MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6403d40c99b5036c9410e11c11872bdceb1955da70a17bdb979cac381d09cc74. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6403d40c99b5036c9410e11c11872bdceb1955da70a17bdb979cac381d09cc74
SHA3-384 hash: a78accdcd3a3a2ae3c2c70d9b7d3dba1e9231d7885fd0632216fa32096dc90e00404f812f0eff89d7dc8193a6b215f40
SHA1 hash: 37c763fa03d90f6f713062114062c0232192d3af
MD5 hash: c1bad7da74a16ef6d58e4b39bdcfe059
humanhash: yankee-blue-aspen-diet
File name:QUOTATION-PDF- SCAN COPY.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:405'504 bytes
First seen:2022-01-18 11:24:51 UTC
Last seen:2022-01-18 15:17:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:2WXm1wUB8mRRBAeHMFKrjpgkDxkRRRRRER:xXBEjpgcxkRRRRRER
Threatray 12'776 similar samples on MalwareBazaar
TLSH T1028412EF53ADBA57CDF701BD9891908E91F4C71B7959E3888A0264AB4A537E25C001F3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION-PDF- SCAN COPY.exe
Verdict:
Malicious activity
Analysis date:
2022-01-18 11:27:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/643a3244-c00d-4855-841c-e37a7d47f087

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/220100/
Detection(s):
SecuriteInfo.com.Variant.Tedy.21012.22551.32083.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Sending an HTTP GET request
Launching the process to change network settings
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61e6a395d32385db63015755/reports/7782cdff-1c6a-4c94-a963-625610546b03/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/efdac6dc-d0d3-41f7-aceb-0eb660a6547d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/922326
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Sigma detected: Suspicius Add Task From User AppData Temp
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 554804 Sample: QUOTATION-PDF- SCAN COPY.exe Startdate: 18/01/2022 Architecture: WINDOWS Score: 100 41 www.stecmedia.com 2->41 43 stecmedia.com 2->43 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 14 other signatures 2->57 11 QUOTATION-PDF- SCAN COPY.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\Roaming\ZVGfTKocv.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmp3B63.tmp, XML 11->39 dropped 61 Adds a directory exclusion to Windows Defender 11->61 15 QUOTATION-PDF- SCAN COPY.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 45 www.trynutiliti.com 22->45 47 www.dental-implants-us-prices.site 22->47 49 ghs.googlehosted.com 142.250.203.115, 49815, 80 GOOGLEUS United States 22->49 59 System process connects to network (likely due to code injection or exploit) 22->59 30 svchost.exe 22->30         started        signatures11 process12 signatures13 63 Self deletion via cmd delete 30->63 65 Modifies the context of a thread in another process (thread injection) 30->65 67 Maps a DLL or memory area into another process 30->67 69 Tries to detect virtualization through RDTSC time measurements 30->69 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6403d40c99b5036c9410e11c11872bdceb1955da70a17bdb979cac381d09cc74/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-18 11:25:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mqb5idezwubwzfaq4eobdbzl3tvrsvo2ocqxxw4xtswdqhijzr2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0123fdb2e8de200e6fa07cd5c254771143b7d9fea4f6895077b4f609fc5ae1cf
Formbook
0789b4aec138cf9c5bc3b01774fc8ed075dadf40c8ecf97058c201c9de22160e
Formbook
1bb913d6f594107a8c8d4d64f9a3de85c602813d9ad93189b9949fbc8a93aa32
Formbook
2a2187ae775f286c2400957b71aac1c550779fc6652a710d126546d4d4879f0f
Formbook
2e6c1e04f6f08de897e180ebf20a7ee0c5dc54e1c4041580386e24f8fbf67658
Formbook
6d1ae3278059d592ae7c4426df9456553b8abfbc3bd90ce0f8d1792e94ae95c2
Formbook
7ed04ae044306c081040b3b0711a8d2fc725996e5f529a94c7ca88b56a944d75
Formbook
942196f0ca8e1253e7dd381b1855e4b56b8874a2d5def9d472507ddaf306ac86
Formbook
cd3932d4db9fcac1b45dec936ab8e2b4e0fa3f5fc58abf418887962931000807
Formbook
fedeb19031bcc0941b0943dd3ed45ee6095b8c489c072c85e513b414abf8acf5
Formbook
+ 12'766 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m17y rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220118-nja5tsbafp/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ab470fd714fc34133c14152b089ccf3ab67b30bd4b4b2f43641988dae8024d3c
MD5 hash:
4d770b2150ee0e4b34444f7c96e8f33c
SHA1 hash:
1cec212039c7d3758cf562ec504927da36ace1b9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0b9956aa-7ba6-4249-9263-01702bb1afe6/
Parent samples :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 hash:
52aa7c16a6eb4c879d8a879c8656c693cdbf77f418992d7bb932f46aba26732d
MD5 hash:
cb6ce91ee0ad5ebecb34230447253091
SHA1 hash:
b70fcf60d705b9414ad3b6b997412e7ad75e96a3
Link:
https://www.unpac.me/results/0b9956aa-7ba6-4249-9263-01702bb1afe6/
SH256 hash:
d5f975d2fa03f5478c04c0dff32f6adbfc5e9f43c505d47b85cd1677903e3da2
MD5 hash:
c2060336c4a761ecbfc59cd91adf3d23
SHA1 hash:
ac221414d8737922dab7655fdf40071bdf58fbb1
Link:
https://www.unpac.me/results/0b9956aa-7ba6-4249-9263-01702bb1afe6/
SH256 hash:
684454610997532436b2a50e04fee206e17c8376713a91fd86c92f17c8fd65d2
MD5 hash:
2097d0cda2d940cf94b8181d8e0e2a3d
SHA1 hash:
46ca54fbcb3ca9e59bb04c25994ae2e666921d63
Link:
https://www.unpac.me/results/0b9956aa-7ba6-4249-9263-01702bb1afe6/
SH256 hash:
6403d40c99b5036c9410e11c11872bdceb1955da70a17bdb979cac381d09cc74
MD5 hash:
c1bad7da74a16ef6d58e4b39bdcfe059
SHA1 hash:
37c763fa03d90f6f713062114062c0232192d3af
Link:
https://www.unpac.me/results/0b9956aa-7ba6-4249-9263-01702bb1afe6/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6403d40c99b5/report/overview.html
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/6403d40c99b5036c9410e11c11872bdceb1955da70a17bdb979cac381d09cc74

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 6403d40c99b5036c9410e11c11872bdceb1955da70a17bdb979cac381d09cc74

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/220100/

Comments