MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 902b6928c170fcb6980717091355f7f13d530701b8dac9f24041fbd11a1ddc71. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 902b6928c170fcb6980717091355f7f13d530701b8dac9f24041fbd11a1ddc71
SHA3-384 hash: 0e0e00e5f31d5a5f2def141e33d7f1e009b186e345e67b7764c8fc3424f514bee470122d90e4d0774572769f3fc35286
SHA1 hash: 959ea521fccb5d08b48c3508ee042e1bd426a221
MD5 hash: 8ea3b6a3901bd2793dfc396eb0b28f9b
humanhash: alabama-september-delaware-maine
File name:Request for Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:577'024 bytes
First seen:2023-09-15 10:37:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:FG2iNAe5+TDIxx11Nl1ZyM06feySuCB8QEnInyrTsNrr:FG1x8fID/Nl1Zy3Juy8Q6IynsNr
Threatray 1'926 similar samples on MalwareBazaar
TLSH T17EC42300A3A84792D17427F408A65E9983FA9F1D47E6FE280DC535EE57B8FC026513EB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Request for Quotation.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 10:38:33 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/fab3a2d5-7784-4596-b644-7e1bc478c971

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/448811/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6504340a1a86bbaa1f83c244/reports/6838c82e-23ff-4d55-ad3c-f1cc58a53c22/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/902b6928c170fcb6980717091355f7f13d530701b8dac9f24041fbd11a1ddc71
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/5b3f08f0-024c-49fb-9b15-3cc3c1b15e92
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308876
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308876 Sample: Request_for_Quotation.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 8 other signatures 2->43 10 Request_for_Quotation.exe 4 2->10         started        process3 signatures4 57 Adds a directory exclusion to Windows Defender 10->57 59 Tries to detect virtualization through RDTSC time measurements 10->59 61 Injects a PE file into a foreign processes 10->61 13 Request_for_Quotation.exe 10->13         started        16 powershell.exe 19 10->16         started        process5 signatures6 63 Modifies the context of a thread in another process (thread injection) 13->63 65 Maps a DLL or memory area into another process 13->65 67 Sample uses process hollowing technique 13->67 69 Queues an APC in another process (thread injection) 13->69 18 explorer.exe 2 18 13->18 injected 22 conhost.exe 16->22         started        process7 dnsIp8 31 198.54.117.217, 49725, 80 NAMECHEAP-NETUS United States 18->31 33 www.blamewho.com 72.14.178.174, 49715, 80 LINODE-APLinodeLLCUS United States 18->33 35 11 other IPs or domains 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 47 Performs DNS queries to domains with low reputation 18->47 49 Uses netsh to modify the Windows network and firewall settings 18->49 24 netsh.exe 18->24         started        signatures9 process10 signatures11 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53 55 Tries to detect virtualization through RDTSC time measurements 24->55 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/902b6928c170fcb6980717091355f7f13d530701b8dac9f24041fbd11a1ddc71/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-15 07:25:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=savwskgbod6lngahc4ergvpx6e6vgbybxdnmt4saih55cgq53ryq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5
Formbook
229acb9011d2cf600c9112b5f7d19cba56d9bf5ecc20880a6c760e10f685b244
Formbook
4b2c21ea5f69768b3fa702304683c99e18dea0823d0c8585cec84be4210f08da
Formbook
75f95b9c0daa55a9d00d3fdc76b74a142314da0f225e6a7fcec22a0582d392d5
Formbook
80c223f70302436ab080c4c7e8d75f3b3d60c4266a41d0afc56fc6c52cb04352
Formbook
ab080c6c62ba54b560f3feb271626ae0fe1804834f51eeac008f576f4e1299a0
Formbook
b3811fa28d3e22cf5029476f6870c54e7fcd4d68da1342bb199ca6d41ed9ff56
Formbook
d0f12689eacf1ad6c798d62635bf7f18a855264a42e072ca9a2cb6a742a39dba
Formbook
d279e3202c62da190c154aaa835cffce869db3b7811c382bd8b51cd339302589
Formbook
d81949804bc29604ac2de2ac9f2d360deae54a39d28edfbc9b323868b619b059
Formbook
+ 1'916 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:go95 rat spyware stealer trojan
Link:
https://tria.ge/reports/230915-mpdmgaba6z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
0db0aa94a87dbc55dd9c74934e159b5a13bd1cafe527fa6229a2c96774a376fe
MD5 hash:
a5229e56bd178f09f57752faa201bc18
SHA1 hash:
35c5434c09a3179c2c6f7d3016afdb7aa38b5c8f
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/71774fc8-3981-4432-ac5e-8c78f0e087dd/
SH256 hash:
0cc2d545cdbc9aca7ac5732fc2e1858bae1b8c575e67f0b4b8077610c5597806
MD5 hash:
604ba9fe5293c6b09155e9593e5fe8b4
SHA1 hash:
c9ca531c5c50091dcdeabea6af26643e897fe3f8
Link:
https://www.unpac.me/results/71774fc8-3981-4432-ac5e-8c78f0e087dd/
SH256 hash:
4097518d11fb9249ffd541f5bc7f3b52fc0bb5a8c3e3398a84d089b9e422b3f5
MD5 hash:
060e29d83049f18cbb1541788cb036c5
SHA1 hash:
2d59f93323833c921a973a9b6401fefe072108af
Link:
https://www.unpac.me/results/71774fc8-3981-4432-ac5e-8c78f0e087dd/
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/71774fc8-3981-4432-ac5e-8c78f0e087dd/
Parent samples :
cef72412a1dd9486bae5f7e606d4330660fba98575ba1c939559ccc83536f41a
81ccf158093718305b3499d0f16d8a82bcad69f2740066daca8d5b5ca9979688
SH256 hash:
902b6928c170fcb6980717091355f7f13d530701b8dac9f24041fbd11a1ddc71
MD5 hash:
8ea3b6a3901bd2793dfc396eb0b28f9b
SHA1 hash:
959ea521fccb5d08b48c3508ee042e1bd426a221
Link:
https://www.unpac.me/results/71774fc8-3981-4432-ac5e-8c78f0e087dd/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/902b6928c170/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/902b6928c170fcb6980717091355f7f13d530701b8dac9f24041fbd11a1ddc71

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 902b6928c170fcb6980717091355f7f13d530701b8dac9f24041fbd11a1ddc71

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/448811/

Comments