MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 514b1a8e0185810e3da1172ea43c787bdef254b38d926842a4fe7a5061eeeeb9. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 514b1a8e0185810e3da1172ea43c787bdef254b38d926842a4fe7a5061eeeeb9
SHA3-384 hash: 4ef454bd3c70e1d96b8a2f3ad719f4df3f8a676433aafafb6b48ccd3528eb3ae97a27659947dd58bafb1072c8b2cdee2
SHA1 hash: c3802b0b51ef7d673d8162879ec69818ef9fa37a
MD5 hash: 650ce19badf8612737415c1ead974951
humanhash: maryland-emma-zebra-oscar
File name:PRE ALERT NOTICE.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:683'520 bytes
First seen:2022-08-10 11:39:40 UTC
Last seen:2022-08-16 13:01:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:GKYVaCR8WgCaq6nHgK1eY9VCt6coSsILP70BGyLWDgcNjbSqnlT8gJT/+0K:EAC7eq2xVCtTSjLWdbbts0K
Threatray 15'112 similar samples on MalwareBazaar
TLSH T1E4E4F11ACDED0CF9D661B772A21385B0CDB36634D1D19E22B85A28373E21A7DE943F41
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PRE ALERT NOTICE.exe
Verdict:
Malicious activity
Analysis date:
2022-08-10 11:42:45 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/5ca8bc8f-3a07-4d7d-83ca-c81d9eec7f2a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/297605/
Detection(s):
Sanesecurity.Rogue.0hr.20220810-1236.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f39950c8022caa1ab7f1dd/reports/d81c9a03-b28f-4bad-b14d-801b33dab2f3/overview
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/66f04c98-9b3f-4373-82d2-ffe402a88ddf
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1049153
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 signatures2 2 Behavior Graph ID: 681644 Sample: PRE ALERT NOTICE.exe Startdate: 10/08/2022 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 11 other signatures 2->52 10 PRE ALERT NOTICE.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\Roaming\adkYls.exe, PE32 10->38 dropped 40 C:\Users\user\...\adkYls.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmpCABB.tmp, XML 10->42 dropped 44 C:\Users\user\...\PRE ALERT NOTICE.exe.log, ASCII 10->44 dropped 54 Adds a directory exclusion to Windows Defender 10->54 56 Injects a PE file into a foreign processes 10->56 14 PRE ALERT NOTICE.exe 10->14         started        17 powershell.exe 24 10->17         started        19 powershell.exe 25 10->19         started        21 schtasks.exe 1 10->21         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 23 explorer.exe 14->23 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        process8 process9 31 wlanext.exe 23->31         started        signatures10 66 Modifies the context of a thread in another process (thread injection) 31->66 68 Maps a DLL or memory area into another process 31->68 70 Tries to detect virtualization through RDTSC time measurements 31->70 34 cmd.exe 31->34         started        process11 process12 36 conhost.exe 34->36         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/514b1a8e0185810e3da1172ea43c787bdef254b38d926842a4fe7a5061eeeeb9/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-08-10 11:40:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kffrvdqbqwaq4pnbc4xkipdyppppevftrwjgqqve7z5faypo524q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3c41d82274dd2675cfc02ef456494e547c6464ad134500807cf53eca0f08501a
Formbook
3e3630f8dc6b3322eaaf86b2c5c3648a99190bfcca0f639a86aca2365485b731
Formbook
3e71d457ca114497a6b54846e2f6d571db0619199c046d4fed20bbc93d50e7bd
Formbook
4bd0c1c5a6eb5e3bb2e84db799270248f5467dfb3e6e3b1d8db14887eeecae5e
Formbook
5d009b6f9b010d78fac5b6f2672211082ee6244fb73ce25e0a89aacb9f17e398
Formbook
637f702a6f06a32c6b1794df68ccf1e7f29a2aa38b468b296816ba9010606a1a
Formbook
8636859de5eb225cb108b7d095f229e68293c827e565eda640d97ddcab6b6135
Formbook
917e03484856f0980f2150822a231e0f73e3cef3f074ea1644dcbd1082590399
Formbook
fac0d50307e72ddb6bddb0865c4053d9a9bb691641a12989594f71f0e6137d1f
Formbook
+ 15'102 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o85a rat spyware stealer trojan
Link:
https://tria.ge/reports/220810-nsv7csbeh8/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
3b24bbfee3565a866f8ca1c97c522f89f639db78d100a1b4624ae4c7f0e20f85
MD5 hash:
e899386905a6a4bbf58dba3be151fd35
SHA1 hash:
a047e3e077d60f29b0a97029afa5025c4aa05e5d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/0aeb0dac-140a-4dd8-90fd-90e6b037d436/
Parent samples :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 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/0aeb0dac-140a-4dd8-90fd-90e6b037d436/
SH256 hash:
90b9f28bc29161acbf74b3a50120b4d90dcd37f0fea4247de82428c717f30eb3
MD5 hash:
ed288f95eac352e7300337b92944b5f3
SHA1 hash:
7662bf97244781b538708d935d8275c4bb2fd152
Link:
https://www.unpac.me/results/0aeb0dac-140a-4dd8-90fd-90e6b037d436/
SH256 hash:
c9e2effa8a2ca94d409bc50f782d6da0c082886e3bf769e30bc20736938a5d22
MD5 hash:
4ac7fab9dc37071107a0fb09fd55456d
SHA1 hash:
6bc3525a9a1105fb38b61590b4acf24e76b1dbdf
Link:
https://www.unpac.me/results/0aeb0dac-140a-4dd8-90fd-90e6b037d436/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/0aeb0dac-140a-4dd8-90fd-90e6b037d436/
SH256 hash:
514b1a8e0185810e3da1172ea43c787bdef254b38d926842a4fe7a5061eeeeb9
MD5 hash:
650ce19badf8612737415c1ead974951
SHA1 hash:
c3802b0b51ef7d673d8162879ec69818ef9fa37a
Link:
https://www.unpac.me/results/0aeb0dac-140a-4dd8-90fd-90e6b037d436/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/514b1a8e0185/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/514b1a8e0185810e3da1172ea43c787bdef254b38d926842a4fe7a5061eeeeb9

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: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.

Malspam

Formbook

zip bb3bc2f8cfe91f9f0469e56b8d12de65abe025525c4604c8b1cffb71100e1518

Formbook

Executable exe 514b1a8e0185810e3da1172ea43c787bdef254b38d926842a4fe7a5061eeeeb9

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/297605/
  
Dropped by
SHA256 bb3bc2f8cfe91f9f0469e56b8d12de65abe025525c4604c8b1cffb71100e1518
  
Dropped by
MD5 dedc77615de15800c30080414b236133
  
Dropped by
SHA256 93fc3246bc791e626ab5cae7ea6d53270d02f8ac573c493a84868e5de33e708e
  
Dropped by
MD5 819eac3708c5d809704e3d79ac2398e9

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