MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 930759b9b35cdcfbdd7196aecb009374c34a02a142b67c99d07da2918e9aa341. 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 3 File information Comments

SHA256 hash: 930759b9b35cdcfbdd7196aecb009374c34a02a142b67c99d07da2918e9aa341
SHA3-384 hash: d82c77486ca6066ac84c72cc40c3d64afdd80b5405ded3dd3639307c8e9e024e3f0328bdccf60e9f6d8fa69561d135eb
SHA1 hash: 1e5ea83ec92485cdd8839c9b3232871a5ae03f34
MD5 hash: c35c64ff82e0716fd47b3bdc6ff93383
humanhash: romeo-red-eight-item
File name:Nová objednávka na duben.pdf.exe
Download: download sample
Signature Formbook
File size:916'480 bytes
First seen:2022-04-12 05:25:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:RXzWIpVIhtCd8+aE2ivssNEQ3VLhARJ8/LMi5Z3I1:RHIhIraEPEsNEQCELMi5Z3I
Threatray 14'190 similar samples on MalwareBazaar
TLSH T1AE15F100F6759A0AC17C0EF388A546AB4BB1C416E412D7DB3FF9364A8922F9B3C75647
File icon (PE):PE icon
dhash icon 71e89ebab2aeec70 (14 x AgentTesla, 13 x Loki, 13 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe greyware obfuscated packed remote.exe replace.exe update.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
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
Injects a PE file into a foreign processes
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Svchost Process
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
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 607540 Sample: Nov#U00e1 objedn#U00e1vka n... Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 43 www.freshlyhair.com 2->43 45 parkingpage.namecheap.com 2->45 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 18 other signatures 2->57 11 Nov#U00e1 objedn#U00e1vka na duben.pdf.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\wOGvXAfGmz.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmp2BAB.tmp, XML 11->39 dropped 41 Nov#U00e1 objedn#U...a duben.pdf.exe.log, ASCII 11->41 dropped 61 Writes to foreign memory regions 11->61 63 Allocates memory in foreign processes 11->63 65 Adds a directory exclusion to Windows Defender 11->65 67 Injects a PE file into a foreign processes 11->67 15 RegSvcs.exe 11->15         started        18 powershell.exe 23 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 2 other signatures 15->81 22 explorer.exe 3 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 47 www.pettras.com 22->47 49 pettras.com 34.102.136.180, 49797, 80 GOOGLEUS United States 22->49 59 System process connects to network (likely due to code injection or exploit) 22->59 30 svchost.exe 22->30         started        signatures11 process12 signatures13 69 Modifies the context of a thread in another process (thread injection) 30->69 71 Maps a DLL or memory area into another process 30->71 73 Tries to detect virtualization through RDTSC time measurements 30->73 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-11 13:21:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
55387d8366303a794ee0f3d71a04617f0f1ee9c67a55c913f9b6b870efa123b8
MD5 hash:
c7a79737aa6d4fadfac3b251d48773c4
SHA1 hash:
1afbe9593ed76bd2edb0e0dba4512eb3c8d43fb3
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
007694272e71c5aa5e99bee9e6f9a48bd591a5f1d84f7e4d82b86d32570815b0
MD5 hash:
df10f342c5a36206cae9c53f0fbda9dd
SHA1 hash:
fc0e8645a7ed3fe8eb6a6ec45e34753baa2b1461
SH256 hash:
fd2b42244e663c00f716e147426c9e4c670d02afafee9b20745af876152fc065
MD5 hash:
001f2aaf193069ceeff118717206c259
SHA1 hash:
b9d96f5847406d593690a199d4b08047905d5271
SH256 hash:
e52ff0984daead65e35e8dbed34925a0c5f6e150bb6c363d188abfe610c415a3
MD5 hash:
45ae8ec09647ce2294b72cafb49ccdc0
SHA1 hash:
772416a36b86e6ccd782c796fb4d3aac67112b72
SH256 hash:
930759b9b35cdcfbdd7196aecb009374c34a02a142b67c99d07da2918e9aa341
MD5 hash:
c35c64ff82e0716fd47b3bdc6ff93383
SHA1 hash:
1e5ea83ec92485cdd8839c9b3232871a5ae03f34
Malware family:
FormBook
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 930759b9b35cdcfbdd7196aecb009374c34a02a142b67c99d07da2918e9aa341

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments