MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 24e7335ab9d5e3232a8434d8e48a72e3b4a537f5496f3bfec0ef88a2359157c6. 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: 19


Intelligence 19 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 24e7335ab9d5e3232a8434d8e48a72e3b4a537f5496f3bfec0ef88a2359157c6
SHA3-384 hash: e9cb95c7bd116125e9b1f57758fb299a016f0c02eaab0d1de4e2d6d7f913df40571be3c06c2df5982727c9e9e2eb7d2b
SHA1 hash: 3ec277e0702a4cf845b5bb15c2ce92b4ab59aaa0
MD5 hash: 55ad2a8367d10848d86b78940c7affbe
humanhash: apart-rugby-december-december
File name:invoice900016850466.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:664'064 bytes
First seen:2025-01-14 10:09:27 UTC
Last seen:2025-01-14 12:25:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:KYRxA4Y5lyA/BxSPCMRfSqTfSV7HQRgHdqmExZKy+oaoJikIBgc/wX:FRbNDTfAHKmEx5Ef/w
TLSH T165E4F1592A19D903C4A21BB40932D3F85374AD8DAA10C307DFEA7EFFBD3AB455941362
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
241
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
invoice900016850466.exe
Verdict:
Malicious activity
Analysis date:
2025-01-14 10:26:12 UTC
Tags:
formbook netreactor xloader
Link:
https://app.any.run/tasks/7e689ee7-42d8-4274-98b9-cba2b16d1dce

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678637fc4487910100decfe4
Tags:
micro shell spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67863805f1b96fac3180e20e/reports/3d3d9006-7c3c-435a-8db5-e06db6b4c013/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/24e7335ab9d5e3232a8434d8e48a72e3b4a537f5496f3bfec0ef88a2359157c6
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/ed5a8839-6132-4069-bcdc-7b722a2d279d
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1590610
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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 uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1590610 Sample: invoice900016850466.exe Startdate: 14/01/2025 Architecture: WINDOWS Score: 100 61 www.yblinds.xyz 2->61 63 www.healchemists.xyz 2->63 65 9 other IPs or domains 2->65 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 Antivirus detection for URL or domain 2->83 87 11 other signatures 2->87 11 invoice900016850466.exe 7 2->11         started        15 cKAKreL.exe 5 2->15         started        signatures3 85 Performs DNS queries to domains with low reputation 63->85 process4 file5 53 C:\Users\user\AppData\Roaming\cKAKreL.exe, PE32 11->53 dropped 55 C:\Users\user\...\cKAKreL.exe:Zone.Identifier, ASCII 11->55 dropped 57 C:\Users\user\AppData\Local\...\tmpF7C4.tmp, XML 11->57 dropped 59 C:\Users\user\...\invoice900016850466.exe.log, ASCII 11->59 dropped 97 Uses schtasks.exe or at.exe to add and modify task schedules 11->97 99 Adds a directory exclusion to Windows Defender 11->99 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        101 Multi AV Scanner detection for dropped file 15->101 103 Machine Learning detection for dropped file 15->103 26 RegSvcs.exe 15->26         started        28 schtasks.exe 15->28         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 17->67 69 Maps a DLL or memory area into another process 17->69 71 Sample uses process hollowing technique 17->71 77 2 other signatures 17->77 30 explorer.exe 53 1 17->30 injected 73 Loading BitLocker PowerShell Module 20->73 32 conhost.exe 20->32         started        34 WmiPrvSE.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        75 Found direct / indirect Syscall (likely to bypass EDR) 26->75 40 conhost.exe 28->40         started        process9 process10 42 wscript.exe 30->42         started        45 raserver.exe 30->45         started        47 autochk.exe 30->47         started        signatures11 89 Modifies the context of a thread in another process (thread injection) 42->89 91 Maps a DLL or memory area into another process 42->91 93 Tries to detect virtualization through RDTSC time measurements 42->93 95 Switches to a custom stack to bypass stack traces 42->95 49 cmd.exe 42->49         started        process12 process13 51 conhost.exe 49->51         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/24e7335ab9d5e3232a8434d8e48a72e3b4a537f5496f3bfec0ef88a2359157c6
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/24e7335ab9d5e3232a8434d8e48a72e3b4a537f5496f3bfec0ef88a2359157c6/
Threat name:
ByteCode-MSIL.Trojan.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2025-01-14 08:43:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=etttgwvz2xrsgkuegtmojcts4o2kkn7vjfxtx7wa56ekenmrk7da._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a02d discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250114-l7cmfsvpgs/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bc1ad282-4d61-4b36-8c78-f484ada333ae
Unpacked files
SH256 hash:
660794bbc60c8f1fddb6761d17f6689dae887448f0adae4018150ab3798c21af
MD5 hash:
074ec1317c95d36844ee57e0f9371bc0
SHA1 hash:
bfcc2a6300d103477ecc73a7f711d4aa6ffebc28
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/d59766f0-1505-4beb-9b3b-27c3574a5777/
Parent samples :
e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233
e64639cc4061ca733acf32ca7518b8d30de90f26df61800683dc5817b5237ee2
397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793
4666a51c6fef5c674a2f9596f5dfc485d0ed15646c1009ae3b586ddc78ed0910
58dfe85f084bedbc1861ed4afada8f0e284a70e10c84065cc6df13adc9fb45db
24e7335ab9d5e3232a8434d8e48a72e3b4a537f5496f3bfec0ef88a2359157c6
51f6f6e72cfb335f6e1d7936e91362c7993253ed665b772099327f90e5119682
73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430
339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97
e69d37275cc3b52a9d3a26f76073191ab8f59901781b5ef2859f33dee2252ddc
efd65e32b20afe5bd0541a097bb5f4e7f741875b2c65cab7f08c04a645ccdf6f
422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf
28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7
60ccea072df0c91b1b0f2cc18a88eff5e373c68f4d13c7d93e66fb17d211ec9e
SH256 hash:
ec75ef524477cc66670d73b60e86bd1f3ecd7f9f2ae47593096cb502d6394f4d
MD5 hash:
da28b2727b1281b8d1336a29c12c2b19
SHA1 hash:
ebd78732f1fa78c4c17e3d9714c8ad89edbd6a55
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/d59766f0-1505-4beb-9b3b-27c3574a5777/
SH256 hash:
3aa7ca05584211acc2467c39553e7a045c6b5ba59ff266127801be4cddbd0cbb
MD5 hash:
35e1b4bc5de79edb713c8692cb4efd38
SHA1 hash:
06e23eedcbfa52850fd10fb7764431a452b90a7e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/d59766f0-1505-4beb-9b3b-27c3574a5777/
Parent samples :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 hash:
24e7335ab9d5e3232a8434d8e48a72e3b4a537f5496f3bfec0ef88a2359157c6
MD5 hash:
55ad2a8367d10848d86b78940c7affbe
SHA1 hash:
3ec277e0702a4cf845b5bb15c2ce92b4ab59aaa0
Link:
https://www.unpac.me/results/d59766f0-1505-4beb-9b3b-27c3574a5777/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/24e7335ab9d5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/24e7335ab9d5e3232a8434d8e48a72e3b4a537f5496f3bfec0ef88a2359157c6

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

Executable exe 24e7335ab9d5e3232a8434d8e48a72e3b4a537f5496f3bfec0ef88a2359157c6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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