MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22259dc22f3239bde439c60287d4498f423a35c8e1c2b5963616569d9786252f. 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 4 File information Comments

SHA256 hash: 22259dc22f3239bde439c60287d4498f423a35c8e1c2b5963616569d9786252f
SHA3-384 hash: 4cbb71909e9088535f1c1b3819c8300b056d2d62330c8c42ecb0df519ae18a2fa1ad2949940ffa158f58bf3cae7a2fbb
SHA1 hash: 5a46a974a3e251edebbf2830f3f73846b9d247ae
MD5 hash: dcb542f76287b2ee454a34d764ff96b1
humanhash: september-mirror-maryland-virginia
File name:dcb542f76287b2ee454a34d764ff96b1.exe
Download: download sample
Signature Formbook
File size:721'408 bytes
First seen:2022-02-11 07:23:32 UTC
Last seen:2022-02-11 08:38:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:BbQcUkSz7LnRZ4wNHYla2pv+D/BHogaojoP298jSym+g9vcXF90tOadDB3WhGJBK:RsLRuwNHWID/Rohm+g9EL0xohGn1c
Threatray 13'269 similar samples on MalwareBazaar
TLSH T164E4136425E98B23C59D177EA1BAB5041BFEBA072456F70E0A92A0F80533BC0D527F97
File icon (PE):PE icon
dhash icon f0c4b2d4f0a2ccf0 (25 x AgentTesla, 9 x Formbook, 6 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 570812 Sample: vktRvy5e8Y.exe Startdate: 11/02/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AntiVM3 2->38 40 3 other signatures 2->40 10 vktRvy5e8Y.exe 3 2->10         started        process3 file4 32 C:\Users\user\AppData\...\vktRvy5e8Y.exe.log, ASCII 10->32 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 vktRvy5e8Y.exe 10->14         started        17 vktRvy5e8Y.exe 10->17         started        19 vktRvy5e8Y.exe 10->19         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 21 explorer.exe 14->21 injected process8 process9 23 wscript.exe 21->23         started        signatures10 42 Self deletion via cmd delete 23->42 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        28 explorer.exe 106 23->28         started        process11 process12 30 conhost.exe 26->30         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-11 03:29:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 43 (44.19%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Drops file in Windows directory
Unpacked files
SH256 hash:
f365b92b11041eed57b6f7534e83e04167fce1cfacc570e79335292f3c0ea8aa
MD5 hash:
9147a2ef317fe384182d1281e5af8110
SHA1 hash:
bbe360e6eca29a32e1f787e1416ddad4d35dcf1a
SH256 hash:
c74ee795d0b5309d868f8d42c3496536164bb59b5d8c8cb1a470157f721bc394
MD5 hash:
eaa7f806bf5e53985976ebf3105c98fe
SHA1 hash:
ac1acdb55bff9721be7eef3dc9131f89b013177f
SH256 hash:
0e1e7e6b281c8bf21de0860819a276448845147b2be44a1ce828232d1d73dd82
MD5 hash:
40c012669b557c50de2753b3c4c807a8
SHA1 hash:
81c39c46e86d6c3f34ee3a1a8b1355e8d8082870
SH256 hash:
22259dc22f3239bde439c60287d4498f423a35c8e1c2b5963616569d9786252f
MD5 hash:
dcb542f76287b2ee454a34d764ff96b1
SHA1 hash:
5a46a974a3e251edebbf2830f3f73846b9d247ae
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:exec_macros
Author:ddvvmmzz
Description:exec macros
Rule name:obfuscate_macros
Author:ddvvmmzz
Description:obfuscate macros
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 22259dc22f3239bde439c60287d4498f423a35c8e1c2b5963616569d9786252f

(this sample)

  
Delivery method
Distributed via web download

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