MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4b56b6a0da17491e3e17ece9e764c96719cd00dcbfce8b3ae48621f8fafc63f. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4b56b6a0da17491e3e17ece9e764c96719cd00dcbfce8b3ae48621f8fafc63f
SHA3-384 hash: 08eba411e2683ff0ed9fd54da2269b18212f44d468bf2f4ecd0dc5a09a5dc72f55e0c5dfe710a6dda2e445fd35ecae4a
SHA1 hash: 740e9d7d1ee7306fea9e4f4c2f3b0e99580c44c2
MD5 hash: b39e9c8e7d8299144bef942e3e1e1f81
humanhash: cold-magnesium-helium-fanta
File name:SecuriteInfo.com.Win32.RATX-gen.21928.2201
Download: download sample
Signature Formbook
Create hunting rule
File size:856'072 bytes
First seen:2024-09-06 10:25:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:+DtIdTPsNFKxJNqq+123Mw7RIVGaQdIzQX3:+JxKxJN2123MsyGaQecX3
TLSH T1D805015CEDFAAD12DAF9873AC0221A600377D8994142EB2F6FF574E80F567C8C5C6216
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
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
384
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.21928.2201
Verdict:
No threats detected
Analysis date:
2024-09-06 10:26:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a833b148-4abb-40ec-a245-17ee94f0b1fd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.21928.2201.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66dad8bff3d7ccf99f902494
Tags:
Banker Encryption Execution Generic Static Dexter
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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed vbnet
Link:
https://www.filescan.io/uploads/66dad8c1eeeaa657e74a7b48/reports/ee8905c0-5ad0-4f75-95b4-e30d6c4aff19/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/d4b56b6a0da17491e3e17ece9e764c96719cd00dcbfce8b3ae48621f8fafc63f
Result
Verdict:
SUSPICIOUS
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/ae47f531-8571-4658-948e-900eb8f87dff
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1505533
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
Antivirus / Scanner detection for submitted sample
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: 1505533 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 06/09/2024 Architecture: WINDOWS Score: 100 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 7 other signatures 2->30 7 SecuriteInfo.com.Win32.RATX-gen.21928.2201.exe 4 2->7         started        process3 file4 22 SecuriteInfo.com.W....21928.2201.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 SecuriteInfo.com.Win32.RATX-gen.21928.2201.exe 7->14         started        signatures5 process6 signatures7 36 Loading BitLocker PowerShell Module 11->36 16 WmiPrvSE.exe 11->16         started        18 conhost.exe 11->18         started        20 WerFault.exe 21 16 14->20         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d4b56b6a0da17491e3e17ece9e764c96719cd00dcbfce8b3ae48621f8fafc63f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4b56b6a0da17491e3e17ece9e764c96719cd00dcbfce8b3ae48621f8fafc63f/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-09-06 03:43:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2s2ww2qnuf2jdy7bp3hj45smszyzzuanzp6orm5ojbrb7d5pyy7q._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/240906-mgh7zs1cpj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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/a8ae01c2-ae1e-4dd1-85a2-c40fe4d75d03
Unpacked files
SH256 hash:
434dffffafa031df6a9c886a99283bbc1b0d791678908f0ae2a6a24d016630d5
MD5 hash:
9c58d78b44ebe4c89ab725e9c3b4edb5
SHA1 hash:
a6a0f3745ec7f3732a1664b094b15a07d3741f57
Link:
https://www.unpac.me/results/ee4474a1-62bc-4f62-b799-39426f257d36/
SH256 hash:
dfccfdf332bb4347c78728e0919dcd1e2b9c64ba3cc6a6a9b6acbbe7e6045acf
MD5 hash:
27485d530acfd5f5678bb58c820bab1f
SHA1 hash:
0d071704b402d8284881a362ec06b02c48076622
Link:
https://www.unpac.me/results/ee4474a1-62bc-4f62-b799-39426f257d36/
SH256 hash:
d1f89ee73d20653907eaeb895d97d7f228d08e82bd424014fe95f29bd781f3d0
MD5 hash:
00b4abd02c26c0021d6db4a814f12acb
SHA1 hash:
a48e4476fb09493694aaa962db6e6187dea46a77
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/ee4474a1-62bc-4f62-b799-39426f257d36/
SH256 hash:
150c6e7de31574a3dc8c09d743987ec2c43c9bd0e6aecbf91042722359e3adc0
MD5 hash:
48815524d9fe314ab98f8df0b182908f
SHA1 hash:
a0e4dded97841cded11dce2a1b84670be882f22c
Link:
https://www.unpac.me/results/ee4474a1-62bc-4f62-b799-39426f257d36/
SH256 hash:
d4b56b6a0da17491e3e17ece9e764c96719cd00dcbfce8b3ae48621f8fafc63f
MD5 hash:
b39e9c8e7d8299144bef942e3e1e1f81
SHA1 hash:
740e9d7d1ee7306fea9e4f4c2f3b0e99580c44c2
Link:
https://www.unpac.me/results/ee4474a1-62bc-4f62-b799-39426f257d36/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d4b56b6a0da1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/d4b56b6a0da17491e3e17ece9e764c96719cd00dcbfce8b3ae48621f8fafc63f

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Web download

Formbook

Executable exe d4b56b6a0da17491e3e17ece9e764c96719cd00dcbfce8b3ae48621f8fafc63f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3159305/
  
Delivery method
Distributed via web download

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

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