MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb1aec54bef16432b3a9e9a35cda7dfabf6e20218384adcc05d685f5fb064a4f. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb1aec54bef16432b3a9e9a35cda7dfabf6e20218384adcc05d685f5fb064a4f
SHA3-384 hash: 8af00245132f2e774a04d2387ae0a27960536f78854fb39c35b91eddff4ea55a69e64c129ecde0f57828b1360ec5e698
SHA1 hash: 9796b9bc392d3a16548e5e44948cdb7dca74f2b6
MD5 hash: 120b40f5660509f801c91710f54c0310
humanhash: ack-fruit-queen-hawaii
File name:Payment Advice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:701'440 bytes
First seen:2025-02-04 10:08:07 UTC
Last seen:2025-02-04 14:03:04 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:F/dnNl61az3aYgC4t/zuuZN9xLyAi16MuEFqeJ3QAyySJU7hV4R0/NpZiW:ldnNscaYp4tCuZN9VtzEF7gAyyK30/N
Threatray 42 similar samples on MalwareBazaar
TLSH T1CAE4122DBAD6AE25C94F0BFB81136404427F95309952FAA75DF51AF02F22BD9D00A733
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon e0e698a08088a888 (20 x Formbook, 6 x AgentTesla, 3 x SnakeKeylogger)
Reporter cocaman
Tags:exe FormBook payment

Intelligence

File Origin
# of uploads :
2
# of downloads :
459
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice.r15
Verdict:
Malicious activity
Analysis date:
2025-02-04 10:11:43 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/7fd55b2f-1211-4713-abc4-36ad3abc544b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Genie.8DN.251.27968.9402.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a1e87b51193558eb195702
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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 obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67a1e713b72e1314bcda3aa7/reports/062044c2-51fa-4461-ac01-3f62da1a326b/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/bb1aec54bef16432b3a9e9a35cda7dfabf6e20218384adcc05d685f5fb064a4f
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/0f606b15-717b-4b70-96a0-afac6e7b9444
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1606381
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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 netsh to modify the Windows network and firewall settings
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: 1606381 Sample: Payment Advice.exe Startdate: 04/02/2025 Architecture: WINDOWS Score: 100 60 www.erity.xyz 2->60 62 www.ustonehuman.info 2->62 64 10 other IPs or domains 2->64 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for URL or domain 2->82 86 16 other signatures 2->86 11 Payment Advice.exe 7 2->11         started        15 OhnISexy.exe 5 2->15         started        signatures3 84 Performs DNS queries to domains with low reputation 60->84 process4 file5 52 C:\Users\user\AppData\Roaming\OhnISexy.exe, PE32 11->52 dropped 54 C:\Users\...\OhnISexy.exe:Zone.Identifier, ASCII 11->54 dropped 56 C:\Users\user\AppData\Local\...\tmp5297.tmp, XML 11->56 dropped 58 C:\Users\user\...\Payment Advice.exe.log, ASCII 11->58 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.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        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 26 OhnISexy.exe 15->26         started        28 schtasks.exe 15->28         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 17->66 68 Maps a DLL or memory area into another process 17->68 70 Sample uses process hollowing technique 17->70 72 Queues an APC in another process (thread injection) 17->72 30 explorer.exe 57 1 17->30 injected 74 Loading BitLocker PowerShell Module 20->74 33 conhost.exe 20->33         started        35 WmiPrvSE.exe 20->35         started        37 conhost.exe 22->37         started        39 conhost.exe 24->39         started        76 Found direct / indirect Syscall (likely to bypass EDR) 26->76 41 conhost.exe 28->41         started        process9 signatures10 108 Uses netsh to modify the Windows network and firewall settings 30->108 43 netsh.exe 30->43         started        46 cmmon32.exe 30->46         started        process11 signatures12 88 Modifies the context of a thread in another process (thread injection) 43->88 90 Maps a DLL or memory area into another process 43->90 92 Tries to detect virtualization through RDTSC time measurements 43->92 94 Switches to a custom stack to bypass stack traces 43->94 48 cmd.exe 43->48         started        process13 process14 50 conhost.exe 48->50         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bb1aec54bef16432b3a9e9a35cda7dfabf6e20218384adcc05d685f5fb064a4f
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bb1aec54bef16432b3a9e9a35cda7dfabf6e20218384adcc05d685f5fb064a4f/
Threat name:
Win32.Infostealer.Limitail
Create hunting rule
Status:
Malicious
First seen:
2025-02-04 04:30:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xmnoyvf66fsdfm5j5grvzwt57k7w4ibbqock3taf22c7l6ygjjhq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7
Formbook
36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac
Formbook
683e3979cc09db086095cbe840901b82951df941ed461f89a67b98bd0ffe5ff9
Formbook
94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120
Formbook
acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65
Formbook
d24759c2da85654f95e71923c3b6a4ed23aee296e4fd70f436ee3bfa190647c4
Formbook
error
Formbook
fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5
Formbook
+ 32 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a01d discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250204-l6bnrstjd1/
Behaviour
Gathers network information
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
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
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8999ad5a-68c4-4bb0-bae1-013877ab09ca
Unpacked files
SH256 hash:
bb1aec54bef16432b3a9e9a35cda7dfabf6e20218384adcc05d685f5fb064a4f
MD5 hash:
120b40f5660509f801c91710f54c0310
SHA1 hash:
9796b9bc392d3a16548e5e44948cdb7dca74f2b6
Link:
https://www.unpac.me/results/f6ccfaf0-0d20-40e9-9a37-c16f47d7901d/
SH256 hash:
1dad10d6024f37daaa21f5935348455ecd35b603ce34cf02b1586a7003ac90f5
MD5 hash:
cc2db4671beb89d5883cf93e75cc44f4
SHA1 hash:
052d4d676984fcd457c8967b0783dcf59a5da971
Link:
https://www.unpac.me/results/f6ccfaf0-0d20-40e9-9a37-c16f47d7901d/
SH256 hash:
a4dbd244ff0d455546743c1742e64aa962e5f7c05abc1b5a4fac0cb133e88651
MD5 hash:
d174e1f2a053cae34832217107bee974
SHA1 hash:
e90796795ab987c393106aa02c14ec3befd43437
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/f6ccfaf0-0d20-40e9-9a37-c16f47d7901d/
SH256 hash:
13e4cd19503453cd78e71f728c9389b2c99e091b215e8ddbec0d81b2f6876f72
MD5 hash:
6a24b2b9224492367a531a14e4c882de
SHA1 hash:
0a55e7a38280f56ad0acdc769e7b795ab22b268a
Detections:
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/f6ccfaf0-0d20-40e9-9a37-c16f47d7901d/
Parent samples :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 family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bb1aec54bef1/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/bb1aec54bef16432b3a9e9a35cda7dfabf6e20218384adcc05d685f5fb064a4f

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
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

rar 83189677dfc9c1d255cf664d54f3c207c27003839af336b733444f9cf0378623

Formbook

Executable exe bb1aec54bef16432b3a9e9a35cda7dfabf6e20218384adcc05d685f5fb064a4f

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 83189677dfc9c1d255cf664d54f3c207c27003839af336b733444f9cf0378623
  
Dropped by
MD5 71ffcdf7ebdaf5b2e94977a541fce29a

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