MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a5fecaa7aa29ffedca8d999e1868afef3a14ca955248b617d3445ea239186e4. 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 2 File information Comments

SHA256 hash: 2a5fecaa7aa29ffedca8d999e1868afef3a14ca955248b617d3445ea239186e4
SHA3-384 hash: 46c4ebf693a8bc3f3906070f0383dd44f64cb98fde0e5103791ce9e5362023620d851d0d391b3fc84c83b0bd0480f63d
SHA1 hash: 50218d269c41104b344af5ba268bb21ed2918832
MD5 hash: 5fd75c7c969b7fafda67d1b9041a048e
humanhash: mike-coffee-connecticut-early
File name:TELEX.exe
Download: download sample
Signature Formbook
File size:544'256 bytes
First seen:2022-03-01 06:51:39 UTC
Last seen:2022-03-01 14:47:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:MVvy6zEGRUcZ64HcRm00dTcM+NC2qMusM9BagnOEqiQG17:MucUNRmZdTL+NCzM8JncM1
Threatray 13'717 similar samples on MalwareBazaar
TLSH T1A7C4D08B3A355796CA3D9B346425120CCFF6E972C35EE2A97CC6B1CD0072F474A2691B
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
6
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed replace.exe update.exe
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 method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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.AgentTesla
Status:
Malicious
First seen:
2022-03-01 02:27:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:m80e loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Xloader Payload
Xloader
Unpacked files
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
1bb99ada494643cfa679c7032d6785186011589b3a49a7bf75e662e9646cc024
MD5 hash:
8e3493e1abfe010f4b5bb54bda8f0d20
SHA1 hash:
1eb192ddd23355285a7a4d5105bdc99c4cbd7176
SH256 hash:
2a5fecaa7aa29ffedca8d999e1868afef3a14ca955248b617d3445ea239186e4
MD5 hash:
5fd75c7c969b7fafda67d1b9041a048e
SHA1 hash:
50218d269c41104b344af5ba268bb21ed2918832
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 2a5fecaa7aa29ffedca8d999e1868afef3a14ca955248b617d3445ea239186e4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments