MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b66d6c6e18090a5f05fe4ecf925b670a2d98737e2557ecc57aa269697022f6bf. 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 File information Comments

SHA256 hash: b66d6c6e18090a5f05fe4ecf925b670a2d98737e2557ecc57aa269697022f6bf
SHA3-384 hash: 92fb284280fd63965158f822d79e5dbf3ca60ca40de42b6b63cada7a6b9f8a0ed8e3cc7dea364236472fcd9e47b041c8
SHA1 hash: d368acb1bf48bfad5463dbe2437acf99b00c67c9
MD5 hash: b08224cb12c7c35e202004c112b36243
humanhash: nitrogen-thirteen-twenty-seventeen
File name:b08224cb12c7c35e202004c112b36243.exe
Download: download sample
Signature Formbook
File size:312'689 bytes
First seen:2021-12-10 08:58:54 UTC
Last seen:2021-12-10 11:20:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGinAVFSVufZe60R8O/6M47C53HhDvStb4cVoczrBdfK:bkUAZe685Sb+53Bi4c6czrBdy
TLSH T1B9641256B8C5D36FE7E6853A64767BF8B3FD09F64382095B43C42F263E220CB8916521
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
stocks.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-10 02:21:01 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay 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
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 537658 Sample: JqaBvSmza5.exe Startdate: 10/12/2021 Architecture: WINDOWS Score: 100 34 www.facecapades.com 2->34 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 3 other signatures 2->50 10 JqaBvSmza5.exe 17 2->10         started        14 explorer.exe 63 2->14         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\ormsrze.dll, PE32 10->32 dropped 60 Tries to detect virtualization through RDTSC time measurements 10->60 62 Injects a PE file into a foreign processes 10->62 16 JqaBvSmza5.exe 10->16         started        signatures6 process7 signatures8 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Sample uses process hollowing technique 16->40 42 Queues an APC in another process (thread injection) 16->42 19 chkdsk.exe 16->19         started        22 explorer.exe 16->22 injected 24 autochk.exe 16->24         started        process9 signatures10 52 Self deletion via cmd delete 19->52 54 Modifies the context of a thread in another process (thread injection) 19->54 56 Maps a DLL or memory area into another process 19->56 58 Tries to detect virtualization through RDTSC time measurements 19->58 26 cmd.exe 1 19->26         started        28 explorer.exe 1 146 19->28         started        process11 process12 30 conhost.exe 26->30         started       
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2021-12-10 08:56:47 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:h2b0 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.brocoser.com/h2b0/
Unpacked files
SH256 hash:
b66d6c6e18090a5f05fe4ecf925b670a2d98737e2557ecc57aa269697022f6bf
MD5 hash:
b08224cb12c7c35e202004c112b36243
SHA1 hash:
d368acb1bf48bfad5463dbe2437acf99b00c67c9
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

Executable exe b66d6c6e18090a5f05fe4ecf925b670a2d98737e2557ecc57aa269697022f6bf

(this sample)

  
Delivery method
Distributed via web download

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