a5ed4f5409ef9aaa5babc4dcd0619b427/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-16 11:27:55 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mqvvrlwnen3ttbgsmlj6y5junjpnj5kat342vjn2xrg42bqzwqtq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
05977847b0408ec1abb7b4cd05ad10b4004c97d5c949e579d695d47518f4f376
Formbook
1c120ac2bc08fbd5455f3d5a47dd87ce73e40fa4b0f7a3cdb2d41a85c800e603
Formbook
3a5125b535a9d3aec7608c040173cea1e3c12cb855ec5bad90847406022dfe98
Formbook
426c06ac810480970dbbd6cbfa2a6e9880ff50b35fd4576986400acce4af949f
Formbook
95086b275ae58d917c7f5d10b0d74ed4a1997c2b4d6bb3889c01075fe63b7800
Formbook
aeb52b6f9b9f7b458048aa0eba6255840d1a90f4309f18c95acc0f3f4b972df3
Formbook
bbce488ca134416b61010d40ba42d0c867493d6785bffa25c5e7568e3eeacb7c
Formbook
bf71631457bec8633d10c816bfa914ef51bee4acda9a37c2613697976a21decb
Formbook
bfc9cf8ef1369ba05191e708fea5b6c71d653dee922f15a53a7aed0642e1b756
Formbook
d79d4f61a8ac7e72f4b51fd872317a7d9feb84a46e47bebd09eb60c8a34ec057
Formbook
+ 2'850 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230516-rl9b7abb69/
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:
338fb5f945fb3b197252a2c545e532a4e04edeb77c803b56723db84c6fff2907
MD5 hash:
58062adcff22e513ccfd80984817598a
SHA1 hash:
6f887f9c33f2f1b6af6493929a399ab247b30460
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/aeb3d33b-b98b-47ca-bfac-fe10303223d7/
SH256 hash:
aa4e9cde1545e90bb0b03c0a98298ab7af74459ae727aecc71826710bd788c4a
MD5 hash:
d077451c41b07932ca2d931b4ae243ab
SHA1 hash:
2b6388f9c4d421d21877c83122b06bbdf8e2f889
Link:
https://www.unpac.me/results/aeb3d33b-b98b-47ca-bfac-fe10303223d7/
SH256 hash:
19c69db7e74e02c97f6837106e8df034700b8aeea212d359c7f9179bec4d3d94
MD5 hash:
46a230aaad0a4275c67c82979d15f063
SHA1 hash:
17c974ed28d9e038f22919757b5333664affd77b
Link:
https://www.unpac.me/results/aeb3d33b-b98b-47ca-bfac-fe10303223d7/
SH256 hash:
642b58aecd23773984d262d3ec75346a5ed4f5409ef9aaa5babc4dcd0619b427
MD5 hash:
d35fc5185c8a58731cc0b8c4371e6c9c
SHA1 hash:
0a49e4e93331b618a952a0435b587e4811de1508
Link:
https://www.unpac.me/results/aeb3d33b-b98b-47ca-bfac-fe10303223d7/
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:shellcode
Create hunting rule
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.

Web download

Formbook

Executable exe 642b58aecd23773984d262d3ec75346a5ed4f5409ef9aaa5babc4dcd0619b427

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2633530/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/390498/

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