MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b4ae3511a344b0417708b8bb5765da86678d5a8c4d87a367eec42937d242965. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 2b4ae3511a344b0417708b8bb5765da86678d5a8c4d87a367eec42937d242965
SHA3-384 hash: af6e66dddc602a245359d3a621c11705cbbfe1a2868a46650cf1860a215405fdbc2be9cf9752f66c6c0cda748b5abb03
SHA1 hash: 7ad885e3dbff070d46b8c6ef0643114b15f70767
MD5 hash: 22ef345a694c39c67094ec45cd7b3ac1
humanhash: potato-fruit-diet-green
File name:Purchase_Order.exe
Download: download sample
Signature Formbook
File size:1'053'184 bytes
First seen:2022-03-24 07:55:46 UTC
Last seen:2022-03-24 09:44:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:qFnXmChFwnv5i5W9v03IWrHpYXgzjoNvGoyuocIYnRbuojanqK:kXmChFwnv5vv03I6pK20tPo9Yban
TLSH T11625124A73DAC516CC2F0BF2008B97128B722EB7A413D75EBDC827CE6751742065AAD7
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
273
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
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe 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 method to dynamically call methods (often used by packers)
.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 domain / URL
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 ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 596041 Sample: Purchase_Order.exe Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 33 www.youngliving1.com 2->33 35 www.onestopfitnfine.com 2->35 37 onestopfitnfine.com 2->37 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 10 other signatures 2->47 11 Purchase_Order.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\Purchase_Order.exe.log, ASCII 11->31 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 39 www.48411.xyz 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 ipconfig to lookup or modify the Windows network settings 18->53 22 ipconfig.exe 18->22         started        25 autofmt.exe 18->25         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 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-03-24 07:58:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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
Program crash
Suspicious use of SetThreadContext
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:
dc5c057b0ee1eb079cf189762aac69f0d86338ea18795dc4fbf7ed9b5a45c2eb
MD5 hash:
4103ed94f4747b30e166cf3c25416f47
SHA1 hash:
d553a67056e94f60d621ca42dcecd6d93f9ef1ad
SH256 hash:
064739759d4b86ab842029e6c9bb9993a463b8c26f56d5283e9b7d5f15a47639
MD5 hash:
79eca298b948ff7f7e4db68ba593895c
SHA1 hash:
510d3511ebfec95ed58a5011dfc1f3551b3b55f6
SH256 hash:
d82bc61450cd0c70210303dd40c4e8f395cd0ebd695091fd185e40c95c1001fd
MD5 hash:
ccb3c6931e667365b10469318a6e8e98
SHA1 hash:
11329932dd7617c1e9cca4f60d1391342f20a949
SH256 hash:
2b4ae3511a344b0417708b8bb5765da86678d5a8c4d87a367eec42937d242965
MD5 hash:
22ef345a694c39c67094ec45cd7b3ac1
SHA1 hash:
7ad885e3dbff070d46b8c6ef0643114b15f70767
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 2b4ae3511a344b0417708b8bb5765da86678d5a8c4d87a367eec42937d242965

(this sample)

  
Delivery method
Distributed via e-mail attachment

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