MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecbd962b911092c413981ee5be8ed7a0e20fb0f6607568be7adaace5d3873368. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecbd962b911092c413981ee5be8ed7a0e20fb0f6607568be7adaace5d3873368
SHA3-384 hash: f43d217fb1a229593785d5c08b08e6b745c73cc0f23886b9fbf7cb0cf4ef7cb705b726974a60e153b704abc510c9fe6c
SHA1 hash: afc5f4c5258ce76f2df95e8e20d0ba365772b5d1
MD5 hash: 063d909ceffa599e1b66ba500c8f66a2
humanhash: eight-earth-item-undress
File name:Financial Results April 21.pptx (9,753K).exe
Download: download sample
Signature Formbook
Create hunting rule
File size:675'328 bytes
First seen:2021-04-19 17:59:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:o2+LpxcKv153CeRuVbNnxf69TSh7OMJSJ9l/aUw7Jn:olrjv73o/Z6AJSJjaNJ
Threatray 4'810 similar samples on MalwareBazaar
TLSH 3EE4E0E52B46D32CD938ABB8084542F133F37C1152D9DAC57DC43E5F686B242C6EE2A6
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Financial Results April 21.pptx (9,753K).exe
Verdict:
Malicious activity
Analysis date:
2021-04-19 18:09:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2d69d89c-4bd8-4c5a-b689-96d146827da5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/138696/
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/687492
Signature
Antivirus detection for URL or domain
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 392694 Sample: Financial Results April 21.... Startdate: 19/04/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 8 other signatures 2->46 10 Financial Results April 21.pptx (9,753K).exe 3 2->10         started        process3 file4 32 Financial Results ...tx (9,753K).exe.log, ASCII 10->32 dropped 58 Injects a PE file into a foreign processes 10->58 14 Financial Results April 21.pptx (9,753K).exe 10->14         started        17 Financial Results April 21.pptx (9,753K).exe 10->17         started        19 Financial Results April 21.pptx (9,753K).exe 10->19         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 21 explorer.exe 14->21 injected process8 dnsIp9 34 www.sexyselling.com 185.151.30.150, 49752, 80 TWENTYIGB United Kingdom 21->34 36 www.bobacravings.com 74.208.236.230, 49740, 80 ONEANDONE-ASBrauerstrasse48DE United States 21->36 38 10 other IPs or domains 21->38 48 System process connects to network (likely due to code injection or exploit) 21->48 50 Uses netsh to modify the Windows network and firewall settings 21->50 25 netsh.exe 21->25         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 25->52 54 Maps a DLL or memory area into another process 25->54 56 Tries to detect virtualization through RDTSC time measurements 25->56 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ecbd962b911092c413981ee5be8ed7a0e20fb0f6607568be7adaace5d3873368/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5s6zmk4rccjmie4yd3s35dwxudra7mhwmb2wrpt23kwolu4hgnua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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bde11e5f0bd0e97d5fec3572de59518b300d0a27602c25d9699d8fc030022cb1
Formbook
+ 4'800 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210419-2de3m3h83n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.detanglerinfo.com/tboh/
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/ecbd962b911092c413981ee5be8ed7a0e20fb0f6607568be7adaace5d3873368

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

zip e10dd323902c0fad7ec9c29fc010a3a25b675d067d514601946cfb49ee0057e9

Formbook

Executable exe ecbd962b911092c413981ee5be8ed7a0e20fb0f6607568be7adaace5d3873368

(this sample)

  
Dropped by
MD5 fd0e10fe40bb64e679c6a147ee774448
  
Dropped by
SHA256 e10dd323902c0fad7ec9c29fc010a3a25b675d067d514601946cfb49ee0057e9
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/138696/

Comments