MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da598cdcc8c0be3634bafe7bfb3ca0137e1ae0f785fcbe679f63a79fde4c3131. 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: 5


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da598cdcc8c0be3634bafe7bfb3ca0137e1ae0f785fcbe679f63a79fde4c3131
SHA3-384 hash: 833b3894d36723f0f1f5284d2909fd27a0dc840af05a1fa1c3efc9f84b07e8aee25afdb48ab9a77f3d10b3629320848f
SHA1 hash: 89f6e0531fb4c020c20735540106a577aa6f3cfb
MD5 hash: 526c2cba45ee6bfd7f86204f221bd4ec
humanhash: georgia-magazine-stairway-green
File name:Purchase order-SSF-HWM4 confirmation-dated06-05-2020.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:490'496 bytes
First seen:2020-05-06 08:20:17 UTC
Last seen:2020-05-06 09:09:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:czUUtGPjPobFIojP1uKUjN+Bp+jKuv+gnlGJ9MByLoIGre3I7rpo0XUP+udk:czVsP7oZIoj1EHjK++g6LG77j
Threatray 4'743 similar samples on MalwareBazaar
TLSH BFA49D67707CE1EEF85EBCB15A541F60AAB02DA2423AE103E44F7DD9E97B553CA400E1
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: cathay-food.co
Sending IP: 111.90.140.123
From: Ms. Lucy <sales@springindia.com>
Reply-To: sales@springindia.com
Subject: Re Purchase order-SSF-HWM4 confirmation
Attachment: Purchase order-SSF-HWM4 confirmation-dated06-05-2020.rar (contains "Purchase order-SSF-HWM4 confirmation-dated06-05-2020.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.LuheFihaA.397.2880.UNOFFICIAL
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Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
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Status:
Malicious
First seen:
2020-05-06 04:00:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3jmyzxgiyc7dmnf27z57wpfacn7bvyhxqx6l4z47motz7xsmgeyq._file
Verdict:
malicious
Similar samples:
157ef05047452109ec1552af00806f1469254bc14a5cc942e41180ee82d508a7
FormBook
1d1c9ee0b1adaa5a121fd70d332785395ad22538f9cdc7db44414c1604e28919
FormBook
1e1a825c158fefa17df9237a4be60bc99e1a2a42ded631c8636b6af668b1627f
FormBook
218a9186e336f916762f64853f94cab4f6edc3c5cb8cca7a3a84cbdec2ee51cb
FormBook
2a40a9e18303875b2db452783190820001c898e8374864fec29793bf43bbe401
FormBook
30bbf2043054b92e495bbd55f67e43b8eafce430bf31d8aaa4899385e503cdbe
FormBook
8df71043e89088e65c08e918cdd0d0278e78ce39d3d22e04e0310c3d7ec50b28
FormBook
c28628e453851e95098e1706bb1d130a863b70abd4b5c316ea710f83ef68b0a1
FormBook
dc9313eb1e94d26aae9ad9f8e5310589092b1a29f0436017417c3ad3e4f42e0d
FormBook
ffe5b585cebd48c48d45d315506f232f43b77761225cb349fe80e73bfb2485d5
FormBook
+ 4'733 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan persistence
Link:
https://tria.ge/reports/201109-m3sjyrcwq6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious use of UnmapMainImage
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.flycoz.com/te/
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:win_nymaim_g0
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Author:mak, msm, CERT.pl

File information

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

Malspam

FormBook

rar ebd33547fd06313900500b2036ca0ce292951102ec2e88505bc090925d1cfc56

FormBook

Executable exe da598cdcc8c0be3634bafe7bfb3ca0137e1ae0f785fcbe679f63a79fde4c3131

(this sample)

  
Dropped by
MD5 1a4b56d7acee31b13c6087d3839800eb
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ebd33547fd06313900500b2036ca0ce292951102ec2e88505bc090925d1cfc56

Comments