MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3262e18e77da24473b5af2117f10a3121c8ed1a832c6e1b0f5a8f0d7e5fecda. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: e3262e18e77da24473b5af2117f10a3121c8ed1a832c6e1b0f5a8f0d7e5fecda
SHA3-384 hash: cda8b4948b9fc167b7853cf71f73f114daa8b3d02d1676d2f71636992a1da89f742a39e749a7903f2d6f74d9a6fa65da
SHA1 hash: 2f0939b658ef735025b0c76c20c0101003076529
MD5 hash: f54815ffc4db44ce06b3012f9d014f31
humanhash: mobile-muppet-shade-saturn
File name:orden de compra.exe
Download: download sample
Signature FormBook
File size:531'456 bytes
First seen:2020-08-12 18:59:59 UTC
Last seen:2020-08-12 20:01:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:tBHiDNYGQIy51lvluQWI6jejL8AkSUbtJMU9cBslbDeS/Ao3OZn25jyVtu9g2258:0N25fz2eZkSiNbkobhQum7NjF+j4VB
Threatray 4'953 similar samples on MalwareBazaar
TLSH 16B4F03137E65A10C76D4EB1056300402BB6391BEF69C74E2D8A71DE187EBB87291F9B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: server107.neubox.net
Sending IP: 174.136.28.112
From: Juan Briceno <proveedores@promedic.com.mx>
Subject: Re: orden de compra
Attachment: orden de compra.zip (contains "orden de compra.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
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: 264347 Sample: orden de compra.exe Startdate: 13/08/2020 Architecture: WINDOWS Score: 100 39 www.weeip.com 2->39 47 Malicious sample detected (through community Yara rule) 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 Yara detected AntiVM_3 2->51 53 7 other signatures 2->53 11 orden de compra.exe 7 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\mAPeycREvI.exe, PE32 11->31 dropped 33 C:\Users\...\mAPeycREvI.exe:Zone.Identifier, ASCII 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmp3E3A.tmp, XML 11->35 dropped 37 C:\Users\user\...\orden de compra.exe.log, ASCII 11->37 dropped 14 RegSvcs.exe 11->14         started        17 schtasks.exe 1 11->17         started        process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 2 other signatures 14->67 19 explorer.exe 14->19 injected 22 conhost.exe 17->22         started        process8 dnsIp9 41 www.levelretail.com 19->41 43 www.chaiseloungereviews.com 19->43 45 www.alfaranakle.com 19->45 24 netsh.exe 19->24         started        process10 signatures11 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-12 19:01:06 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat spyware trojan stealer family:formbook persistence
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
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fex-tracks.com/kvsz/
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 e3262e18e77da24473b5af2117f10a3121c8ed1a832c6e1b0f5a8f0d7e5fecda

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments