MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c29ba90d51de3251d2d6f890bf889bd2772c2e375c7df46b25968ae2b1cce5f8. 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: c29ba90d51de3251d2d6f890bf889bd2772c2e375c7df46b25968ae2b1cce5f8
SHA3-384 hash: 18d97e7875ff3b2b4694c4a6972f1eafd3717990751eec507106725ac067dae3c0ee39409001883fa3a346592e71d39b
SHA1 hash: 5be5fe2803ca866e30572b4be067bd1a295dfa5e
MD5 hash: e8fb5d7c925042560102b1bd0fe2a40b
humanhash: bakerloo-batman-yankee-robin
File name:invoice.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:765'440 bytes
First seen:2020-07-20 07:16:09 UTC
Last seen:2020-07-20 08:10:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:pu5C1q9I6/kldSCPMi8AyalhciQDyaod+ik4g8y3SoD:pu5CO20AyOnQW2rEloD
Threatray 5'201 similar samples on MalwareBazaar
TLSH B0F4E0FC9A948500C6ED3FB69E629BB50737BD05F1F2920F1BD4A85F293A792C854321
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: wisxel.com
Sending IP: 5.206.227.51
From: Jessica <info@staiq.ac.id>
Subject: Fw:Re:Re: Container shipment order clear PO009844132
Attachment: invoice.img (contains "invoice.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28525/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.52265.32307.29161.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/390884
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247555 Sample: invoice.exe Startdate: 20/07/2020 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 9 other signatures 2->66 10 invoice.exe 1 2->10         started        process3 file4 50 C:\Users\user\AppData\...\invoice.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 invoice.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 alephmim.com 148.251.231.51, 49722, 80 HETZNER-ASDE Germany 17->54 56 www.sunshinegroupnyc.com 17->56 58 2 other IPs or domains 17->58 42 C:\Users\user\AppData\...\dp-l_rudsdbln0.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 WWAHost.exe 1 19 17->22         started        26 dp-l_rudsdbln0.exe 1 17->26         started        28 control.exe 17->28         started        file10 signatures11 process12 file13 44 C:\Users\user\AppData\...443-logrv.ini, data 22->44 dropped 46 C:\Users\user\AppData\...463-logri.ini, data 22->46 dropped 48 C:\Users\user\AppData\...483-logrf.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 dp-l_rudsdbln0.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/c29ba90d51de3251d2d6f890bf889bd2772c2e375c7df46b25968ae2b1cce5f8/
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-19 22:58:57 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ykn2sdkr3yzfduww7cil7ce32j3sylrxlr67i2zfs2fofmom4x4a._file
Verdict:
malicious
Similar samples:
0707523c23666b0535673287616ea82b34e810594ddf19c45a0746d1bd697070
FormBook
4bc2794576ebc0396a825e7b5f5fa26303e79972e7a2d68ded5cd68729288107
FormBook
8247e9152d0b43ffa80b4c82843bb0903043841c8b9c855ff312461f6443faf4
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8b379923380c07a3447ec8dcba32e4522102f3e5a9b40ce74afd32bcc1d074e6
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8e9f882576a66be70ed5bc204584037087f3bd53d13498126153fb7514f7dd7a
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95574ab20f094a30ec1f5d3cd6694e6afd0a5c4809e0151f5bd2b427bbbb33df
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a14dc3eb54f3876b3a2bfc6e0aa105c832fc5424130c43248995cceda6790133
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b5e24dadb37baef657518567251b23974da701cdef65afeb37500e3be3a8c4e6
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b7a360cf2a3651e663b82407d8aa940f66b4c7f9569fc445771d8bc17f727bef
FormBook
d4cca60154fcc667ada19dffbac16f84b51691a540daf850a766b91bd46544fe
FormBook
+ 5'191 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
trojan spyware stealer family:formbook evasion persistence
Link:
https://tria.ge/reports/200720-bp7thkp1mx/
Behaviour
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks whether UAC is enabled
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
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/c29ba90d51de3251d2d6f890bf889bd2772c2e375c7df46b25968ae2b1cce5f8

File information

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

Malspam

FormBook

img b794bc0a5bfc2e14d89d93fd3862a5f1b14216f3e7e33985dca6eb475fdf7fe0

FormBook

Executable exe c29ba90d51de3251d2d6f890bf889bd2772c2e375c7df46b25968ae2b1cce5f8

(this sample)

  
Dropped by
MD5 ab678a69bb4da9d6e793feef44d30453
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28525/
  
Dropped by
SHA256 b794bc0a5bfc2e14d89d93fd3862a5f1b14216f3e7e33985dca6eb475fdf7fe0

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