MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d13e6324eeeba019e6893f6420259df2c840899305447530c99067cadb426cc8. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d13e6324eeeba019e6893f6420259df2c840899305447530c99067cadb426cc8
SHA3-384 hash: fc0532e9017abf321f22a188a30ac1e0cf851c644601c7d4b28f08e828edfeaf46b4506506e41d78844b760bcdce55c6
SHA1 hash: 3529e06fc17e67b62b581e83f0a40ac1f29c0d99
MD5 hash: 7fdce8c420ddd679b88fb8d9bc7e893f
humanhash: berlin-hot-music-sixteen
File name:c2sxPTU9Q3hnB8Y.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:846'336 bytes
First seen:2020-08-14 08:44:16 UTC
Last seen:2020-08-14 09:42:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:qKYi03+l03++LLkxjtBCaM/CsU6FV0C8ME0Y:qKF03+l03+6Qxjt7sX38C8
Threatray 2'240 similar samples on MalwareBazaar
TLSH 8205D06027E655B7E57A7E34463256200777BCA73A3DC34E4B8D72CF99207AC8B10B26
Reporter abuse_ch
Tags:Endurance exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: 162-241-204-248.unifiedlayer.com
Sending IP: 162.241.204.248
From: Helen He < server@hinet.net>
Subject: Reminder for Quotation
Attachment: Quote12.zip (contains "c2sxPTU9Q3hnB8Y.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/45647/
Detection(s):
SecuriteInfo.com.RSharedStrings.21774.16863.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/429039
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d13e6324eeeba019e6893f6420259df2c840899305447530c99067cadb426cc8/
Threat name:
ByteCode-MSIL.Trojan.LokiSteal
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 08:46:08 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2e7ggjho5oqbtzujh5scajm56leebcmtavchkmgjsbt4vw2cntea._file
Verdict:
malicious
Similar samples:
12682b2e7f9831339ab54913afd5fbbe42fb11af2c15d92f53776e5d45e50e94
FormBook
420c2572fe66b34a3e994b43ec3d35a60559c2b011c02c038854a99034a9ca2f
FormBook
47e2cdade33723e82c06a0411695ff32f874ee73024f658cf8c00592dff729a8
FormBook
52487a544f6987349f5cab38dd1cfdd2aac0ac6efff911fc171a1ae844bd9f87
FormBook
67da8a06938ef9c410525c901be8256cd02a9643d67a61f0f8d49c79fcfc6ef5
FormBook
693e62c2a77f9a854abde4a76ff075601db591e2007d198225385fc63965b719
FormBook
a733deff759ea8ed7bcb941789e3458cd51b4bb355b66c34a08e3c790ea5f688
FormBook
d670baae02ac0598fa3964c26f61b1ce8aad0b50e48d4903e37b3cd1be720b6d
FormBook
df55898a2e3ad76e9ca691d178e15d2c499f391be7ed604a10ea7084e02d9446
FormBook
fa2fea7b2c7e6d02c40890b178133c0c21e6e1182c170c09de4550e85c98e67f
FormBook
+ 2'230 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200814-2h71l1ps8n/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.iskovlay.com/r7m/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d13e6324eeeba019e6893f6420259df2c840899305447530c99067cadb426cc8

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:RSharedStrings
Create hunting rule
Author:Katie Kleemola
Description:identifiers for remote and gmremote

File information

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

Malspam

FormBook

zip d5924ffd2f61c7601bcdb10a4ea4b025202168846cd93f6dd427d0da11c0cee4

FormBook

Executable exe d13e6324eeeba019e6893f6420259df2c840899305447530c99067cadb426cc8

(this sample)

  
Dropped by
MD5 d75d1f0de275a11dc505e4793c80f4fe
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45647/
  
Dropped by
SHA256 d5924ffd2f61c7601bcdb10a4ea4b025202168846cd93f6dd427d0da11c0cee4

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