MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59559689439bba854e19b21520b3216e98e4ba644cc838905e73d30e38234b9b. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59559689439bba854e19b21520b3216e98e4ba644cc838905e73d30e38234b9b
SHA3-384 hash: da16c2e1d608c07670580a675bbb6b6d449f7650f393773eb1343b0c7b9fb1e38d51840fe3ec3523ff8b2dff993df434
SHA1 hash: a3e248af4b82efb27492524efea12765932c34ce
MD5 hash: 1fb51962a2232e263d93e5667e1bc7f7
humanhash: white-connecticut-missouri-eight
File name:SecuriteInfo.com.Trojan.Inject4.2976.31638.14259
Download: download sample
Signature Formbook
Create hunting rule
File size:485'888 bytes
First seen:2020-10-14 04:36:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:k3fP65HsW7kFuG97mwIxeKg0xb5+aYVfptZ9XuosgBXBH9m8A7Oz6b8Memhb0:eOHVywgE5+aC4gBXTZONb8890
Threatray 2'644 similar samples on MalwareBazaar
TLSH 11A4AEF1398E082EF66A4635916670C3F93E22C62F5C850DBD9B830C4E92A5B5BD135F
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70657/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.2976.31638.14259.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Running batch commands
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/490560
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Drops PE files to the user root directory
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 297731 Sample: SecuriteInfo.com.Trojan.Inj... Startdate: 14/10/2020 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 3 other signatures 2->41 7 SecuriteInfo.com.Trojan.Inject4.2976.31638.exe 9 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 27 C:\Users\user\qwejd.exe, PE32 7->27 dropped 29 C:\Users\user\qwejd.exe:Zone.Identifier, ASCII 7->29 dropped 31 SecuriteInfo.com.T....2976.31638.exe.log, ASCII 7->31 dropped 33 2 other files (none is malicious) 7->33 dropped 53 Drops PE files to the user root directory 7->53 55 Tries to detect virtualization through RDTSC time measurements 7->55 15 cmd.exe 1 7->15         started        17 qwejd.exe 2 7->17         started        19 qwejd.exe 3 11->19         started        signatures5 process6 signatures7 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        43 Antivirus detection for dropped file 19->43 45 Multi AV Scanner detection for dropped file 19->45 47 Machine Learning detection for dropped file 19->47 49 Tries to detect virtualization through RDTSC time measurements 19->49 process8 signatures9 51 Creates an autostart registry key pointing to binary in C:\Windows 22->51
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/59559689439bba854e19b21520b3216e98e4ba644cc838905e73d30e38234b9b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 17:46:01 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0982a348bad7e99222ac6ec6c6dc2c113eb8adff8785bd1f371c5bc90b0025b3
Formbook
0dd99552079fdf0b8f5e449b39aa5f454ea4e075931ac298f7aa4080831aa9e7
Formbook
4b652aeecc3af929f45e0bf93e3d87b989e58cca29557f8bbdcc33cbd42a521a
Formbook
5bdd8fcb0b442af74059f57685a3f8dfe24d2d8487e8e5d209e80faccd17d4f3
Formbook
605d33feb84698a586469452610db4eb8c75c256a23f4536ed38fb84110f183b
Formbook
9abdd554c7f65285834b12f1511bef9501c300fd81559a9052fb5d6c0004163b
Formbook
a058f0c8ef292ed93c5aa59d78764335ded47bba1a1bfd2d19d8c5fc809a6171
Formbook
acee57225363369249003dbc008aeca2757999374afdee9e805f2de8c27ea50e
Formbook
e42be90bdd09aa830d4ff3ff5939c917614e79855b099ad47a001fbad49a376d
Formbook
f37a3d07e33750a031b832d3486485b74bc23c84bf64249cb1bd8ce495802621
Formbook
+ 2'634 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201014-bl9p771dn2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.funpexw.com/dmr/
Unpacked files
SH256 hash:
59559689439bba854e19b21520b3216e98e4ba644cc838905e73d30e38234b9b
MD5 hash:
1fb51962a2232e263d93e5667e1bc7f7
SHA1 hash:
a3e248af4b82efb27492524efea12765932c34ce
Link:
https://www.unpac.me/results/19fe44af-ca06-4a4f-9d4f-230f31c8685a/
SH256 hash:
89aa143c91d8cace96581d1ad1e4a67060238498168d9e412227019a838574a3
MD5 hash:
beadcc53a3524ce380a7b07b4da47d57
SHA1 hash:
7014b2381ef1ca0f0c8f1b0884315260dc73932f
Link:
https://www.unpac.me/results/19fe44af-ca06-4a4f-9d4f-230f31c8685a/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/19fe44af-ca06-4a4f-9d4f-230f31c8685a/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
04795abb4c6737a18b5bc12353c3b6f68023fac7d167781f25da96a0b05bf9e0
MD5 hash:
a6c2b00194fc2ba3efca6b646f23eb75
SHA1 hash:
3307b3ab2b37dc5748159fba784a53677db24969
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/19fe44af-ca06-4a4f-9d4f-230f31c8685a/
Parent samples :
22c3cc5bc8bb078f468b2e502ea5054aeaa77a7638c71aeedef7acd075e9af01
ff12520da32ca8d2478c1bdfbdbe7e057d3d6f079d81ceb2fc86c539889e1280
1db414febba5eddd16aa7b82e72ceaa2ffbc2259521d50d07a09eb20f43e4b2f
59559689439bba854e19b21520b3216e98e4ba644cc838905e73d30e38234b9b
SH256 hash:
d72ef39a744d7af8bf5302676a2749448dd360c547ae6dd6b487fa160f534cfa
MD5 hash:
5196da6bdfd46a32d19472f9dc248a40
SHA1 hash:
61fc513453f3af2a8627f80e9953ceb545dd142a
Link:
https://www.unpac.me/results/19fe44af-ca06-4a4f-9d4f-230f31c8685a/
SH256 hash:
e3fbad23fd496f9b50159efd3dba0f73b04d6d6e8b51ccfb12435b819d62fdb6
MD5 hash:
61e6656e6d69be70cad864c648219202
SHA1 hash:
0b270e072f39895fa8178721d344ccca3cd43f3e
Link:
https://www.unpac.me/results/19fe44af-ca06-4a4f-9d4f-230f31c8685a/
SH256 hash:
b2baeacbab53f6625033fb0cd18dda95aebd75a2d126dca98c73ae856ccf977e
MD5 hash:
85518ad1735cecb6b58c87851ec60113
SHA1 hash:
32d25988a7d37cd7eb07b6b17a37d9c4aba92c8d
Link:
https://www.unpac.me/results/19fe44af-ca06-4a4f-9d4f-230f31c8685a/
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/59559689439bba854e19b21520b3216e98e4ba644cc838905e73d30e38234b9b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Web download

Formbook

Executable exe 59559689439bba854e19b21520b3216e98e4ba644cc838905e73d30e38234b9b

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/70657/
  
URLhaus
https://urlhaus.abuse.ch/url/684438/
  
Delivery method
Distributed via web download

Comments