MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a77d7c7c407337a3900bc0b58f0e27a6ba71a35a5ae92a85861e6b020ea8496. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a77d7c7c407337a3900bc0b58f0e27a6ba71a35a5ae92a85861e6b020ea8496
SHA3-384 hash: 6668bb4c96e10c77ca445bcfafb11dd4dc989f39ac83914ce22a510c6dda1c4f90d001a70665073e5bebfd44b376f9d2
SHA1 hash: 50680ad829e0de6937e439b1c75c4669223f67f4
MD5 hash: 7bc408042f560b1eb350925c9eebab8c
humanhash: quiet-sad-spring-quiet
File name:SecuriteInfo.com.Trojan.Siggen13.46850.2426.19093
Download: download sample
Signature Formbook
Create hunting rule
File size:1'280'000 bytes
First seen:2021-06-02 09:01:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:YK0b8SsG2TYzQffOp0enFg1dGuw4kMuNAXouKI:msG20kH4JFg13w4kPNAs
Threatray 5'528 similar samples on MalwareBazaar
TLSH 41455BF4F16494A3C70DCB31C7E1ADB997723EFA51124A1C09A8BB4D2B7374B8B6A405
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.Siggen13.46850.2426.19093
Verdict:
Suspicious activity
Analysis date:
2021-06-02 09:08:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e7a119b3-e742-4e8a-a9d9-d9f05d5712a1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/163972/
Detection(s):
SecuriteInfo.com.Trojan.Siggen13.46850.2426.19093.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/795741
Signature
.NET source code contains method to dynamically call methods (often used by packers)
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5a77d7c7c407337a3900bc0b58f0e27a6ba71a35a5ae92a85861e6b020ea8496/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-06-01 16:44:11 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14b95763e86e899de22402ae2d7204ff7d9ceab85a12a1599a6c8d5964fa306a
Formbook
196b6069472a478c158cae56200e7d627d7e6b32ab1f361a36b75234bbf998de
Formbook
5b7770f02c562dffdbe0cd638e288adba8f340c7231ef30fa2860b7f4b9dfa80
Formbook
719604b516f11740266b2c7a8a61129f779caf4c1f9e16bac35d39f5792a009b
Formbook
ac21c19e58c41f268014ca25f2fab76c398eaf6b58e0e66b74b0b0a30395dbc4
Formbook
c8ae2ba5bc167ab220f8d6e57d6672f64093b7c8e54fee7b810614ec98641aeb
Formbook
dca4ef28227337fd8db96514bf0304a4623784e61fb78e081911b9c8f0d9fa81
Formbook
e1339c4548f73e4f250fed46d56bbce84491ca122aed7527731bb8d72df83e11
Formbook
e849c7a7302e028b74f1f8d4c4bf715db8fde7fdb80747a4b791d7a3fde9d5e4
Formbook
fa768e26f300f2c19ef11635dd836b031e0b5352d86d40cdc24284bf874230e7
Formbook
+ 5'518 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210602-ae7lzrlv6e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.adultpeace.com/p2io/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/5a77d7c7c407337a3900bc0b58f0e27a6ba71a35a5ae92a85861e6b020ea8496

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_InTheFu
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: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.

Web download

Formbook

Executable exe 5a77d7c7c407337a3900bc0b58f0e27a6ba71a35a5ae92a85861e6b020ea8496

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1310550/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1311267/
  
URLhaus
https://urlhaus.abuse.ch/url/1313545/
  
URLhaus
https://urlhaus.abuse.ch/url/1314712/
  
URLhaus
https://urlhaus.abuse.ch/url/1314755/
  
URLhaus
https://urlhaus.abuse.ch/url/1314757/
Cape
Cape
https://www.capesandbox.com/analysis/163972/
  
URLhaus
https://urlhaus.abuse.ch/url/1316773/

Comments