MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da418cd645143899691fa8b036073aaa5320a1d6c855699494f4b9b2419fb12e. 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: da418cd645143899691fa8b036073aaa5320a1d6c855699494f4b9b2419fb12e
SHA3-384 hash: ba88871246171a80963743b89f0210190b49bd931653ec1bf53567b7c8e5994f8ba4fc785fcf53cad4203bccdd301724
SHA1 hash: 159ce3412a86633fc268c0ba64fbdafa1d792f24
MD5 hash: f2dcb4795f829cd08f35793dde655dfc
humanhash: delaware-south-indigo-colorado
File name:BKG#339LN2035492.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:463'360 bytes
First seen:2020-08-31 09:17:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:dMh9JFp2PmrqxtGJhzl1DiDC60hp7o6T+oNZqF4:0tJR
Threatray 2'256 similar samples on MalwareBazaar
TLSH 58A4121220BE4B72DAF05FF5444DB929D3A0AA77984CDACA9CA632CB07F17440773D5A
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: hlag.com
Sending IP: 37.49.230.8
From: doc.dhl<doc.hk@hlag.com>
Subject: BL HLCL Sh#86365840 Doc#HLCUHKG2008AUCR5
Attachment: BKG339LN2035492.zip (contains "BKG#339LN2035492.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53335/
Detection(s):
SecuriteInfo.com.W32.Trojan-7.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
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/455094
Signature
.NET source code contains potential unpacker
Benign windows process drops PE files
Detected FormBook malware
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 domain / URL
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: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 279922 Sample: BKG#339LN2035492.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 46 www.milesdavidlee.com 2->46 48 webflow.map.fastly.net 2->48 50 proxy.webflow.com 2->50 64 Multi AV Scanner detection for domain / URL 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 7 other signatures 2->70 11 BKG#339LN2035492.exe 1 2->11         started        signatures3 process4 file5 44 C:\Users\user\...\BKG#339LN2035492.exe.log, ASCII 11->44 dropped 84 Tries to detect virtualization through RDTSC time measurements 11->84 15 BKG#339LN2035492.exe 11->15         started        signatures6 process7 signatures8 86 Modifies the context of a thread in another process (thread injection) 15->86 88 Maps a DLL or memory area into another process 15->88 90 Sample uses process hollowing technique 15->90 92 Queues an APC in another process (thread injection) 15->92 18 explorer.exe 4 6 15->18 injected process9 dnsIp10 52 www.regulars7.info 162.0.224.251, 49761, 49762, 49763 NAMECHEAP-NETUS Canada 18->52 54 www.theflowerfarmplanner.com 104.24.120.202, 49746, 80 CLOUDFLARENETUS United States 18->54 56 2 other IPs or domains 18->56 38 C:\Users\user\AppData\...\update5jg49tj0.exe, PE32 18->38 dropped 72 System process connects to network (likely due to code injection or exploit) 18->72 74 Benign windows process drops PE files 18->74 23 svchost.exe 1 17 18->23         started        27 update5jg49tj0.exe 1 18->27         started        29 svchost.exe 18->29         started        file11 signatures12 process13 file14 40 C:\Users\user\AppData\...\19-logrv.ini, data 23->40 dropped 42 C:\Users\user\AppData\...\19-logri.ini, data 23->42 dropped 76 Detected FormBook malware 23->76 78 Tries to steal Mail credentials (via file access) 23->78 80 Tries to harvest and steal browser information (history, passwords, etc) 23->80 82 3 other signatures 23->82 31 cmd.exe 1 23->31         started        33 update5jg49tj0.exe 27->33         started        signatures15 process16 signatures17 36 conhost.exe 31->36         started        58 Modifies the context of a thread in another process (thread injection) 33->58 60 Maps a DLL or memory area into another process 33->60 62 Sample uses process hollowing technique 33->62 process18
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/da418cd645143899691fa8b036073aaa5320a1d6c855699494f4b9b2419fb12e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 03:14:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3jayzvsfcq4js2i7vcydmbz2vjjsbiowzbkwtfeu6s43eqm7wexa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
169e90fc957c42bef2af2bc472799472af795ceeb2bd945e633d5f589e7e6f56
FormBook
506381110aba86052e5ddfa191dffe2e533c8be5cd6f7104b96ba642aa038fed
FormBook
5c6d005bb7bd065341b432bf6a27117c76115e18ae10fd21906759d05d05f733
FormBook
635411fb8a81c1232977130d52f6643995799475f35d4d3ecf2c0b74c307c876
FormBook
7890ba83f1cbdd2e461231b4862c15ed80300d361715fecece651094de62bd85
FormBook
7abf73f6d63535a3770a681960124ee32f77d0305cfb82e80da13301829d5b25
FormBook
9047151fe524a34dffeacd46eba66b4b0a87beb7f3e513ba8e5c6ca367ccc505
FormBook
b3349406861e76bfb84f4757a646c3fe94eb5e1cd27abeeffa48aabb6c8fa4d5
FormBook
b43786f175549f7d8aba0d0213181d10a01a54ab6ac8256446b8f39de6022986
FormBook
e65997e20f521c8eee713623c45c9600a7a05629c85d73c9dd2bdf696f43e5de
FormBook
+ 2'246 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200831-h88qh644se/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.regulars7.info/otn/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/da418cd645143899691fa8b036073aaa5320a1d6c855699494f4b9b2419fb12e

File information

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

Malspam

FormBook

zip 932da068956462782cd56d4df53800e87a237d9215db1e13ce5cc75a7c35f693

FormBook

Executable exe da418cd645143899691fa8b036073aaa5320a1d6c855699494f4b9b2419fb12e

(this sample)

  
Dropped by
MD5 a62095ffe25ce0da675f0b119a25c558
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53335/
  
Dropped by
SHA256 932da068956462782cd56d4df53800e87a237d9215db1e13ce5cc75a7c35f693

Comments