MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f
SHA3-384 hash: 9e18065aad46b1cff755b2465d715ddb6cd00a847d639df2ff5920a396c08456daf17e2a0547f01af3f3e038ac819137
SHA1 hash: fb0e93fd743510cee1045712d1dc8dd887a3b9ca
MD5 hash: 86926b8ab8f00f27eb69f2793db47f68
humanhash: johnny-nuts-eleven-ceiling
File name:Payment Advice Note from 01.10.2024.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:693'760 bytes
First seen:2024-10-04 05:57:18 UTC
Last seen:2024-10-04 13:06:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:RLbMeV3JxmLAaK/d32fOOce2F7e6PMLeLdAh3qMu4UXL6L:R5bxmLAaMr9e6kSyhat4UXm
Threatray 1'943 similar samples on MalwareBazaar
TLSH T190E4025C6A5AD803DA2617344F31F6BA2E3E1FCEB401D3579ED86EAF7876E190D10281
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 0000707070700000 (3 x Formbook, 2 x MassLogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
399
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice Note from 01.10.2024.exe
Verdict:
Suspicious activity
Analysis date:
2024-10-04 06:07:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e5c2cad6-1581-4434-959f-81418eef92f5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ff83eb780a9b632d22c8db
Tags:
Powershell Backdoor Kryptik Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed vbnet
Link:
https://www.filescan.io/uploads/66ff83ee2413b9e05173fade/reports/d3e856d0-5110-416f-8cd2-6c4bb2cccf05/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f
Result
Verdict:
UNKNOWN
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/4022ae54-f65f-4ecd-b345-4f8fed3c642d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1525415
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
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
Injects a PE file into a foreign processes
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
Query firmware table information (likely to detect VMs)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1525415 Sample: Payment Advice Note from 01... Startdate: 04/10/2024 Architecture: WINDOWS Score: 100 62 www.upremehomes.shop 2->62 64 www.upiloffatemotors.online 2->64 66 5 other IPs or domains 2->66 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 Sigma detected: Scheduled temp file as task from temp location 2->84 86 13 other signatures 2->86 11 Payment Advice Note from 01.10.2024.exe 7 2->11         started        15 CXVSFLX.exe 5 2->15         started        signatures3 process4 file5 54 C:\Users\user\AppData\Roaming\CXVSFLX.exe, PE32 11->54 dropped 56 C:\Users\user\...\CXVSFLX.exe:Zone.Identifier, ASCII 11->56 dropped 58 C:\Users\user\AppData\Local\...\tmp2E26.tmp, XML 11->58 dropped 60 Payment Advice Not... 01.10.2024.exe.log, ASCII 11->60 dropped 96 Adds a directory exclusion to Windows Defender 11->96 98 Injects a PE file into a foreign processes 11->98 17 Payment Advice Note from 01.10.2024.exe 11->17         started        20 powershell.exe 23 11->20         started        22 schtasks.exe 1 11->22         started        100 Multi AV Scanner detection for dropped file 15->100 102 Machine Learning detection for dropped file 15->102 104 Tries to detect virtualization through RDTSC time measurements 15->104 106 Switches to a custom stack to bypass stack traces 15->106 24 CXVSFLX.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 17->68 70 Maps a DLL or memory area into another process 17->70 72 Sample uses process hollowing technique 17->72 74 Queues an APC in another process (thread injection) 17->74 28 explorer.exe 36 1 17->28 injected 76 Loading BitLocker PowerShell Module 20->76 30 WmiPrvSE.exe 20->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        78 Found direct / indirect Syscall (likely to bypass EDR) 24->78 36 conhost.exe 26->36         started        process9 process10 38 cmd.exe 28->38         started        41 WWAHost.exe 28->41         started        43 WerFault.exe 28->43         started        45 autofmt.exe 28->45         started        signatures11 88 Modifies the context of a thread in another process (thread injection) 38->88 90 Maps a DLL or memory area into another process 38->90 92 Tries to detect virtualization through RDTSC time measurements 38->92 94 Switches to a custom stack to bypass stack traces 38->94 47 explorer.exe 38->47         started        50 cmd.exe 1 38->50         started        process12 signatures13 108 Query firmware table information (likely to detect VMs) 47->108 52 conhost.exe 50->52         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-10-04 05:58:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lftici4oosozccp5ac54sxzwj5gpywlxz4oseu55r3rgrvw3x4xq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
7dbfe3e815092dfd471861a962bbb464ec76438144f4cb5dd031b02eda2f8ea9
Formbook
8140718075fb3cf55e098f68fa8dfc75022a22fb658611503880b4c0c674d71f
Formbook
a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d
Formbook
cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d
Formbook
d00473faeb52860f46c2f850f4bda73473b569a3ce79974b909c4203b63dcf95
Formbook
error
Formbook
fef0d0e16559f3c10c8a414b00433d165f132b4444ddc2a7033ab7a2e1bb7604
Formbook
+ 1'933 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cu29 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/241004-gn53faxhjj/
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
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Malicious
Tags:
formbook
YARA:
n/a
Link:
https://app.threat.zone/submission/49cb2fb6-6d68-4b45-a794-f614c0bc0cf8
Unpacked files
SH256 hash:
9c64915d0a649bb2641dc89b7c1573bd9d49b8acf602769fe87b88e4268fcc36
MD5 hash:
2461709698d52f14ceda2c3086579224
SHA1 hash:
16f282e37f25dd43a699052d9bd23bf33bd55a43
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/e5b6dc1d-04a2-4c1f-8294-d382badc1717/
Parent samples :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 hash:
be472855fd04ce83774a423ed4178755d76b877a748607d7176d4ebfb574d6a2
MD5 hash:
85e13d9a86885ae7ae2dc605a820d084
SHA1 hash:
d4bc8ccc7d58d82ea8f37ee2533da65105649fb3
Link:
https://www.unpac.me/results/e5b6dc1d-04a2-4c1f-8294-d382badc1717/
SH256 hash:
b9fa4df1e29834e80e1cf02d8acb44e63d9ce2489126871b319cd91d5d9a5c14
MD5 hash:
9bc1d6f97a659945c9f9708305e04439
SHA1 hash:
2e54cdbabd38e50031ce70ecb5c166e568cba8fb
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/e5b6dc1d-04a2-4c1f-8294-d382badc1717/
SH256 hash:
596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f
MD5 hash:
86926b8ab8f00f27eb69f2793db47f68
SHA1 hash:
fb0e93fd743510cee1045712d1dc8dd887a3b9ca
Link:
https://www.unpac.me/results/e5b6dc1d-04a2-4c1f-8294-d382badc1717/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/596681238e74/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/596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f

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: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

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