MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3c59f0715602b536f8dfe5bb73da2e9f31976f3f21441ae9b29f8e28e5888d1. 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: 14


Intelligence 14 IOCs YARA File information Comments 1

SHA256 hash: d3c59f0715602b536f8dfe5bb73da2e9f31976f3f21441ae9b29f8e28e5888d1
SHA3-384 hash: 4fab3a21f7ea9ddd35aeede87e5c92ae9548bdeaf09c7ae7a3f34e5eb05e3ea088d14c0c9e690d29a51981a2135e8c87
SHA1 hash: 4f0c54b2bacceebcb0f5dc24a505dade60208ddc
MD5 hash: 2caa60cb96a0cba966ac759b73f01bd9
humanhash: march-massachusetts-iowa-coffee
File name:2caa60cb96a0cba966ac759b73f01bd9
Download: download sample
Signature Formbook
File size:315'369 bytes
First seen:2021-12-03 10:51:25 UTC
Last seen:2021-12-03 12:44:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGi1PVvYv32+mseVUk1K0sJQtIXN8IoAuTgZ9Ss6CCgVTFzJL:hPN43G1P4JeIXN81xgfSs6DgVZ1L
Threatray 12'032 similar samples on MalwareBazaar
TLSH T1A46422466BC682F7E86D0E7055B2C3B7E3FBC5C001630A5B97484F66AEB215F990B781
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
new order.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-03 10:04:50 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer

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
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
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
Antivirus detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 533275 Sample: pbT5QC3lI4 Startdate: 03/12/2021 Architecture: WINDOWS Score: 100 31 www.cxyzjsrc.com 2->31 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for dropped file 2->41 43 4 other signatures 2->43 11 pbT5QC3lI4.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\swablgco.dll, PE32 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 pbT5QC3lI4.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.sbyidn.net 91.195.240.94, 49814, 80 SEDO-ASDE Germany 18->33 35 www.cubana-pablo.com 35.209.101.201, 49823, 80 GOOGLE-2US United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 systray.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2021-12-03 10:52:11 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 28 (71.43%)
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:
d3c59f0715602b536f8dfe5bb73da2e9f31976f3f21441ae9b29f8e28e5888d1
MD5 hash:
2caa60cb96a0cba966ac759b73f01bd9
SHA1 hash:
4f0c54b2bacceebcb0f5dc24a505dade60208ddc
Malware family:
FormBook
Verdict:
Malicious
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 d3c59f0715602b536f8dfe5bb73da2e9f31976f3f21441ae9b29f8e28e5888d1

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-12-03 10:51:26 UTC

url : hxxp://23.254.132.212/brok/brok.exe