MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db97e5da364058f275f955609d038c46886beabb40e7f40fb30ae3295e352082. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db97e5da364058f275f955609d038c46886beabb40e7f40fb30ae3295e352082
SHA3-384 hash: 252c61e1495ddafeaca437232d5656ebc1a242f3f77d0164e85df5dd6f00a45654517d8c97bb9009f3fb3469ceb0fbcc
SHA1 hash: e1738b41cbb7e4cdee008f9f88438a4662a52161
MD5 hash: b257b769d6e090f887f13156cd235e27
humanhash: pip-victor-video-robert
File name:Invoice_copy_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:320'475 bytes
First seen:2023-04-20 10:16:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:GYa6m2DqJVnPI9OxAJc8ECDZYEMduextZe0ugXEY:GYI3PUfcOD1M1fZTmY
Threatray 2'695 similar samples on MalwareBazaar
TLSH T14E64E0293903C8FEE4BF42F8083C79A4AE46FD35D417690F53E7BA4567B42A0D82A745
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 a065646aeec646ec (21 x AgentTesla, 13 x Formbook, 5 x DarkCloud)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
228
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice_copy_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-20 10:44:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/13f75255-2043-42bc-ab44-7633c0e39e4c

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/383721/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66383193.30508.8587.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
DNS request
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/80645/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
55%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/6441113c2505c9cd829ecb22/reports/41bc9780-1d3e-46f6-9fb1-42fa118ba359/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/db97e5da364058f275f955609d038c46886beabb40e7f40fb30ae3295e352082
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6a83ee82-cd80-4772-a680-ae39cacd86f7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217892
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 850839 Sample: Invoice_copy_pdf.exe Startdate: 20/04/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 5 other signatures 2->39 9 Invoice_copy_pdf.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\hpppu.exe, PE32 9->25 dropped 12 hpppu.exe 9->12         started        process5 signatures6 53 Antivirus detection for dropped file 12->53 55 Multi AV Scanner detection for dropped file 12->55 57 Maps a DLL or memory area into another process 12->57 15 hpppu.exe 12->15         started        process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 5 6 15->18 injected process9 dnsIp10 27 www.kokororo.tech 157.112.152.47, 49701, 49702, 49703 SAKURA-CSAKURAInternetIncJP Japan 18->27 29 www.checavab.xyz 199.192.22.198, 49704, 49705, 49706 NAMECHEAP-NETUS United States 18->29 31 8 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Performs DNS queries to domains with low reputation 18->43 22 mstsc.exe 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/db97e5da364058f275f955609d038c46886beabb40e7f40fb30ae3295e352082/
Threat name:
Win32.Trojan.Nsisx
Create hunting rule
Status:
Malicious
First seen:
2023-04-13 03:50:40 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ol6lwrwibmpe5pzkvqj2a4mi2egx2v3idt7id5tblrssxrvecba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
58bd17702ff34a0317239001bc22682e03a7417a0b47438a4fa2aa1c26b6937a
Formbook
804b5ea31eb2d266580093c2a144a1f62ef1ba88e39d2de9d79bbad405408197
Formbook
83e90e75eb49fccf0f69331483311ce57f89b33824fbec54e773af910da239a8
Formbook
b6fe7602e8f288c48cf04e60306dc9349c5b9ebeb8faf35905abede7d0525480
Formbook
bbce488ca134416b61010d40ba42d0c867493d6785bffa25c5e7568e3eeacb7c
Formbook
cd5a3db769491e5e9b19fe8f2703456f82dbd128babacf54ac1c494587665f72
Formbook
+ 2'685 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230420-mbebvahb86/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
1cbb5f713a3b2face2e12ea210f9c534a2039a206924621d364d32d57f2568cc
MD5 hash:
75da200b8e9b877421b03ecf3e85bc9e
SHA1 hash:
af64606834e62c5c78faf747f4f497ec25b1b42f
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/cb6b6c11-d0db-4b29-bd5a-5b56da2bae0d/
Parent samples :
db97e5da364058f275f955609d038c46886beabb40e7f40fb30ae3295e352082
4ddb6586016ebaaa1601830f308bba390a40db9bb74babffb407824f64a43ea6
8bd09774a35e497c0f9ce94360ab35ec90479c03b9b792acf5eaf10ec601aa9c
SH256 hash:
d33c3ce8375666c2d7c4e1499b65cbfdcd7fa210cefeac77edd992118c9ca47d
MD5 hash:
c4cc5632c1dae0e7dd9d6ee15a216b72
SHA1 hash:
9262cfce92668d105f8020175d00ab151a00bc6d
Link:
https://www.unpac.me/results/cb6b6c11-d0db-4b29-bd5a-5b56da2bae0d/
SH256 hash:
9e5c423aeceec4dafbbd803c93d45df43081347100e7cf4cd2c4571fc9279891
MD5 hash:
861517342026d9417675a7f24f4f98f0
SHA1 hash:
89d0c3daa44d4f9870a3145b073eecd6aa5ef2dd
Link:
https://www.unpac.me/results/cb6b6c11-d0db-4b29-bd5a-5b56da2bae0d/
SH256 hash:
db97e5da364058f275f955609d038c46886beabb40e7f40fb30ae3295e352082
MD5 hash:
b257b769d6e090f887f13156cd235e27
SHA1 hash:
e1738b41cbb7e4cdee008f9f88438a4662a52161
Link:
https://www.unpac.me/results/cb6b6c11-d0db-4b29-bd5a-5b56da2bae0d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/db97e5da364058f275f955609d038c46886beabb40e7f40fb30ae3295e352082

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
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe db97e5da364058f275f955609d038c46886beabb40e7f40fb30ae3295e352082

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383721/

Comments