MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6e562d91aecb4f9ee29779f6d23d4de1e58460e5d3e15182ff1c1ff0ce76610. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: a6e562d91aecb4f9ee29779f6d23d4de1e58460e5d3e15182ff1c1ff0ce76610
SHA3-384 hash: 4e04cca5d4e48e9d4c185e734488b9d5290c3e92a01bc38357b404ba3f546dcb71ee753df80da9ee4e590c248207a5fe
SHA1 hash: 06b6d447a82495e2fdeb06c951afda8fd9ad4ea7
MD5 hash: c04faa727c9497f694a424e45b5b44fe
humanhash: fifteen-johnny-hydrogen-louisiana
File name:Sample__IMG.exe
Download: download sample
Signature FormBook
File size:543'232 bytes
First seen:2020-08-17 08:08:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:T31WlK8G2Oe+zgX8QNlRDWm9tH6K7XHVl+qak:TYK8ie+bQNvDWm9taiXKB
Threatray 2'527 similar samples on MalwareBazaar
TLSH A1C412D2BAD0C211C37A19BD8D9632500372F5E6B02DEB2DFC9A279496D03E58947DF2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: zmxrelay.ifxnetworks.com
Sending IP: 200.91.200.67
From: gestion humana <gestionhumana@sotrandes.com>
Subject: ORDER CONFIRMATION
Attachment: Sample__IMG.rar (contains "Sample__IMG.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 268717 Sample: Sample__IMG.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 42 www.vatugo.com 2->42 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 Yara detected AntiVM_3 2->54 56 8 other signatures 2->56 9 Sample__IMG.exe 7 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\swlOoBOrgFw.exe, PE32 9->30 dropped 32 C:\Users\...\swlOoBOrgFw.exe:Zone.Identifier, ASCII 9->32 dropped 34 C:\Users\user\AppData\Local\...\tmp8030.tmp, XML 9->34 dropped 36 C:\Users\user\AppData\...\Sample__IMG.exe.log, ASCII 9->36 dropped 60 Tries to detect virtualization through RDTSC time measurements 9->60 62 Injects a PE file into a foreign processes 9->62 13 Sample__IMG.exe 9->13         started        16 schtasks.exe 1 9->16         started        18 Sample__IMG.exe 9->18         started        signatures6 process7 signatures8 72 Modifies the context of a thread in another process (thread injection) 13->72 74 Maps a DLL or memory area into another process 13->74 76 Sample uses process hollowing technique 13->76 78 Queues an APC in another process (thread injection) 13->78 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        process9 dnsIp10 44 www.delmorning.com 46.137.212.201, 49738, 49739, 49740 AMAZON-02US Ireland 20->44 46 www.shliangxi.com 20->46 48 2 other IPs or domains 20->48 58 System process connects to network (likely due to code injection or exploit) 20->58 26 wlanext.exe 17 20->26         started        signatures11 process12 file13 38 C:\Users\user\AppData\...\K6-logrv.ini, data 26->38 dropped 40 C:\Users\user\AppData\...\K6-logri.ini, data 26->40 dropped 64 Detected FormBook malware 26->64 66 Tries to steal Mail credentials (via file access) 26->66 68 Tries to harvest and steal browser information (history, passwords, etc) 26->68 70 3 other signatures 26->70 signatures14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-17 01:57:30 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat spyware trojan stealer family:formbook
Behaviour
Creates scheduled task(s)
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 WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.doneym.com/bll/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

FormBook

Executable exe a6e562d91aecb4f9ee29779f6d23d4de1e58460e5d3e15182ff1c1ff0ce76610

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments