MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5f77ba2b2ad58cfad5ae3111994ad0f889967e6d4f67ecb9cedf1b8f10a6149. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d5f77ba2b2ad58cfad5ae3111994ad0f889967e6d4f67ecb9cedf1b8f10a6149
SHA3-384 hash: ae99bc33a57a0664c80cb61b03dc97019a16b4aaf0d3891fa89e0101f652b3fd8b87a0d743abdcff0c5c7cbfeb38afd8
SHA1 hash: 8b86e6c0632c5b8994f8186113910e4a3f1aa3f1
MD5 hash: 1a630ff7e71aed90bb79250c00d2183d
humanhash: kitten-colorado-april-venus
File name:1a630ff7e71aed90bb79250c00d2183d.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:807'424 bytes
First seen:2022-02-07 14:45:01 UTC
Last seen:2022-02-07 20:40:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Y4WBDM5yxON3Qy+Cx9zqbua6QCG05PPfO2KMFZMCFQdYXCYwWGy2YbjAWd0EYz:qDzxOdQy+CnOCP5PO48/XHj
TLSH T1FC05D0AC725179EFC41BC972DAA83C60A63130B787CBD2035127169C9E5EA97EF044E7
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/235865/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62013073c79b424d7205744b/reports/2469d461-c002-4ff1-9071-7945a3a2313f/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/9b5b6db8-f465-462e-bd9c-f36101b74316
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/935413
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d5f77ba2b2ad58cfad5ae3111994ad0f889967e6d4f67ecb9cedf1b8f10a6149/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-02-07 14:45:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ot22 rat spyware stealer trojan
Link:
https://tria.ge/reports/220207-r4q9bsdbgl/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
3b5277be9cf87decc4932da80e6d1b98f1e2c988a6338ed08f9b39cfa4016ab8
MD5 hash:
58b8d6bafa1e9cfa34b46fa68cfd0d50
SHA1 hash:
6f7b1ca5b70bc8ac83a82e3bd582fe68980ba913
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/20cf345b-a784-4d22-a47f-eff75c775127/
Parent samples :
22633ca2e23a6d2353a4a2a4f87b02548fc9c9e92b4e482df9bae8e93c17b793
114505961db31e8df89e72793bdab23348cfde742a30cfd7171047a61d23af84
d5f77ba2b2ad58cfad5ae3111994ad0f889967e6d4f67ecb9cedf1b8f10a6149
8c2c738ee2230ec142259f31fc60cd23ce3bac65dec24427437ec79250fa3653
SH256 hash:
550a4e4925ffa1c5a764cfa8c41cb91b2052db22526cfab41c19b412a828b95b
MD5 hash:
3a92548ffbf1c7921e362b0d32a99842
SHA1 hash:
8755fb901fe6212488e0ab877c3f82635d76c6dc
Link:
https://www.unpac.me/results/20cf345b-a784-4d22-a47f-eff75c775127/
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
Link:
https://www.unpac.me/results/20cf345b-a784-4d22-a47f-eff75c775127/
SH256 hash:
d5f77ba2b2ad58cfad5ae3111994ad0f889967e6d4f67ecb9cedf1b8f10a6149
MD5 hash:
1a630ff7e71aed90bb79250c00d2183d
SHA1 hash:
8b86e6c0632c5b8994f8186113910e4a3f1aa3f1
Link:
https://www.unpac.me/results/20cf345b-a784-4d22-a47f-eff75c775127/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d5f77ba2b2ad/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Web download

Formbook

Executable exe d5f77ba2b2ad58cfad5ae3111994ad0f889967e6d4f67ecb9cedf1b8f10a6149

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/235865/
  
URLhaus
https://urlhaus.abuse.ch/url/1907407/
  
Delivery method
Distributed via web download

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