MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caf586c9d78e7b0adc9d91286228eba817463d60b912651f2aa43288441d4d48. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
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SHA256 hash: caf586c9d78e7b0adc9d91286228eba817463d60b912651f2aa43288441d4d48
SHA3-384 hash: 8bb916e62fdc301a76372fa0b8435dccdeba22d070e0358e65403341264b17013d13ed199142df1c9a0ba775284a9ee3
SHA1 hash: fcf90b99e47ec6b6a1bbcffb7d19b0e3376c18e8
MD5 hash: 4e45b0a785255a7a3ffa78a9ccf21e6f
humanhash: hamper-washington-texas-item
File name:4e45b0a785255a7a3ffa78a9ccf21e6f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:515'584 bytes
First seen:2022-02-08 18:53:05 UTC
Last seen:2022-02-08 20:52:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:hOxsJF+m5sIhZ5uyZTw4W/l/9+EUESyLn5k:h+mKInXR6/lGI7
Threatray 13'147 similar samples on MalwareBazaar
TLSH T1CFB47A3F49BE123AC2BCCB319990CE1FB426D5563977692D2A9225D905232F375C223F
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/238544/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.2755.8866.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
DNS request
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/6202bccf845a69d7734ecc3f/reports/4580777b-37c5-4f5c-93fb-57d649f7183e/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.
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/936393
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/caf586c9d78e7b0adc9d91286228eba817463d60b912651f2aa43288441d4d48/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-08 08:40:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ab19b205a91984c1143c4583130c911131d1606a2f7e38ea91c9c1860cbd14b
Formbook
7c7116c6a0f1e06e4c252ea45668b85c1fdf3f35216097be1208e14be4066b36
Formbook
a42b3919356aa815980faeac0fc6222bd4a2d6f6cc5bdc01c5a5f55014a9c66e
Formbook
a6e23730cd711af23e7900cbabb871b668d37a74dda0c97d63f3303167861cf5
Formbook
acb28239c256d400e79f51a7f83036d19daa0d814d32dcf765d8ec9aa0293cea
Formbook
b1e2238ed835357f061456c7a38d0620cef8b78f0e1a9856133cc5b2805e0ed1
Formbook
e8720afe9895124761086a0f00aa515997015669cc5332aebe99d5ea02ca7377
Formbook
e8e0f125d909bafae93f469222f2cfbcb30585e03825d8442c8934a92fdd6c89
Formbook
ff3f7736a06e89ae300270369d83b922423c8a840903b30a8a21365c4b0b0628
Formbook
+ 13'137 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:u6f8 loader rat
Link:
https://tria.ge/reports/220208-xj791adcgq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
ea838e0384811cc8fe8b402800db2c4e6d245b8fa7e19be75598b1acfcaf8e27
MD5 hash:
fbc09d4966f3efeaa13409622e7de925
SHA1 hash:
6181388dbff60fe021269c931054283129e99010
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e1e638ff-ff85-4f1f-8f50-43ae1ba98bb9/
Parent samples :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 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
Link:
https://www.unpac.me/results/e1e638ff-ff85-4f1f-8f50-43ae1ba98bb9/
SH256 hash:
6a6a77c6f77051a0064c53f9a8f4a5502f620bbf63ea19036f44cbe31c5c8162
MD5 hash:
13bcfd47ad238c1daa247a7be145a335
SHA1 hash:
07b30ae596d1cfbcce4e2aa998586997dd46adff
Link:
https://www.unpac.me/results/e1e638ff-ff85-4f1f-8f50-43ae1ba98bb9/
SH256 hash:
caf586c9d78e7b0adc9d91286228eba817463d60b912651f2aa43288441d4d48
MD5 hash:
4e45b0a785255a7a3ffa78a9ccf21e6f
SHA1 hash:
fcf90b99e47ec6b6a1bbcffb7d19b0e3376c18e8
Link:
https://www.unpac.me/results/e1e638ff-ff85-4f1f-8f50-43ae1ba98bb9/
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 caf586c9d78e7b0adc9d91286228eba817463d60b912651f2aa43288441d4d48

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2035729/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/238544/

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