MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fca9f9323e43242411c9cd339b86c9aa465c6d59adc66bb6492eb237d5435446. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fca9f9323e43242411c9cd339b86c9aa465c6d59adc66bb6492eb237d5435446
SHA3-384 hash: e40deee127d84b5e77a1ce4d294746ee16afc4dc86f4c4945d63ca782547028bb42f88ac1cf253639699448526063e00
SHA1 hash: f088d55ff1cc4af22185efc2109cca260beca66c
MD5 hash: 642cb03ac35f9346035b5926fd1f11bf
humanhash: twenty-hamper-neptune-iowa
File name:Purchase Order.bat
Download: download sample
Signature Formbook
Create hunting rule
File size:806'400 bytes
First seen:2024-08-28 14:56:30 UTC
Last seen:2024-08-28 15:31:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:tiX0ITtSlNgpQnutI48WHZrKYKPxfcLC8Hgg5YhPNaNvLGWasyBPtA2C8/V4j9cg:vQS4IyNuxELSgoPMFLwhdMGeqG
TLSH T1E3052385E3BABF26C7FE47F9805254000731ACD5E646F3A35DC9A0E66D227A459C8F83
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 00e8f0d4ccc0cc00 (4 x Formbook, 2 x SnakeKeylogger, 1 x Loki)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
375
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.bat
Verdict:
No threats detected
Analysis date:
2024-08-28 15:00:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3f8cbb79-a2bd-4a09-9ebc-e364739a1585

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.30707.11064.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66cf3ac2fe69a9e56049bcf5
Tags:
Execution Exploit Generic Infostealer Network Stealth Nekark
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed
Link:
https://www.filescan.io/uploads/66cf3ac11c7fd2cfb705ecb7/reports/f7ad2b1f-dc50-45cc-8cd9-ce10c46646e6/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/fca9f9323e43242411c9cd339b86c9aa465c6d59adc66bb6492eb237d5435446
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5d1a6aa4-4294-4286-8c9c-2c50c00f6ad4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1500568
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1500568 Sample: Purchase Order.bat.exe Startdate: 28/08/2024 Architecture: WINDOWS Score: 100 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected FormBook 2->28 30 8 other signatures 2->30 7 Purchase Order.bat.exe 4 2->7         started        process3 file4 22 C:\Users\user\...\Purchase Order.bat.exe.log, ASCII 7->22 dropped 32 Adds a directory exclusion to Windows Defender 7->32 34 Injects a PE file into a foreign processes 7->34 11 powershell.exe 23 7->11         started        14 Purchase Order.bat.exe 7->14         started        16 Purchase Order.bat.exe 7->16         started        18 Purchase Order.bat.exe 7->18         started        signatures5 process6 signatures7 36 Loading BitLocker PowerShell Module 11->36 20 conhost.exe 11->20         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fca9f9323e43242411c9cd339b86c9aa465c6d59adc66bb6492eb237d5435446
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fca9f9323e43242411c9cd339b86c9aa465c6d59adc66bb6492eb237d5435446/
Threat name:
Win32.Infostealer.Limitail
Create hunting rule
Status:
Malicious
First seen:
2024-08-28 00:03:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7su7smr6imscieojzuzzxbwjvjdfy3kzvxdgxnsjf2zdpvkdkrda._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/240828-sbkrhssfnd/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/78eac45a-8bd9-4cdd-bb7e-2ecb965cb1cc
Unpacked files
SH256 hash:
c9072c177179944078bf795c7aee14939a57f7ba6788bf8af405b5ebfbc4de63
MD5 hash:
6d62b2fea5fa1a3f91859a206dce35dc
SHA1 hash:
7e90ed7725462bed23963393936005fac7229483
Link:
https://www.unpac.me/results/e7d77814-6b53-4e3b-94bf-1bb9d54c27d6/
SH256 hash:
627e8372b1b86c0678ad08eb8bec11837ce77d444ee9f7456c6335c921f9ae74
MD5 hash:
239e2b1280bce257aa4225e24dc004fd
SHA1 hash:
4184ba3842e5911796120ca38f20fc21b808ef9b
Link:
https://www.unpac.me/results/e7d77814-6b53-4e3b-94bf-1bb9d54c27d6/
SH256 hash:
1f01fd6c5c0f6ccc8d7fed93e15051a24c570a6b40411a5699e4ad0066bd0cd4
MD5 hash:
cc09038fbf89d8255462fc3df7495637
SHA1 hash:
c5378193cae455b27af17fefdfd5854d0970d110
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/e7d77814-6b53-4e3b-94bf-1bb9d54c27d6/
SH256 hash:
66c34fb52ab239fdcbd5d61f0b540e45399b986a5379398e0d72014778635226
MD5 hash:
6faa7caee083f4dba03910c95ad29237
SHA1 hash:
8c21b7b035471ed301ef6138c657e865f596f3d3
Link:
https://www.unpac.me/results/e7d77814-6b53-4e3b-94bf-1bb9d54c27d6/
SH256 hash:
fca9f9323e43242411c9cd339b86c9aa465c6d59adc66bb6492eb237d5435446
MD5 hash:
642cb03ac35f9346035b5926fd1f11bf
SHA1 hash:
f088d55ff1cc4af22185efc2109cca260beca66c
Link:
https://www.unpac.me/results/e7d77814-6b53-4e3b-94bf-1bb9d54c27d6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fca9f9323e43/report/overview.html
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/fca9f9323e43242411c9cd339b86c9aa465c6d59adc66bb6492eb237d5435446

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments