MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b379923380c07a3447ec8dcba32e4522102f3e5a9b40ce74afd32bcc1d074e6. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b379923380c07a3447ec8dcba32e4522102f3e5a9b40ce74afd32bcc1d074e6
SHA3-384 hash: 8e7e52c0218a92409ee0206e48f03c686e2ffc41e88901e499c3248b130bbbe25311594efd029deb0b434b6ac39b1baf
SHA1 hash: cfc5c67679fe1f18548c1e1c3c63d5d22a351551
MD5 hash: a3dc46c0e95c15e0fa74ed42f8a7b798
humanhash: music-bacon-seventeen-robert
File name:PO07950X.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:420'864 bytes
First seen:2020-07-22 08:13:21 UTC
Last seen:2020-07-22 13:31:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:iZkjbSthblPKL6PUm2GhNAr/lvlfEdfAt7lenblMcjJkq3hixOEyHQ0m6:iKjbStk6PUm2iNSAeenb/jZwOEyHQ
Threatray 4'970 similar samples on MalwareBazaar
TLSH 7894AD38E7F847D5D7A55BBAE07522A06BBB751A53EAD20D1B61F0DC0832B804713E27
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: wisxel.com
Sending IP: 5.206.227.51
From: Jorge <engineering@oberdin.it>
Subject: Fw:Re:Re: Container shipment order clear PO009844132
Attachment: PO07950X.img (contains "PO07950X.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/30927/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/394685
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249747 Sample: PO07950X.exe Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 60 Multi AV Scanner detection for domain / URL 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 7 other signatures 2->66 10 PO07950X.exe 1 2->10         started        process3 file4 50 C:\Users\user\AppData\...\PO07950X.exe.log, ASCII 10->50 dropped 82 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->82 84 Tries to detect virtualization through RDTSC time measurements 10->84 14 PO07950X.exe 10->14         started        signatures5 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 54 www.howcuty.com 198.187.30.43, 49733, 80 NAMECHEAP-NETUS United States 17->54 56 forcend.com 160.153.136.3, 49737, 49738, 49739 GODADDY-AMSDE United States 17->56 58 2 other IPs or domains 17->58 42 C:\Users\user\AppData\...\rldtnfwhfbepy.exe, PE32 17->42 dropped 68 System process connects to network (likely due to code injection or exploit) 17->68 70 Benign windows process drops PE files 17->70 22 msiexec.exe 1 19 17->22         started        26 rldtnfwhfbepy.exe 1 17->26         started        28 rundll32.exe 17->28         started        file10 signatures11 process12 file13 44 C:\Users\user\AppData\...\K94logrv.ini, data 22->44 dropped 46 C:\Users\user\AppData\...\K94logri.ini, data 22->46 dropped 48 C:\Users\user\AppData\...\K94logrf.ini, data 22->48 dropped 72 Detected FormBook malware 22->72 74 Tries to steal Mail credentials (via file access) 22->74 76 Tries to harvest and steal browser information (history, passwords, etc) 22->76 80 2 other signatures 22->80 30 cmd.exe 2 22->30         started        34 cmd.exe 1 22->34         started        36 rldtnfwhfbepy.exe 26->36         started        78 Tries to detect virtualization through RDTSC time measurements 28->78 signatures14 process15 file16 52 C:\Users\user\AppData\Local\Temp\DB1, SQLite 30->52 dropped 94 Tries to harvest and steal browser information (history, passwords, etc) 30->94 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started        96 Modifies the context of a thread in another process (thread injection) 36->96 98 Maps a DLL or memory area into another process 36->98 100 Sample uses process hollowing technique 36->100 signatures17 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b379923380c07a3447ec8dcba32e4522102f3e5a9b40ce74afd32bcc1d074e6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 08:15:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rm3zsizybqd2grd6zdolumxekiqqf47fvg2azz2k7uzlzqoqotta._file
Verdict:
malicious
Similar samples:
0707523c23666b0535673287616ea82b34e810594ddf19c45a0746d1bd697070
FormBook
4bc2794576ebc0396a825e7b5f5fa26303e79972e7a2d68ded5cd68729288107
FormBook
65e71b2309d1e97113409d0308abd20da3abe300c9468752649fb366d27e1d44
FormBook
8247e9152d0b43ffa80b4c82843bb0903043841c8b9c855ff312461f6443faf4
FormBook
8e9f882576a66be70ed5bc204584037087f3bd53d13498126153fb7514f7dd7a
FormBook
95574ab20f094a30ec1f5d3cd6694e6afd0a5c4809e0151f5bd2b427bbbb33df
FormBook
a14dc3eb54f3876b3a2bfc6e0aa105c832fc5424130c43248995cceda6790133
FormBook
b7a360cf2a3651e663b82407d8aa940f66b4c7f9569fc445771d8bc17f727bef
FormBook
c29ba90d51de3251d2d6f890bf889bd2772c2e375c7df46b25968ae2b1cce5f8
FormBook
d4cca60154fcc667ada19dffbac16f84b51691a540daf850a766b91bd46544fe
FormBook
+ 4'960 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200722-x4n3sydjha/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Reads user/profile data of web browsers
Deletes itself
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
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/8b379923380c07a3447ec8dcba32e4522102f3e5a9b40ce74afd32bcc1d074e6

File information

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

Malspam

FormBook

img 6e9f450849bdabf1dcd77e0c0d1d6a16d4599df470d67a0fdcffbb97cd0f7308

FormBook

Executable exe 8b379923380c07a3447ec8dcba32e4522102f3e5a9b40ce74afd32bcc1d074e6

(this sample)

  
Dropped by
MD5 cb473279e1c5738ac710668b57e81bdd
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/30927/
  
Dropped by
SHA256 6e9f450849bdabf1dcd77e0c0d1d6a16d4599df470d67a0fdcffbb97cd0f7308

Comments