MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5d8a24e97905a0333243481930777008b654c43dd04bbf995d75334183c8070. 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: 9


Intelligence 9 IOCs YARA File information Comments
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SHA256 hash: b5d8a24e97905a0333243481930777008b654c43dd04bbf995d75334183c8070
SHA3-384 hash: e8ac5ea66e324c060402d460cbda1e19b3a551afc8d79afc1de0bdd163d522e50599d39133c89d40253874353cd2e982
SHA1 hash: cad076564cbd9ce8c30b8dc0f3ff4797c7176bc5
MD5 hash: 35653582d3684ef388121dca3c76e4f1
humanhash: three-failed-lion-washington
File name:bank payment confirmation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'434'624 bytes
First seen:2021-04-14 13:30:17 UTC
Last seen:2021-04-15 19:25:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:1QkPXrGQtxtO919PJW99C8IzaJIMIv605nOFu6AxrMXMNJ7bW:pPXJfYXhW99eHtTxO6Mgh
Threatray 4'639 similar samples on MalwareBazaar
TLSH 4A65022223F88B25F2BF7B756432125407F1F886DB35E20D3EA540DD0A79F6189667A3
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bank payment confirmation.exe
Verdict:
Malicious activity
Analysis date:
2021-04-14 14:06:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e774e71c-0913-467a-a495-7eed51bf2a5b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/134069/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.646-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/675254
Signature
.NET source code references suspicious native API functions
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 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
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
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 386569 Sample: bank payment confirmation.exe Startdate: 14/04/2021 Architecture: WINDOWS Score: 100 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Multi AV Scanner detection for dropped file 2->69 71 12 other signatures 2->71 11 bank payment confirmation.exe 7 2->11         started        process3 file4 45 C:\Users\user\AppData\...\PDcNEPhsKZGqk.exe, PE32 11->45 dropped 47 C:\...\PDcNEPhsKZGqk.exe:Zone.Identifier, ASCII 11->47 dropped 49 C:\Users\user\AppData\Local\...\tmp4147.tmp, XML 11->49 dropped 51 C:\...\bank payment confirmation.exe.log, ASCII 11->51 dropped 87 Writes to foreign memory regions 11->87 89 Injects a PE file into a foreign processes 11->89 15 RegSvcs.exe 6 11->15         started        19 RegSvcs.exe 11->19         started        21 schtasks.exe 1 11->21         started        signatures5 process6 file7 53 C:\Users\user\AppData\Roaming\suSwVklf.exe, PE32 15->53 dropped 61 Injects a PE file into a foreign processes 15->61 23 RegSvcs.exe 15->23         started        26 schtasks.exe 1 15->26         started        63 Tries to detect virtualization through RDTSC time measurements 19->63 28 conhost.exe 21->28         started        signatures8 process9 signatures10 79 Modifies the context of a thread in another process (thread injection) 23->79 81 Maps a DLL or memory area into another process 23->81 83 Sample uses process hollowing technique 23->83 85 Queues an APC in another process (thread injection) 23->85 30 explorer.exe 23->30 injected 34 conhost.exe 26->34         started        process11 dnsIp12 55 www.wfl.xyz 64.190.62.111, 49781, 80 NBS11696US United States 30->55 57 yossiamoday.com 185.56.74.228, 49777, 80 JETSERVER-LTDIL Israel 30->57 59 2 other IPs or domains 30->59 91 System process connects to network (likely due to code injection or exploit) 30->91 93 Performs DNS queries to domains with low reputation 30->93 36 svchost.exe 30->36         started        39 autoconv.exe 30->39         started        signatures13 process14 signatures15 73 Modifies the context of a thread in another process (thread injection) 36->73 75 Maps a DLL or memory area into another process 36->75 77 Tries to detect virtualization through RDTSC time measurements 36->77 41 cmd.exe 1 36->41         started        process16 process17 43 conhost.exe 41->43         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5d8a24e97905a0333243481930777008b654c43dd04bbf995d75334183c8070/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-04-14 12:59:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxmketuxsbnagmzegsazgb3xacfwktcd3uclx6mv25jtigb4qbya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
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b69927fbfd7eb038b59aa9b7e9f49cb02d127d48fcf6517e65a379e982e806bc
Formbook
c69e54b704c7d7e94faa9c3ea2519eef344e1099aa99271833bc56cae00ab8af
Formbook
e5561555b0be45246e4ce5418a203d5a0d800595de770d772d0d86d0ed2662bb
Formbook
+ 4'629 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/210414-qjybemrehx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
Link:
https://www.unpac.me/results/454ebd44-015e-40a1-8b9d-46504a7a2696/
SH256 hash:
b5d8a24e97905a0333243481930777008b654c43dd04bbf995d75334183c8070
MD5 hash:
35653582d3684ef388121dca3c76e4f1
SHA1 hash:
cad076564cbd9ce8c30b8dc0f3ff4797c7176bc5
Link:
https://www.unpac.me/results/454ebd44-015e-40a1-8b9d-46504a7a2696/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/b5d8a24e97905a0333243481930777008b654c43dd04bbf995d75334183c8070

File information

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

Malspam

Formbook

zip 28da3e7f482195efb0309cf214b45a261a95fa0d199f6139d9d610328ed4e1c7

Formbook

Executable exe b5d8a24e97905a0333243481930777008b654c43dd04bbf995d75334183c8070

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 28da3e7f482195efb0309cf214b45a261a95fa0d199f6139d9d610328ed4e1c7
Cape
Cape
https://www.capesandbox.com/analysis/134069/

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