MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9105883e8b27ee7cfbe161616f341841f2b7e8c36f5d2b11796e0b002d86ad8. 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: f9105883e8b27ee7cfbe161616f341841f2b7e8c36f5d2b11796e0b002d86ad8
SHA3-384 hash: fc91992967c307b124f7068785d8213187a385aa8c4140d4e32d41439dfaa70fa8196d55b1973c9fc58778f844298ff2
SHA1 hash: 670d97686fced6266b1e0f83e743a4954da588f6
MD5 hash: 20ab5fd8a0b7cf071121621eb19c15be
humanhash: washington-fruit-iowa-river
File name:Anekgroup Order.exe
Download: download sample
Signature FormBook
File size:553'984 bytes
First seen:2020-08-19 07:25:18 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:QjcSux/7VlyFY8XBh1UGl1qKxpq8BsWhj:vx/7VYFY8XP1r+s
Threatray 2'492 similar samples on MalwareBazaar
TLSH 1EC4E13732949B54D57B5339CC99A10413FAF807B622DB6EBDDC234C4911BE24B32ADA
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: mail.abusix.invalid
Sending IP: 156.96.59.30
From: Anek Group <naqib@anekgroup.com>
Subject: Delivery Notification
Attachment: Anekgroup Order.zip (contains "Anekgroup Order.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Benign windows process drops PE files
Detected FormBook malware
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)
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: 271003 Sample: Anekgroup Order.exe Startdate: 19/08/2020 Architecture: WINDOWS Score: 100 56 www.ristohotelcastellani.com 2->56 64 Malicious sample detected (through community Yara rule) 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 Yara detected AntiVM_3 2->68 70 7 other signatures 2->70 11 Anekgroup Order.exe 7 2->11         started        signatures3 process4 file5 48 C:\Users\user\AppData\Local\...\tmp2B3D.tmp, XML 11->48 dropped 50 C:\Users\user\AppData\Roaming\PpBwqzJpb.exe, PE32 11->50 dropped 82 Injects a PE file into a foreign processes 11->82 15 Anekgroup Order.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 96 Modifies the context of a thread in another process (thread injection) 15->96 98 Maps a DLL or memory area into another process 15->98 100 Sample uses process hollowing technique 15->100 102 Queues an APC in another process (thread injection) 15->102 20 explorer.exe 1 6 15->20 injected 25 conhost.exe 18->25         started        process9 dnsIp10 58 arttextileduverdon.info 153.126.139.69, 49710, 49711, 80 SAKURA-ASAKURAInternetIncJP Japan 20->58 60 www.mansiobok3.info 162.213.249.180, 49709, 80 NAMECHEAP-NETUS United States 20->60 62 2 other IPs or domains 20->62 46 C:\Users\user\AppData\...\e8tpufwp41d.exe, PE32 20->46 dropped 78 System process connects to network (likely due to code injection or exploit) 20->78 80 Benign windows process drops PE files 20->80 27 chkdsk.exe 1 17 20->27         started        31 e8tpufwp41d.exe 5 20->31         started        33 mstsc.exe 20->33         started        file11 signatures12 process13 file14 52 C:\Users\user\AppData\...5263logrv.ini, data 27->52 dropped 54 C:\Users\user\AppData\...5463logri.ini, data 27->54 dropped 84 Detected FormBook malware 27->84 86 Tries to steal Mail credentials (via file access) 27->86 88 Tries to harvest and steal browser information (history, passwords, etc) 27->88 94 2 other signatures 27->94 35 cmd.exe 1 27->35         started        90 Injects a PE file into a foreign processes 31->90 37 e8tpufwp41d.exe 31->37         started        40 schtasks.exe 31->40         started        92 Tries to detect virtualization through RDTSC time measurements 33->92 signatures15 process16 signatures17 42 conhost.exe 35->42         started        72 Modifies the context of a thread in another process (thread injection) 37->72 74 Maps a DLL or memory area into another process 37->74 76 Sample uses process hollowing technique 37->76 44 conhost.exe 40->44         started        process18
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-08-18 17:34:27 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Creates scheduled task(s)
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.mansiobok3.info/xwqs/
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 f9105883e8b27ee7cfbe161616f341841f2b7e8c36f5d2b11796e0b002d86ad8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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