MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af58db12288c548478a81e91b4e288ede34671f2404da89f8250b14e221bb12f. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af58db12288c548478a81e91b4e288ede34671f2404da89f8250b14e221bb12f
SHA3-384 hash: fbcaf684230b47e139f3d090e85bcae36f2e2dbb8a05a9d9c7a85969529049fa24cd2d2c4e6438e80c7f4d8bdc770694
SHA1 hash: f86f3c47b77bc00e9722c863d5af35b1c225d77f
MD5 hash: 8c3b98a8d27573331f86a66a9f8a92dc
humanhash: florida-juliet-burger-mike
File name:8c3b98a8d27573331f86a66a9f8a92dc
Download: download sample
Signature Formbook
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File size:953'344 bytes
First seen:2021-07-23 08:10:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:pMpP1e0b97RaIMfWupNvUzP5VHRhW2C4dPXM+fWDi/LwvKxyaUVKnpypTHdbXes7:+teKRIOupN0PzHRhWEdfMli/LaahpK
TLSH T14115AFAC3223B19ECC67C5B29D685C60EA25787A531FC217501321BCED7E5AADF901F2
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Inquiry B86001 -02.xlsx
Verdict:
Malicious activity
Analysis date:
2021-07-23 06:18:09 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/69302420-1937-40bd-b0de-7b0796e4a2e9

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/173555/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
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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/9e700a2e-7ee1-44dc-97d8-0a13f60c64e2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820619
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 453030 Sample: sVhrjyN0LY Startdate: 23/07/2021 Architecture: WINDOWS Score: 100 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 5 other signatures 2->50 9 sVhrjyN0LY.exe 3 2->9         started        process3 file4 28 C:\Users\user\AppData\...\sVhrjyN0LY.exe.log, ASCII 9->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 9->52 54 Injects a PE file into a foreign processes 9->54 13 sVhrjyN0LY.exe 9->13         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 16 msiexec.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 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 Tries to detect virtualization through RDTSC time measurements 16->40 22 cmd.exe 1 16->22         started        30 surreal-myzrael.com 160.153.136.3, 49765, 80 GODADDY-AMSDE United States 19->30 32 www.surreal-myzrael.com 19->32 34 2 other IPs or domains 19->34 42 System process connects to network (likely due to code injection or exploit) 19->42 24 autofmt.exe 19->24         started        signatures10 process11 process12 26 conhost.exe 22->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/af58db12288c548478a81e91b4e288ede34671f2404da89f8250b14e221bb12f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-23 08:04:02 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
  5/5
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210723-vy7t4h95cn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.surreal-myzrael.com/z7a/
Unpacked files
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
Link:
https://www.unpac.me/results/52676466-18fd-4b97-91fb-2e08fa3e5a86/
SH256 hash:
af58db12288c548478a81e91b4e288ede34671f2404da89f8250b14e221bb12f
MD5 hash:
8c3b98a8d27573331f86a66a9f8a92dc
SHA1 hash:
f86f3c47b77bc00e9722c863d5af35b1c225d77f
Link:
https://www.unpac.me/results/52676466-18fd-4b97-91fb-2e08fa3e5a86/
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/af58db12288c548478a81e91b4e288ede34671f2404da89f8250b14e221bb12f

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.

Web download

Formbook

Executable exe af58db12288c548478a81e91b4e288ede34671f2404da89f8250b14e221bb12f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1475364/
Cape
Cape
https://www.capesandbox.com/analysis/173555/

Comments


Avatar
zbet commented on 2021-07-23 08:10:13 UTC

url : hxxp://180.214.236.151/processes/dllhost.exe