MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e491a74423f2a4223b1f1900df1a3bf09348f0306c2eea32d2c7019950d78936. 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: e491a74423f2a4223b1f1900df1a3bf09348f0306c2eea32d2c7019950d78936
SHA3-384 hash: d3051fb0378491f789fc526877e1a6985354e2ab4c7563625ff38e0ab70af3933e5bec3a85a215ba8a870d7db7277fe6
SHA1 hash: 0acccbcad9ebae08fce20be2334680ac3351738f
MD5 hash: 96687c9f25a117235bc0a972dc3b7826
humanhash: september-diet-maine-quebec
File name:Purchase_Order.exe
Download: download sample
Signature Formbook
File size:823'296 bytes
First seen:2022-03-02 14:52:56 UTC
Last seen:2022-03-03 06:49:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:yR/IY2Vo6U+RbwCQtuN1C1aRbzhbt8ysYjt4Hv5HaRXSJVUC:C+R861CSbd5T54HpaYJO
Threatray 14'476 similar samples on MalwareBazaar
TLSH T1E005BF1839EA5038F93A8BB1DBC4EBF1DB6EF221D58870F554000E159656BBC8949EFC
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
fareit obfuscated packed replace.exe
Result
Verdict:
MALICIOUS
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 581689 Sample: Purchase_Order.exe Startdate: 02/03/2022 Architecture: WINDOWS Score: 100 29 www.ovicbd.com 2->29 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 9 other signatures 2->53 10 Purchase_Order.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\...\Purchase_Order.exe.log, ASCII 10->27 dropped 55 Tries to detect virtualization through RDTSC time measurements 10->55 14 Purchase_Order.exe 10->14         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 17 help.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 37 Self deletion via cmd delete 17->37 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Tries to detect virtualization through RDTSC time measurements 17->43 23 cmd.exe 1 17->23         started        31 izakgrove.com 192.185.224.56, 49760, 80 UNIFIEDLAYER-AS-1US United States 20->31 33 www.stockdata.systems 3.64.163.50, 49764, 80 AMAZON-02US United States 20->33 35 3 other IPs or domains 20->35 45 System process connects to network (likely due to code injection or exploit) 20->45 signatures11 process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-02 05:45:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 27 (74.07%)
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:
4b1b8b293195294b81bcc932baac32fc814c63f94659611e169fffbf34c827a7
MD5 hash:
12eaf60041939e71a715e4493ad2006f
SHA1 hash:
a8748bb6019c1ef0068d3f2dc9577d097236d9d9
SH256 hash:
452f393638dd525068b71a5748b7753d90c5020e42c74c7a73b999f7d7bc29c7
MD5 hash:
848c3e6ffc675018fa49b4d6c587b05d
SHA1 hash:
9bccda534339f05ea8d0121a22b75f537541924f
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
SH256 hash:
e491a74423f2a4223b1f1900df1a3bf09348f0306c2eea32d2c7019950d78936
MD5 hash:
96687c9f25a117235bc0a972dc3b7826
SHA1 hash:
0acccbcad9ebae08fce20be2334680ac3351738f
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.

  
Delivery method
Other

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