MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba4721d93c056ef1763667732344fdc82066d71f0003e18ad03f6d93307b82fe. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ba4721d93c056ef1763667732344fdc82066d71f0003e18ad03f6d93307b82fe
SHA3-384 hash: 129a0a3e193a54f695cbb4747eb6a1e8e2dbd991c877c815a34909573711a4da9701e483666a2c1f39639f9004591509
SHA1 hash: 9f45d2e8e415ab38f42e4edb9b503ce82fed2402
MD5 hash: 25fcc01067cabbf5d1aa3a2f8b18ed50
humanhash: oklahoma-apart-undress-chicken
File name:SecuriteInfo.com.Trojan.Packed2.42783.14936.6333
Download: download sample
Signature Formbook
Create hunting rule
File size:775'168 bytes
First seen:2021-01-26 18:13:30 UTC
Last seen:2021-01-26 18:56:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:27r001HnHfNbxp+pPnGUw2DargRxEc3kstvo:Ur00n/mfM/8HUY
Threatray 303 similar samples on MalwareBazaar
TLSH 8FF402076EC646E1C940B87253B6E27947E0ECFB6122E777699837E0CA3078534CE5A7
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG_4785.doc
Verdict:
Malicious activity
Analysis date:
2021-01-26 13:44:18 UTC
Tags:
ole-embedded generated-doc exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/a473f00e-4c0c-4442-a16f-d7345f654c3a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/113983/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42783.14936.6333.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/591111
Signature
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 344595 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 26/01/2021 Architecture: WINDOWS Score: 100 41 www.infomgt.net 2->41 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 3 other signatures 2->55 11 SecuriteInfo.com.Trojan.Packed2.42783.14936.exe 15 4 2->11         started        15 SearchUI.exe 2->15         started        17 SearchUI.exe 2->17         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 11->37 dropped 39 SecuriteInfo.com.T...42783.14936.exe.log, ASCII 11->39 dropped 71 Writes to foreign memory regions 11->71 73 Allocates memory in foreign processes 11->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->75 77 Injects a PE file into a foreign processes 11->77 19 AddInProcess32.exe 11->19         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 19->57 59 Maps a DLL or memory area into another process 19->59 61 Sample uses process hollowing technique 19->61 63 2 other signatures 19->63 22 explorer.exe 19->22 injected process9 process10 24 mstsc.exe 22->24         started        27 WerFault.exe 17 9 22->27         started        signatures11 65 Modifies the context of a thread in another process (thread injection) 24->65 67 Maps a DLL or memory area into another process 24->67 69 Tries to detect virtualization through RDTSC time measurements 24->69 29 explorer.exe 1 186 24->29         started        33 cmd.exe 1 24->33         started        process12 dnsIp13 43 g2vies.com 34.102.136.180, 49775, 49777, 80 GOOGLEUS United States 29->43 45 www.thesunchronical.com 29->45 47 5 other IPs or domains 29->47 79 System process connects to network (likely due to code injection or exploit) 29->79 35 conhost.exe 33->35         started        signatures14 process15
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ba4721d93c056ef1763667732344fdc82066d71f0003e18ad03f6d93307b82fe/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-26 17:31:12 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xjdsdwj4avxpc5rwm5zsgrh5zaqgnvy7aab6dcwqh5wzgmd3ql7a._file
Verdict:
unknown
Similar samples:
14d9c9f0dbe84637aad5dca71f874b7fd2c11e7b476c4da126090c23b8e95536
Formbook
2ba9185ecb7b43e54242e560724993fbf5e24c3e1acd57889ac9dc305e934045
Formbook
3891d2426f0ee2ce5e008a634c12715eeb167b32415c1c181afbf0aa0641143e
Formbook
43ef60cadb56aed45b964b3f85827c9557b49f400a972f1cf9e16566e5dcf2d7
Formbook
55ca4147c94a10c9fc3fe95d3e922546ee796f63ca3b9aad005998f1e1e2b912
Formbook
77d1e1c8c87b166c88ab728ff9830a8c7c2da67ce68a5348846fdfa1be8183b3
Formbook
c1e6cafdf311804c6d5a427de9f61965c223ae33fac564f33300f2a477ae8cd0
Formbook
f48af72b2049ce9cb61a28086fe47ffad766b26ea9ce27cce0082f435504dc73
Formbook
f9a8ba23f68d57179f1a480b6207351d5f41e6303fbdd09f6fffd514f82bef30
Formbook
ff68f0b8908d33ce1a3eb32cc1478e911b4e9dd853371f62a604fb366b274234
Formbook
+ 293 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210126-b6m8a2335j/
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 UnmapMainImage
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.theprintshop.ink/bsl/
Unpacked files
SH256 hash:
b63ec9ddf81448bc24e259321c8150616655bd1dc5d46887ad88c1c2650be9b1
MD5 hash:
1ebd58404b66f761a9a5cfb9e4ca5949
SHA1 hash:
d3a7f6a29e231bf2e32315dea5431c503353285a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2858694f-b55f-4f3e-afba-a84fd56cebb1/
Parent samples :
ba4721d93c056ef1763667732344fdc82066d71f0003e18ad03f6d93307b82fe
c695c80cd714ecc710510143ee54b69bdda7fa7f01c32ae902ec3d32af36d489
SH256 hash:
a60900adc31e8e28ff541b91a55de5d9719c0d1ddc3022eb6f6fb5ac19cc9e4f
MD5 hash:
831fb0609b3509b4fb31ac662ac69217
SHA1 hash:
985c33fa2b01e305995e2ea166b961b01f0f6335
Link:
https://www.unpac.me/results/2858694f-b55f-4f3e-afba-a84fd56cebb1/
SH256 hash:
1ffac68def5ce68f650ac8229d3a40e9ac1fc89adeddc9a6041c3dcebb6d1933
MD5 hash:
8503258c9fb8f1519204a2f9a4ccd873
SHA1 hash:
63a62f152f2fe8d79aa29eb3133ba180b03ed416
Link:
https://www.unpac.me/results/2858694f-b55f-4f3e-afba-a84fd56cebb1/
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/2858694f-b55f-4f3e-afba-a84fd56cebb1/
SH256 hash:
321d1dae7337baf58238a3471e2ba16b04b1bd7576c627462ebf346cfe17c364
MD5 hash:
f5e91db84bcd18ad4099d9c60f2205b4
SHA1 hash:
49416cee79c15ad3df6834073baf8ab07064d43a
Link:
https://www.unpac.me/results/2858694f-b55f-4f3e-afba-a84fd56cebb1/
SH256 hash:
c06d4e3d0205d9bdd4a4b40b8da710d698b3a5d73a1626c9ca058c10b2c6d00c
MD5 hash:
7f67414b3fd29299f2d29ad7c2afb995
SHA1 hash:
2ec40d57c08c47433a6d044d271d74005dddae8d
Link:
https://www.unpac.me/results/2858694f-b55f-4f3e-afba-a84fd56cebb1/
SH256 hash:
ba4721d93c056ef1763667732344fdc82066d71f0003e18ad03f6d93307b82fe
MD5 hash:
25fcc01067cabbf5d1aa3a2f8b18ed50
SHA1 hash:
9f45d2e8e415ab38f42e4edb9b503ce82fed2402
Link:
https://www.unpac.me/results/2858694f-b55f-4f3e-afba-a84fd56cebb1/
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/ba4721d93c056ef1763667732344fdc82066d71f0003e18ad03f6d93307b82fe

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 ba4721d93c056ef1763667732344fdc82066d71f0003e18ad03f6d93307b82fe

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/978941/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/113983/

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