MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b12d292ec4052f1e9d0c407fa6e522c945fda64796468f681c37ed68a25284a. 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: 2b12d292ec4052f1e9d0c407fa6e522c945fda64796468f681c37ed68a25284a
SHA3-384 hash: 159340f1e17152dbbeda8eab78deee20119e883c3142ea580f07c05911e2fc56935e9504c39411ece0b54ad088e1dcea
SHA1 hash: 5b6325b74f24c8bebccae0846bfba388218359d3
MD5 hash: 83db73572d1761db20a9c68dce684d90
humanhash: lamp-bacon-winner-coffee
File name:Confirmation copy 112WSDGB.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:512'000 bytes
First seen:2020-08-14 09:36:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Wvbo5YrYrjuHtYOl46vl3xOQNED/LiA7oD/goXir/LjOnCel9ifqIJbdM:WvbotqY446vlhOvmD/qr/XOnCelU
Threatray 2'240 similar samples on MalwareBazaar
TLSH 61B48D1E53B08247E01BFB39C26D7E0A71E21C7D34C1D7D4B5A93A5BAEA07E6143346A
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

From: "All Ways Travel" <accounting@gadingcakrawala.com>
Reply-To: booking2@euroclubtravel.com
Subject: Re: Confirmation bookings
Attachment: Confirmation copy 112WSDGB.rar (contains "Confirmation copy 112WSDGB.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45722/
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
Setting browser functions hooks
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/429231
Signature
Benign windows process drops PE files
Binary contains a suspicious time stamp
Detected FormBook malware
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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 267095 Sample: Confirmation copy 112WSDGB.exe Startdate: 15/08/2020 Architecture: WINDOWS Score: 100 39 www.minimalistvineyards.com 2->39 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected AntiVM_3 2->49 51 5 other signatures 2->51 11 Confirmation copy 112WSDGB.exe 3 2->11         started        signatures3 process4 process5 13 Confirmation copy 112WSDGB.exe 11->13         started        16 Confirmation copy 112WSDGB.exe 11->16         started        signatures6 65 Modifies the context of a thread in another process (thread injection) 13->65 67 Maps a DLL or memory area into another process 13->67 69 Sample uses process hollowing technique 13->69 71 Queues an APC in another process (thread injection) 13->71 18 explorer.exe 1 6 13->18 injected process7 dnsIp8 41 www.creditoefectivo.info 185.53.178.54, 49748, 80 TEAMINTERNET-ASDE Germany 18->41 43 www.libero-networks.net 18->43 33 C:\Users\user\AppData\...\8pj8llxdx8yn.exe, PE32 18->33 dropped 53 System process connects to network (likely due to code injection or exploit) 18->53 55 Benign windows process drops PE files 18->55 23 control.exe 1 17 18->23         started        27 8pj8llxdx8yn.exe 18->27         started        file9 signatures10 process11 file12 35 C:\Users\user\AppData\...\-M-logrv.ini, data 23->35 dropped 37 C:\Users\user\AppData\...\-M-logri.ini, data 23->37 dropped 57 Detected FormBook malware 23->57 59 Tries to steal Mail credentials (via file access) 23->59 61 Tries to harvest and steal browser information (history, passwords, etc) 23->61 63 3 other signatures 23->63 29 cmd.exe 1 23->29         started        signatures13 process14 process15 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b12d292ec4052f1e9d0c407fa6e522c945fda64796468f681c37ed68a25284a/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 09:38:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmjnfexmibjpd2oqyqd7u3ssfskf7wtepfsgr5ubyn7nncrffbfa._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
275537d87441c354b859273e0729177d78f185bebdd9a86fac240a3f168a80a3
FormBook
2ad4a02a1f907b8036b9bea0fd940bfb47435964b23ffae577080823c86500dd
FormBook
2cb2db5123d7c8cce87537dd8de3a48ba93b6b6ee23fa14398355173741f8c40
FormBook
30efd997c49aae97766539c72d72529b06f1e8522ea84e71758cde4ed1846921
FormBook
4fc219b61d4c1ec456ac76af0a82dcfde187dcab2b015a277c6ee96b04930091
FormBook
9daa8e87928b88143b9482b989764524754c86d142027ccaad1fc452f52c1765
FormBook
a696a4e34ae22386e2759a75b90f5990501c2cbbb529036f8ec124b8fb9f6c77
FormBook
b9cd83c667b694ec10f884183b138beeb0f986a7d3c50af463535852f2fa0663
FormBook
e1103e6f026f85275a21a6263a141142a733a222c923fa7232c4c9935681e91d
FormBook
ec34c3db0d2c865486e52760c0d35dab95adcb3544f2e03f5023495d112d64ba
FormBook
+ 2'230 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat spyware trojan stealer family:formbook persistence
Link:
https://tria.ge/reports/200814-wwmaap85tj/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.regulars6.com/3iw/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/2b12d292ec4052f1e9d0c407fa6e522c945fda64796468f681c37ed68a25284a

File information

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

Malspam

FormBook

rar 5525d35ac9307725267a441901efc9265cd575b3014ae02e5203c2a8e02241be

FormBook

Executable exe 2b12d292ec4052f1e9d0c407fa6e522c945fda64796468f681c37ed68a25284a

(this sample)

  
Dropped by
MD5 24bb1465e05d95b1308dae7353cc2526
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45722/
  
Dropped by
SHA256 5525d35ac9307725267a441901efc9265cd575b3014ae02e5203c2a8e02241be

Comments