MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b7e04d537fb0ed215cf1d0d4445def97cae4701c1c889f4e94736e1814d9233. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b7e04d537fb0ed215cf1d0d4445def97cae4701c1c889f4e94736e1814d9233
SHA3-384 hash: d444f3e8be3e5dcc668d96b1e09bae95f43e02c4ba1531c138dc126fdf314f8dcebc931bc2b8bb37a03e9d3fb94bd810
SHA1 hash: 55e849d82efb14f2e26d69bf43afd5b0063d15ff
MD5 hash: b9ea7c419c6e245af6ac69968684ff95
humanhash: one-vermont-timing-berlin
File name:gregcrypted.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:818'176 bytes
First seen:2020-08-17 09:22:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 90971096b3f3ef49ea4900e0dc05049a (10 x FormBook, 9 x AgentTesla, 4 x Loki)
ssdeep 12288:tgftlTxIDJRRtYRNeuawx2+8zVQLlcqPTxUHYY3UmNUSdwYQszllj3:tg1JxIwP5YxaZ0dD6S9f3
Threatray 2'294 similar samples on MalwareBazaar
TLSH 61059D32A1E14437D072DA7C5C1B636B982ABD133B289B766BE37C48DF3965036252C7
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: incloud.knpinfotech.in
Sending IP: 23.235.195.193
From: service6@puritawater.com
Subject: TT Payment
Attachment: Payment Copy.zip (contains "gregcrypted.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/46881/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

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

SecuriteInfo.com.Trojan.GenericKD.43676699.3150.4339.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
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/433046
Signature
Benign windows process drops PE files
Contains functionality to detect sleep reduction / modifications
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)
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 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 dnsIp2 2 Behavior Graph ID: 268831 Sample: gregcrypted.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 53 www.taogou52.com 2->53 61 Malicious sample detected (through community Yara rule) 2->61 63 Detected unpacking (changes PE section rights) 2->63 65 Yara detected FormBook 2->65 67 5 other signatures 2->67 11 gregcrypted.exe 2->11         started        signatures3 process4 signatures5 85 Detected unpacking (changes PE section rights) 11->85 87 Maps a DLL or memory area into another process 11->87 89 Tries to detect virtualization through RDTSC time measurements 11->89 91 Contains functionality to detect sleep reduction / modifications 11->91 14 gregcrypted.exe 11->14         started        process6 signatures7 93 Modifies the context of a thread in another process (thread injection) 14->93 95 Maps a DLL or memory area into another process 14->95 97 Sample uses process hollowing technique 14->97 99 Queues an APC in another process (thread injection) 14->99 17 explorer.exe 4 6 14->17 injected process8 dnsIp9 47 www.glamotd.com 63.250.47.83, 49699, 80 NAMECHEAP-NETUS United States 17->47 49 estufa-pellet.com 185.34.194.209, 49700, 49701, 80 CDMONsistemescdmoncomES Spain 17->49 51 2 other IPs or domains 17->51 41 C:\Users\user\AppData\Local\...\-z4l0hxx.exe, PE32 17->41 dropped 69 System process connects to network (likely due to code injection or exploit) 17->69 71 Benign windows process drops PE files 17->71 22 cmd.exe 1 17 17->22         started        26 -z4l0hxx.exe 17->26         started        28 -z4l0hxx.exe 17->28         started        30 2 other processes 17->30 file10 signatures11 process12 file13 43 C:\Users\user\AppData\...\58Nlogrv.ini, data 22->43 dropped 45 C:\Users\user\AppData\...\58Nlogri.ini, data 22->45 dropped 73 Detected FormBook malware 22->73 75 Tries to steal Mail credentials (via file access) 22->75 77 Tries to harvest and steal browser information (history, passwords, etc) 22->77 79 Modifies the context of a thread in another process (thread injection) 22->79 32 cmd.exe 1 22->32         started        81 Maps a DLL or memory area into another process 26->81 34 -z4l0hxx.exe 26->34         started        37 -z4l0hxx.exe 28->37         started        83 Tries to detect virtualization through RDTSC time measurements 30->83 signatures14 process15 signatures16 39 conhost.exe 32->39         started        55 Modifies the context of a thread in another process (thread injection) 34->55 57 Maps a DLL or memory area into another process 34->57 59 Sample uses process hollowing technique 34->59 process17
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b7e04d537fb0ed215cf1d0d4445def97cae4701c1c889f4e94736e1814d9233/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 04:05:30 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dn7ajvjx7mhnefopduguiro67f6k4rybyheit5hji43odaknsizq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0098bf2ef8230d9bb30b451868272ffb271fe63a8c248bfc9ce569991c19f279
FormBook
08b47c6d183afb72f383ced4639ba73a03d9b36f06617585b3a3d28b69d1ce9f
FormBook
172842029f8937753e79843e36fcb4715c0f3a9de4b256585847df48caf8e10f
FormBook
2a093b2213d7d589020d69e76fdfd33b441ed125664cb3247d25e9103744011c
FormBook
4a6187dd467be22cbd3eab6807d368c37535c488af22442498423da8124f35fa
FormBook
5620eaea502dcc3bc31e10dc48478022f518a15956a4b6565c454dd062859eff
FormBook
8cd14212205658092f91a376a85fb70802200671ea0cbc74b73f1fcaf0f88ddb
FormBook
97d8ae62cb751e857b04d9eaa68ee2acce3d7243009bdb04639a729cdfc7cbf3
FormBook
de5eead1472726c48bab2f8551a161fea3ccd71ee11b4df8e89aa5b9874832a3
FormBook
ee4ae13d3fd3b58d86e270db11937476b4b7add1673983c2c28ed4d7dcc75552
FormBook
+ 2'284 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/200817-vynsd2b1de/
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.glamotd.com/gyl/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1b7e04d537fb0ed215cf1d0d4445def97cae4701c1c889f4e94736e1814d9233

File information

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

Malspam

FormBook

zip 100c3429e7073073fadce72bea60073986c25b7a05b9e7829ae50a81d99db875

FormBook

Executable exe 1b7e04d537fb0ed215cf1d0d4445def97cae4701c1c889f4e94736e1814d9233

(this sample)

  
Dropped by
MD5 d279821d397fc78397f79cdc8c1d8f49
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/46881/
  
Dropped by
SHA256 100c3429e7073073fadce72bea60073986c25b7a05b9e7829ae50a81d99db875

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