MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16b59963cf5398fe9d50d18723bf7b78073a6fd4d1dfd3072b45b8852ead2d58. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16b59963cf5398fe9d50d18723bf7b78073a6fd4d1dfd3072b45b8852ead2d58
SHA3-384 hash: 2c7ad6282767782893ac2065589adffe1a1096bfa375244cfc10c44a9b00c28ffc8a4a300e79551b6ab662c5845a3ea4
SHA1 hash: 3f7c02f0762eb97d3dd0008160f8f6df3351afc1
MD5 hash: 29fcf3a3a5fe32151f236ea2e977d22f
humanhash: oklahoma-alpha-helium-orange
File name:new requests.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:481'280 bytes
First seen:2020-07-16 07:13:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:vGCM012k4zUn5/53sAUjNztz4kJM+xVVpzxqdSkWpM4s2NaO2Y:Bf9/53s3NzNJPnp
Threatray 5'087 similar samples on MalwareBazaar
TLSH 40A46BDC3550719EC94E8D764954EC30AA202D62F7FBE20663C32E9FB93D596CF052A2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: server.megatroncorp.community
Sending IP: 162.241.205.158
From: Yousef Abdullah Al-Benyan <server@huttprimax.partners>
Reply-To: Yousef Abdullah Al-Benyan <Sabic.purchase1@consultant.com>
Subject: quotation//request
Attachment: new requests.zip (contains "new requests.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26430/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.24871.18360.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/389379
Signature
Machine Learning detection for sample
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/16b59963cf5398fe9d50d18723bf7b78073a6fd4d1dfd3072b45b8852ead2d58/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 07:15:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c22zsy6pkomp5hkq2gdshp33padtu36u2hp5gbzliw4iklvnfvma._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
38d4e4ea5e9b15b4d221cc6627a7b088a54964dfe95b49173a45bc5f9177a249
Formbook
3bc2e6f78c3a261a13546f719d6b089dab1730e8f6539d7ab7a319fc3e410270
Formbook
3f86f49f3c2e3583c70385971bdba545c85d8f2d66f8923bf446dde88be3afc0
Formbook
4c1fe4c0f5d8d1277036802c83df3e083b31318dfc2c194ce93b7169d7ba6e3d
Formbook
7aaba6dcdbb2649a4beeb5e877f26e4ff90aa1c59cb289620dc0098ec88cc663
Formbook
82a761b4157d1fa4e99dbf36c0f30935b19a1dd9875e330d81a70877aa07bc8a
Formbook
b64442a995a9b13bc92c58cb492ba2ca7a5c8d3a21ac26c6cda19faa42796ceb
Formbook
d34f87c6a070f4f73344156c16be7040f2932053aea2868e98b0fa4297113835
Formbook
e273d82c782a01c388cc619e6832bfb43301f4308884751b9393262302fc84c0
Formbook
e99c6ae5a08e119d151f0c28b6b164d98ca6fd24d1d91b6f57bdf40f3d688c91
Formbook
+ 5'077 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200716-957btcq5gn/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
Suspicious use of SetThreadContext
Deletes itself
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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar

File information

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

Malspam

Formbook

zip 4e821c7b6ac4d01f579bfa788148df3d55415117a3bc2a3ad814a0685ab38326

Formbook

Executable exe 16b59963cf5398fe9d50d18723bf7b78073a6fd4d1dfd3072b45b8852ead2d58

(this sample)

  
Dropped by
MD5 dab93d1e3ca6f8953c3abaae3a0ce7dd
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26430/
  
Dropped by
SHA256 4e821c7b6ac4d01f579bfa788148df3d55415117a3bc2a3ad814a0685ab38326

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