MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 515f7d3e80be5b43204e165789a22254722d90b39c3a130f91949d1a511ff082. 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: 515f7d3e80be5b43204e165789a22254722d90b39c3a130f91949d1a511ff082
SHA3-384 hash: fb7f0991779b0b8e7fc6588ad19dafdd4668b70d490f7ed1c376f76b770bee9c6c05c37cbfa74a2ff8b023e49cf93bed
SHA1 hash: b52acca253756b60c0b630aea6f5f7df1d49236c
MD5 hash: 6098e4aeecc4891fc02e831bf2a4cf95
humanhash: johnny-king-single-sad
File name:20200720103507.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:775'680 bytes
First seen:2020-07-20 12:13:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 947a363cee796918c4dd5f0352950426 (5 x AgentTesla, 5 x Loki, 5 x MassLogger)
ssdeep 12288:ypxEDrQY5EvoFzhlmTS1i4jkkg52CKRC8fZ9GDbdY/oygAq+pCK:ia8voVOIObYfZoPd4oygv+h
Threatray 5'138 similar samples on MalwareBazaar
TLSH 78F4A066E1E04877D1771A3C4D1B66A8A836BE003E2C9D766FF74C4CDF3A64034A52A7
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: kantartns.io
Sending IP: 23.106.223.205
From: Yusuf Khadaroo <yusuf@kantartns.io>
Subject: RE: Absa CX ARO CIB-Mauritius ICA, PO, Timings
Attachment: 20200720103507.arj (contains "20200720103507.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29087/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/391556
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 248152 Sample: 20200720103507.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 52 www.boxingmediagroup.com 2->52 54 boxingmediagroup.com 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 5 other signatures 2->62 11 20200720103507.exe 2->11         started        signatures3 process4 signatures5 76 Detected unpacking (changes PE section rights) 11->76 78 Maps a DLL or memory area into another process 11->78 80 Tries to detect virtualization through RDTSC time measurements 11->80 82 Contains functionality to detect sleep reduction / modifications 11->82 14 20200720103507.exe 11->14         started        process6 signatures7 86 Modifies the context of a thread in another process (thread injection) 14->86 88 Maps a DLL or memory area into another process 14->88 90 Sample uses process hollowing technique 14->90 92 Queues an APC in another process (thread injection) 14->92 17 explorer.exe 1 6 14->17 injected process8 dnsIp9 46 balancer.wixdns.net 35.242.251.130, 49737, 49738, 49739 GOOGLEUS United States 17->46 48 www.tuokeci.com 23.238.203.195, 49733, 80 AS40676US United States 17->48 50 3 other IPs or domains 17->50 36 C:\Users\user\AppData\...\mlendxxv40.exe, PE32 17->36 dropped 64 System process connects to network (likely due to code injection or exploit) 17->64 66 Benign windows process drops PE files 17->66 22 explorer.exe 1 19 17->22         started        file10 signatures11 process12 file13 38 C:\Users\user\AppData\...\600logrv.ini, data 22->38 dropped 40 C:\Users\user\AppData\...\600logri.ini, data 22->40 dropped 42 C:\Users\user\AppData\...\600logrf.ini, data 22->42 dropped 68 Detected FormBook malware 22->68 70 Tries to steal Mail credentials (via file access) 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 22->72 74 3 other signatures 22->74 26 cmd.exe 2 22->26         started        30 cmd.exe 1 22->30         started        signatures14 process15 file16 44 C:\Users\user\AppData\Local\Temp\DB1, SQLite 26->44 dropped 84 Tries to harvest and steal browser information (history, passwords, etc) 26->84 32 conhost.exe 26->32         started        34 conhost.exe 30->34         started        signatures17 process18
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/515f7d3e80be5b43204e165789a22254722d90b39c3a130f91949d1a511ff082/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 12:15:08 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kfpx2puaxznugicoczlytirckrzc3efttq5bgd4rssoruui76cba._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
00983a8176276beea115d21fef7919c49b29b96d78dbc2151cc04cc7d8c95b35
FormBook
7d667845924245b2c6acee25a643afab5ad0a822614574c93cbf19ff0bb4f8c4
FormBook
7fcf92c7dcd71c8dd4d0b073877afb90075305390ccf6e3a50ca598211e0469f
FormBook
b3b093d992d26b0d21a61a778598abd5dd87649a89f724c2798f60f9dc19de1a
FormBook
b7080e861acf13e24b0f995a17697390e262fd128de58e12e99074531ab3963d
FormBook
c7949573443efdf9faf7bdd96422dd515bc3576d8fce3091776333047524d1a2
FormBook
d34f87c6a070f4f73344156c16be7040f2932053aea2868e98b0fa4297113835
FormBook
df745e4434b953ab404e59ef73608a9f3148fa7d629a28b7401c295efdf618b6
FormBook
f5fdaaa92c4b2a31955e4a21469d2562c2b4be7fb1eae2cd06b5bce77dd25b5e
FormBook
fef2f8121d80af16a1fbc65d419096960e10bcd8c29a179afd0dc4140d8a0fc9
FormBook
+ 5'128 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200720-h2chb4a6ye/
Behaviour
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
System policy modification
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Reads user/profile data of web browsers
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:
0.46
Link:
https://yomi.yoroi.company/submissions/515f7d3e80be5b43204e165789a22254722d90b39c3a130f91949d1a511ff082

File information

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

Malspam

FormBook

arj e6f48421530d717c4805a49e9c4e1c142ee5c8eb7e0101662c40814e654e77ae

FormBook

Executable exe 515f7d3e80be5b43204e165789a22254722d90b39c3a130f91949d1a511ff082

(this sample)

  
Dropped by
MD5 b266e45370556731995c268803c4ed0e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29087/
  
Dropped by
SHA256 e6f48421530d717c4805a49e9c4e1c142ee5c8eb7e0101662c40814e654e77ae

Comments