MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dda62be10b5d6c904c056f244d721e7dfc5bd60d033992a4763fb1105e0c334f. 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: dda62be10b5d6c904c056f244d721e7dfc5bd60d033992a4763fb1105e0c334f
SHA3-384 hash: c9257469833dc654e03b346f72eb30e0b542b840e11183190fbada4255f8e7266081d9b4a0ac27603885c9b5ccc9a5c8
SHA1 hash: 2fd97128e9f09390d9260b650fe028690aa22c3d
MD5 hash: 2791efe4baf745bb5ead83f0099fc9e5
humanhash: bulldog-hot-kentucky-single
File name:documents for July consumptions.exe
Download: download sample
Signature FormBook
File size:393'728 bytes
First seen:2020-08-05 07:59:16 UTC
Last seen:2020-08-12 10:07:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:B01f7xXsDwrsSaJM0RaZknQWd1jiPp6f:B6xXsDwrsS/3knf1js
Threatray 5'103 similar samples on MalwareBazaar
TLSH 0284E01C3660A15EF6BA1E7F5D3104839E26F80FDE2AD64B69B015BC057E69CAD30F60
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: enemomni.com
Sending IP: 103.133.106.216
From: Nipen Das <oceanexport.sage@enemomni.com>
Subject: July Consumption
Attachment: documents for July consumptions.r00 (contains "documents for July consumptions.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected FormBook malware
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
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)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 257480 Sample: documents for July consumpt... Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 49 www.brighthmls.com 2->49 57 Malicious sample detected (through community Yara rule) 2->57 59 Yara detected AntiVM_3 2->59 61 Yara detected FormBook 2->61 63 6 other signatures 2->63 11 documents for July consumptions.exe 1 2->11         started        signatures3 process4 file5 47 documents for July consumptions.exe.log, ASCII 11->47 dropped 77 Writes to foreign memory regions 11->77 79 Allocates memory in foreign processes 11->79 81 Injects a PE file into a foreign processes 11->81 15 RegSvcs.exe 11->15         started        18 RegSvcs.exe 11->18         started        signatures6 process7 signatures8 83 Modifies the context of a thread in another process (thread injection) 15->83 85 Maps a DLL or memory area into another process 15->85 87 Sample uses process hollowing technique 15->87 89 Queues an APC in another process (thread injection) 15->89 20 explorer.exe 3 6 15->20 injected 91 Tries to detect virtualization through RDTSC time measurements 18->91 process9 dnsIp10 51 www.heritage-japan.com 150.95.255.38, 49757, 80 INTERQGMOInternetIncJP Japan 20->51 53 queenpiececustoms.com 192.186.207.198, 49758, 49759, 49760 AS-26496-GO-DADDY-COM-LLCUS United States 20->53 55 2 other IPs or domains 20->55 41 C:\Users\user\AppData\...\4hd0v4npe8rd.exe, PE32 20->41 dropped 65 System process connects to network (likely due to code injection or exploit) 20->65 67 Benign windows process drops PE files 20->67 25 wlanext.exe 1 17 20->25         started        29 4hd0v4npe8rd.exe 2 20->29         started        31 4hd0v4npe8rd.exe 1 20->31         started        file11 signatures12 process13 file14 43 C:\Users\user\AppData\...\34Plogrv.ini, data 25->43 dropped 45 C:\Users\user\AppData\...\34Plogri.ini, data 25->45 dropped 69 Detected FormBook malware 25->69 71 Tries to steal Mail credentials (via file access) 25->71 73 Tries to harvest and steal browser information (history, passwords, etc) 25->73 75 3 other signatures 25->75 33 cmd.exe 1 25->33         started        35 conhost.exe 29->35         started        37 conhost.exe 31->37         started        signatures15 process16 process17 39 conhost.exe 33->39         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-05 02:09:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Enumerates system info in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SetThreadContext
Formbook Payload
Formbook
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 dda62be10b5d6c904c056f244d721e7dfc5bd60d033992a4763fb1105e0c334f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments