MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f07a598af4561c05a03cd5aeb3030b5b49bd15b8bc53ac900397a07c76068e08. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: f07a598af4561c05a03cd5aeb3030b5b49bd15b8bc53ac900397a07c76068e08
SHA3-384 hash: a5c11045a843f1cd456319c9703ca54909db33648edce636cbb9370c85090441a7991a5d50fd083176c3b41abeaa68c6
SHA1 hash: 3ae4c9be7ba8da16cc7f79a867ee5677923dbe1a
MD5 hash: b4531b6638843bcdd1cac1a9df2901dd
humanhash: twelve-april-mike-sad
File name:Payment1907202200110011.pdf.exe
Download: download sample
Signature Formbook
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File size:799'232 bytes
First seen:2022-07-19 09:17:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:tNxs2iNGNzB0WpNCWb2gb3IU3XgpnBACEAyMJ6XiOFWKA8imPdcaFlSNS:t81ENl0ssO9ngBLvyM4iqFA8aaQS
TLSH T19C0512523BB05728C079073520B2D0516BF5AF452492CF9EBEC273EE5BB174A4762A2F
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/291814/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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SecuriteInfo.com.Trojan.Packed2.44341.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62d676e30e298a94f3dd9769/reports/ef93e5d2-a8a7-467b-adbd-98f8151b4ed8/overview
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/67d15508-8b80-4e45-916c-c8a659feb05a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036405
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in 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 dropped file
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 668895 Sample: Payment1907202200110011.pdf.exe Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 42 www.srskes.com 2->42 44 www.maquinadecomisiones.com 2->44 46 3 other IPs or domains 2->46 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 9 other signatures 2->60 11 Payment1907202200110011.pdf.exe 3 2->11         started        signatures3 process4 file5 40 C:\...\Payment1907202200110011.pdf.exe.log, ASCII 11->40 dropped 74 Injects a PE file into a foreign processes 11->74 15 Payment1907202200110011.pdf.exe 11->15         started        signatures6 process7 signatures8 76 Modifies the context of a thread in another process (thread injection) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Sample uses process hollowing technique 15->80 82 Queues an APC in another process (thread injection) 15->82 18 explorer.exe 3 6 15->18 injected process9 dnsIp10 48 www.wifonboard.com 185.53.179.170, 49808, 80 TEAMINTERNET-ASDE Germany 18->48 50 tapsstartdigitall.com 151.106.116.144, 49836, 80 PLUSSERVER-ASN1DE Germany 18->50 52 19 other IPs or domains 18->52 36 C:\Program Files (x86)\...\Cookies7nxtqht.exe, PE32 18->36 dropped 38 C:\Users\user\AppData\...\Cookies7nxtqht.exe, PE32 18->38 dropped 62 System process connects to network (likely due to code injection or exploit) 18->62 64 Benign windows process drops PE files 18->64 23 rundll32.exe 1 13 18->23         started        26 Cookies7nxtqht.exe 2 18->26         started        28 Cookies7nxtqht.exe 2 18->28         started        30 autochk.exe 18->30         started        file11 signatures12 process13 signatures14 66 Tries to steal Mail credentials (via file / registry access) 23->66 68 Tries to harvest and steal browser information (history, passwords, etc) 23->68 70 Modifies the context of a thread in another process (thread injection) 23->70 72 Maps a DLL or memory area into another process 23->72 32 cmd.exe 1 23->32         started        process15 process16 34 conhost.exe 32->34         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/f07a598af4561c05a03cd5aeb3030b5b49bd15b8bc53ac900397a07c76068e08/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-07-19 09:18:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
54
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6b5ftcxukyoalib42wxlgayllne32fnyxrj2zeads6qhy5qgryea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  10/10
Tags:
suricata
Link:
https://tria.ge/reports/220719-k9lgpsaff2/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Blocklisted process makes network request
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/808aca04-24e5-4d7d-b1fc-67de0624fb4f/
SH256 hash:
54cc50b482a373784db0b589aa95d9ff7e049891b2482488c1bf93016a726878
MD5 hash:
9d8bc4d360b39abfec6aec9309f20004
SHA1 hash:
8932fd9df022c3ec58d1e649527bed66cb81085e
Link:
https://www.unpac.me/results/808aca04-24e5-4d7d-b1fc-67de0624fb4f/
SH256 hash:
781c78f48dc35cb66432bd1826965cc59fb100d4d12c04432a2c92361f8364c3
MD5 hash:
4bfe50310c7b0dd87da13cc6109f0190
SHA1 hash:
2e3cfcf114927e004ea7788b29e5dc45c5f9e246
Link:
https://www.unpac.me/results/808aca04-24e5-4d7d-b1fc-67de0624fb4f/
SH256 hash:
f07a598af4561c05a03cd5aeb3030b5b49bd15b8bc53ac900397a07c76068e08
MD5 hash:
b4531b6638843bcdd1cac1a9df2901dd
SHA1 hash:
3ae4c9be7ba8da16cc7f79a867ee5677923dbe1a
Link:
https://www.unpac.me/results/808aca04-24e5-4d7d-b1fc-67de0624fb4f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/f07a598af4561c05a03cd5aeb3030b5b49bd15b8bc53ac900397a07c76068e08

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
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Rule name:Skystars_Malware_Imphash
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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 f07a598af4561c05a03cd5aeb3030b5b49bd15b8bc53ac900397a07c76068e08

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/291814/

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