MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f05200e09f38d2197fb48d265bcd4d050131f688ce51cf86478192df100d675. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 2f05200e09f38d2197fb48d265bcd4d050131f688ce51cf86478192df100d675
SHA3-384 hash: b9c592928f88e6197bdcc1d711786afd74f5ab277f0ddf238f36aa02c01e7f2610f3aeba647bce9024f0211c73753f76
SHA1 hash: c15e6c76cc4448a4f27ade1a70c4aaf2486503e6
MD5 hash: e33828622c9d953e1e5ad7a3b16d2b77
humanhash: gee-comet-river-lion
File name:Mensaje SWIFT.exe
Download: download sample
Signature Formbook
File size:1'718'635 bytes
First seen:2020-10-15 10:34:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:UAHnh+eWsN3skA4RV1Hom2KXMmHarWXswiLCMCEdnOmXE/eb6CJdXMRB57f:jh+ZkldoPK8YayXviVC6OVcMr
Threatray 48 similar samples on MalwareBazaar
TLSH A985AF0227A4E1AEFE9663724E07EA006679A5F444227A1EA3DC1FFCE47C47D713E152
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: bosmailout05.eigbox.net
Sending IP: 66.96.189.5
From: johnson <egarfias@assic.com.mx>
Subject: RE: Material Listo POR QUE PAQUETERIA? SWIFT
Attachment: Mensaje SWIFT.zip (contains "Mensaje SWIFT.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a process from a recently created file
Creating a window
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 298494 Sample: Mensaje SWIFT.exe Startdate: 15/10/2020 Architecture: WINDOWS Score: 100 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for dropped file 2->65 67 Antivirus / Scanner detection for submitted sample 2->67 69 9 other signatures 2->69 11 wscript.exe 1 2->11         started        13 Mensaje SWIFT.exe 5 2->13         started        process3 file4 16 RdpSaProxy.exe 1 11->16         started        45 C:\Users\user\Desktop\Mensaje SWIFTmgr.exe, PE32 13->45 dropped 47 C:\Users\user\...\RdpSaProxy.exe, PE32 13->47 dropped 49 C:\Users\user\...\MicrosoftEdgeBCHost.url, MS 13->49 dropped 20 Mensaje SWIFTmgr.exe 13->20         started        process5 file6 43 C:\Users\user\...\RdpSaProxymgr.exe, PE32 16->43 dropped 55 Antivirus detection for dropped file 16->55 57 Multi AV Scanner detection for dropped file 16->57 59 Binary is likely a compiled AutoIt script file 16->59 61 2 other signatures 16->61 22 RdpSaProxy.exe 16->22         started        25 RdpSaProxymgr.exe 16->25         started        27 RdpSaProxy.exe 16->27         started        29 WerFault.exe 23 9 20->29         started        signatures7 process8 signatures9 77 Modifies the context of a thread in another process (thread injection) 22->77 79 Maps a DLL or memory area into another process 22->79 81 Sample uses process hollowing technique 22->81 83 Queues an APC in another process (thread injection) 22->83 31 explorer.exe 22->31 injected 85 Antivirus detection for dropped file 25->85 87 Multi AV Scanner detection for dropped file 25->87 89 Machine Learning detection for dropped file 25->89 34 WerFault.exe 19 9 25->34         started        process10 dnsIp11 51 www.wwwswty6655.com 31->51 36 wlanext.exe 31->36         started        53 192.168.2.1 unknown unknown 34->53 process12 signatures13 71 Modifies the context of a thread in another process (thread injection) 36->71 73 Maps a DLL or memory area into another process 36->73 75 Tries to detect virtualization through RDTSC time measurements 36->75 39 cmd.exe 1 36->39         started        process14 process15 41 conhost.exe 39->41         started       
Threat name:
Win32.Worm.Ramnit
Status:
Malicious
First seen:
2020-10-14 10:54:57 UTC
AV detection:
29 of 29 (100.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
upx rat persistence spyware trojan stealer family:formbook
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
UPX packed file
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.joomlas123.info/n7ak/
Unpacked files
SH256 hash:
2f05200e09f38d2197fb48d265bcd4d050131f688ce51cf86478192df100d675
MD5 hash:
e33828622c9d953e1e5ad7a3b16d2b77
SHA1 hash:
c15e6c76cc4448a4f27ade1a70c4aaf2486503e6
SH256 hash:
2e774712cc111cd4eb3a59b5a6f58fa2be9080813ed316f75bf99cdc66f60692
MD5 hash:
0fbea7227adab7d43daa5c3d1645bb1d
SHA1 hash:
536b3c19db69d59f55b55e2b79760b7c5fcced6b
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

File information


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

Malspam

Formbook

Executable exe 2f05200e09f38d2197fb48d265bcd4d050131f688ce51cf86478192df100d675

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments