MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ec51daa2ad133cfcdce1ffca7081f96ee58d9b5c2d302cee732e6e2cc3d8cc6. 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


Intelligence File information Yara Comments

SHA256 hash: 3ec51daa2ad133cfcdce1ffca7081f96ee58d9b5c2d302cee732e6e2cc3d8cc6
SHA3-384 hash: c477ee3a32e45675037505fa82f0d483d68fd76e7349872dc0151a954c216b20a600d33c86f1e3c6486827e7a65ecd1f
SHA1 hash: d5c823bdee28ccf2bd18e683eca270d6c031cb72
MD5 hash: e07d5b6d29e7cae1ea8546b4783601b8
humanhash: football-single-april-jig
File name:REQUERIDA.exe
Download: download sample
Signature Formbook
File size:512'512 bytes
First seen:2020-07-31 11:07:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 6144:4LJnIpdhDLdE23aIPEArm+GESyT5RIaTjJfQ7vcBcUBoGzEzU8JX32x2WxTqqHJS:4NIjhD1PvaEHm4bBF8J2x2WxTq+J9H0
TLSH 27B4D0467540B29EC81B8F7248310C5497A3BD267F26F706AC47B2EDA77F5C78B012A6
Reporter @abuse_ch
Tags:Endurance exe FormBook


Twitter
@abuse_ch
Malspam distributing Formbook:

HELO: 162-241-205-158.unifiedlayer.com
Sending IP: 162.241.205.167
From: Alejandro Lopez - PETROMINERA <Alejandro.Lopez@pmch.com.ar>
Reply-To: Alejandro Lopez - PETROMINERA <Alejandro.Lopez@techie.com>
Subject: RE: COTIZACIÓN REQUERIDA
Attachment: REQUERIDA.zip (contains "REQUERIDA.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
36
Origin country :
US US
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
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)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255317 Sample: REQUERIDA.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 45 g.msn.com 2->45 53 Malicious sample detected (through community Yara rule) 2->53 55 Yara detected AntiVM_3 2->55 57 Yara detected FormBook 2->57 59 5 other signatures 2->59 11 REQUERIDA.exe 3 2->11         started        signatures3 process4 file5 43 C:\Users\user\AppData\...\REQUERIDA.exe.log, ASCII 11->43 dropped 75 Tries to detect virtualization through RDTSC time measurements 11->75 77 Injects a PE file into a foreign processes 11->77 15 REQUERIDA.exe 11->15         started        signatures6 process7 signatures8 79 Modifies the context of a thread in another process (thread injection) 15->79 81 Maps a DLL or memory area into another process 15->81 83 Sample uses process hollowing technique 15->83 85 Queues an APC in another process (thread injection) 15->85 18 explorer.exe 4 6 15->18 injected process9 dnsIp10 47 www.emarketschool.com 45.13.162.50, 49756, 49757, 49758 POWERLINE-AS-APPOWERLINEDATACENTERHK Netherlands 18->47 49 www.wrn23internetradio.com 204.11.56.48, 49755, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 18->49 51 www.delraybees.com 18->51 37 C:\Users\user\AppData\...\user7n7plnxh.exe, PE32 18->37 dropped 61 System process connects to network (likely due to code injection or exploit) 18->61 63 Benign windows process drops PE files 18->63 23 cmd.exe 1 17 18->23         started        27 user7n7plnxh.exe 3 18->27         started        29 user7n7plnxh.exe 2 18->29         started        file11 signatures12 process13 file14 39 C:\Users\user\AppData\...\KP9logrv.ini, data 23->39 dropped 41 C:\Users\user\AppData\...\KP9logri.ini, data 23->41 dropped 65 Detected FormBook malware 23->65 67 Tries to steal Mail credentials (via file access) 23->67 69 Tries to harvest and steal browser information (history, passwords, etc) 23->69 73 3 other signatures 23->73 31 cmd.exe 1 23->31         started        71 Injects a PE file into a foreign processes 27->71 33 user7n7plnxh.exe 27->33         started        signatures15 process16 process17 35 conhost.exe 31->35         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-30 22:29:18 UTC
AV detection:
19 of 31 (61.29%)
Threat level
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Threat name:
Malicious File
Score:
0.71

File information


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

Malspam

Formbook

Executable exe 3ec51daa2ad133cfcdce1ffca7081f96ee58d9b5c2d302cee732e6e2cc3d8cc6

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments