MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f725b6a2466a6f4c7084eeab5994e30b8ef836633c1a84d85c1899deb1808d3c. 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: f725b6a2466a6f4c7084eeab5994e30b8ef836633c1a84d85c1899deb1808d3c
SHA3-384 hash: 965fa089af922f0a4f9b71d4dec6e4aedf512c816bac25bb947aea142a50005645f360a5feb276cd3b27cb60e97ee8e3
SHA1 hash: fb14b24abd737c27f5a4f040b82cb07c787ad7c8
MD5 hash: 346a9dff18e0f856cede3bf4a08dd8f1
humanhash: sixteen-mountain-happy-march
File name:Purchase_Order.exe
Download: download sample
Signature Formbook
File size:762'368 bytes
First seen:2022-03-01 06:57:19 UTC
Last seen:2022-03-01 18:12:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:tEhAkR/IOufp859zO9Q2r4D0F/EBk2e4Yf0h9GFDnGGJ4:fI9eL9FEBV5hgFpy
Threatray 14'291 similar samples on MalwareBazaar
TLSH T161F4BF4838EA5139F93A8BF1CBC0EBF1DB6DF221E58860F568000E559605BBC8955EFD
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
166
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
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.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 potential unpacker
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 580365 Sample: Purchase_Order.exe Startdate: 01/03/2022 Architecture: WINDOWS Score: 100 31 www.gmttechnical.com 2->31 33 www.chanhxebthcm.xyz 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 9 other signatures 2->47 11 Purchase_Order.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Purchase_Order.exe.log, ASCII 11->29 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 Purchase_Order.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.ratesosdem.quest 37.123.118.150, 49760, 80 UK2NET-ASGB United Kingdom 18->35 37 www.tekpanel.xyz 18->37 39 www.djammari.net 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 53 Uses netstat to query active network connections and open ports 18->53 22 NETSTAT.EXE 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-01 04:02:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ct2t loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
9e083f95f2a93b1c1f16a9946e8816347ee9c8a411decd05af853d98766e334a
MD5 hash:
07a7f236714b348e39a803e60940220f
SHA1 hash:
2283e45e6576af6a6d4f55f4cfa592455053a478
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
SH256 hash:
86bd73daed2aa0e2931051f98f341860eeb0203011e52cea98253bb3871cdd77
MD5 hash:
994a65536b3d7482a8bfb3852a9936bb
SHA1 hash:
1b05e9db4cb48651bc8ff6d358b4544e75260952
SH256 hash:
3bae5292ebdb78ee06b311e35391632a073b03ccefab4e5621c4e7dd3889127c
MD5 hash:
64f71aa45a6bcc87b05abc7d9731f014
SHA1 hash:
196c7133437bb33e8fe45c16e542e14d589f603f
SH256 hash:
f725b6a2466a6f4c7084eeab5994e30b8ef836633c1a84d85c1899deb1808d3c
MD5 hash:
346a9dff18e0f856cede3bf4a08dd8f1
SHA1 hash:
fb14b24abd737c27f5a4f040b82cb07c787ad7c8
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 f725b6a2466a6f4c7084eeab5994e30b8ef836633c1a84d85c1899deb1808d3c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments