MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ad4a02a1f907b8036b9bea0fd940bfb47435964b23ffae577080823c86500dd. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ad4a02a1f907b8036b9bea0fd940bfb47435964b23ffae577080823c86500dd
SHA3-384 hash: ac0de93148ed0039e22e0324123c0c5f122105fe74a86bfe7a057f18578bdf2917afd53d82dbb19ae984effe7aea3d7f
SHA1 hash: e5cf4b696cb785b825322f84cf66c299c27f4068
MD5 hash: 9d317210a5afb36bb85856718b96e1ef
humanhash: ack-arizona-papa-ceiling
File name:Confirmation Copy 11.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:532'992 bytes
First seen:2020-07-31 11:48:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:5I9jr2g0Ef5fCqeqU27B1BeRZz8Xd4FqWMqp58ruSHEvTL:5I9jr2g0OU27B1BqlLE6SkH
Threatray 5'094 similar samples on MalwareBazaar
TLSH 79B48D4DA2D10247F004377ACEBD6E5B8A60D83E31C2D7D7B271364BE9B479518B293A
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: itproserv.gr
Sending IP: 138.201.137.146
From: Giovanni <accounting@gadingcakrawala.com>
Reply-To: hopps@kiwibeachresorts.it
Subject: Re: Bookings
Attachment: Confirmation Copy 11.rar (contains "Confirmation Copy 11.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/36476/
Detection(s):
SecuriteInfo.com.Generic.mg.9d317210a5afb36b.18573.UNOFFICIAL
Create hunting rule

Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/405996
Signature
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255345 Sample: Confirmation Copy 11.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 54 www.regulars6.com 2->54 56 www.davidguner.com 2->56 58 3 other IPs or domains 2->58 66 Malicious sample detected (through community Yara rule) 2->66 68 Yara detected AntiVM_3 2->68 70 Yara detected FormBook 2->70 72 7 other signatures 2->72 11 Confirmation Copy 11.exe 3 2->11         started        signatures3 process4 file5 52 C:\Users\...\Confirmation Copy 11.exe.log, ASCII 11->52 dropped 96 Injects a PE file into a foreign processes 11->96 15 Confirmation Copy 11.exe 11->15         started        signatures6 process7 signatures8 98 Modifies the context of a thread in another process (thread injection) 15->98 100 Maps a DLL or memory area into another process 15->100 102 Sample uses process hollowing technique 15->102 104 Queues an APC in another process (thread injection) 15->104 18 explorer.exe 4 6 15->18 injected process9 dnsIp10 60 priyaladiestailor.com 103.129.98.58, 49722, 80 ZINIOSS-AS-INZiniosInformationTechnologyPvtLtdIN India 18->60 62 hikmetamca.com 93.89.226.17, 49731, 49732, 49733 TR-FBSTR Turkey 18->62 64 2 other IPs or domains 18->64 46 C:\Users\user\AppData\...\t6yxufwxmtal2dj.exe, PE32 18->46 dropped 80 System process connects to network (likely due to code injection or exploit) 18->80 82 Benign windows process drops PE files 18->82 23 ipconfig.exe 1 17 18->23         started        27 t6yxufwxmtal2dj.exe 2 18->27         started        29 t6yxufwxmtal2dj.exe 3 18->29         started        31 2 other processes 18->31 file11 signatures12 process13 file14 48 C:\Users\user\AppData\...\3M1logrv.ini, data 23->48 dropped 50 C:\Users\user\AppData\...\3M1logri.ini, data 23->50 dropped 84 Detected FormBook malware 23->84 86 Tries to steal Mail credentials (via file access) 23->86 88 Tries to harvest and steal browser information (history, passwords, etc) 23->88 94 2 other signatures 23->94 33 cmd.exe 1 23->33         started        90 Injects a PE file into a foreign processes 27->90 35 t6yxufwxmtal2dj.exe 27->35         started        38 t6yxufwxmtal2dj.exe 27->38         started        40 t6yxufwxmtal2dj.exe 27->40         started        42 t6yxufwxmtal2dj.exe 29->42         started        92 Tries to detect virtualization through RDTSC time measurements 31->92 signatures15 process16 signatures17 44 conhost.exe 33->44         started        74 Modifies the context of a thread in another process (thread injection) 42->74 76 Maps a DLL or memory area into another process 42->76 78 Sample uses process hollowing technique 42->78 process18
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2ad4a02a1f907b8036b9bea0fd940bfb47435964b23ffae577080823c86500dd/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-31 11:50:11 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=flkkakq7sb5yanvzx2qp3fal7ndugwlewi77vzlxbaechsdfadoq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0098bf2ef8230d9bb30b451868272ffb271fe63a8c248bfc9ce569991c19f279
FormBook
160c5ec01e302b73f84895263a7ab3b2cfbdb70598f0d338c1b196afb3f16bc4
FormBook
275537d87441c354b859273e0729177d78f185bebdd9a86fac240a3f168a80a3
FormBook
2b12d292ec4052f1e9d0c407fa6e522c945fda64796468f681c37ed68a25284a
FormBook
2cb2db5123d7c8cce87537dd8de3a48ba93b6b6ee23fa14398355173741f8c40
FormBook
4fc219b61d4c1ec456ac76af0a82dcfde187dcab2b015a277c6ee96b04930091
FormBook
8c3ab3dfe110988d790808121453336342297777bdac96a10d317bab2b0de2c6
FormBook
bfa0531240e8ae03aee76df45f9e4c8748ad739a63f47c81269d7b2ca05fc329
FormBook
e1103e6f026f85275a21a6263a141142a733a222c923fa7232c4c9935681e91d
FormBook
e8edf009c1c82f348ad925f7f9a34b4f241d52240c6cb43ab4536c4b363d5322
FormBook
+ 5'084 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence spyware evasion trojan stealer family:formbook
Link:
https://tria.ge/reports/200731-823kfjmmm2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
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.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2ad4a02a1f907b8036b9bea0fd940bfb47435964b23ffae577080823c86500dd

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

FormBook

rar 8a224f6dfdbce751c787bcf574b19e7c20aefb34c9c5b32fd1446b964e550ddc

FormBook

Executable exe 2ad4a02a1f907b8036b9bea0fd940bfb47435964b23ffae577080823c86500dd

(this sample)

  
Dropped by
MD5 0ab230bac14cb1a3c3a9df9dd5b4e436
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/36476/
  
Dropped by
SHA256 8a224f6dfdbce751c787bcf574b19e7c20aefb34c9c5b32fd1446b964e550ddc

Comments