MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c90a084feffe9f13cbffbaa7b490543f85676b912d0f5c24276a92370456c97c. 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 File information Comments

SHA256 hash: c90a084feffe9f13cbffbaa7b490543f85676b912d0f5c24276a92370456c97c
SHA3-384 hash: 41c1b92e3dad882db7cf08d684883eb590365cbde065d45aca122cce15cac691149f69140037ab60d6c38cfab36f83bf
SHA1 hash: 3cc3852394419844011dbf7ec0abd91b0ff80763
MD5 hash: b8b4a83864462917aa1c1e95aaca4ac6
humanhash: bluebird-iowa-fanta-avocado
File name:Quotation_674634873487438734.pdf.exe
Download: download sample
Signature Formbook
File size:567'296 bytes
First seen:2021-04-01 07:24:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+y28r/jgwXStHqtTw3+QU+xgwKldXv5cBx3bB2i:+UbSkw3+/aKltm/35
Threatray 4'471 similar samples on MalwareBazaar
TLSH B4C47B2333477B5ADCB813B91051519833F1AFA9F62BC20D6CA4725C4E776C187AB6E2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: esimex.com.ar
Sending IP: 104.129.4.25
From: sales01@esimex.com.ar<sales01@esimex.com.ar>
Subject: RE: NEW ORDER
Attachment: QUOTATION.rar (contains "Quotation_674634873487438734.pdf.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation_674634873487438734.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-01 07:35:29 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2021-04-01 02:36:12 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.libertyvitalitynetwork.com/chmq/
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
SH256 hash:
c90a084feffe9f13cbffbaa7b490543f85676b912d0f5c24276a92370456c97c
MD5 hash:
b8b4a83864462917aa1c1e95aaca4ac6
SHA1 hash:
3cc3852394419844011dbf7ec0abd91b0ff80763
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe c90a084feffe9f13cbffbaa7b490543f85676b912d0f5c24276a92370456c97c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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