MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f79592d7f8ba73cf16c31b3ac92427cdf99789a3eece4c873d0522b3429a783f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f79592d7f8ba73cf16c31b3ac92427cdf99789a3eece4c873d0522b3429a783f
SHA3-384 hash: 19418df6305270e0aa8171212a82005b4fa15127787a22ca77e93b0df57c37516614d06e842ef14423dee23c932d4bae
SHA1 hash: 94affa3cf3eca5bb47e57ca14fed414af9831c48
MD5 hash: bd741cc655060dbd3967455b7dd445b1
humanhash: tango-whiskey-pip-early
File name:2t9KtoR9xzpJY4E.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:856'064 bytes
First seen:2022-01-27 14:33:41 UTC
Last seen:2022-01-28 16:01:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:AJRru1Fljf/wSE57/6w4LVxjHKvxusRS/YAsBnDzNyDTzJpmpqwIbCAhN:AJRruDRNRtpVKvdqYAmyTzTmpPI9f
Threatray 13'024 similar samples on MalwareBazaar
TLSH T16405E0007BB4C772C57A6BF804F224148BB5356AB53DE5D86CCB62DA1BB9F208162F17
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2t9KtoR9xzpJY4E.exe
Verdict:
Malicious activity
Analysis date:
2022-01-27 22:48:02 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/ab6ebece-f55b-4970-bbcd-ad059a44cf3c

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/224367/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.11699.126.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61f2ad676a7929f66a1b2db0/reports/a53966da-35e4-4a28-bdaf-c6b27c262642/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/5a6df31c-432b-4733-abf4-17e1d41f10f7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/929208
Behaviour
Behavior Graph:
n/a
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f79592d7f8ba73cf16c31b3ac92427cdf99789a3eece4c873d0522b3429a783f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-26 12:20:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=66kzfv7yxjz46fwddm5msjbhzx4zpcnd53hezbz5aurlgqu2pa7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3d9729b33f01f4fd8a138d106d9ff2e1bb311f28a6a9ffc1b664d1b1cfeeb4c8
Formbook
838646bc9841804d7671fb25b3fd5d3e67e91c1d341c7125ce63ad436ada5f26
Formbook
97633db1552b4791c99177e854d262a0d1021d44ee8717dc13bac90d6f55ae01
Formbook
a8db04465f62d993cc1e2413fd0710700ab10335729c3aaa0b663f98c3420a1a
Formbook
b16702237b0fa9a919093458ca1711fe959e8ba2b7b885021237cf5b83d84e5b
Formbook
d233487e4f8fc63bb27cbf4344429740300d34049aa4e81afd133799bc0d3777
Formbook
fdbca30c6db5b5bc5e1a954ce387deec23d7b77ff249ec916bcabb0a5faeb783
Formbook
+ 13'014 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:cbgo loader rat
Link:
https://tria.ge/reports/220127-rxexqaega2/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
ceb6a86d334fc6a15bcc80c7f78605d4d753d107f9a87cac9617f05e1a0451d3
MD5 hash:
178c97c45bf7a9f78755b58266746dd8
SHA1 hash:
422e21dbcce796c016b6c56c14e0c11db9fa7683
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/230484ac-847b-4855-9d81-950d3a19e05a/
Parent samples :
425f5003a91d1ecced29d4e5a5746806d0b7d5d4a3833c13b88677a3c27eb0de
f79592d7f8ba73cf16c31b3ac92427cdf99789a3eece4c873d0522b3429a783f
72417f2e53964171cecc3819ad3033955ef54b7eb0d7cb542fe089d4f19c5f5d
9689e8e0cf51b8b5c98ddb007636d8acf7e03c9cc8a7bf99aafdaaebae2dfb3a
cfde328feb2bab7e7d8c42f5c1e679b49db27f5a4f469ef189c132d07ef211f6
e001e6df4c7f72792f62e8a6c85f7061589071eae796aff8c96343a25b9641f8
b88f9f5f1944a3f2d0f7586fcdb3b3262bfb979e3fbc3364b306067cc6d5f38e
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
Link:
https://www.unpac.me/results/230484ac-847b-4855-9d81-950d3a19e05a/
SH256 hash:
ae293b23435d9b223b390f79f41bc9f12e7e8b703ff78d0893321346d10e98d0
MD5 hash:
44bc985c0cecb539193c317945b7cbc2
SHA1 hash:
0fbc8f709689fbb99ffdfa4fdbd9ee6dd10bca65
Link:
https://www.unpac.me/results/230484ac-847b-4855-9d81-950d3a19e05a/
SH256 hash:
f79592d7f8ba73cf16c31b3ac92427cdf99789a3eece4c873d0522b3429a783f
MD5 hash:
bd741cc655060dbd3967455b7dd445b1
SHA1 hash:
94affa3cf3eca5bb47e57ca14fed414af9831c48
Link:
https://www.unpac.me/results/230484ac-847b-4855-9d81-950d3a19e05a/
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/f79592d7f8ba73cf16c31b3ac92427cdf99789a3eece4c873d0522b3429a783f

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe f79592d7f8ba73cf16c31b3ac92427cdf99789a3eece4c873d0522b3429a783f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/224367/

Comments