MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5934b53c06d3c943f4cef7e383eabbea1587591a41a92280c0bf55e169927f13. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5934b53c06d3c943f4cef7e383eabbea1587591a41a92280c0bf55e169927f13
SHA3-384 hash: bc92c2890ed00a1b508d68e638f0e2eb12cbe0bfcb585cc4fe15d7fb15262f4534c0cb93e8e6430c58ddba8ac8e54315
SHA1 hash: d808e479dbc2251bf088976a6b96f4f410d775bc
MD5 hash: 0a221f64ff48657c3027f2652e571591
humanhash: robin-black-nine-helium
File name:Factura de proforma.Pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:670'208 bytes
First seen:2021-11-12 06:23:24 UTC
Last seen:2021-11-15 07:00:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:2MKka2ROcRkLt1kecZy92D8gl30nua6Lt1e7oKXnz61QIb:2MXdStnctD8g9wjOtoz
Threatray 9'838 similar samples on MalwareBazaar
TLSH T1BFE4F149BA80C025D8254F7A881288E05723FDBAEF01F75BB8C5B76E1B733DA4916753
File icon (PE):PE icon
dhash icon 90ba7181e46588f0 (31 x AgentTesla, 11 x Formbook, 9 x Loki)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/205168/
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
Link:
https://www.filescan.io/uploads/618e08863edf00a722cfe090/reports/f941a85b-e045-41cf-a388-e42f72735bfe/overview
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/0dc63847-7614-4f4c-a3bb-de7c77373de3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/887920
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
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: 520389 Sample: Factura de proforma.Pdf.exe Startdate: 12/11/2021 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 15 other signatures 2->48 10 Factura de proforma.Pdf.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\Roaming\OkuOBLsUF.exe, PE32 10->34 dropped 36 C:\Users\...\OkuOBLsUF.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp9AC4.tmp, XML 10->38 dropped 40 C:\Users\...\Factura de proforma.Pdf.exe.log, ASCII 10->40 dropped 50 Adds a directory exclusion to Windows Defender 10->50 14 RegSvcs.exe 10->14         started        17 powershell.exe 23 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 2 other signatures 14->60 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 cmmon32.exe 21->27         started        signatures10 52 Tries to detect virtualization through RDTSC time measurements 27->52 30 cmd.exe 1 27->30         started        process11 process12 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5934b53c06d3c943f4cef7e383eabbea1587591a41a92280c0bf55e169927f13/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-11-12 05:19:00 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=le2lkpag2peuh5go67ryh2v35ikyowi2igusfagax5k6c2msp4jq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1e83eab755128ae8f4bcdade071b08cc6fae1ad62ff9fe29aae62b3e30ea28bb
Formbook
45e8fd9c2d454cbd2012f8cb1a3799fd70a470e5e82485c0df4f8b330e0c8ac5
Formbook
85c25c523bf8a24c2d4eda60e343729175635dfd590cb3e42732ecc27e55b0d3
Formbook
9d37fb95eefc5396c3aee5e5c4525b373821cd151f7fc5b2d3805f0fb0056a4a
Formbook
b4585da149dee9da71100f73ac5088f6dcd2f0bad3a155a78615ab321fce3f71
Formbook
bf28fead8ec14ec9e464574a4dd67fec82af54f203787632e55e7899293666df
Formbook
d3d8ab2d49b0e893933192b1dbc35e4d58e67efc8e09621d28acccc75a48b29b
Formbook
+ 9'828 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dv9n rat spyware stealer trojan
Link:
https://tria.ge/reports/211112-g53cwacgc9/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.elianedefalco.com/dv9n/
Unpacked files
SH256 hash:
91247d29e38c5d0736f69467ea73ab3b5c5af447002f4fec5aef94fa0910ea49
MD5 hash:
aff6bd42cdae47f707eb7f7d7963cbb7
SHA1 hash:
9a760d8c0bd93904227152211c9ce9418cd79858
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1429d9e2-c79c-4cc9-996c-c236efdeb174/
Parent samples :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 hash:
bd4c4912209802bb457983177d94b220d20dc9775ff973f90bd1c6afd729bc9c
MD5 hash:
8cde05c2cc918a68b075bdb2854c9994
SHA1 hash:
bc3c4e2826370171102ee8b7bd317493cd72c15f
Link:
https://www.unpac.me/results/1429d9e2-c79c-4cc9-996c-c236efdeb174/
SH256 hash:
dea22a48d44f2cddbdd3f14c33d9d5e465a27d0714a9f57220d924734c202d55
MD5 hash:
15304cef9d7852b4d11eaac0f86930f6
SHA1 hash:
8e1ab98b11938495562616098bd5de289fcd698d
Link:
https://www.unpac.me/results/1429d9e2-c79c-4cc9-996c-c236efdeb174/
SH256 hash:
5934b53c06d3c943f4cef7e383eabbea1587591a41a92280c0bf55e169927f13
MD5 hash:
0a221f64ff48657c3027f2652e571591
SHA1 hash:
d808e479dbc2251bf088976a6b96f4f410d775bc
Link:
https://www.unpac.me/results/1429d9e2-c79c-4cc9-996c-c236efdeb174/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5934b53c06d3/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/5934b53c06d3c943f4cef7e383eabbea1587591a41a92280c0bf55e169927f13

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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

Executable exe 5934b53c06d3c943f4cef7e383eabbea1587591a41a92280c0bf55e169927f13

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/205168/

Comments