MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83a9482f5fb2807da38f62dce5a40bdf154d2c26f7a3080982efa30491bb66c4. 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: 83a9482f5fb2807da38f62dce5a40bdf154d2c26f7a3080982efa30491bb66c4
SHA3-384 hash: b6f65ed6a6c4dc4651dd06f0b29bb33ef41cebf341fbb29a6727ec64cd4adb7ecde9fb8f5fea9b107ad0df31f0edf619
SHA1 hash: d15370616e5d4c559204a56e6c7857468b5117e5
MD5 hash: 27a260b22ffb065ac30a6c1050abf42e
humanhash: high-april-april-fanta
File name:R88532001.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:687'104 bytes
First seen:2020-07-17 16:28:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 80dec23b55a2406ea6b64743296c2829 (1 x AZORult, 1 x AsyncRAT, 1 x FormBook)
ssdeep 12288:XqdyUBuSUJH8YSTZaF4xtO6xbeOwhHLU+SwY2N5Hxdk1vzX77:advUR/4y6hgrJPpDkpzX7
Threatray 5'101 similar samples on MalwareBazaar
TLSH 58E4AF72F2B14833D1731A789C1B677C9D3ABD103928AA867BE45D4CAF392813467397
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: h3.datagix.com
Sending IP: 82.196.25.97
From: Saloua HAMMAZZOU <sh.achats@energiesahel.com>
Subject: Demande de prix
Attachment: 1122132.zip (contains "R88532001.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/27477/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Win32.Herz.B.1667.10910.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Connection attempt to an infection source
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/389160
Signature
Benign windows process drops PE files
Contains functionality to detect sleep reduction / modifications
Creates autostart registry keys with suspicious names
Detected FormBook malware
Detected unpacking (changes PE section rights)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
System process connects to network (likely due to code injection or exploit)
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246774 Sample: R88532001.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 7 other signatures 2->63 10 R88532001.exe 2->10         started        process3 signatures4 79 Detected unpacking (changes PE section rights) 10->79 81 Maps a DLL or memory area into another process 10->81 83 Tries to detect virtualization through RDTSC time measurements 10->83 85 Contains functionality to detect sleep reduction / modifications 10->85 13 R88532001.exe 10->13         started        process5 signatures6 87 Modifies the context of a thread in another process (thread injection) 13->87 89 Maps a DLL or memory area into another process 13->89 91 Sample uses process hollowing technique 13->91 93 Queues an APC in another process (thread injection) 13->93 16 explorer.exe 1 6 13->16 injected process7 dnsIp8 51 cayyoluhaliyikamaci.com 185.255.93.159, 49735, 80 TALIDOTR Turkey 16->51 53 www.ho1acloud.com 16->53 55 2 other IPs or domains 16->55 41 C:\Users\user\AppData\...\zlrpsd9h8py4ej.exe, PE32 16->41 dropped 65 System process connects to network (likely due to code injection or exploit) 16->65 67 Benign windows process drops PE files 16->67 21 help.exe 1 19 16->21         started        25 zlrpsd9h8py4ej.exe 16->25         started        27 help.exe 16->27         started        file9 signatures10 process11 file12 43 C:\Users\user\AppData\...\913logrv.ini, data 21->43 dropped 45 C:\Users\user\AppData\...\913logri.ini, data 21->45 dropped 47 C:\Users\user\AppData\...\913logrf.ini, data 21->47 dropped 69 Detected FormBook malware 21->69 71 Tries to steal Mail credentials (via file access) 21->71 73 Creates autostart registry keys with suspicious names 21->73 77 3 other signatures 21->77 29 cmd.exe 2 21->29         started        33 cmd.exe 1 21->33         started        75 Maps a DLL or memory area into another process 25->75 35 zlrpsd9h8py4ej.exe 25->35         started        signatures13 process14 file15 49 C:\Users\user\AppData\Local\Temp\DB1, SQLite 29->49 dropped 95 Tries to harvest and steal browser information (history, passwords, etc) 29->95 37 conhost.exe 29->37         started        39 conhost.exe 33->39         started        97 Modifies the context of a thread in another process (thread injection) 35->97 99 Maps a DLL or memory area into another process 35->99 101 Sample uses process hollowing technique 35->101 signatures16 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83a9482f5fb2807da38f62dce5a40bdf154d2c26f7a3080982efa30491bb66c4/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-17 16:30:09 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qouuql27wkah3i4pmlooljal34ku2lbg66rqqcmc56rqjen3m3ca._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
322427854deccec94e7331e8d3faa9f2701289b8e2faac322889c5b04d6b8f5e
FormBook
67586cd711a0de6176d2df1bde9bf36f024f893328ae9c447bdf5e636e99502b
FormBook
8842ac3497c777517b2f18152eabaa0994a460d249773a5e89a4e16bca2bd741
FormBook
916237116e09e4233846389b7410a8ccc7e7ef96c0ed97c3fdb19a08499504af
FormBook
98090f606cda48999384c614b1f92bb9d0e5f1541b86d8d62bf1e6639633a271
FormBook
ca2474c82643817c50106479f991ae282b9bb24fde98721dc5f99fe9a5eb3300
FormBook
cd1a9b8d7f8d830bcb13548fdd9f02a7fae07b7c49fd12bd1a7e02ed346bc010
FormBook
ceec91127018aba0be51981277015baf08e3f0ef6fbd0a5efe5821fa698ba645
FormBook
e6ec516f652708d86ea17dfa8a860550a6be97d1d2c886d67c5bc1e2ad5a2ccd
FormBook
f38d170b1da421aa60e778a64fec953d3058336f7cb06568ba7926495fe87f0c
FormBook
+ 5'091 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
evasion trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200717-je2tnh9ql2/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
System policy modification
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
Adds policy Run key to start application
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/83a9482f5fb2807da38f62dce5a40bdf154d2c26f7a3080982efa30491bb66c4

File information

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

Malspam

FormBook

zip 40860b26c9daf728e48f626218027b9249b209cce2ebd3f63dce711430dd39fb

FormBook

Executable exe 83a9482f5fb2807da38f62dce5a40bdf154d2c26f7a3080982efa30491bb66c4

(this sample)

  
Dropped by
MD5 60440a87cb08fd077cdefc4617e8a4f6
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/27477/
  
Dropped by
SHA256 40860b26c9daf728e48f626218027b9249b209cce2ebd3f63dce711430dd39fb

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