MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc7dfae4a7e312411143e3877ab395e9a9cd5e819dac0029476f61eaecac55a7. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: dc7dfae4a7e312411143e3877ab395e9a9cd5e819dac0029476f61eaecac55a7
SHA3-384 hash: 450dc53a9a3228e85b4043e7e62ef11137bccb36efe1f28c1105b08a6793ede5642dd322835b1ecb6fec9d8a7cf760ce
SHA1 hash: f953a6d9408114816c9f758f380ae8174a40622a
MD5 hash: 379e4ba02d26b6056975294ed69c60ea
humanhash: oscar-march-oklahoma-bakerloo
File name:PAYMENT COPY.exe
Download: download sample
Signature Formbook
File size:572'928 bytes
First seen:2022-03-24 07:48:59 UTC
Last seen:2022-03-24 10:17:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:N8x6dUiwEPgYJZVuEWRZL+zoYGmJiBz2BiTB6iVd+D:SxoUiwVmRQi+mWz2BiF6Ii
TLSH T1ADC4D0B2D3F8EF2EE67DA3345030811A3BF1E093E650DA4EBE89009E5453B9542B3756
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains very large strings
Antivirus detection for URL or domain
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-03-24 07:49:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:m80e loader rat
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
8d5d34e1b4a790cfbefb1a3dd97ffc7cf805b1a39591b09911d95366f45ec288
MD5 hash:
fc5a881458158290b815dca93658790c
SHA1 hash:
73770da21540a0e04fa518dc8d4a02358d336b15
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
dc7dfae4a7e312411143e3877ab395e9a9cd5e819dac0029476f61eaecac55a7
MD5 hash:
379e4ba02d26b6056975294ed69c60ea
SHA1 hash:
f953a6d9408114816c9f758f380ae8174a40622a
Malware family:
XLoader
Verdict:
Malicious
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe dc7dfae4a7e312411143e3877ab395e9a9cd5e819dac0029476f61eaecac55a7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments