MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d826e50de7b11772bc48d32d0f75b72a7975e469cfe9583a51edbd9bbaa58387. 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: d826e50de7b11772bc48d32d0f75b72a7975e469cfe9583a51edbd9bbaa58387
SHA3-384 hash: 2c19c3e1f5a14f9e3d591cdbf8aee5b60a902a707ac7c1105d38dc29ca16b7875835496dded99c6fada6184119663898
SHA1 hash: 5eba893bf36ed7f50f9bc052c43467bcd282cc01
MD5 hash: 3cde6dd23395bf36602aeb3c8aab463f
humanhash: charlie-victor-sierra-maine
File name:Vessel details.exe
Download: download sample
Signature FormBook
File size:1'212'416 bytes
First seen:2020-08-05 07:52:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:C2+/HQsY67WTmPF2EA1jDoHA71kzgTctpwKpwNEiH5Nx:C2+/wg7W6PF2EwfoHKegTctpRpeEi1
Threatray 5'131 similar samples on MalwareBazaar
TLSH 4445D0A16904CF60EC7E173134375840D7F3BE1AEE70F60EBD9571A91BB36864926B0A
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: mail.esipooaintl.cf
Sending IP: 161.129.67.157
From: Huang Biyu <biyu.huang@sg.wilmar-intl.com>
Subject: MV PRINCESS SUZAN - AGENCY NOMINATION /DISCHARGING
Attachment: Vessel details.zip (contains "Vessel details.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Detected FormBook malware
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
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 ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 257463 Sample: Vessel details.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 57 www.payingpremiums.com 2->57 65 Malicious sample detected (through community Yara rule) 2->65 67 Yara detected AntiVM_3 2->67 69 Yara detected FormBook 2->69 71 6 other signatures 2->71 11 Vessel details.exe 3 2->11         started        signatures3 process4 file5 49 C:\Users\user\...\Vessel details.exe.log, ASCII 11->49 dropped 14 Vessel details.exe 11->14         started        process6 signatures7 89 Modifies the context of a thread in another process (thread injection) 14->89 91 Maps a DLL or memory area into another process 14->91 93 Sample uses process hollowing technique 14->93 95 Queues an APC in another process (thread injection) 14->95 17 explorer.exe 3 6 14->17 injected process8 dnsIp9 51 scotta-b-good.com 162.241.218.178, 49741, 49742, 49743 UNIFIEDLAYER-AS-1US United States 17->51 53 electrictractorinc.com 192.0.78.24, 49740, 80 AUTOMATTICUS United States 17->53 55 3 other IPs or domains 17->55 43 C:\Users\user\AppData\Local\...\useror9l.exe, PE32 17->43 dropped 73 System process connects to network (likely due to code injection or exploit) 17->73 75 Benign windows process drops PE files 17->75 22 ipconfig.exe 17->22         started        26 useror9l.exe 17->26         started        28 useror9l.exe 17->28         started        30 2 other processes 17->30 file10 signatures11 process12 file13 45 C:\Users\user\AppData\...\36Alogrv.ini, data 22->45 dropped 47 C:\Users\user\AppData\...\36Alogri.ini, data 22->47 dropped 77 Detected FormBook malware 22->77 79 Tries to steal Mail credentials (via file access) 22->79 81 Tries to harvest and steal browser information (history, passwords, etc) 22->81 87 2 other signatures 22->87 32 cmd.exe 22->32         started        83 Injects a PE file into a foreign processes 26->83 34 useror9l.exe 26->34         started        37 useror9l.exe 26->37         started        39 useror9l.exe 28->39         started        85 Tries to detect virtualization through RDTSC time measurements 30->85 signatures14 process15 signatures16 41 conhost.exe 32->41         started        59 Modifies the context of a thread in another process (thread injection) 34->59 61 Maps a DLL or memory area into another process 34->61 63 Sample uses process hollowing technique 34->63 process17
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-05 00:29:37 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat persistence spyware evasion trojan stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
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 d826e50de7b11772bc48d32d0f75b72a7975e469cfe9583a51edbd9bbaa58387

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments